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AAM 40106100 Premium Stamped Steel Differential Cover, GM 11.5
American Axle & Manufacturing

AAM 40106100 Premium Stamped Steel Differential Cover, GM 11.5" Axle

$64.54 In Stock Sold out
SKU: 40106100
Categories:

FAST DELIVERY

100% ORIGINAL AND QUALITY

EASY RETURN

  • Description
  • Fitment
  • Warranty and Refund
  • Reviews

The American Axle & Manufacturing 40106100 is a premium stamped steel differential cover built specifically for GM 11.5" rear axles found on a wide range of Chevrolet Silverado and GMC Sierra 2500/3500 trucks from 2001-2019, including diesel Duramax applications through the L5P. As a differential cover, this component protects internal gear components while sealing in gear oil, making it an essential part for maintaining axle health on heavy-duty trucks that see towing and hauling duty. Sourced through American Axle & Manufacturing, a name closely tied to GM driveline components, this cover is offered as a new, released part ready for immediate installation. With broad application coverage across 87 listed configurations spanning multiple engine options, this cover simplifies sourcing for shops and truck owners servicing GM 11.5" axle housings. Backed by a limited manufacturer warranty, it's a straightforward replacement solution for a critical differential wear component.

Features

  • Stamped steel construction offers a durable cover option for demanding axle service conditions.
  • Premium-grade designation supports confidence in fit and finish for GM 11.5" axle applications.
  • Covers 87 verified GM truck applications from 2001-2019, simplifying parts lookup.
  • Ships as a single-unit, one-per-application part for straightforward ordering.
  • New, released part status ensures it's currently available for direct replacement.

Application Summary

2001-2003, 2005-2006 Chevrolet Silverado 3500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2001-2004 Chevrolet Silverado 2500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2001-2004 GMC Sierra 2500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2001-2006 GMC Sierra 3500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2001-2006, 2008-2010, 2019 GMC Sierra 2500 HD 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2001-2011 Chevrolet Silverado 2500 HD 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2004 Chevrolet Silverado 3500 6.6L 6599CC 403CID V8 OHV 32 Valve Turbocharged DIESEL
2007 Chevrolet Silverado 3500 Classic 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2007 GMC Sierra 2500 HD Classic 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2007 GMC Sierra 3500 Classic 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2007, 2011, 2014, 2016 GMC Sierra 2500 HD 6.6L 6599CC 403CID V8 OHV 32 Valve Turbocharged DIESEL
2007-2011 GMC Sierra 3500 HD 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2007-2011, 2019 Chevrolet Silverado 3500 HD 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2012-2013, 2015, 2017-2018 GMC Sierra 2500 HD 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated FLEX
2012-2013, 2017-2018 Chevrolet Silverado 3500 HD 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated FLEX
2012-2013, 2017-2018 GMC Sierra 3500 HD 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated FLEX
2012-2018 Chevrolet Silverado 2500 HD 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated FLEX
2014-2016 Chevrolet Silverado 3500 HD 6.6L 6599CC 403CID V8 OHV 32 Valve Turbocharged DIESEL
2014-2016, 2019 GMC Sierra 3500 HD 6.6L 6599CC 403CID V8 OHV 32 Valve Turbocharged DIESEL
2019 Chevrolet Silverado 2500 HD 6.6L 6599CC 403CID V8 OHV 32 Valve Turbocharged DIESEL
Part Numbers: 40106100

Specifications

  • Brand: American Axle & Manufacturing
  • Part Number: 40106100
  • Part Type: Differential Cover
  • GTIN: 00840382502958
  • Package Dimensions: 14.0000 x 14.5000 x 3.5000 IN
  • Package Weight: 4.9000 PG
  • Package Quantity: 1 EA
  • Filler Plug Included: No
  • Finish: Stamped Steel
  • Gasket Or Seal Included: No
  • Grade Type: Premium
  • Mounting Bolt Hole Quantity: 14
  • Mounting Bolts Included: No

Warranty

  • Warranty Type: Limited
  • Warranty Duration: 1X 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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