Product Description
Dial in compression and oil control on your LML/LGH rebuild with the MAHLE 42160.03 piston ring set (.030" over) for 2011–2016 GM 6.6L Duramax. This full engine set is pre-lapped to speed seat-in with a proper plateau hone and built to OE standards for long service life, low oil consumption, and reliable sealing under heavy towing and work-truck heat cycles.
Fitment
- 2011–2016 Chevrolet Silverado 2500/3500 HD – 6.6L Duramax LML/LGH
- 2011–2016 GMC Sierra 2500/3500 HD – 6.6L Duramax LML/LGH
Cross-Reference / Alternatives (Mahle on CPP Diesel only)
Notes
Always measure and verify bore size, taper, and out-of-round. File-fit ring end gaps to your build’s spec and finish with a plateau hone for best results.
FAQ
Will this fit my 2011–2016 LML/LGH Duramax?
Yes—42160.03 is engineered for LML/LGH blocks bored and honed to .030" over.
Is this a complete engine set?
Yes, it includes rings for all eight cylinders (top, second, and oil control assemblies).
Do I still need to set end gaps?
Yes. Pre-lapped rings seat quickly, but you should always verify and set end gaps per spec.
Specifications for Mahle 42160.03
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | 42160.03 |
| Oversize | .030" over (≈ +0.75 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 |
