MAHLE CB-1805P-.50MM(8) P-SERIES ROD BEARING SET (.50MM) FOR 01-16 GM DURAMAX 6.6L

Product Description

Dial in proper oil clearance after a crank grind with the MAHLE CB-1805P-.50MM(8) P-Series Rod Bearing Set for the 2001–2016 GM 6.6L Duramax (LB7/LLY/LBZ/LMM/LML). This complete 8-bearing engine set uses MAHLE/Clevite’s TM-77 tri-metal construction on a hardened steel back for high crush retention and fatigue resistance under towing, tuning, and performance use.

Mahle CB-1805P-.50MM(8) rod bearings set, Duramax 6.6L .50mm undersize bearings, P-Series TM-77 tri-metal, LB7 LLY LBZ LMM LML rod bearings, B-shell bearings Duramax, CPP Diesel

Fitment

• 2001–2016 Chevrolet/GMC 2500HD/3500HD — 6.6L Duramax (LB7, LLY, LBZ, LMM, LML)
• Notes: Use P-Series CB-1805P bearings on connecting rods stamped “B”. LML applications may use “A” or “B” rods; verify stamping before ordering.

Cross-Reference / Alternatives (Mahle only)

• Individual B-shell (.50mm) — MAHLE CB-1805P-.50MM
• Standard set (B-shell, STD) — MAHLE CB-1805P(8)
• Standard individual (B-shell, STD) — MAHLE CB-1805P
• .25mm undersize set (B-shell) — MAHLE CB-1805P-.25MM(8)
• Matching A-shell for rods stamped “A” (.50mm) — MAHLE CB-1990P-.50MM

What’s Included

• (8) P-Series rod bearings — complete engine set (.50mm undersize)

FAQ

Will this fit my 6.6L Duramax?
Yes—fits LB7, LLY, LBZ, LMM, and LML (2001–2016). Verify rod stamping: use CB-1805P on rods marked “B”; rods marked “A” use CB-1990P.

What does “.50mm undersize” mean?
It’s for crankpins ground 0.50mm (≈.020") under standard. Always measure and verify oil clearance on assembly.

Is this a tri-metal bearing?
Yes—TM-77 tri-metal overlay on a hardened steel back with high crush for secure seating.

Is this the full set?
Yes—this listing is an 8-bearing engine set. If you only need a single B-shell, use the individual listing linked above.

Specifications for Mahle CB-1805P-.50MM(8)