Product Description
MAHLE / CLEVITE CB-1805H-.026MM H-Series connecting rod bearing for the 2001–2016 GM 6.6L Duramax. Built on Clevite’s race-proven H-Series with a hardened steel back and TM-77 tri-metal overlay, medium eccentricity, and high crush for stability. Size is .026 mm undersize (approx. .001”). Sold individually.
Features
- H-Series performance design; enlarged chamfers for crank fillet clearance
- TM-77 material; hardened steel back with thin overlay
- Made without flash plating for better seating
- Note: undersize bearings require the crankshaft to be rehardened (nitride heat treatment)
Specifications
- MPN: CB1805H026MM
- Size: .026 mm undersize
- Material: TM-77
- Quantity: 1 bearing (order as needed)
Fitment
- 2001–2016 GM 6.6L Duramax LB7 / LLY / LBZ / LMM / LML (Silverado/Sierra; also applicable to compatible van/chassis variants)
Cross Reference Numbers
- GM: 97250338, 97250410
- Sealed Power: 8-4995P
- UPC/GTIN: 027067704474
FAQ
Is this the .026 mm undersize bearing?
Yes. It is the .026 mm undersize (about .001”) H-Series rod bearing.
Do I need machine work?
For undersize bearings, the crankshaft must be ground appropriately and then rehardened with nitride heat treatment. Always measure clearances.
Does this include a full set?
No—sold individually. Order the quantity required for your build.
What engines does it fit?
All 2001–2016 GM 6.6L Duramax families (LB7, LLY, LBZ, LMM, LML).
