Product Description
Dial in reliable bottom-end oil control on your LB7–LML with the MAHLE MS-2218H-.026MM H-Series Main Bearing Set for the 2001–2016 GM 6.6L Duramax. This .026 mm undersize race-geometry set is built on a hardened steel back with a thin overlay and no flash plating for consistent seating, high crush, and dependable film strength under load. Pair with proper clearances and thrust service for long-life performance builds.
Fitment
- 2001–2016 GM 6.6L Duramax V8 (LB7, LLY, LBZ, LMM, LML) — Silverado/Sierra 2500HD/3500HD and other equipped platforms
Cross-Reference / Alternatives (Mahle only)
- Mahle MS-2218H (STD): MS-2218H
- Mahle MS-2218HX (STD + .001 oil clearance): MS-2218HX
- Mahle MS-2218H-.25MM (0.25 mm undersize): MS-2218H-.25MM
- Mahle MS-2218P (STD, P-Series): MS-2218P
- Mahle MS-2218P-.50MM (0.50 mm undersize, P-Series): MS-2218P-.50MM
Recommended Parts
- Mahle TW-610S Thrust Washer Set (required when servicing thrust): TW-610S
FAQ
Will these fit my Duramax?
Yes—fits 6.6L Duramax LB7/LLY/LBZ/LMM/LML (2001–2016).
What does .026 mm undersize mean?
They’re intended for crankshafts ground to the matching undersize. Always measure and set main bearing clearance to spec.
Do these include thrust washers?
No. Use Mahle TW-610S if thrust service is required.
H vs. HX vs. P-Series?
H-Series is the performance race geometry. HX is standard size with about +.001" extra oil clearance. P-Series is a robust OE-style tri-metal alternative.
Specifications for Mahle MS-2218H-.026MM
| Attribute | Value |
|---|---|
| Brand | Mahle / Clevite |
| Part Number | MS-2218H-.026MM |
| Size | .026 mm undersize |
| UPC | 027067704573 |
| GTIN | 00027067704573 |
| Engine Compatibility | 2001–2016 GM 6.6L Duramax (LB7/LLY/LBZ/LMM/LML) |
| Shipping | Free Shipping (standard ground) |
| Package Dimensions | 5.00" × 6.00" × 5.00" (listing) |
| Prop 65 | Not specified by manufacturer. See www.P65Warnings.ca.gov. |
