Main Image - Gear Box Assembly
Gear Box Assembly - 1421GB
Gear Box Assembly - 1421GB
Gear Box Assembly - 1421GB
Gear Box Assembly - 1421GB
Gear Box Assembly - 1421GB

Specifications & Details

Specifications:

Brand: Detroit Axle
Weight: 30 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 Note
2002-2004 Chevrolet Avalanche 2500 Base 33 Splines and 3 Blanks on Sector Shaft
2005-2006 Chevrolet Avalanche 2500 LS 33 Splines and 3 Blanks on Sector Shaft
2005-2006 Chevrolet Avalanche 2500 LT 33 Splines and 3 Blanks on Sector Shaft

Silverado 1500 HD

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additional chart details

Year Make Model Submodel Note
2002-2003 Chevrolet Silverado 1500 HD LS 33 Splines and 3 Blanks on Sector Shaft
2002-2003 Chevrolet Silverado 1500 HD LT 33 Splines and 3 Blanks on Sector Shaft

Silverado 2500

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additional chart details

Year Make Model Submodel Note
2000-2005 Chevrolet Silverado 2500 400 SS 33 Splines and 3 Blanks on Sector Shaft
2000-2010 Chevrolet Silverado 2500 Base 33 Splines and 3 Blanks on Sector Shaft
2000-2002 Chevrolet Silverado 2500 Cheyenne 33 Splines and 3 Blanks on Sector Shaft
2000-2002 Chevrolet Silverado 2500 Custom 33 Splines and 3 Blanks on Sector Shaft
2000-2004 Chevrolet Silverado 2500 LS 33 Splines and 3 Blanks on Sector Shaft
2000-2004 Chevrolet Silverado 2500 LT 33 Splines and 3 Blanks on Sector Shaft
2004 Chevrolet Silverado 2500 WT 33 Splines and 3 Blanks on Sector Shaft
2007 Chevrolet Silverado 2500 Cheyenne 33 Splines and 3 Blanks on Sector Shaft

Silverado 2500 HD

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additional chart details

Year Make Model Submodel Note
2001-2005 Chevrolet Silverado 2500 HD Base 33 Splines and 3 Blanks on Sector Shaft
2001-2006 Chevrolet Silverado 2500 HD LS 33 Splines and 3 Blanks on Sector Shaft
2001-2010 Chevrolet Silverado 2500 HD LT 33 Splines and 3 Blanks on Sector Shaft
2003-2010 Chevrolet Silverado 2500 HD WT 33 Splines and 3 Blanks on Sector Shaft
2007-2010 Chevrolet Silverado 2500 HD LTZ 33 Splines and 3 Blanks on Sector Shaft

Silverado 3500

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additional chart details

Year Make Model Submodel Note
2001-2010 Chevrolet Silverado 3500 Base 33 Splines and 3 Blanks on Sector Shaft
2001-2004 Chevrolet Silverado 3500 HD 33 Splines and 3 Blanks on Sector Shaft
2001-2006 Chevrolet Silverado 3500 LS 33 Splines and 3 Blanks on Sector Shaft
2001-2006 Chevrolet Silverado 3500 LT 33 Splines and 3 Blanks on Sector Shaft
2004 Chevrolet Silverado 3500 WT 33 Splines and 3 Blanks on Sector Shaft
2006 Chevrolet Silverado 3500 HD 33 Splines and 3 Blanks on Sector Shaft
2006 Chevrolet Silverado 3500 WT 33 Splines and 3 Blanks on Sector Shaft

Silverado 3500 HD

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additional chart details

Year Make Model Submodel Note
2007-2010 Chevrolet Silverado 3500 HD LT 33 Splines and 3 Blanks on Sector Shaft
2007-2010 Chevrolet Silverado 3500 HD LTZ 33 Splines and 3 Blanks on Sector Shaft
2007-2010 Chevrolet Silverado 3500 HD WT 33 Splines and 3 Blanks on Sector Shaft

Suburban 2500

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additional chart details

Year Make Model Submodel Note
2000-2001 Chevrolet Suburban 2500 Base 33 Splines and 3 Blanks on Sector Shaft
2000-2010 Chevrolet Suburban 2500 LS 33 Splines and 3 Blanks on Sector Shaft
2000-2010 Chevrolet Suburban 2500 LT 33 Splines and 3 Blanks on Sector Shaft
2007 Chevrolet Suburban 2500 LTZ 33 Splines and 3 Blanks on Sector Shaft
2009 Chevrolet Suburban 2500 Base 33 Splines and 3 Blanks on Sector Shaft

GMC

Sierra 1500 HD

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additional chart details

Year Make Model Submodel Note
2002-2003 GMC Sierra 1500 HD SLE 33 Splines and 3 Blanks on Sector Shaft
2002-2003 GMC Sierra 1500 HD SLT 33 Splines and 3 Blanks on Sector Shaft

Sierra 2500

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additional chart details

Year Make Model Submodel Note
2000-2002 GMC Sierra 2500 SL 33 Splines and 3 Blanks on Sector Shaft
2000-2004 GMC Sierra 2500 SLE 33 Splines and 3 Blanks on Sector Shaft
2000-2004 GMC Sierra 2500 SLT 33 Splines and 3 Blanks on Sector Shaft
2002-2004 GMC Sierra 2500 Base 33 Splines and 3 Blanks on Sector Shaft
2003-2004 GMC Sierra 2500 WT 33 Splines and 3 Blanks on Sector Shaft

Sierra 2500 HD

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additional chart details

Year Make Model Submodel Note
2001-2002 GMC Sierra 2500 HD SL 33 Splines and 3 Blanks on Sector Shaft
2001-2010 GMC Sierra 2500 HD SLE 33 Splines and 3 Blanks on Sector Shaft
2001-2010 GMC Sierra 2500 HD SLT 33 Splines and 3 Blanks on Sector Shaft
2002-2005 GMC Sierra 2500 HD Base 33 Splines and 3 Blanks on Sector Shaft
2003-2010 GMC Sierra 2500 HD WT 33 Splines and 3 Blanks on Sector Shaft
2006 GMC Sierra 2500 HD SL 33 Splines and 3 Blanks on Sector Shaft

Sierra 3500

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additional chart details

Year Make Model Submodel Note
2001-2002 GMC Sierra 3500 SL 33 Splines and 3 Blanks on Sector Shaft
2001-2006 GMC Sierra 3500 SLE 33 Splines and 3 Blanks on Sector Shaft
2001-2006 GMC Sierra 3500 SLT 33 Splines and 3 Blanks on Sector Shaft
2002-2005 GMC Sierra 3500 Base 33 Splines and 3 Blanks on Sector Shaft
2004-2006 GMC Sierra 3500 WT 33 Splines and 3 Blanks on Sector Shaft
2006 GMC Sierra 3500 SL 33 Splines and 3 Blanks on Sector Shaft

Sierra 3500 HD

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additional chart details

Year Make Model Submodel Note
2007-2010 GMC Sierra 3500 HD SLE 33 Splines and 3 Blanks on Sector Shaft
2007-2010 GMC Sierra 3500 HD SLT 33 Splines and 3 Blanks on Sector Shaft
2007-2010 GMC Sierra 3500 HD WT 33 Splines and 3 Blanks on Sector Shaft

Yukon XL 2500

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additional chart details

Year Make Model Submodel Note
2000-2010 GMC Yukon XL 2500 SLE 33 Splines and 3 Blanks on Sector Shaft
2000-2010 GMC Yukon XL 2500 SLT 33 Splines and 3 Blanks on Sector Shaft

Hummer

H2

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additional chart details

Year Make Model Submodel Note
2003-2007 Hummer H2 Base 33 Splines and 3 Blanks on Sector Shaft
2005-2007 Hummer H2 Adventure 33 Splines and 3 Blanks on Sector Shaft
2005-2007 Hummer H2 Luxury 33 Splines and 3 Blanks on Sector Shaft
2007 Hummer H2 Special Edition 33 Splines and 3 Blanks on Sector Shaft

Warranty

LIFETIME WARRANTY - SEE WARRANTY DOCUMENT FOR DETAILS

Parts Covered by Lifetime Warranty Warranty is effective from the date when we receive your old part (core unit); the old part must be sent to us within 45 days after delivery of the original purchase facilisis. CV Axles (Remanufactured): CV Axle Shaft Assemblies rebuilt from OEM Gear Boxes (Remanufactured): Gear Box Assemblies rebuilt from […]