Parts for Caterpillar 3406E - Fuel Section

Caterpillar 3406E Fuel System Parts

Maintain smooth fuel delivery and reliable starts in your Caterpillar 3406E engine with high-performance fuel system components designed for precision and durability. The Caterpillar Fuel Priming Pump is a crucial part of ensuring the engine’s fuel system remains properly pressurized and free of air pockets. Available in several configurations—56.4cc, 51.3cc, and 41.4cc stroke per lifter—these pumps support different engine setups and service conditions. Each pump helps eliminate trapped air from the fuel lines, preventing hard starts and ensuring the injectors receive consistent fuel flow. Constructed from heavy-duty materials, they provide lasting reliability under demanding environments such as marine, trucking, and industrial applications where the 3406E is commonly used.

The Fuel Filter Removal Wrench, compatible with Detroit Diesel, Cummins, and Caterpillar filters ranging from 3-7/16" to 3-3/4" in diameter, is an essential companion tool for any service technician. Its adjustable and durable design allows for safe, non-slip removal and installation of fuel filters without damaging filter housings or fittings.

Together, these fuel system parts support the 3406E’s legendary performance by ensuring clean, uninterrupted fuel delivery and efficient combustion. Regular replacement of priming pumps and use of the proper maintenance tools help protect the injection system, reduce downtime, and extend engine life. All components from Diesel Pro Power are built to OEM-quality standards and backed by fast worldwide shipping to keep your Caterpillar 3406E operating at peak efficiency.