Product Description
Restore factory performance on your LB7 with these Industrial Injection PDM-LB7SHN Stock Cylinder Heads. Precision-machined and pressure-tested, these heads are built for reliable everyday driving and towing on your 2001–2004 GM 6.6L Duramax LB7.
Fitment
- 2001, 2002, 2003, 2004 GM 2500/3500 HD — 6.6L Duramax LB7
- Direct replacement for LB7 cylinder head applications
Why Choose Industrial Injection Heads
- OEM-equivalent stock replacement for proven reliability
- Precision machining and thorough quality checks
- Pressure-tested water jackets for leak-free operation
- Built to handle daily driving, towing, and work duty
Recommended Supporting Parts
For the best results and to minimize downtime, add these commonly paired items:
- Head Gasket Set (LB7)
- ARP Head Stud Kit
- Intake/Exhaust & Valve Cover Gaskets
- Coolant & Cooling System Additives
- LB7 Misc. Hardware & Install Accessories
Installation Notes
- Professional installation recommended
- Always verify surface finish and cleanliness before gasket install
- Follow proper torque sequence and OEM torque specs
FAQs
Q: Do these heads require a core return?
A: Some cylinder head options may require a refundable core deposit. Please see the cart or product options for details.
Q: Are these heads ready to install?
A: These are stock replacement cylinder heads prepared to OEM-equivalent standards. Always verify component compatibility with your specific LB7 and add new gaskets/fasteners as needed.
Q: Will this fit my 2005–2007 LLY or LBZ?
A: No. This listing is specifically for LB7 (2001–2004). For other Duramax generations, see our Duramax category.
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Specifications
| Manufacturer | Industrial Injection |
|---|---|
| Part Number | PDM-LB7SHN |
| Engine | GM 6.6L Duramax LB7 |
| Years | 2001–2004 |
| Configuration | Stock replacement cylinder heads |
| UPC | — (Contact us to confirm UPC) |
