Description

Mahle CB-1873AP Connecting Rod Bearing Set

Keep your common-rail Cummins engine running reliably with the Mahle CB-1873AP connecting rod bearing set, designed for 2003–2018 5.9L and 6.7L engines using fractured-cap rods.

Manufactured with Mahle’s P-Series aluminum-silicon (TM-112) material, these bearings provide consistent oil film support, wear resistance, and long service life for both stock rebuilds and performance applications.

Sold per connecting rod (one pair). Six pairs are required for a complete engine.

Fitment

2003–2007 Dodge Ram 2500/3500 – 5.9L Cummins 24V (common-rail)
2007.5–2018 Ram 2500/3500/4500/5500 – 6.7L Cummins 24V
Fractured-cap connecting rods only

What’s Included

One pair of standard-size connecting rod bearing shells (for a single rod)

Key Features

OE-quality Mahle / Clevite bearing
P-Series aluminum-silicon (TM-112) construction
Designed for common-rail Cummins engines
Strong wear resistance and oil film retention
Suitable for stock and performance builds

Available Sizes

Standard (CB-1873AP)
Undersize .25mm
Undersize .50mm
Undersize .75mm

FAQ

Will these fit both 5.9L and 6.7L engines?
Yes. These bearings fit 2003–2018 common-rail Cummins engines with fractured-cap rods.

Is this a complete engine set?
No. Bearings are sold per connecting rod. Six pairs are required per engine.

What material are these made from?
P-Series aluminum-silicon (TM-112), designed for OE-level durability and performance.

When should I choose undersize bearings?
Select undersize (.25/.50/.75mm) only if your crankshaft journals have been machined undersize.

Specifications

Brand: Mahle / Clevite
Part Number: CB-1873AP (STD)
UPC / GTIN: 027067726339
Engine Compatibility: 2003–2007 5.9L Cummins / 2007.5–2018 6.7L Cummins
Rod Style: Fractured-cap connecting rods
Material: P-Series Aluminum-Silicon (TM-112)
Package Dimensions: Approx. 3.19″ × 1.25″ × 2.25″
Shipping: Calculated at checkout

Important Notes

Sold per connecting rod, not a full engine set
Verify rod style and sizing before ordering
Select correct size based on crankshaft condition