M295 Oil Pump + Timing Chain Gasket Kit | Fits GM LS V8 4.8L / 5.3L / 6.0L | Chevy Tahoe / Trailblazer / Suburban (2000–2014) | OEM# 12586665 / 12639249

M295 Oil Pump + Timing Chain Gasket Kit – GM LS V8

This OEM-style oil pump and timing chain gasket kit is designed for GM LS-series V8 engines. Ideal for high-RPM applications requiring improved oil pressure and cavitation resistance.

Key Features

• Oil pump type: M295 – standard pressure/volume
• Material: Forged steel with anti-corrosion coating
• Improved cavitation resistance above 6200 RPM
• Includes timing cover gasket and chain kit
• Direct-fit replacement – no machining required

Fitment Compatibility

• Chevrolet:
• Tahoe – 2000–2014
• Trailblazer – 2003–2009
• Suburban – 2000–2014
• Silverado 1500/2500/3500 – 1999–2015
• Camaro / Corvette / SSR / Express – 1998–2014
• GMC:
• Sierra / Savana / Yukon / Envoy – 1999–2015
• Cadillac:
• Escalade / CTS / STS – 2002–2014
• Others: Hummer H2/H3, Pontiac GTO, Buick Rainier, Isuzu Ascender
• Note: Only compatible with LS-based V8 engines (4.8L / 5.3L / 6.0L). Not suitable for AFM/DOD-equipped engines.

Replaces OEM Part Numbers

• Oil Pump: 12586665 / 12639249 / 89060436 / 12556582
• Gasket Kit: TCS45993 / 12633904

Package Includes

• 1 x M295 Oil Pump
• 1 x Timing Chain Kit
• 1 x Timing Cover Gasket Set
• 2 x Oil Pump Washers

Installation Notes

• Professional installation recommended
• Use torque specs per GM service manual
• Replace oil pan gasket if removed during install

Shipping & Warranty

• Free shipping within USA & Australia
• Estimated delivery: 3–8 business days
• 30-day return policy
• 2-year product guarantee