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Thumbnail Filmstrip of 2004.5-2016 6.6L LLY / LBZ / LMM / LML Duramax Water Pump Housing Alliant AP63508 Images
The Alliant Power AP63508 is a new water pump housing for 2004.5–2016 GM 6.6L LLY, LBZ, LMM and LML Duramax applications.
Features & Benefits
- New Alliant Power Water Pump Housing (Alliant P/N AP63508)
- Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
- Backed by Alliant Power’s 24-month, unlimited-mileage warranty
Application
- Chevrolet Silverado 2500 HD / 3500 and GMC Sierra 2500 HD / 3500 with the 6.6L LLY Duramax (2004.5–2005)
- Chevrolet Silverado 3500 (2006)
- Chevrolet Silverado 2500 HD (2006–2016)
- GMC Sierra 3500 (2006)
- GMC Sierra 2500 HD (2006–2016)
- Chevrolet Silverado 3500 Classic / Silverado 2500 HD Classic (2007)
- Chevrolet Silverado 3500 HD (2007–2016)
- GMC Sierra 3500 Classic / Sierra 2500 HD Classic (2007)
- GMC Sierra 3500 HD (2007–2016)
- Alliant Power lists additional vehicle applications for this part number
Always verify fitment against your VIN, engine, and OE part number before ordering.
Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).
The Alliant Power AP63508 is a new water pump housing for 2004.5–2016 GM 6.6L LLY, LBZ, LMM and LML Duramax applications.
Features & Benefits
New Alliant Power Water Pump Housing (Alliant P/N AP63508)
Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
Backed by Alliant Power’s 24-month, unlimited-mileage warranty
Application
Chevrolet Silverado 2500 HD / 3500 and GMC Sierra 2500 HD / 3500 with the 6.6L LLY Duramax (2004.5–2005)
Chevrolet Silverado 3500 (2006)
Chevrolet Silverado 2500 HD (2006–2016)
GMC Sierra 3500 (2006)
GMC Sierra 2500 HD (2006–2016)
Chevrolet Silverado 3500 Classic / Silverado 2500 HD Classic (2007)
Chevrolet Silverado 3500 HD (2007–2016)
GMC Sierra 3500 Classic / Sierra 2500 HD Classic (2007)
GMC Sierra 3500 HD (2007–2016)
Alliant Power lists additional vehicle applications for this part number
Always verify fitment against your VIN, engine, and OE part number before ordering.
Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).[...]
The Alliant Power AP63508 is a new water pump housing for 2004.5–2016 GM 6.6L LLY, LBZ, LMM and LML Duramax applications.
Features & Benefits
- New Alliant Power Water Pump Housing (Alliant P/N AP63508)
- Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
- Backed by Alliant Power’s 24-month, unlimited-mileage warranty
Application
- Chevrolet Silverado 2500 HD / 3500 and GMC Sierra 2500 HD / 3500 with the 6.6L LLY Duramax (2004.5–2005)
- Chevrolet Silverado 3500 (2006)
- Chevrolet Silverado 2500 HD (2006–2016)
- GMC Sierra 3500 (2006)
- GMC Sierra 2500 HD (2006–2016)
- Chevrolet Silverado 3500 Classic / Silverado 2500 HD Classic (2007)
- Chevrolet Silverado 3500 HD (2007–2016)
- GMC Sierra 3500 Classic / Sierra 2500 HD Classic (2007)
- GMC Sierra 3500 HD (2007–2016)
- Alliant Power lists additional vehicle applications for this part number
Always verify fitment against your VIN, engine, and OE part number before ordering.
Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).