Product Description
MAHLE CB-1805P(8) is a complete set of eight P-Series connecting rod bearing pairs (16 shells total) for the 2001–2016 GM 6.6L Duramax (LB7, LLY, LBZ, LMM, LML). Built on a hardened steel back with MAHLE/Clevite TM-77 tri-metal material, these bearings provide high load capacity, higher eccentricity, and high crush for retention—ideal for stock refreshes and performance builds. Use CB-1805P with rods stamped “B”; rods stamped “A” use CB-1990P.
Key Specs
- Series: P-Series (tri-metal TM-77)
- Size: Standard (STD)
- Standard shaft dia.: 2.4764"–2.4772"
- Bearing O.D. (housing bore): 2.6372"–2.6378"
- Max wall: 0.0795"
- Max length: 0.9340"
- Notes: use with rods marked “B”
Fitment
- 2001–2016 Chevrolet Silverado / GMC Sierra 2500HD & 3500HD, 6.6L Duramax (LB7, LLY, LBZ, LMM, LML)
Cross Reference & Related
- MAHLE/Clevite: CB-1805P (STD), CB-1805P-.25MM (.010" undersize), CB-1805P-.50MM (.020" undersize)
- Alternate for “A” rods: CB-1990P (STD)
- GM OEM (LML color-coded): 19209594 (B / Yellow), 19209593 (A / Green)
- UPC/GTIN (each): 027067379672; Package GTIN (set): 00027067379689
What’s Included
Eight rod-bearing pairs (16 shells) to service all 8 connecting rods in a V8 Duramax.
FAQ
Will these fit my Duramax?
Yes. They fit 2001–2016 6.6L Duramax LB7/LLY/LBZ/LMM/LML.
How do I know if I need CB-1805P vs. CB-1990P?
Check the stamping on your connecting rods. “B” uses CB-1805P; “A” uses CB-1990P.
Are these standard size?
Yes. This listing is STD. Undersizes .25 mm and .50 mm are available for reground cranks.
Do I need new rod bolts?
Highly recommended during bottom-end service (see recommended product below).
