Product Description
MAHLE / Clevite CB-1810P-.25MM connecting rod bearing pair for the 2001–2016 GM 6.6L Duramax (LB7/LLY/LBZ/LMM/LML). This is a .25 mm undersize, P-Series tri-metal bearing engineered for connecting rods that have been resized to a housing bore .002" larger than stock. Sold per pair (one rod); order qty 8 for a full engine. Note: When using undersize bearings after crankshaft grinding, the crankshaft must be re-hardened (nitride) after machining.
- Series: P-Series (Tri-Metal)
- Size: .25 mm undersize
- Construction: Hardened steel back with lead-copper overlay
- Use case: Resized rod housing bore +0.002"
- Qty required: 8 pairs per engine
Fitment
- GM/Chevrolet/GMC 6.6L Duramax 2001–2016: LB7 (VIN 1), LLY (VIN 2), LBZ (VIN D), LMM (VIN 6), LML (VIN 8), plus LGH (VIN L) applications.
Cross Reference
- GM OE: 97250338, 97250410 (reference)
- Sealed Power: 8-4995P (reference)
- UPC/GTIN examples for related Duramax rod bearings: 027067970992 (series family reference)
Install Notes
- Verify rod housing bore spec (.002" over) and journal size before ordering.
- Match bearing to rod type (A/B marking) when applicable; consult build sheets.
- Check clearance with plastigage; target per Cummins/GM spec for 6.6L Duramax performance builds.
FAQ
Is CB-1810P an H-Series bearing?
It’s a P-Series pair designed for rods resized +.002" housing bore. Some retailers group it with H-Series.
Will this fit all 2001–2016 Duramax engines?
Yes, when used with resized rods and a crank ground for .25 mm undersize. See VIN codes above.
Do I need to nitride the crank?
Yes—after grinding, the crank must be re-hardened (nitride).
How many do I need?
Eight pairs (one pair per rod) for a complete engine.
