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88963607 Genuine GM Power Steering Pump Assembly For Silverado Sierra 6.6L

P/N: 88963607 Manufactured by: GM
Original price $640.00 - Original price $640.00
Original price
$640.00
$640.00 - $640.00
Current price $640.00
3 in Stock
Condition: New
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Description

The 88963607 power steering pump assembly is a factory GM component designed to produce the correct hydraulic pressure for steering assist operation. It supports consistent fluid flow and proper steering control on Silverado and Sierra models equipped with the 6.6L engine.

Vehicle Compatibility

Year Vehicle Engine Trims
2007 Chevrolet Silverado 2500 HD 6.6L V8 Diesel LT, LTZ, WT
2007 Chevrolet Silverado 2500 HD Classic 6.6L V8 Diesel LS, LT, WT
2007 Chevrolet Silverado 3500 Classic 6.6L V8 Diesel LS, LT, WT
2007 Chevrolet Silverado 3500 HD 6.6L V8 Diesel LT, LTZ, WT
2007 GMC Sierra 2500 HD 6.6L V8 Diesel SLE, SLT, WT
2007 GMC Sierra 2500 HD Classic 6.6L V8 Diesel SL, SLE, SLT, WT
2007 GMC Sierra 3500 Classic 6.6L V8 Diesel SL, SLE, SLT, WT
2007 GMC Sierra 3500 HD 6.6L V8 Diesel SLE, SLT, WT
2006 Chevrolet Silverado 2500 HD 6.6L V8 Diesel LS, LT, WT
2006 Chevrolet Silverado 3500 6.6L V8 Diesel LS, LT, WT
2006 Chevrolet Suburban 2500 6.0L V8 Gas LS, LT
2006 GMC Sierra 2500 HD 6.6L V8 Diesel SL, SLE, SLT, WT
2006 GMC Sierra 3500 6.6L V8 Diesel SL, SLE, SLT, WT
2006 GMC Yukon XL 2500 6.0L V8 Gas SLE, SLT
2005 Chevrolet Silverado 2500 HD 6.6L V8 Diesel Base, LS, LT, WT
2005 Chevrolet Silverado 3500 6.6L V8 Diesel Base, LS, LT
2005 Chevrolet Suburban 2500 6.0L V8 Gas LS, LT
2005 GMC Sierra 2500 HD 6.6L V8 Diesel Base, SLE, SLT, WT
2005 GMC Sierra 3500 6.6L V8 Diesel Base, SLE, SLT, WT
2005 GMC Yukon XL 2500 6.0L V8 Gas SLE, SLT
2004 Chevrolet Silverado 2500 HD 6.6L V8 Diesel Base, LS, LT, WT
2004 Chevrolet Silverado 3500 6.6L V8 Diesel Base, LS, LT, WT
2004 Chevrolet Suburban 2500 6.0L V8 Gas LS, LT
2004 GMC Sierra 2500 HD 6.6L V8 Diesel Base, SLE, SLT, WT
2004 GMC Sierra 3500 6.6L V8 Diesel Base, SLE, SLT, WT
2004 GMC Yukon XL 2500 6.0L V8 Gas SLE, SLT
2003 Chevrolet Silverado 2500 HD 6.6L V8 Diesel Base, LS, LT
2003 Chevrolet Silverado 3500 6.6L V8 Diesel Base, LS, LT
2003 Chevrolet Suburban 2500 6.0L V8 Gas LS, LT
2003 GMC Sierra 2500 HD 6.6L V8 Diesel Base, SLE, SLT, WT
2003 GMC Sierra 3500 6.6L V8 Diesel Base, SLE, SLT
2003 GMC Yukon XL 2500 6.0L V8 Gas SLE, SLT
2002 Chevrolet Silverado 2500 HD 6.6L V8 Diesel Base, LS, LT
2002 Chevrolet Silverado 3500 6.6L V8 Diesel Base, LS, LT
2002 GMC Sierra 2500 HD 6.6L V8 Diesel Base, SL, SLE, SLT
2002 GMC Sierra 3500 6.6L V8 Diesel Base, SL, SLE, SLT
2001 Chevrolet Silverado 2500 HD 6.6L V8 Diesel Base, LS, LT
2001 Chevrolet Silverado 3500 6.6L V8 Diesel Base, LS, LT
2001 GMC Sierra 2500 HD 6.6L V8 Diesel SL, SLE, SLT
2001 GMC Sierra 3500 6.6L V8 Diesel SL, SLE, SLT


General Specifications

Condition New
Part Number 88963607
Brand GM
Part Type Power Steering Pump Assembly
Years 2001–2007
Dimensions 10.0 x 9.4 x 9.5 inches
Weight 12.20 lb


Product Features

The 88963607 power steering pump assembly is engineered to meet factory steering system performance requirements:

  • Built for Silverado and Sierra models with 6.6L engine applications
  • Maintains consistent hydraulic pressure for steering assist function
  • Aligns with OEM mounting points for proper installation fit
  • Supports controlled fluid circulation through the steering system
  • Ensures correct interface with factory hoses and fittings
  • Operates within original system pressure and flow specifications

Application Notes

The 88963607 power steering pump assembly is intended for vehicles equipped with the factory steering system used on 2001–2007 Silverado and Sierra models with a 6.6L engine. After installation, the system must be properly filled and bled to remove air and restore steering performance.

Always verify part number, engine configuration, and steering system type before installation.

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