Product Description
MAHLE MS-2218H-.25MM H-Series main bearing set for the 2001–2016 GM 6.6L Duramax (LB7/LLY/LBZ/LMM/LML). Built on MAHLE/Clevite’s TM-77 tri-metal construction for high load capability, with medium eccentricity, high crush, and enlarged chamfers for crank fillet clearance. Size is 0.25 mm undersize (0.010"). Requires thrust washer set TW-610S (sold separately).
- Series: H-Series performance bearings
- Material: TM-77 tri-metal overlay
- Size: 0.25 mm undersize (0.010")
- Set includes all five main bearings
Fitment
- 2001–2004 LB7 6.6L Duramax
- 2004.5–2005 LLY 6.6L Duramax
- 2006–2007 LBZ 6.6L Duramax
- 2007.5–2010 LMM 6.6L Duramax
- 2011–2016 LML 6.6L Duramax
Interchange / Cross-Reference
- MAHLE/Clevite: MS-2218H-.25MM (this part)
- UPC/GTIN: 027067704580
- King Bearings: MB5724CP0.25 (0.25 mm undersize)
- Associated Part (required): Clevite TW-610S thrust washer set
FAQ
Is this the correct size?
Yes, this is a 0.25 mm undersize main bearing set for reground crankshafts (commonly called “.010 under”).
Will it fit all 2001–2016 Duramax engines?
Yes—fits LB7, LLY, LBZ, LMM, and LML 6.6L Duramax engines (see fitment above).
Does this include thrust washers?
No. Order TW-610S thrust washer set separately.
What makes H-Series different?
H-Series bearings are designed for high-performance use with high crush, medium eccentricity, and enlarged chamfers for better crank fillet clearance and seating.
