Timing Cover Gasket Set for 2000-2012 Silverado 1500 12633904 | Prevents oil seepage at front engine seal. Fits LS1-3/6 LQ4/9 LM7 L59 L76/77 LY6 L96

Replace Part Number: This gasket set offers a direct-fit replacement for OEM numbers 12633904, JV5022, 45993, TCS45993, JV5158 and TCS10448. It's manufactured to meet original equipment specifications, ensuring precise fitment and reliable sealing performance for your LS engine. Cross-reference this number with your existing gasket to confirm compatibility before ordering. Precision Engineered for the LS Engine Family: Compatible with Chevy GM V8 engines, including the 4.8L/ 5.3L/ 5.7L/ 6.0L/ 6.2L and LR4 L94 LS1 LS2 LQ4 LS3 LQ9 LS6 LM7 L59 LY6 L92 L76 L77 L96 Gen III, IV, and V engines. Compatible with 1997-2020 Chevy Express, Avalanche, Silverado, Suburban/ GMC Yukon Sierra/ Cadillac Escalade and more. Premium Composite Construction: Unlike cheap rubber gaskets that compress and fail over time, this gasket features a high-quality composite core that maintains its shape and sealing integrity under extreme heat and pressure cycles. The material resists blowout, and thermal breakdown for long-lasting leak-free performance. Seals Imperfect Surfaces: Engine timing cover surfaces often develop minor warping or scoring over years of heat cycling. This gasket's composite formulation provides the flexibility and conformability needed to seal slightly imperfect mating surfaces, eliminating the oil seepage that plagues aging LS engines at the front cover junction. Simple Installation: Manufactured in accordance with or exceeding the OE standards for easy installation. Our kit includes 1 pcs Timing Chain Cover Gasket

1pcs Front Main Crank Seal

4pcs O-Rings and 4 pcs Water Pump Gaskets. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom’s policies and EU Product Safety and Compliance laws.

Manufacturer: ‎Suno Powe Brand: ‎Suno Power Item Weight: ‎5 ounces Package Dimensions: ‎13.78 x 11.65 x 0.75 inches Exterior: ‎Milled Manufacturer Part Number: ‎SUNO-12633904 OEM Part Number: ‎12633904, JV5022, 45993, TCS45993, JV5158, TCS10448 Position: ‎Front Date First Available: March 11, 2026