Mtd 951-14024A Lawn & Garden Equipment Engine Huayi 178S & 178SA Carburetor Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; 478-SUB,952Z478-SUB,478-SU,247887910,Z478-SU,478-SUA This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including; 951-11193A,951-11193,751-11193 Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Mtd This carburetor (part number 951-14024A) is for lawn and garden equipment engines Wear work gloves to protect your hands and work in a well-ventilated area during this repair