DT660043 is a new fuel injection line for cylinders 2 and 7 on the GM 6.6L Duramax LBZ and LMM. It is part of the DTECH line sold by Alliant Power.
Alliant lists it for 2006 to 2010 Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD, 2007 to 2010 Silverado 3500 HD and Sierra 3500 HD, and the 2007 Silverado 2500 HD Classic and 3500 Classic. DTech’s catalog lists some 2006 pickups with the LLY instead of the LBZ, so check the engine on a 2006.
Confirm Fitment Before You Order
Call 530-668-0818 with your VIN or engine serial number and we will confirm it is the right part before anything ships.
Specifications
| Part number | DT660043 |
|---|---|
| Brand | Alliant Power |
| Condition | New |
| Engine | GM 6.6L Duramax LBZ and LMM |
| Cylinder position | 2 and 7 |
| Model years | 2006 to 2010 |
Fits / Applications
- GM Duramax LBZ and LMM, cylinders 2 and 7
- Chevrolet Silverado 2500 HD (2006 to 2010)
- Chevrolet Silverado 2500 HD Classic (2007)
- Chevrolet Silverado 3500 Classic (2007)
- GMC Sierra 2500 HD (2006 to 2010)
- Chevrolet Silverado 3500 HD (2007 to 2010)
- GMC Sierra 3500 HD (2007 to 2010)
Part Numbers & Cross Reference
Frequently Asked Questions
Which cylinders does DT660043 fit?
Alliant lists it for cylinders 2 and 7 on the Duramax LBZ and LMM.
Which trucks is it listed for?
Alliant lists 2006 to 2010 Silverado 2500 HD and Sierra 2500 HD, 2007 to 2010 Silverado 3500 HD and Sierra 3500 HD, and the 2007 Silverado 2500 HD Classic and 3500 Classic, all with the LBZ or LMM.
How do I check a 2006 truck?
Look at the eighth character of the VIN. DTech’s catalog lists 2006 pickups with either the LBZ (D) or the LLY (2). Alliant lists DT660043 for the LBZ and LMM, so call with your VIN if it is not a D.
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