Product Description
Gen V Rear Engine Cover with Main Seal – Genuine GM 12705663
Fits 2014–2023 LT Truck & SUV Engines | L83 L86 L82 L84 L87 – 5.3L & 6.2L
This Genuine GM Gen V Rear Engine Cover Assembly provides a complete factory-sealed solution for LT-based truck and SUV engines. Designed for 2014–2023 5.3L and 6.2L applications, this rear cover includes the pre-installed rear main seal, oil galley seal, and required bolts for a clean, reliable installation. Perfect for engine rebuilds, repairs, or high-mileage refreshes, this OEM replacement ensures proper crankshaft sealing and long-term durability. Built to factory specifications, it restores original performance and prevents oil leaks commonly found in worn or damaged covers.
Key Features
- Genuine GM Quality: OEM rear cover assembly (GM #12705663) engineered to meet factory fitment, reliability, and sealing standards for Gen V LT engines.
- Complete Kit Included: Comes with the rear engine cover, pre-installed rear main seal, cover bolts, and oil galley seal for a full and proper installation.
- Engineered for LT Trucks/SUVs: Direct replacement for 5.3L and 6.2L Gen V engines such as L83, L86, L82, L84, and L87 found exclusively in truck and SUV platforms.
- Restores Proper Sealing: Ensures crankshaft and rear cover sealing integrity, preventing leaks and safeguarding long-term engine performance.
- Direct Replacement Fit: Installs with factory alignment and bolt patterns; eliminates the guesswork when servicing or rebuilding Gen V LT engines.
Key Fitments
- Engines: L83, L86, L82, L84, L87 — 5.3L & 6.2L Gen V LT Truck/SUV Engines (2014–2023)
- Platforms: Chevrolet Silverado & Suburban; GMC Sierra & Yukon; other GM truck/SUV models equipped with 5.3L/6.2L Gen V LT engines.
- Notes: For truck/SUV engines only. Not for LT1/LT4 car engines—use GM #12705665 for passenger car applications.
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LT Rear Cover
Came package very well. Shipping was fast.