Product Description
MAHLE 42160.01 is a complete .010" (+0.25 mm) oversize piston ring set for 2011–2016 GM 6.6L Duramax LML/LGH engines. Pre-lapped rings promote fast seat-in and reliable sealing under heavy load—ideal for rebuilds that require a +.010" overbore. Bore size for +.010" applications is approximately 4.065".
- Engine family: 6.6L Duramax V8 (LML, LGH)
- Oversize: +.010" (+0.25 mm)
- Set covers all 8 cylinders (complete engine)
- OE-grade materials and profiles for durability and oil control
Fitment
- 2011–2016 Chevrolet Silverado 2500/3500 HD (6.6L LML)
- 2011–2016 GMC Sierra 2500/3500 HD (6.6L LML)
- 2011–2016 Chevy/GMC Express/Savana & chassis (6.6L LGH)
Cross Reference & Related Sizes
- MAHLE 42160 (STD), 42160.01 (+.010), 42160.02 (+.020), 42160.03 (+.030), 42160.04 (+.040)
Notes
Measure and verify cylinder bore, taper, and out-of-round. File-fit as required to manufacturer end-gap specs for your application.
FAQ
Will these rings fit my LML/LGH Duramax?
Yes—this set is engineered for 2011–2016 6.6L Duramax LML/LGH engines. Confirm you need the +.010" oversize before ordering.
Is this a full engine set?
Yes. It includes rings for all 8 pistons.
What’s the bore size for +.010"?
Target finished bore is ~4.065" for +.010" over applications.
Are the rings pre-lapped?
Yes—pre-lapped for quicker seat-in after installation.
