ATP Parts 103120 Engine Timing Cover

Engine Timing Cover for GM V8 Applications

ATP Parts 103120 is an engine timing cover for a wide range of Chevrolet, GMC, Pontiac, and Oldsmobile applications. It helps protect the timing chain area and maintain proper lubrication, which is critical for long-term engine reliability.

Built as a direct replacement for original equipment, this ATP timing cover is made for vehicles with an 8" balancer and steel construction where specified. Part number 103120 is a practical choice for restoring a leaking or damaged front engine cover on classic GM trucks, vans, and passenger cars.

Key Features

• Direct replacement engine timing cover from ATP Parts
• Supports proper timing chain lubrication and protection
• OE-style fit and function for listed GM applications
• Steel construction on specified fitments
• Fits many Chevrolet, GMC, Pontiac, and Oldsmobile V8 vehicles
• Cross-references AMS Automotive 6504 and Pioneer Automotive Industries 500350S for the same application

Detailed Description

The timing cover is a critical sealing and protection component at the front of the engine. When the cover is corroded, warped, or damaged from over-tightening, oil leakage can occur and lead to serious engine damage. ATP Parts 103120 is engineered to match the original part’s fit and function, helping restore the front of the engine on applications such as Chevrolet C10, K5 Blazer, Camaro, GMC Jimmy, and Pontiac Firebird. This part number 103120 is also listed across numerous GM truck, van, and passenger car platforms from 1976 through 1996.

Common Problems This Part Can Address

• Front engine oil leaks from a damaged timing cover
• Corrosion or pitting on the original cover surface
• Warping or distortion from improper tightening
• Timing chain area contamination from poor sealing
• Wear-related loss of protection around the timing components

Installation Notes and Fitment

• Fits 1984-1996 Chevrolet G30, N/A, w/8" Balancer; Steel
• Fits 1988-1995 Chevrolet C1500, N/A, w/8" Balancer; Steel
• Fits 1992-1995 Chevrolet C1500 Suburban, N/A, w/8" Balancer; Steel
• Fits 1988-1995 Chevrolet C2500, N/A, w/8" Balancer; Steel
• Fits 1992-1995 Chevrolet C2500 Suburban, N/A, w/8" Balancer; Steel
• Fits 1988-1995 Chevrolet C3500, N/A, w/8" Balancer; Steel
• Fits 1987-1993 Chevrolet Caprice, N/A, w/8" Balancer; Steel
• Fits 1984-1995 Chevrolet Corvette, N/A, w/8" Balancer; Steel
• Fits 1984-1995 Chevrolet G20, N/A, w/8" Balancer; Steel
• Fits 1987-1992 Chevrolet Camaro, N/A, w/8" Balancer; Steel
• Fits 1988-1995 GMC K1500, N/A, w/8" Balancer; Steel
• Fits 1992-1995 GMC Yukon, N/A, w/8" Balancer; Steel
• Fits 1987-1992 Pontiac Firebird, N/A, w/8" Balancer; Steel

Verify engine configuration, balancer size, and cover style before installation. Clean the sealing surfaces thoroughly and inspect related front-engine components while the cover is removed.

Quality Assurance

ATP Parts manufactures replacement components to fit and function like the original part, with emphasis on durability and long service life in the listed GM applications.