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AAM 40048044 Loaded Open Differential Carrier, GM 8.6
American Axle & Manufacturing

AAM 40048044 Loaded Open Differential Carrier, GM 8.6" Axle 99-18

$299.04 In Stock Sold out
SKU: 40048044
Categories:

FAST DELIVERY

100% ORIGINAL AND QUALITY

EASY RETURN

  • Description
  • Fitment
  • Warranty and Refund
  • Reviews

Keep your GM truck or SUV's rear axle running smoothly with the American Axle & Manufacturing 40048044 loaded open differential carrier. Built for the GM 8.6 inch axle used across 1999-2018 Chevrolet, GMC, Cadillac, Buick, and Isuzu trucks and SUVs, this carrier comes pre-loaded with internal gears rated for 2.73 and higher ratios, simplifying installation compared to piecing together individual components. With a 1.78 inch hub diameter, it's designed to fit correctly into applications spanning Suburban, Avalanche, Escalade, Silverado, Colorado, and more. For older 30-spline axle setups from 1971-1998 needing service, AAM notes the correct bearing (LM102949) and race (LM102911) combination, or the convenience of Master Bearing Kit 74067026. Backed by a straightforward one-year limited warranty and shipped ready to install, this carrier gives GM axle owners a dependable, application-specific replacement option sourced from a name trusted in driveline manufacturing.

Features

  • Loaded open carrier design saves assembly time versus sourcing gears and carrier separately
  • Internal gears rated for 2.73 and higher ratios support common GM axle setups
  • Fits GM 8.6 inch rear axles across 1999-2018 model years for broad application coverage
  • 1.78 inch hub diameter with documented bearing/race cross-reference for older 30-spline axle service
  • One-year limited warranty backs your purchase for added installation confidence

Application Summary

1995-1996 Chevrolet Silverado 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1997-1999 Chevrolet Silverado 4.0L 3990CC 243CID L4 OHV 8 Valve Naturally Aspirated DIESEL
1999 Chevrolet C1500 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS
1999 Chevrolet C1500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1999 Chevrolet C2500 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS
1999 Chevrolet K1500 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS
1999 Chevrolet K1500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1999 Chevrolet Suburban 1500 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1999 Chevrolet Tahoe 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1999 GMC C1500 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS
1999 GMC C2500 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS
1999 GMC K1500 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS
1999 GMC Yukon 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1999-2000 Cadillac Escalade 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1999-2000 GMC Sonoma 2.2L 2190CC 134CID L4 OHV 8 Valve Naturally Aspirated GAS
1999-2002, 2020 Chevrolet Silverado 1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
1999-2003 GMC Jimmy 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
1999-2003, 2005-2006 GMC Sierra 1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
1999-2006, 2011-2012 Chevrolet Express 1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
1999-2007, 2011-2012, 2014 GMC Savana 1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
2000 Chevrolet C1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
2000 Chevrolet C2500 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
2000 GMC C2500 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
2000-2002, 2004 Chevrolet Tahoe 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
2000-2002, 2004-2005 GMC Yukon 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
2000-2003, 2005-2006, 2008 GMC Yukon XL 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2000-2003, 2006, 2008-2009 Chevrolet Suburban 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2001, 2003-2004 GMC Sonoma 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
2001-2003, 2005-2006 Chevrolet Silverado 1500 HD 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2001-2003, 2005-2006 GMC Sierra 1500 HD 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2002 GMC Sonoma 2.2L 2190CC 134CID L4 OHV 8 Valve Naturally Aspirated FLEX
2002-2005, 2007-2009 GMC Envoy 4.2L -CC 256CID L6 DOHC 24 Valve Naturally Aspirated GAS
2002-2006 Cadillac Escalade 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2002-2006 Cadillac Escalade EXT 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2002-2006 Chevrolet Avalanche 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2003, 2005-2006 Chevrolet Silverado 1500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2003, 2005-2007, 2014-2018 Chevrolet Tahoe 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2003, 2006-2007, 2014 GMC Yukon 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2003-2004 Isuzu Ascender 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2003-2006 Cadillac Escalade ESV 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2004 GMC Sierra 1500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2004, 2007 GMC Yukon XL 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2004, 2007-2009 Chevrolet Silverado 1500 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
2004-2005 GMC Jimmy 4.3L 4294CC -CID V6 OHV 12 Valve Naturally Aspirated GAS
2004-2005, 2007, 2010-2014 Chevrolet Suburban 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2004-2006 Chevrolet Colorado 2.8L 2770CC 169CID L4 DOHC 16 Valve Naturally Aspirated GAS
2004-2006 GMC Canyon 2.8L 2770CC 169CID L4 DOHC 16 Valve Naturally Aspirated GAS
2004-2007 Buick Rainier 4.2L -CC 256CID L6 DOHC 24 Valve Naturally Aspirated GAS
2005, 2007 Saab 9-7x 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2005-2008 Isuzu Ascender 4.2L -CC 256CID L6 DOHC 24 Valve Naturally Aspirated GAS
2006 GMC Envoy 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2006 Hummer H3 3.5L 3460CC 211CID L5 DOHC 20 Valve Naturally Aspirated GAS
2006, 2008-2009 Saab 9-7x 4.2L -CC 256CID L6 DOHC 24 Valve Naturally Aspirated GAS
2007 Chevrolet Colorado 3.7L 3654CC 223CID L5 DOHC 20 Valve Naturally Aspirated GAS
2007 Chevrolet Silverado 1500 Classic 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
2007 GMC Sierra 1500 Classic 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
2007 GMC Sierra 1500 HD Classic 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2007, 2010-2013 Chevrolet Avalanche 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2007-2008 Cadillac Escalade 6.2L 6162CC 376CID V8 OHV 16 Valve Naturally Aspirated GAS
2007-2008 Cadillac Escalade ESV 6.2L 6162CC 376CID V8 OHV 16 Valve Naturally Aspirated GAS
2007-2008 Cadillac Escalade EXT 6.2L 6162CC 376CID V8 OHV 16 Valve Naturally Aspirated GAS
2007-2008, 2010 GMC Canyon 2.9L 2921CC 178CID L4 DOHC 16 Valve Naturally Aspirated GAS
2007-2009 Chevrolet Express 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2007-2009 GMC Sierra 1500 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
2007-2009 Hummer H3 3.7L 3654CC 223CID L5 DOHC 20 Valve Naturally Aspirated GAS
2007-2009, 2015-2016 GMC Sierra 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2008 Chevrolet Tahoe 6.2L 6162CC 376CID V8 OHV 16 Valve Naturally Aspirated GAS
2008 GMC Yukon 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2008-2009 Chevrolet Avalanche 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2008-2009 GMC Savana 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2008-2010 Chevrolet Colorado 2.9L 2921CC 178CID L4 DOHC 16 Valve Naturally Aspirated GAS
2009 Chevrolet Tahoe 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2009, 2011-2012 GMC Canyon 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2009-2013 Cadillac Escalade EXT 6.2L 6162CC 376CID V8 OHV 16 Valve Naturally Aspirated FLEX
2009-2013, 2015-2018 GMC Yukon 6.2L 6162CC 376CID V8 OHV 16 Valve Naturally Aspirated FLEX
2009-2014 GMC Yukon XL 1500 6.2L 6162CC 376CID V8 OHV 16 Valve Naturally Aspirated FLEX
2009-2018 Cadillac Escalade 6.2L 6162CC 376CID V8 OHV 16 Valve Naturally Aspirated FLEX
2009-2018 Cadillac Escalade ESV 6.2L 6162CC 376CID V8 OHV 16 Valve Naturally Aspirated FLEX
2010 Hummer H3 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2010, 2013 GMC Savana 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2010, 2013-2014 Chevrolet Express 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2010-2013 Chevrolet Silverado 1500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated FULL HYBRID EV-FLEX (FHEV)
2010-2013 Chevrolet Tahoe 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated FULL HYBRID EV-FLEX (FHEV)
2010-2013 GMC Sierra 1500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated FULL HYBRID EV-FLEX (FHEV)
2010-2013, 2017 GMC Sierra 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2011-2012 Chevrolet Colorado 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2014 GMC Sierra 1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated FLEX
2014, 2016, 2018 Chevrolet Silverado 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2014, 2018 GMC Sierra 6.2L 6162CC 376CID V8 OHV 16 Valve Naturally Aspirated GAS
2014-2018 Chevrolet Suburban 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2015 Chevrolet Silverado 1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated FLEX
2015-2017 GMC Sierra 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2015-2018 GMC Canyon 2.5L 2457CC 153CID L4 DOHC 16 Valve Naturally Aspirated GAS
2015-2018 GMC Yukon XL 6.2L 6162CC 376CID V8 OHV 16 Valve Naturally Aspirated FLEX
2017 Chevrolet Silverado 1500 6.2L 6162CC 376CID V8 OHV 16 Valve Naturally Aspirated GAS
2018 GMC Sierra 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2019 Chevrolet Silverado 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
Part Numbers: 40048044

Specifications

  • Brand: American Axle & Manufacturing
  • Part Number: 40048044
  • Part Type: Differential Carrier
  • GTIN: 00840382500169
  • Package Dimensions: 9.5000 x 9.5000 x 11.0000 IN
  • Package Weight: 19.9780 PG
  • Package Quantity: 1 BX
  • Axle Shaft Spline Quantity: 30
  • Bearings Included: No

Warranty

  • Warranty Type: Limited
  • Warranty Duration: 1 Years
  • Warranty Description: Limited, see demandaam.com

Returns

30-Day Money-Back Guarantee

We want you to be completely satisfied with your purchase! If you are not happy for any reason, you may return the item within 30 days for a refund, minus shipping fees, provided that: The part is brand new, uninstalled, and undamaged in any way.

To initiate a return, please contact us or email support@mizumoauto.com for a Return Authorization Number (RMA) and the return shipping address. Returns without an RMA number will be refused and returned to you at your expense.

Return Requirements:

  • Items must be securely packed in the original manufacturer's packaging.
  • All original materials must be included, such as hardware, manuals, protective caps, wrapping, and instructions.
  • You must obtain and retain the tracking number for your return.

Non-Returnable Items:

  • Piston rings, main bearings, and rod bearings are non-returnable if the manufacturer’s seal or shrink-wrapped plastic has been opened. No exceptions—this ensures the integrity of the parts you receive.

We are not responsible for lost or damaged returns. If your return is lost or damaged during shipping, a refund cannot be issued, as the item cannot be resold or returned to the supplier. Please file a claim directly with your shipping carrier for reimbursement.

Refunds are processed within 1-2 business days after we receive and inspect the returned item. Please allow this processing time before inquiring about your refund status.

 

Warranty

Mizumo Auto provides a 90-day Limited Warranty against defects in workmanship and materials under normal service conditions, effective from the original delivery date.

This warranty is non-transferable and applies only to the original purchaser. Coverage is limited to the replacement or refund of defective products.

Exclusions:

The warranty does not cover labor costs, damage resulting from accidents, misuse, alterations, or unauthorized modifications, as well as additional expenses such as towing, fluids, oils, car rentals, and any other parts not included in the original purchase.

Warranty Claims Process:

  • All warranty claims must be pre-authorized and returned prepaid to Mizumo Auto for inspection and approval.
  • No exchanges will be made for products that have been damaged, misused, or improperly installed. We strongly recommend professional installation.
  • The buyer assumes all risk of damage resulting from improper installation.

All disputes related to transactions shall be resolved by a court of competent jurisdiction in Los Angeles County, California.

 

Shipping

We offer Free UPS Ground or USPS Ground Advantage shipping within the continental U.S. (48 states).

Shipping to Other Locations:

A delivery surcharge applies to shipments to: Alaska, Hawaii, Puerto Rico, U.S. territories, APO/FPO addresses, Canada, and international destinations.

Order Processing & Tracking:

  • Orders are shipped Monday through Friday, excluding holidays.
  • Orders placed before 3:00 PM PST will ship the same day, unless unexpected delays occur.
  • A tracking number will be emailed within one business day after shipping.

If you do not receive a tracking number, please:

  • Check your spam/junk folder.
  • If it's not there, contact us via phone or eBay message for assistance.

International Orders:

Import duties, taxes, and brokerage fees are not included in the shipping fee. Please check with your shipping carrier and local customs office regarding any applicable fees before placing your order.

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