Product Description
The CUMMINS 3943626 OEM VALVE CROSSHEAD (ROCKER ARM VALVE BRIDGE) is designed for 1998.5–2018 5.9L and 6.7L Cummins diesel engines. This genuine Cummins valvetrain component transfers rocker arm movement evenly between paired valves to help maintain proper valve operation, performance, and durability.
Use this part when servicing the cylinder head, rocker arm assembly, valves, or during engine repair and rebuild work. Always verify fitment by year, make, model, engine, and engine serial number before ordering.
FEATURES
- Genuine Cummins OEM valve crosshead
- Also known as a rocker arm valve bridge
- Designed for 1998.5–2018 5.9L and 6.7L Cummins engines
- Transfers rocker arm force evenly across paired valves
- Helps maintain proper valve train operation and valve lash adjustment
- Direct-fit replacement component
FITMENT
- 1998.5–2002 Dodge Ram 2500/3500 5.9L Cummins 24V
- 2003–2007 Dodge Ram 2500/3500 5.9L Cummins
- 2007.5–2018 Ram 2500/3500 6.7L Cummins
- Select Cummins ISB industrial and commercial applications
WHAT'S INCLUDED
- 1 Cummins 3943626 OEM Valve Crosshead (Rocker Arm Valve Bridge)
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3943626
- Rocker arm assemblies
- Valve adjustment and cylinder head service components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3943626
- Part Type: Valve Crosshead / Rocker Arm Valve Bridge
- Engine Compatibility: 5.9L Cummins, 6.7L Cummins
- Fitment Years: 1998.5–2018
- Vehicle Application: Dodge Ram / Ram 2500 and 3500
- Condition: New
- Quantity: Sold Individually
FAQ
Will this part fit my truck?
This part fits the applications listed above. Always verify your year, make, model, engine, and engine serial number before ordering.
Is this a direct replacement?
Yes. Cummins 3943626 is a direct-fit OEM replacement valve crosshead for the listed applications.
What is included?
This listing includes one Cummins 3943626 OEM valve crosshead.
What does a valve crosshead do?
The valve crosshead, also called a valve bridge, transfers rocker arm movement evenly across two valves to ensure proper valve operation and valve lash settings.
Should worn crossheads be replaced?
Yes. Worn, damaged, or improperly adjusted crossheads can contribute to uneven valve operation and accelerated valvetrain wear.
Do I need any related parts?
Inspect the rocker arms, adjusting screws, valves, pushrods, and related valvetrain components during service and replace worn parts as necessary.
