Campbell Hausfeld ST085200AV Air Compressor Compression Nut Seal Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; 106170341,106170340,106174541,106174540,106175991,106175990,WL660301,WL660300,106154380,106154381,WL602303,WL650100,106154781,WL602304,106154542,WL650901,WL503502,106150340,106152880,106171942,VT618903,WL503501,106171941,106174550,106174671,106175881,106174670,106175880,WL605301,WL605302,106154671,VT630600,VT632900,WL651600,106170121,106170640,WL660200,106173990,VT630400,VT622502,WL604701,WL650000,106154681,WL503805,WL650802,106153993,WL650801 This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including; ST067300AV,ST-0673,ST-673,STD-673,ST-0673,ST-673,ST067300AV,STD-673 Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Campbell Hausfeld This compression nut seal (part number ST085200AV) is for air compressors Unplug the air compressor and bleed air from the tank before installing this part