Product function description: NOTE: Installation Manual Is NOT Included Professional Installation Is Highly Recommended Description: This is part of the entire lubrication system, not an assembly. It is mainly used to adapt the engine and distribute the oil in the oil pan to other lubrication systems through the booster pump. Features: · 100% brand new and high quality, Durable. · Improvements to your car engine · Made from excellent quality materials and manufactured to the highest quality specifications · Application-specific design ensures correct fitment. Installation Manual Is NOT Included. Professional Installation Is Highly Recommended. This is part of the entire lubrication system, not an assembly. · 100% brand new and high quality, Durable. · Improvements to your car engine. · Made from excellent quality materials and manufactured to the highest quality specifications. · Application-specific design ensures correct fitment. Fits (For the reference). 2004 Rainier (submodel: CXL, CXL Plus). 2006 Express 2500 LT. 2004,2006 Silverado 1500 WT. 2004 Silverado 1500 (submodel: Hybrid, Z71). 2007 Silverado 1500 Classic Hybrid Engine VIN: T, ELECTRIC/GAS. 2007 Silverado 1500 Classic LS. 2007 Silverado 1500 Classic LT. 2007 Silverado 1500 Classic WT. 2006 Suburban 1500 Base. 2003 Tahoe Z71 Engine Vin: Z, FLEX. 2004 Trailblazer EXT (submodel: LS, LT, North Face). 2004 Envoy XL (submodel: SLE, SLT). 2004 Envoy XUV (submodel: SLE, SLT). 2002 Sierra 1500 HT Engine Vin: Z, FLEX. 2006 Sierra 1500 Hybrid Engine VIN: T, ELECTRIC/GAS. 2006 Sierra 1500 SL. 2006 Sierra 1500 SLT Engine Vin: T, GAS. 2007 Sierra 1500 Classic Hybrid Engine VIN: T, ELECTRIC/GAS. 2007 Sierra 1500 Classic SL. 2007 Sierra 1500 Classic SLE. 2007 Sierra 1500 Classic SLT Engine Vin: T, GAS. 2007 Sierra 1500 Classic WT. 2006 Yukon XL 1500 SL. 2004 Ascender (submodel: Limited, LS). · 1Engine Gasket Set. Feedback is very important to us. It is impossible to address issues if we do not know about them! Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday.