Zcargel Engine Timing Chain Oil Pump Cover with Oil Pump, Replace OE 12601932 14235042, for Buick Rainier CXL 2004-2007, for Chevy Colorado 2004-2012 for GMC Canyon 2004-2012, for Hummer H3 2006-2010

Efficient oil circulation and engine sealing are critical for reliable performance, and this Engine Timing Chain Oil Pump Cover with Oil Pump delivers an OE-quality replacement for multiple GM vehicles. Designed to replace OE part numbers 12601932, 14235042, 635521, 12628565, and 12601930, the assembly restores proper lubrication pathways and protects the timing chain system from oil leaks and contamination.

Engineered for Buick Rainier CXL 2004-2007, for Chevy Colorado 2004-2012, for GMC Canyon 2004-2012, for Hummer H3 2006-2010, and for Isuzu Ascender 2003-2006, this component ensures dependable compatibility with original engine systems. Covering a wide range of trims including LS, SL, SLE, X, and Limited models, it provides versatile application across mid-size SUVs and trucks in the GM lineup.

The oil pump cover serves as a critical component within the timing chain housing. Its function is to maintain a sealed environment for engine oil circulation, channeling oil to lubricate the chain, gears, and moving parts. Over time, the factory cover may suffer from cracks, warping, or gasket failure, resulting in oil leaks, pressure loss, and compromised engine reliability. Replacing the worn unit with this robust aluminum assembly eliminates those issues and helps extend engine life.

Constructed from high-quality aluminum, the cover is built to withstand continuous heat exposure, high-pressure oil flow, and vibration. Corrosion resistance and structural integrity ensure the replacement part delivers long-lasting performance even under heavy load or extended driving conditions. This durability makes it a reliable choice for owners who require consistent engine protection in both daily driving and demanding environments.

Performance benefits include improved oil circulation, prevention of leaks, and restored lubrication efficiency. By maintaining proper oil delivery, the cover supports smooth engine operation, reduces wear on the timing chain, and prevents costly repairs caused by inadequate lubrication. With the included rubber ring gasket, the installation achieves a secure seal, reducing the risk of recurring leaks.

Installation is designed for ease and precision. Manufactured to match OE specifications, the cover aligns with factory mounting points, enabling direct bolt-on replacement. Professional installation is recommended for best results, but experienced DIY owners with mechanical knowledge can also complete the process with standard tools. The package includes both the cover and sealing ring, eliminating the need to source additional components.

Applications extend across multiple GM brands, making the part versatile for use in several vehicles. Owners of for Buick Rainier, for Chevy Colorado, for GMC Canyon, for Hummer H3, and for Isuzu Ascender can rely on this part for consistent performance and restored sealing. Its broad coverage also makes it an ideal choice for service centers maintaining a variety of GM trucks and SUVs.

Each unit undergoes quality inspection to meet or exceed OEM standards for fit, durability, and performance. Rigorous testing ensures that the aluminum housing, gasket integrity, and oil channeling function operate as intended. By choosing this replacement cover, drivers can restore confidence in their vehicle’s engine reliability.

Package Includes:
1 × Engine Timing Chain Oil Pump Cover
1 × Rubber Ring Gasket

Specifications:
Type: Engine Timing Chain Oil Pump Cover with Oil Pump
Material: Aluminum Housing with Rubber Seal
Placement: Engine Front, Timing Chain Area
Replace OE Numbers: 12601932, 14235042, 635521, 12628565, 12601930
Applications: for Buick Rainier CXL 2004-2007, for Chevy Colorado 2004-2012, for GMC Canyon 2004-2012, for Hummer H3 2006-2010, for Isuzu Ascender 2003-2006
Weight: 6.2 lbs (2.8 kg)