MAHLE CB-1805H-.026MM H-SERIES ROD BEARING (.026MM) FOR 01-16 GM DURAMAX

Product Description

Dial in precise oil clearances on your Duramax build with the MAHLE CB-1805H-.026MM H-Series Rod Bearing. Engineered on Clevite’s race-proven H-Series platform, this .026 mm undersize shell (≈.001") uses a hardened steel back and TM-77 tri-metal overlay with medium eccentricity and high crush for excellent stability under load. Enlarged chamfers improve crank fillet clearance—ideal for performance and towing applications across LB7, LLY, LBZ, LMM, and LML 6.6L platforms.

Mahle CB-1805H-.026MM rod bearing, H-Series Duramax bearing, 01-16 GM 6.6L LB7 LLY LBZ LMM LML undersize rod bearing, TM-77 tri-metal, .026 mm undersize ≈ .001 in, performance diesel engine bearings

Fitment

• 2001–2016 GM/Chevy/GMC 6.6L Duramax — LB7, LLY, LBZ, LMM, LML

Cross-Reference / Alternatives (Mahle only)

• Mahle CB-1805H (STD): CB-1805H
• Mahle CB-1805H-.25MM (0.25 mm undersize): CB-1805H-.25MM
• Mahle CB-1805HX (STD + .001" extra clearance): CB-1805HX
• Mahle MS-2218H-.026MM Main Bearing (.026 mm undersize): MS-2218H-.026MM

What’s Included

• (1) H-Series connecting rod bearing shell, .026 mm undersize (sold individually)

Installation Notes

• .026 mm undersize requires a properly reground crank journal; verify with precise measurements.
• Many builders re-nitride after grinding to restore surface hardness.

FAQ

Is this the .026 mm undersize?
Yes—this is the .026 mm undersize bearing (about .001"). Sold per rod; order the quantity you need.

Will it fit all 6.6L Duramax generations from 2001–2016?
Yes—LB7, LLY, LBZ, LMM, and LML are covered.

Do I need machine work?
Yes. Undersize bearings require crankshaft journals to be ground to match; confirm clearances and consider re-nitriding.

What material is it?
TM-77 tri-metal overlay on a hardened steel back with H-Series geometry for high load stability.

Specifications for Mahle CB-1805H-.026MM