Product Description
Restore compression and oil control on your 2011–2016 6.6L Duramax with the MAHLE 42160.04 piston ring set. This .040" over (+~1.00 mm) complete 8-cylinder ring pack is OE-grade and pre-lapped for fast seat-in after a proper plateau hone—built to handle heavy tow, work-truck heat cycles, and daily reliability.
Fitment
- 2011–2016 Chevrolet Silverado 2500HD / 3500HD – 6.6L Duramax LML
- 2011–2016 GMC Sierra 2500HD / 3500HD – 6.6L Duramax LML
- 2011–2016 GM fleet/commercial – 6.6L Duramax LGH
Cross-Reference / Alternatives (Mahle on CPP Diesel only)
Notes
Always measure bore size, taper, and out-of-round after machining. File-fit ring end gaps to your build specs and confirm surface finish for rapid seat-in.
FAQ
Will 42160.04 fit my 2011–2016 LML/LGH Duramax?
Yes—this is the .040" oversize set for LML/LGH blocks that have been bored/honed to ~4.095" finished bore.
Is this a complete engine set?
Yes. Includes top, second, and oil control assemblies for all eight cylinders.
Are the rings pre-lapped?
Yes—pre-lapped to speed initial seating with the correct hone finish.
Specifications for Mahle 42160.04
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | 42160.04 |
| Oversize | .040" over (approx. +1.00 mm) |
| Engine Compatibility | 2011–2016 GM 6.6L Duramax (LML/LGH) |
| UPC | 27067864079 |
| GTIN | 027067864079 |
| Shipping | Free Shipping (ground); optional shipping insurance available at checkout |
| Prop 65 | This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Learn more |
