INTERSTATE MCBEE
INTERSTATE-MCBEE M-4891178 CONNECTING ROD END BUSHING 94–18 5.9L/6.7L CUMMINS (AFTERMARKET REPLACEMENT)
- SKU:
- MCBM-4891178
- MPN:
- M-4891178
- Shipping:
- Calculated at Checkout
Description
Interstate-McBee M-4891178 Connecting Rod End (Wrist-Pin) Bushing – 94–18 5.9L/6.7L Cummins
Direct-fit aftermarket wrist-pin bushing for Cummins B-Series 5.9L (ISB) and 6.7L (ISB) applications. The M-4891178 bushing restores proper pin-to-rod clearance, reduces friction, and supports long service life on 1994–2007 5.9L and 2007.5–2018 6.7L Dodge Ram 2500/3500 trucks and other B-Series platforms. Sold individually; six (6) required per engine.
- OEM-style fit and function: Aftermarket replacement for Cummins 4891178.
- Precision sizing: Press-in installation; final hone/ream to spec per Cummins service manual.
- Engineered for durability: Supports proper lubrication and pin alignment under heavy-duty use.
- Value vs. OEM: Interstate-McBee quality at a lower cost than genuine Cummins boxed parts.
Specifications
Interstate-McBee Part | M-4891178 |
---|---|
OEM Cross-Reference | 4891178 (Cummins) |
Additional Interchanges | 3901085, 3941476 (verify by ESN) |
Position | Connecting rod small-end (wrist-pin) bushing |
Sold As | Each (six required per engine) |
Vehicle Fitment
Always confirm by engine serial number (ESN) and connecting-rod style; some early designs vary by oil-hole orientation.
- Dodge Ram 2500/3500 5.9L Cummins (ISB): 1994–2007
- Dodge Ram 2500/3500 6.7L Cummins (ISB): 2007.5–2018
- Also common on B-Series industrial/ag: 4B/4BT 3.9L, 6B/6BT 5.9L, ISB & QSB families (verify by ESN and rod).
Install Notes
- Press bushing into clean, inspected rod small-end; align oil feed if applicable.
- Hone/ream to wrist-pin clearance per Cummins spec; measure with proper gauges.
- Replace any out-of-round or damaged rods; follow torque and lube procedures in the Cummins manual.
Warranty
Interstate-McBee new engine parts generally carry up to 24 months coverage under normal use; valve-train items may vary. Contact us for the policy that applies to this bushing.
Why Buy From CPP Diesel
- ESN-verified fitment support from real diesel techs
- Fast shipping and hassle-free returns
- Huge B-Series selection to complete your rebuild