MAHLE MS-2218H H-SERIES MAIN BEARING (STD) FOR 01–16 GM DURAMAX 6.6L

Product Description

Build a tougher bottom end with the MAHLE MS-2218H H-Series Main Bearing Set (Standard) for the 2001–2016 GM 6.6L Duramax (LB7, LLY, LBZ, LMM, LML). Clevite H-Series race-proven geometry delivers medium eccentricity, high crush, enlarged chamfers for crank fillet clearance, and no flash plating for superior seating—ideal for medium-to-high RPM and performance/towing builds.

Mahle MS-2218H main bearings, Duramax 6.6L LB7 LLY LBZ LMM LML bearings, H-Series tri-metal main bearing set, standard size Duramax main bearings, Mahle Clevite race bearings, CPP Diesel Duramax bottom end parts

Fitment

• 2001–2016 Chevrolet/GMC 2500HD/3500/3500HD — 6.6L Duramax (LB7, LLY, LBZ, LMM, LML)
• Also fits select 6.6L Duramax commercial/van platforms where equipped

Cross-Reference / Alternatives (Mahle only)

• Mahle MS-2218HX H-Series Main Bearings (.001" extra clearance): MS-2218HX
• Mahle MS-2218H-.026MM H-Series Main Bearing (.026mm undersize): MS-2218H-.026MM
• Mahle MS-2218H-.25MM H-Series Main Bearing (.25mm undersize): MS-2218H-.25MM
• Mahle MS-2218P P-Series Main Bearings (STD): MS-2218P
• Mahle TW-610S Thrust Washer Set (required with main bearing service): TW-610S
• Mahle CB-1805HX H-Series Rod Bearing (STD + .001" extra clearance): CB-1805HX

What’s Included

• Complete set of main bearing shells (upper & lower) for one 6.6L Duramax engine
• Note: Thrust washer set sold separately (use Mahle TW-610S)

Why CPP Diesel

• Diesel-focused selection and technical fitment clarity for Duramax platforms
• Fast shipping and responsive support from diesel enthusiasts

FAQ

Will these fit my LB7/LLY/LBZ/LMM/LML?
Yes—coverage spans 2001–2016 6.6L Duramax engines (LB7 through LML).

Do I need a thrust washer set?
Yes—pair main bearings with TW-610S for proper end-play control.

What’s the difference between MS-2218H and MS-2218HX?
HX provides approximately +.001" extra oil clearance for builds that need more film thickness under load.

Are H-Series bearings tri-metal?
Yes—Clevite H-Series use a hardened steel back with a thin tri-metal overlay and high-crush design.

Specifications for Mahle MS-2218H