Fel-Pro 61178 Fuel Injection Throttle Body Mounting Gasket

Reliable Fuel Injection Throttle Body Mounting Gasket

The Fel-Pro 61178 Fuel Injection Throttle Body Mounting Gasket is engineered to provide a precise seal for your Chevrolet and GMC heavy-duty trucks and vans. Designed with premium composite material, this gasket ensures durability and consistent performance under demanding conditions.

• Constructed from premium composite material for enhanced sealing
• Inside diameter of 3.031 inches (76.9 mm) for accurate fitment
• Three bolt holes for secure mounting
• Outside diameter measures approximately 4.818 x 4.806 inches
• Thickness options of 0.042 inches (1.0 mm) to maintain proper throttle body spacing

Durable Composite Material and Precise Dimensions

This Fel-Pro fuel injection throttle body mounting gasket (part number 61178) features a composite construction designed to withstand heat and pressure typical of fuel delivery systems. The gasket’s inside diameter of 3.031 inches (76.9 mm) matches throttle body openings on compatible Chevrolet and GMC models, ensuring a tight seal that prevents air and fuel leaks. With three bolt holes, it aligns perfectly for secure installation. The outside diameter of approximately 4.818 by 4.806 inches and thickness of 0.042 inches (1.0 mm) help maintain proper throttle body positioning and prevent gasket failure over time.

Compatible With Chevrolet and GMC Heavy-Duty Models

This gasket is compatible with a range of Chevrolet and GMC vehicles, including Avalanche 2500, C2500, C2500 Suburban, C3500, Express 3500, G30, K2500, K2500 Suburban, K3500, P30, P3500, Savana 3500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, Suburban 2500, and Yukon XL 2500. This ensures proper fitment for many heavy-duty trucks and vans requiring a reliable throttle body gasket.

Common Applications and Issues Addressed

• Prevents vacuum leaks that can cause rough idle or poor engine performance
• Seals throttle body to intake manifold to avoid fuel and air mixture inconsistencies
• Eliminates potential throttle body mounting gasket leaks that lead to check engine light codes
• Maintains proper throttle body alignment to ensure smooth throttle response
• Helps prevent contamination of the fuel injection system from external debris

Installation Notes and Tips

• Ensure mating surfaces are clean and free of old gasket material before installation
• Use proper torque specifications for the three mounting bolts to avoid gasket distortion
• Inspect throttle body and intake manifold surfaces for damage or warping prior to gasket installation
• Replace gasket immediately if any signs of wear or damage are present to maintain system integrity

Quality Assurance and Warranty

Fel-Pro gaskets are manufactured to meet strict quality standards for durability and fitment. The 61178 Fuel Injection Throttle Body Mounting Gasket is backed by Fel-Pro’s commitment to quality, providing reliable sealing performance for Chevrolet and GMC heavy-duty vehicles. Warranty coverage details are available through Fel-Pro and typically cover defects in material and workmanship.