Query: 97 explorer thermostat housing

title: Thermostat Housing Sensor Water Outlet Replacement for 1997-2001 Ford Explorer 1998-2001 Mountaineer 4.0L V6
text: Product Description Read more Replace OE Part Number: ‎YU3Z-8A586-AA, YU3Z 8A586, YU3Z 8A586 AA 902204, 902-204 , YU3Z8A586AA OEM standard fit and performance, not genuine. All auto parts undergo a rigorous inspection to ensure high quality and reliability under extreme conditions. Features: Strict quality control standards Easy installation,direct replacement High sealing,high performance High-quality materials, more durable Package Includes: 1 x Thermostat with Housing Assembly ( The components include: 1 thermostat,2 sensors,1 housing,1 sealing ring ) Fitment: Replacement for 1997-2001 Ford Explorer Eddie Bauer/Limited 4-Door 4.0L V6 Replacement for 2000-2001 Ford Explorer Postal Stripped Chassis 4.0L V6 Replacement for 1997-2001 Ford Explorer Sport 2-Door 4.0L V6 Replacement for 1999-2000 Ford Explorer Sport 4-Door 4.0L V6 Replacement for 2000-2001 Ford Explorer XL Fleet 4-Door 4.0L V6 Replacement for 1997-1998 Ford Explorer XL 2-Door 4.0L V6 Replacement for 1997-1999 Ford Explorer XL 4-Door 4.0L V6 Replacement for 1999-2001 Ford Explorer XLS/XLT 4-Door 4.0L V6 Replacement for 1998-2001 Mercury Mountaineer Base 4-Door 4.0L V6 Read more Built to strict quality control standards to ensure durability and resistance. It provides consistent valve response for smooth performance and precise engine cooling. High strength plastic housing withstands the extreme changes in temperature. Precise sealing edges reduce leakage and premature cooling Thermostat controls the temperature levels depending on the vehicle's driving conditions/ load,Fix the check engine light issue and no engine hiccups problem and engine overheating or over-cooling problem. 

title: BOXI 902-204 Thermostat Housing with 2 Sensors Kit Assembly with Gasket Compatible with 1997 1998 1999 2000 2001 Ford Explorer / 1998 1999 2000 2001 Mercury Mountaineer 4.0L V6 (Replace YU3Z8A586AA)
text: Product Description BOXI is a leading manufacturer of high-quality Auto parts. The company has providing improved technology and outstanding performance solutions for domestic passenger cars, SUVs, trucks. BOXI offers a wide range of revolutionary products. Each product is tested to perform as well as the original units and in many cases to exceed the manufactures specification. Items will be shipped same day or by next business day (unless otherwise noted), depending on the time of day the sale closes. Depending on the item(s) you purchase and the location to which the items will be delivered, different shipping methods are available. Product description FITS THE FOLLOWING VEHICLES 1997-2001 FORD EXPLORER EDDIE BAUER SPORT UTILITY 4-DOOR 1997-2001 FORD EXPLORER LIMITED SPORT UTILITY 4-DOOR 2000-2001 FORD EXPLORER POSTAL STRIPPED CHASSIS 1997-2001 FORD EXPLORER SPORT SPORT UTILITY 2-DOOR 1998-2000 FORD EXPLORER SPORT SPORT UTILITY 4-DOOR 2000-2001 FORD EXPLORER XL FLEET SPORT UTILITY 4-DOOR 1997-1998 FORD EXPLORER XL SPORT UTILITY 2-DOOR 1997-1999 FORD EXPLORER XL SPORT UTILITY 4-DOOR 1999-2001 FORD EXPLORER XLS SPORT UTILITY 4-DOOR 1997-2001 FORD EXPLORER XLT SPORT UTILITY 4-DOOR 1998-2001 MERCURY MOUNTAINEER BASE SPORT UTILITY 4-DOOR 

title: Dorman 902-1012 Engine Coolant Thermostat Housing Compatible with Select Ford Models
text: Product Description This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Ford Explorer: 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001] - [Ford Ranger: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000] Product Description This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Ford Explorer: 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001] - [Ford Ranger: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000]From the brand Previous page Dorman gives repair professionals and vehicle owners greater freedom to fix cars and trucks. For over 100 years, we have been driving new solutions for the motor vehicle aftermarket, releasing tens of thousands of replacement products engineered to save time and money, and increase convenience and reliability. Innovative Repair Solutions Visit the Store How did we get our start? Our story began with the first mass market automobile. We were one of the first companies to deliver replacement products for the automotive aftermarket, and we remain at the forefront today. Why do we love what we do? People's lives and livelihoods depend upon cars and trucks. We give people greater freedom to fix these vehicles by putting owners and installers first. What products do we make? We deliver an always-evolving catalog of parts, covering light-, medium-, and heavy-duty vehicles, from chassis to body, underhood to undercar, and hardware to complex electronics. Next page From the manufacturer Dorman is a leading auto parts manufacturer founded in the United States and headquartered in Colmar, Pennsylvania. Read more Our story began with the first mass market automobile. We were one of the first companies to deliver replacement products for the automotive aftermarket, and we remain at the forefront today. Read more We give repair professionals and vehicle owners greater freedom to fix cars and trucks by focusing on solutions that save time and money and increase convenience and reliability. Read more Our team is constantly looking for problems to solve and turning them into new product ideas. Some solutions, like our OE FIX products, you can't even get from original vehicle manufacturers. Read more We offer an always-evolving catalog of parts, covering both light duty and heavy duty vehicles, from chassis to body, from underhood to undercar, and from hardware to complex electronics. Read more 

title: 902-204 85671 Well Auto Thermostat Housing W/thermostat 2 sensors and gasket 97-01 Explorer 4door 4.0L 6cyl 01 Ranger 4.0L 98-00 Mountaineer 4.0L
text: Product Description Well Auto Thermostat Housing W/thermostat 2 sensors and gasket 97-01 Explorer 4door 4.0L 6cyl 01 Ranger 4.0L 98-00 Mountaineer 4.0L Product Description Well Auto Thermostat Housing W/thermostat 2 sensors and gasket 97-01 Explorer 4door 4.0L 6cyl 01 Ranger 4.0L 98-00 Mountaineer 4.0L

title: Dorman 902-844 Thermostat Housing Assembly, Black
text: Product Description This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life. Vehicle model years this part fits (be sure to check your vehicle trim using the Amazon garage) - [Ford Explorer Sport Trac: 2001] - [Ford Explorer Sport: 2001] - [Ford Explorer: 1997, 1998, 1999, 2000, 2001] - [Ford Ranger: 2001] - [Mercury Mountaineer: 1998, 1999, 2000, 2001] Product Description This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life. Vehicle model years this part fits (be sure to check your vehicle trim using the Amazon garage) - [Ford Explorer Sport Trac: 2001] - [Ford Explorer Sport: 2001] - [Ford Explorer: 1997, 1998, 1999, 2000, 2001] - [Ford Ranger: 2001] - [Mercury Mountaineer: 1998, 1999, 2000, 2001]From the brand Previous page Dorman gives repair professionals and vehicle owners greater freedom to fix cars and trucks. For over 100 years, we have been driving new solutions for the motor vehicle aftermarket, releasing tens of thousands of replacement products engineered to save time and money, and increase convenience and reliability. Innovative Repair Solutions Visit the Store How did we get our start? Our story began with the first mass market automobile. We were one of the first companies to deliver replacement products for the automotive aftermarket, and we remain at the forefront today. Why do we love what we do? People's lives and livelihoods depend upon cars and trucks. We give people greater freedom to fix these vehicles by putting owners and installers first. What products do we make? We deliver an always-evolving catalog of parts, covering light-, medium-, and heavy-duty vehicles, from chassis to body, underhood to undercar, and hardware to complex electronics. Next page From the manufacturer Dorman is a leading auto parts manufacturer founded in the United States and headquartered in Colmar, Pennsylvania. Read more Our story began with the first mass market automobile. We were one of the first companies to deliver replacement products for the automotive aftermarket, and we remain at the forefront today. Read more We give repair professionals and vehicle owners greater freedom to fix cars and trucks by focusing on solutions that save time and money and increase convenience and reliability. Read more Our team is constantly looking for problems to solve and turning them into new product ideas. Some solutions, like our OE FIX products, you can't even get from original vehicle manufacturers. Read more We offer an always-evolving catalog of parts, covering both light duty and heavy duty vehicles, from chassis to body, from underhood to undercar, and from hardware to complex electronics. Read more 

title: Stant-45356 Superstat Premium Thermostat, Stainless Steel
text: Product Description Premium Superstat thermostat. Uses high venturi for maximum cooling capacity during high temperature, high load oepration. 25% larger piston in diameter that delivers 1 1/2 the power of standard thermostats. Stanless steel flange is burnished to a bright finish for stress relief and added corrosion resistance. Thicker flange. Product Description Premium Superstat thermostat. Uses high venturi for maximum cooling capacity during high temperature, high load oepration. 25% larger piston in diameter that delivers 1 1/2 the power of standard thermostats. Stanless steel flange is burnished to a bright finish for stress relief and added corrosion resistance. Thicker flange.From the manufacturer Read more Read more Read more 

title: Superstat ® Premium Thermostat
text: Product Description Premium Superstat thermostat. Uses high venturi for maximum cooling capacity during high temperature, high load oepration. 25% larger piston in diameter that delivers 1 1/2 the power of standard thermostats. Stanless steel flange is burnished to a bright finish for stress relief and added corrosion resistance. Thicker flange. Product Description Premium Superstat thermostat. Uses high venturi for maximum cooling capacity during high temperature, high load oepration. 25% larger piston in diameter that delivers 1 1/2 the power of standard thermostats. Stanless steel flange is burnished to a bright finish for stress relief and added corrosion resistance. Thicker flange.From the manufacturer Read more Read more Read more 

title: TOPAZ YU3Z-8A586-AA Thermostat + 2 Sensors with Housing Compatible with Ford Explorer Mercury Mountaineer 4.0L V6
text: Product Description TOPAZ is a Brand of Aftermarket Automotive Thermo-part Professional, Providing the Total Solution for Aftermarket Replacement from Engines Thermo Managements System to Air Condition. Products Mainly Concentrating German Cars. TOPAZ Will Make Continuous Efforts to Provide High Quality Products and Services to Our Customers. Compatible with: 2005-2017 Ford Escape 2005-2011 Ford Focus 2006-2017 Ford Fusion 2001-2011 Ford Ranger 2014-2017 Ford Transit Connect 2011-2012 Lincoln MKZ 2007-2013 Mazda 3 2010-2015 Mazda 5 2004-2008 Mazda 6 2010-2013 Mazda 3 Sport GT 2001-2009 Mazda B2300 2007-2012 Mazda CX-7 2006 Mazda MX-5 Miata 2008-2011 Mazda Tribute 2006-2011 Mercury Mariner 2006-2011 Mercury Milan Specification: This is Not Genuine Auto Part . This is Aftermarket Part Manufactured by TOPAZ, Exceeds the Original Design, and Carries a 12 Month Warranty Please Use the VIN to Obtain the Original Part (OE) No. to Make Sure This is The Right Part for Your Vehicle. OE Number Provided in This Listing is 100% Correct If in Doubt, Please Send Us Your VIN, We Will Check it for You. Plz Make Sure Parts Purchased Here are the RIGHT Parts Warranty: This item is covered by our 12 months unlimited mileage warranty. 1 - 3 Months 100% Refund or Replacement 4 - 12 Months 90%-10% Refund Over 12 Months Not refund Package Included: 1 x Thermostat Product Description TOPAZ is a Brand of Aftermarket Automotive Thermo-part Professional, Providing the Total Solution for Aftermarket Replacement from Engines Thermo Managements System to Air Condition. Products Mainly Concentrating German Cars. TOPAZ Will Make Continuous Efforts to Provide High Quality Products and Services to Our Customers. Compatible with: 2005-2017 Ford Escape 2005-2011 Ford Focus 2006-2017 Ford Fusion 2001-2011 Ford Ranger 2014-2017 Ford Transit Connect 2011-2012 Lincoln MKZ 2007-2013 Mazda 3 2010-2015 Mazda 5 2004-2008 Mazda 6 2010-2013 Mazda 3 Sport GT 2001-2009 Mazda B2300 2007-2012 Mazda CX-7 2006 Mazda MX-5 Miata 2008-2011 Mazda Tribute 2006-2011 Mercury Mariner 2006-2011 Mercury Milan Specification: This is Not Genuine Auto Part . This is Aftermarket Part Manufactured by TOPAZ, Exceeds the Original Design, and Carries a 12 Month Warranty Please Use the VIN to Obtain the Original Part (OE) No. to Make Sure This is The Right Part for Your Vehicle. OE Number Provided in This Listing is 100% Correct If in Doubt, Please Send Us Your VIN, We Will Check it for You. Plz Make Sure Parts Purchased Here are the RIGHT Parts Warranty: This item is covered by our 12 months unlimited mileage warranty. 1 - 3 Months 100% Refund or Replacement 4 - 12 Months 90%-10% Refund Over 12 Months Not refund Package Included: 1 x Thermostat

title: Stant 25150 Thermostat Gasket
text: Product Description Stant's STAT LOK adhesive-backed thermostat gaskets cut installation time by as much as 50%. The adhesive backing holds the thermostat securely centered in the counter bore, leaving both hands free to align and bolt down the outlet casting. No sticky, toxic gasket cement is required. With a knuckle-saving Stant Stat Lok gasket holding the thermostat in place, the thermostat won't drop out or become misaligned and cause the mounting flange of the outlet casting to crack. Stant is a world leader in the development and manufacture of fuel and cooling system products. Founded in Connersville, Indiana by George Stant in 1898, today the company is still based in Connersville, but is now owned by HIG Capital LLC. Stant designs and produces a variety of consumer products including thermostats, radiator and coolant reservoir caps, original equipment style and locking fuel caps, oil fill caps, pressure testers and adapters, and fuel cap testers and adapters. Stant also offers products for heavy-duty vehicles, and farm and construction equipment, and makes parts for vehicle and equipment manufacturers. The company's extensive background in the research and development of cooling and fuel management systems and expertise in designing steel, molded plastic, and rubber components, along with its ability to build assembly and testing equipment in-house enables Stant to move products seamlessly from concept to production. The majority of Stant consumer products are manufactured in the USA in TS16949/ISO14001 certified facilities. Product Description Stant's STAT LOK adhesive-backed thermostat gaskets cut installation time by as much as 50%. The adhesive backing holds the thermostat securely centered in the counter bore, leaving both hands free to align and bolt down the outlet casting. No sticky, toxic gasket cement is required. With a knuckle-saving Stant Stat Lok gasket holding the thermostat in place, the thermostat won't drop out or become misaligned and cause the mounting flange of the outlet casting to crack. Stant is a world leader in the development and manufacture of fuel and cooling system products. Founded in Connersville, Indiana by George Stant in 1898, today the company is still based in Connersville, but is now owned by HIG Capital LLC. Stant designs and produces a variety of consumer products including thermostats, radiator and coolant reservoir caps, original equipment style and locking fuel caps, oil fill caps, pressure testers and adapters, and fuel cap testers and adapters. Stant also offers products for heavy-duty vehicles, and farm and construction equipment, and makes parts for vehicle and equipment manufacturers. The company's extensive background in the research and development of cooling and fuel management systems and expertise in designing steel, molded plastic, and rubber components, along with its ability to build assembly and testing equipment in-house enables Stant to move products seamlessly from concept to production. The majority of Stant consumer products are manufactured in the USA in TS16949/ISO14001 certified facilities.

title: Motorcraft RG605 Engine Coolant Thermostat Housing Gasket
text: Product Description Motorcraft Engine Coolant Thermostats Housing Gaskets are designed and tested to meet OE requirements for durability and reliability under extreme conditions. These gaskets prevent leakage between two objects under compression. They allow less precise mating surface on machines ensuring lasting durability. Product Description Motorcraft Engine Coolant Thermostats Housing Gaskets are designed and tested to meet OE requirements for durability and reliability under extreme conditions. These gaskets prevent leakage between two objects under compression. They allow less precise mating surface on machines ensuring lasting durability.

title: MotoRad 7244-192 Fail-Safe Thermostat
text: Product Description Fail-Safe Thermostats offer premium, patented technology for superior protection over any thermostat on the market. Only Fail-Safe is designed to lock in the open position when overheating occurs due to a failing cooling system component. This allows maximum coolant flow, thus preventing expensive engine damage. Product Description Fail-Safe Thermostats offer premium, patented technology for superior protection over any thermostat on the market. Only Fail-Safe is designed to lock in the open position when overheating occurs due to a failing cooling system component. This allows maximum coolant flow, thus preventing expensive engine damage.From the manufacturer Read more Read more Read more Read more 

title: Motorcraft KM3269 Bypass Hose
text: Product Description Motorcraft Bypass Hoses are designed and tested to meet OE requirements for durability and reliability under extreme conditions. These hoseare built to maximize the performance are made from high-quality materials ensuring lasting durability. They offer high resistance which enhances the hose life. Product Description Motorcraft Bypass Hoses are designed and tested to meet OE requirements for durability and reliability under extreme conditions. These hoseare built to maximize the performance are made from high-quality materials ensuring lasting durability. They offer high resistance which enhances the hose life.

title: Gates 33633 Engine Coolant Thermostat Gasket
text: Product Description Gates adhesive-backed Thermostat Gaskets simplify the process of aligning the thermostat gasket with the thermostat housing, ensuring a leak-free fitment of the thermostats so the job is done the right way, the first time. Product Description Gates adhesive-backed Thermostat Gaskets simplify the process of aligning the thermostat gasket with the thermostat housing, ensuring a leak-free fitment of the thermostats so the job is done the right way, the first time.From the manufacturer Read more Gates Protect The Ride - The Importance of Cooling System Maintenance Gates integrated thermostat housings ensure accurate temperature regulation and control to help engines operate more efficiently. As more vehicles are equipped with integrated thermostat housings, Gates research and development is leading the industry in aftermarket thermostat solutions to provide the best quality. Gates Modular Coolant Hose is manufactured to fit specific applications and are similar to OEM specifications to include specific essential integrated OE components such as hose branches, quick-connectors, sensors, restrictors, etc. Gates Water Pumps are recognized in the industry for their durability, superior quality and are manufactured for the specifc operations for your vehicle. Every Gates high-quality new water pump is constructed with premium alloy materials and a 100 percent functional test of seals and bearings along with a 100 percent leakage test for both the casting and assembled water pump. Read more Other Products From Gates Don't forget the fan pulley brackets Replacing a defective fan clutch or fan blades? These parts create excessive vibrations and imbalance when they are failing, stressing the fan pulley bracket. Failing to inspect and replace the fan pulley bracket could result in costly repairs. Gates’ OE Exact Fan Pulley Brackets provide the perfect solution. OE quality replacements ensure an exact fit for a hassle-free installation and provide the proper structure and support needed for the fan clutch and fan blade. Problem with the electric cooling fan? Are the electric engine or air conditioning cooling fans not working properly or failing to turn on? The problem could be a defective engine cooling fan module. Gates’ new line of Engine Cooling Fan Modules and Solution Kits provides the perfect solution. These OE quality parts ensure an exact fit and easy installation while effectively restoring the cooling system to proper operation and performance. Perform a difficult repair more confidently with superior parts. Replacing heater hose assemblies can be complicated. When you’re going to invest the time to do it right, make sure you don’t compomise the job with parts that don’t measure up. Some aftermarket replacement parts are made with inferior construction and inconsistent crimping. Gates hose assemblies are manufactured with heavy-gauge steel tubing, tough welds and OE exact hose material for high resistance to failure from corrosion, rust and vibration. Everything you need for a complete repair is included in one assembly – and fit, form and function are identical to the original. Your source for High performance outlets Gates Coolant Outlets provide an improved and cost-effective answer to common design, manufacturing and material issues found in other aftermarket options. Trust Gates OE Exact and OE Performance coolant outlets for high-performance and reliable result. The Gates Coolant Outlet line features all-in-one solutions, simple bolt-on solutions, easy, one-step installation and require no special tools. Read more Read more 

title: Gates 33078 OE Type Engine Coolant Thermostat
text: Product Description Quality controlled factory calibration assures accuracy of opening and closing, regardless of pressure changes Product Description Quality controlled factory calibration assures accuracy of opening and closing, regardless of pressure changesFrom the manufacturer Read more Gates Protect The Ride - The Importance of Cooling System Maintenance Gates integrated thermostat housings ensure accurate temperature regulation and control to help engines operate more efficiently. As more vehicles are equipped with integrated thermostat housings, Gates research and development is leading the industry in aftermarket thermostat solutions to provide the best quality. Gates Modular Coolant Hose is manufactured to fit specific applications and are similar to OEM specifications to include specific essential integrated OE components such as hose branches, quick-connectors, sensors, restrictors, etc. Gates Water Pumps are recognized in the industry for their durability, superior quality and are manufactured for the specifc operations for your vehicle. Every Gates high-quality new water pump is constructed with premium alloy materials and a 100 percent functional test of seals and bearings along with a 100 percent leakage test for both the casting and assembled water pump. Read more Other Products From Gates Don't forget the fan pulley brackets Replacing a defective fan clutch or fan blades? These parts create excessive vibrations and imbalance when they are failing, stressing the fan pulley bracket. Failing to inspect and replace the fan pulley bracket could result in costly repairs. Gates’ OE Exact Fan Pulley Brackets provide the perfect solution. OE quality replacements ensure an exact fit for a hassle-free installation and provide the proper structure and support needed for the fan clutch and fan blade. Problem with the electric cooling fan? Are the electric engine or air conditioning cooling fans not working properly or failing to turn on? The problem could be a defective engine cooling fan module. Gates’ new line of Engine Cooling Fan Modules and Solution Kits provides the perfect solution. These OE quality parts ensure an exact fit and easy installation while effectively restoring the cooling system to proper operation and performance. Perform a difficult repair more confidently with superior parts. Replacing heater hose assemblies can be complicated. When you’re going to invest the time to do it right, make sure you don’t compomise the job with parts that don’t measure up. Some aftermarket replacement parts are made with inferior construction and inconsistent crimping. Gates hose assemblies are manufactured with heavy-gauge steel tubing, tough welds and OE exact hose material for high resistance to failure from corrosion, rust and vibration. Everything you need for a complete repair is included in one assembly – and fit, form and function are identical to the original. Your source for High performance outlets Gates Coolant Outlets provide an improved and cost-effective answer to common design, manufacturing and material issues found in other aftermarket options. Trust Gates OE Exact and OE Performance coolant outlets for high-performance and reliable result. The Gates Coolant Outlet line features all-in-one solutions, simple bolt-on solutions, easy, one-step installation and require no special tools. Read more Read more 

title: FEL-PRO 35440 Water Outlet Gasket
text: Product Description FelPro gaskets offer 100% vehicle sealing with applicationspecific materials to give you sealing solutions with the performance and durability professionals trust Product Description FelPro gaskets offer 100% vehicle sealing with applicationspecific materials to give you sealing solutions with the performance and durability professionals trust

title: Superstat ® Premium Thermostat
text: Product Description Premium Superstat Thermostat. Uses High Venturi For Maximum Cooling Capacity During High Temperature, High Load Oepration. 25% Larger Piston In Diameter That Delivers 1 1/2 The Power Of Standard Thermostats. Stanless Steel Flange Is Burnished To A Bright Finish For Stress Relief And Added Corrosion Resistance. Thicker Flange. Product Description Premium Superstat Thermostat. Uses High Venturi For Maximum Cooling Capacity During High Temperature, High Load Oepration. 25% Larger Piston In Diameter That Delivers 1 1/2 The Power Of Standard Thermostats. Stanless Steel Flange Is Burnished To A Bright Finish For Stress Relief And Added Corrosion Resistance. Thicker Flange.From the manufacturer Read more Read more Read more