Product Description
The CUMMINS 4891179 OEM CONNECTING ROD CAP SCREW (ROD BOLT) is designed for 2003–2018 5.9L and 6.7L ISB Cummins diesel engines. This genuine Cummins connecting rod cap screw is engineered to provide the proper clamping force required to secure the connecting rod cap to the connecting rod assembly.
Use this part during engine rebuilds, connecting rod service, piston replacement, or whenever rod bolts show signs of wear, stretching, or damage. Always verify fitment by year, make, model, engine, and engine serial number before ordering.
FEATURES
- Genuine Cummins OEM connecting rod cap screw
- Designed for 2003–2018 ISB Cummins applications
- Maintains proper connecting rod cap clamping force
- Direct-fit replacement rod bolt
- Recommended during engine rebuilds and rotating assembly service
- Built to Cummins factory specifications
FITMENT
- 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 4891179 OEM Connecting Rod Cap Screw (Rod Bolt)
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 4891179
- Connecting rod bearing service components
- Piston and connecting rod assemblies
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 4891179
- Part Type: Connecting Rod Cap Screw / Rod Bolt
- Engine Compatibility: 5.9L ISB Cummins, 6.7L ISB Cummins
- Fitment Years: 2003–2018
- Vehicle Application: Dodge Ram / Ram 2500 and 3500
- Condition: New
- Quantity: Sold Individually
- Location: Connecting Rod Assembly
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 4891179 is a direct-fit OEM replacement connecting rod cap screw for the listed applications.
What is included?
This listing includes one Cummins 4891179 OEM connecting rod cap screw.
Should connecting rod bolts be replaced during an engine rebuild?
Yes. Rod bolts are critical engine fasteners and should be carefully inspected during rebuilds. Many engine builders recommend replacing them whenever the connecting rods are serviced.
What does a connecting rod cap screw do?
The rod cap screw secures the connecting rod cap to the connecting rod, maintaining proper bearing crush and clamping force throughout engine operation.
Do I need any related parts?
Inspect connecting rod bearings, pistons, wrist pins, crankshaft journals, and related rotating assembly components during installation and replace worn parts as necessary.
