【 Vehicle Fitment – Oil Pump Kit】This oil pump kit is compatible with the following Chevrolet models: Avalanche, Camaro, Colorado, Corvette, Silverado 2500/3500 HD/SS, Express 1500/2500/3500/4500, LCF 3500, SSR, Tahoe, Trailblazer, and Suburban 2500/3500 HD. It is also suitable for select Isuzu and Pontiac vehicles, including the Isuzu Ascender and Pontiac Firebird, Formula, G8, and GTO.
【Vehicle Fitment – Timing Chain Kit】This timing chain kit fits various GMC models, including Savana 2500/3500/4500, Sierra 1500 HD, Sierra 2500/3500, Yukon, and Yukon XL 1500/2500. Additional compatible vehicles include the Hummer H2, H3, and H3T, as well as the Buick Rainier and Cadillac CTS, Escalade ESV/EXT, and STS.
【Reference Numbers (OE and Interchange Part Numbers) 】Engine Compatibility: Designed for LS Series Gen 3 and Gen 4 V8 engines with displacements of 4.8L, 5.3L, 5.7L, and 6.0L, including LS1, LS2, LS3, L96, LM7, LR4, and LQ4 variants. Oil Pump OE/Interchange Numbers: M295HV, 12696357, 12586665 Timing Cover Gasket Set OE/Interchange Number: TCS45993, 12633904. Timing Chain Kit OE/Interchange Numbers: 12646386, 12576407, 12556582, 12588670
【Replacement Guidelines 】Indicators for replacing the timing chain kit include abnormal noises such as rattling or ticking, unstable engine idle speed, reduced engine acceleration performance, failure to start, or diagnostic trouble codes related to the timing system displayed by the ECU (Engine Control Unit).
【Purchase and After-Sales Information】Prior to purchase, please verify that your vehicle's make, model, year, and engine specifications match those listed above. Confirm compatibility using the provided OE or reference numbers to ensure proper fitment. Upon receiving the product, inspect all components for completeness and integrity. We are committed to delivering high-quality products and responsive customer support. Should you have any inquiries, please contact us; our team will respond within 24 hours.