Product Description
Industrial Injection PDM-LMLSH Remanufactured Stock Cylinder Heads – 2011–2016 LML 6.6L Duramax
Restore factory performance and reliability on your LML with Industrial Injection remanufactured stock cylinder heads. Each head is precision-machined, pressure tested, and built to OE specifications for a hassle-free, bolt-on install on your 2011–2016 Chevrolet/GMC 2500HD/3500HD equipped with the 6.6L Duramax LML.
Why Choose These Heads
- OE-style remanufacture for stock drivability and emissions equipment compatibility
- Pressure-tested for coolant and oil integrity
- Precision valve and seat work for optimal sealing
- Ready for installation with your choice of MLS head gaskets and ARP head studs
Fitment
- Engine: 6.6L Duramax LML (2011–2016)
- Vehicles: 2011–2016 Chevrolet Silverado 2500HD/3500HD; GMC Sierra 2500HD/3500HD
- Direct replacement for stock LML heads (driver or passenger side). Verify casting/part number before ordering.
What’s Typically Included
- Remanufactured cylinder head (bare or assembled, based on selection)
- Valve job and resurfacing to OE spec
- Pressure test for cracks and porosity
Note: Core charge and return may apply. See our Core Return Policy for details.
Recommended Installation Parts
- LML Head Gasket Kit (MLS)
- ARP Head Stud Kit – LML
- OE-Style Head Bolt Set – LML
- Valve/Rocker Cover Gaskets – LML
- Fresh Coolant & Thermostats – Cooling System
- More Cylinder Heads & Components
Installation Notes
- Always verify block deck flatness and surface finish.
- Use new MLS gaskets and proper fastener torque (or follow ARP instructions when using studs).
- Bleed the cooling system and change engine oil after first heat cycle.
Specifications
| Brand | Industrial Injection |
|---|---|
| Part Number | PDM-LMLSH |
| Engine | 6.6L Duramax LML (2011–2016) |
| Configuration | Stock Replacement, Remanufactured |
| Condition | Reman (core charge may apply) |
| UPC | TBD |
| GTIN | TBD |
| Prop 65 | WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
FAQ
Q: Are these a direct bolt-on for LML?
A: Yes, they are built to OE specifications for 2011–2016 LML 6.6L Duramax applications.
Q: Do they come assembled?
A: Availability may vary (bare or assembled). Check the product options on this page or contact us.
Q: Do I need studs or can I reuse bolts?
A: We recommend ARP head studs for maximum clamping force, especially on tuned trucks. New OE head bolts are acceptable for stock power levels.
Q: Is machine work required?
A: Heads ship resurfaced and pressure tested. Always verify block deck prep and follow torque/angle specs.
Q: What about emissions?
A: These are stock-replacement heads intended to maintain factory emissions equipment when used with OE components.
