Product Description
MAHLE CB-1873H-.25MM H-Series connecting rod bearing delivers tri-metal performance and reliable oil-film control for 2003–2018 Cummins 5.9L/6.7L builds using fractured-cap rods. Sized 0.25 mm undersize (.010") for reground crank journals, the H-Series design features a hardened steel back, thin overlay, medium eccentricity, high crush, and enlarged chamfers for crank fillet clearance—ideal for towing, work, and performance applications.
Fitment
- 2003–2007 Ram 2500/3500 5.9L Cummins (24V)
- 2007.5–2018 Ram 2500/3500/4500/5500 6.7L Cummins
- Undersize: .25 mm (.010") — verify journal size and clearance.
Cross-Reference & Related MAHLE Sizes (Internal Links)
- MAHLE CB-1873H (STD) – 03–18 Cummins 5.9/6.7
- MAHLE CB-1873HX (Extra Clearance) – 03–18 Cummins 5.9/6.7
- MAHLE CB-1873H-.026MM – 03–18 Cummins 5.9/6.7
- MAHLE CB-1873AP-.25MM (P-Series Pair) – 03–18 Cummins 5.9/6.7
- MAHLE MS-2328H-.25MM Main Bearing Set – 89–18 Cummins 5.9/6.7
- MAHLE CB-1413H-.25MM – 89–02 Cummins 5.9L (for earlier engines)
Why MAHLE / Clevite H-Series
- Tri-metal construction with hardened steel back for high load capacity
- Thin overlay and medium eccentricity for stable oil film at RPM
- Enlarged chamfers to clear performance crank fillets
Install Notes
- Confirm crank journal size (.010" under) and final clearance (Plastigage/mic)
- Lubricate during assembly; match tangs and oil holes correctly
- Order 12 halves (6 pairs) for a complete engine
FAQ
Is this sold as a single shell or a pair?
Listed individually; plan on 12 halves (6 pairs) per engine.
When should I choose H-Series vs. HX?
Use H for standard performance clearances; choose HX for ~+.001" extra oil clearance targets.
Will CB-1873H-.25MM fit all 2003–2018 5.9/6.7 rods?
For fractured-cap rods common to 2003+ ISB applications. Always verify rod type and journal size.
| Attribute | Value |
|---|---|
| Brand | MAHLE / Clevite |
| Part Number | CB-1873H-.25MM |
| UPC GTIN | 027067865267 |
| Shipping Info | Ships from CPP Diesel; shipping calculated at checkout. Box approx. 3.19" W × 2.00" H × 2.44" D (typical listing). |
| Country of Origin | Not specified |
| 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. |
