Product Description
MAHLE 42160.02 piston ring set for the 2011–2016 GM 6.6L Duramax (LGH/LML) is a +.020" (0.50 mm) oversize kit engineered to OE standards for fast seating and long service life. Designed for 4.075" (103.5 mm) bores typical of .020" over rebuilds.
- Engine: 6.6L Duramax V8 (LGH/LML), 2011–2016
- Oversize: +.020" (0.50 mm)
- Typical Bore: 4.075" (103.51 mm)
- Materials/Face: Top ring stainless steel gas-nitrided; second ring cast iron chrome-faced; oil ring carbon steel gas-nitrided
- Axial heights: 3.0 mm / 2.0 mm / 3.0 mm
- Sold as a complete engine set
Fitment
- 2011–2016 Chevrolet Silverado 2500HD / 3500HD (6.6L Duramax LGH/LML)
- 2011–2016 GMC Sierra 2500HD / 3500HD (6.6L Duramax LGH/LML)
Note: Verify oversize during machine work (.020"/0.50 mm) and ring end-gaps per MAHLE specs.
Cross Reference / Interchange
- MAHLE family: 42160 (STD), 42160.01 (+.010"), 42160.02 (+.020"), 42160.03 (+.030"), 42160.04 (+.040")
- Retail alternates: Summit Racing MAH-42160020; JEGS 42160.020
FAQ
Will 42160.02 fit my LML/LGH?
Yes—if your block is bored .020" oversize. It’s intended for 2011–2016 6.6L Duramax LGH/LML applications.
What bore size do I measure for .020" over?
Target bore is ~4.075" (103.5 mm). Always confirm with your machinist and set ring end-gaps to spec.
What are the ring materials?
Top ring stainless steel gas-nitrided, second ring chrome-faced cast iron, oil ring carbon steel gas-nitrided—OE-grade for durability.
Do these come pre-lapped?
MAHLE Duramax ring sets are manufactured to seat quickly with proper hone finish; follow MAHLE’s surface finish and end-gap guidance.
