Main Image - Gear Box Pitman & Idler Arms Kit
Gear Box - 1421GB
Idler Arm - K6535
Pitman Arm - K6654

Gear Box Pitman Idler Arms Suspension Kit

#3GS473029

$311.11 $295.55

Estimated Delivery Friday 17 April
* Delivery times are estimates and may vary depending on location

Kit Component Parts

Quantity Name Part Number
1 Gear Box 1421GB
1 Idler Arm K6535
1 Pitman Arm K6654

Specifications & Details

Specifications:

Brand: Detroit Axle
Weight: 37 lbs
Dimensions: 12 × 12 × 6 in

Details:

  • Built under strict quality control standards; Tested for impact, wear and fatigue to ensure quality and durability; Manufactured in ISO9002 Certified facility
  • To Activate your Lifetime Warranty, you must send in your core unit. Call us when you order to get a return shipping label for your old unit

Compatible Vehicles

Chevrolet

Avalanche 2500

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additional chart details

Year Make Model Submodel Steering Type Note
2002-2004 Chevrolet Avalanche 2500 Base Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2005-2006 Chevrolet Avalanche 2500 LS Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2005-2006 Chevrolet Avalanche 2500 LT Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft

Silverado 1500 HD

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additional chart details

Year Make Model Submodel Steering Type Note
2002-2003 Chevrolet Silverado 1500 HD LS Gear Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2002-2003 Chevrolet Silverado 1500 HD LT Gear Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft

Silverado 2500

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additional chart details

Year Make Model Submodel Steering Type Note
2000-2004 Chevrolet Silverado 2500 400 SS Gear Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2000-2004 Chevrolet Silverado 2500 Base Gear Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2000 Chevrolet Silverado 2500 Cheyenne Gear Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2000 Chevrolet Silverado 2500 Custom Gear Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2000-2004 Chevrolet Silverado 2500 LS Gear Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2000-2004 Chevrolet Silverado 2500 LT Gear Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2004 Chevrolet Silverado 2500 WT Gear Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft

Silverado 2500 HD

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additional chart details

Year Make Model Submodel Steering Type Note
2001-2005 Chevrolet Silverado 2500 HD Base Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2001-2006 Chevrolet Silverado 2500 HD LS Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2001-2010 Chevrolet Silverado 2500 HD LT Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2003-2010 Chevrolet Silverado 2500 HD WT Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2007-2010 Chevrolet Silverado 2500 HD LTZ Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft

Silverado 3500

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additional chart details

Year Make Model Submodel Steering Type Note
2001-2007 Chevrolet Silverado 3500 Base Gear Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2001-2004 Chevrolet Silverado 3500 HD Gear Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2001-2006 Chevrolet Silverado 3500 LS Gear Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2001-2006 Chevrolet Silverado 3500 LT Gear Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2004 Chevrolet Silverado 3500 WT Gear Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2006 Chevrolet Silverado 3500 HD Gear Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2006 Chevrolet Silverado 3500 WT Gear Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft

Silverado 3500 HD

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additional chart details

Year Make Model Submodel Steering Type Note
2007-2010 Chevrolet Silverado 3500 HD LT Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2007-2010 Chevrolet Silverado 3500 HD LTZ Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2007-2010 Chevrolet Silverado 3500 HD WT Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft

Suburban 2500

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additional chart details

Year Make Model Submodel Steering Type Note
2001 Chevrolet Suburban 2500 Base Gear Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2001-2010 Chevrolet Suburban 2500 LS Gear Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2001-2010 Chevrolet Suburban 2500 LT Gear Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2007 Chevrolet Suburban 2500 LTZ Gear Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2010 Chevrolet Suburban 2500 Base Gear Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft

GMC

Sierra 1500 HD

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additional chart details

Year Make Model Submodel Steering Type Note
2002-2003 GMC Sierra 1500 HD SLE Gear Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2002-2003 GMC Sierra 1500 HD SLT Gear Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft

Sierra 2500

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additional chart details

Year Make Model Submodel Steering Type Note
2000-2002 GMC Sierra 2500 SL Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2000-2004 GMC Sierra 2500 SLE Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2000-2004 GMC Sierra 2500 SLT Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2002-2004 GMC Sierra 2500 Base Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2003-2004 GMC Sierra 2500 WT Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft

Sierra 2500 HD

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additional chart details

Year Make Model Submodel Steering Type Note
2001-2002 GMC Sierra 2500 HD SL Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2001-2010 GMC Sierra 2500 HD SLE Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2001-2010 GMC Sierra 2500 HD SLT Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2002-2005 GMC Sierra 2500 HD Base Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2003-2010 GMC Sierra 2500 HD WT Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2006 GMC Sierra 2500 HD SL Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft

Sierra 3500

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additional chart details

Year Make Model Submodel Steering Type Note
2001-2002 GMC Sierra 3500 SL Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2001-2006 GMC Sierra 3500 SLE Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2001-2006 GMC Sierra 3500 SLT Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2002-2005 GMC Sierra 3500 Base Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2004-2006 GMC Sierra 3500 WT Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2006 GMC Sierra 3500 SL Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft

Sierra 3500 HD

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additional chart details

Year Make Model Submodel Steering Type Note
2007-2010 GMC Sierra 3500 HD SLE Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2007-2010 GMC Sierra 3500 HD SLT Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2007-2010 GMC Sierra 3500 HD WT Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft

Yukon XL 2500

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additional chart details

Year Make Model Submodel Steering Type Note
2001-2010 GMC Yukon XL 2500 SLE Gear Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2001-2010 GMC Yukon XL 2500 SLT Gear Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft

Hummer

H2

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additional chart details

Year Make Model Submodel Steering Type Note
2003-2007 Hummer H2 Base Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2005-2007 Hummer H2 Adventure Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2005-2007 Hummer H2 Luxury Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft
2007 Hummer H2 Special Edition Not for Frame Bracket; Pitman Arm with 3-Groove Spline; Gearbox Spline Count-33 Splines and 3 Blanks on Sector Shaft

Warranty

LIFETIME WARRANTY - SEE WARRANTY DOCUMENT FOR DETAILS

Parts Covered by Lifetime Warranty CV Axles (Remanufactured): CV Axle Shaft Assemblies rebuilt from OEM Gear Boxes (Remanufactured): Gear Box Assemblies rebuilt from OEM Racks & Pinions (Remanufactured): Rack & Pinion Assemblies rebuilt from OEM