Product Description
MAHLE CB-1873H-.026MM H-Series connecting rod bearing delivers race-bred strength and stable oil film for 2003–2018 Cummins 5.9L/6.7L builds. The H-Series design uses a hardened steel back, thin overlay, medium eccentricity and high crush with enlarged chamfers to clear performance crank fillets—ideal for tuned tow rigs, work trucks, and competition engines ground to 0.026 mm (0.001") undersize.
Fitment
- 2003–2007 Ram 2500/3500 5.9L Cummins (24V common rail)
- 2007.5–2018 Ram 2500/3500 6.7L Cummins
- 2008–2018 Ram 4500/5500 6.7L Cummins
- For crank journals ground to .026 mm (0.001") undersize; verify journal size and bearing clearance.
What’s Included
- (1) Pair of H-Series rod bearings (upper & lower shell) for a single connecting rod — 6 pairs required per engine
Cross-Reference / Alternatives (MAHLE on cppdiesel.com only)
- MAHLE CB-1873H (Standard size)
- MAHLE CB-1873HX (H-Series, extra-clearance)
- MAHLE CB-1873H-.25MM (0.25 mm undersize)
- MAHLE CB-1873AP (P-Series, standard)
Why MAHLE / Clevite H-Series
- Hardened steel back and thin overlay for high-load stability
- Medium eccentricity & high crush for consistent contact
- Large chamfers for crank fillet clearance on performance grinds
Installation Notes
- Measure housing bore and journal; set oil clearance with plastigage or mic/ID bore gauge
- Cleanliness is critical; use proper assembly lube and torque values
- Order the correct size for your crank (this listing is .026 mm undersize)
FAQ
Is this sold as a full engine set?
No. One pair services one connecting rod. You need six pairs for a full engine.
What does .026 mm (0.001") undersize mean?
It matches crank journals ground 0.026 mm (0.001") under OE size. Always verify your crank spec before ordering.
Which H-Series should I choose: H, HX, or undersize?
Use H (STD) for standard journals, HX when you need extra oil clearance on a standard journal, and H-.026mm/.25mm/.50mm for ground journals.
| Attribute | Value |
|---|---|
| Brand | MAHLE / Clevite |
| Part Number | CB-1873H-.026MM |
| GTIN / UPC | 00027067865250 / 027067865250 |
| Size | .026 mm (0.001") undersize |
| Sold As | Pair (upper & lower shell) — 6 pairs required per engine |
| Shipping Info | Ships from CPP Diesel; shipping calculated at checkout. Typical box approx. 3.19" W × 2.00" H × 2.44" D. |
| Prop 65 | This product can expose you to chemicals including lead and lead compounds, known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. |
