Optimize the performance of your Cummins diesel engine with the Fortpro Exhaust Valve Guide, designed specifically for Cummins 4B and 6B engines. This essential component ensures precise exhaust valve guidance, efficient heat dissipation and a significant reduction in wear. Manufactured from premium materials and with millimeter precision, this valve guide ensures perfect compatibility, directly replacing OEM 3904409. With Fortpro, you get durability, strength and superior performance that keeps your engine running like new.

Specifications:

• Brand: Fortpro
• Vehicle Type: Semi-Trucks / Heavy Trucks
• Product Department: Engine
• Product category : Cummins Parts
• Part Type: Exhaust Valve Guide
• OEM Reference #: 3904409
• Length: 51.75 mm
• Inside Diameter (ID): 0.316 in.
• Outside Diameter (O.D): 0.554 in.
• Material: Steel Alloy
• Applications:
  Cummins 4B Series Engine
  Cummins 6B Series Engine

CrossReference:

• Cummins: 3904409, CUM3904409
• PAI: 192040