Federal Mogul FP5131961 Valve Guide 4-Valve Head Heavy Duty Engine

The Federal Mogul FP5131961 is a replacement valve guide engineered for 4-valve head (4V H) commercial diesel engine applications. Manufactured under the trusted FP Diesel brand — Federal Mogul's heavy-duty engine repair line — this valve guide is designed to restore proper valve stem alignment, maintain critical stem-to-guide clearance, and ensure long-lasting sealing performance in demanding commercial engine environments.

Key Features:

• Designed specifically for 4-valve head (4V H) engine configurations
• Manufactured to OE specifications for precise fit and function
• Engineered for superior wear resistance and thermal conductivity to manage heat transfer from the valve stem to the cylinder head
• Produced using advanced metallurgy for extended durability under high-temperature, high-cycle operating conditions
• Fully finished to minimize additional machining during installation
• Part of Federal Mogul's comprehensive FP Diesel heavy-duty engine repair portfolio

As the primary heat transfer path between the valve stem and cylinder head, the valve guide plays a critical role in engine longevity. The FP5131961 is built to withstand the rigorous demands of commercial engine rebuilds, delivering dependable performance and consistent valve operation after thousands of hours of service.