Specifications High-concerned chemical:None Origin:Mainland China Type:Pump Unloader MPN:187879GS Model:For Briggs & Stratton 187879GS Compatible Model:For Briggs & Stratton 187879GS 187879GS Unloader Kit For Briggs & Stratton Troy-Bilt Generac Craftsman Brute Fit For Following Models: For BS 187879GS Used on Earlier Style Small Frame Pumps For BS Generac 187879GS Pressure Washer Pump Unloader Kit BS 1440-0 2,400 PSI Pressure Washer 1550-0 2,300 PSI Pressure Washer 1579-0 2,300 PSI Pressure Washer 1580-0 3,000 PSI Pressure Washer 1676-1 2,700 PSI Pressure Washer 1581-0 3,500 PSI Pressure Washer 1587-0 2,400 PSI Pressure Washer 0763-0 1,750 PSI Pressure Washer 0763-1 1,750 PSI Pressure Washer 0778-0 1,500 PSI Pressure Washer 0778-1 1,500 PSI Pressure Washer 0790-2 1,650 PSI Pressure Washer 1052-0 1,800 PSI Pressure Washer 1067-0 1,500 PSI Pressure Washer 1120-0 1,750 PSI Pressure Washer 1139-0 1,800 PSI Pressure Washer 1171-0 1,500 PSI Pressure Washer 1195-0 1,800 PSI Pressure Washer 1418-0 3,000 PSI Pressure Washer 1439-0 2,100 PSI Pressure Washer 1441-0 2,600 PSI Pressure Washer 1450-0 2,400 PSI Pressure Washer 1456-0 2,400 PSI Pressure Washer 1467-1 1,700 PSI Pressure Washer 1467-2 1,700 PSI Pressure Washer 1467-3 1,700 PSI Pressure Washer 1536-0 2,100 PSI Pressure Washer 1536-1 2,100 PSI Pressure Washer 1537-0 2,400 PSI Pressure Washer 1537-1 2,400 PSI Pressure Washer 1538-0 2,500 PSI Pressure Washer 1538-1 2,500 PSI Pressure Washer also used on specific Troy-Bilt , Generac, Craftsman & Brute Pressure Washers Package Includes: Include all Parts in the first picture. Feel free contact us if any missing!!!