FAST DELIVERY
AAM 40007173 4WD Actuator Motor - GM 7.25/8.25/9.25 Axles
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
Keep your four-wheel-drive system engaging reliably with the American Axle & Manufacturing 40007173 4WD Actuator Motor. Built to fit GM 7.25 in., 8.25 in., and 9.25 in. axle setups, this actuator covers a wide range of applications including AM General Hummer, Cadillac Escalade, and Chevrolet Silverado and Avalanche models. As a new component from AAM, a name closely tied to GM driveline systems, it's designed to be a straightforward, correct-fit replacement for a failing or worn 4WD actuator. The black-finished housing uses a female blade pin connector for simple electrical hookup during installation. With verified fitment spanning model years from 1988 through 2019 and 150 listed vehicle applications, this part helps take the guesswork out of sourcing a replacement actuator for your specific GM truck or SUV.
Notes
Four Wheel Drive Actuator Motor, GM 7.25 in., 8.25 in., 9.25 in. Axles
Features
- Fits GM 7.25 in., 8.25 in., and 9.25 in. axle configurations for broad application coverage
- New condition part ready to install without core exchange concerns
- Female blade pin electrical connector simplifies wiring hookup during replacement
- Verified fitment across 150 listed applications spanning 1988-2019 model years
- Compact, lightweight design (0.5 lb) for straightforward handling and installation
Application Summary
1988-1990, 1996, 1998 Chevrolet K2500 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS1988-2000 Chevrolet K3500 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1991-1995 Chevrolet K2500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
1992-1993 AM General Hummer 6.2L -CC 379CID V8 OHV 16 Valve Naturally Aspirated DIESEL
1992-1993, 1995-1999 Chevrolet K1500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1992-1993, 1996-1999 GMC Yukon 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1992-1999 Chevrolet K2500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1994 Chevrolet K1500 Suburban 6.5L -CC 395CID V8 OHV 16 Valve Turbocharged DIESEL
1994, 1997-1998 AM General Hummer 6.5L -CC 395CID V8 OHV 16 Valve Naturally Aspirated DIESEL
1994-1995 GMC Yukon 6.5L -CC 395CID V8 OHV 16 Valve Turbocharged DIESEL
1995 Chevrolet Tahoe 6.5L -CC 395CID V8 OHV 16 Valve Turbocharged DIESEL
1995-1996 AM General Hummer 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1996-1999 Chevrolet Tahoe 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1997 GMC K1500 6.5L -CC 395CID V8 OHV 16 Valve Turbocharged DIESEL
1997, 1999-2000 Chevrolet K2500 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1997-1998 Chevrolet K1500 6.5L -CC 395CID V8 OHV 16 Valve Turbocharged DIESEL
1997-1999 Chevrolet Silverado 4.0L 3990CC 243CID L4 OHV 8 Valve Naturally Aspirated DIESEL
1997-1999 GMC K1500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1997-1999 GMC K2500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1998 GMC K1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
1999 Chevrolet K1500 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 Sierra 2500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
1999, 2005, 2014-2018 Chevrolet Silverado 2500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
1999-2000 Cadillac Escalade 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1999-2001 AM General Hummer 6.5L -CC 395CID V8 OHV 16 Valve Turbocharged DIESEL
1999-2002 Chevrolet Silverado 1500 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
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, 2005-2009 Chevrolet Suburban 2500 6.0L 5967CC 364CID 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
2000-2004 Chevrolet Silverado 2500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2000-2004 GMC Sierra 2500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2000-2004, 2006-2009 GMC Yukon XL 2500 6.0L 5967CC 364CID V8 OHV 16 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 Chevrolet Silverado 3500 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
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
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
2002-2006 Chevrolet Avalanche 2500 8.1L -CC 496CID 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 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
2003-2006 Cadillac Escalade ESV 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
2004 Chevrolet Suburban 2500 8.1L -CC 496CID 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, 2007, 2010-2014 Chevrolet Suburban 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2005 GMC Yukon XL 2500 8.1L -CC 496CID V8 OHV 16 Valve Naturally Aspirated GAS
2006-2009 Chevrolet Silverado 2500 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
2007 Chevrolet Silverado 1500 Classic 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
2007 Chevrolet Silverado 1500 HD Classic 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2007 Chevrolet Silverado 3500 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
2007 GMC Sierra 1500 HD 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, 2010-2013 Chevrolet Avalanche 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2007, 2011, 2014, 2016 GMC Sierra 2500 HD 6.6L 6599CC 403CID V8 OHV 32 Valve Turbocharged DIESEL
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
2007-2009 GMC Sierra 1500 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
2007-2009, 2015 GMC Sierra 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
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
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
2009 Chevrolet Tahoe 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 GMC Yukon 6.2L 6162CC 376CID V8 OHV 16 Valve Naturally Aspirated FLEX
2009-2014 Cadillac Escalade 6.2L 6162CC 376CID V8 OHV 16 Valve Naturally Aspirated FLEX
2009-2014 Cadillac Escalade ESV 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
2010-2013 Chevrolet Silverado 1500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated FULL HYBRID EV-FLEX (FHEV)
2010-2013 Chevrolet Silverado 2500 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated FLEX
2010-2013 Chevrolet Suburban 2500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated FLEX
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 GMC Sierra 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2010-2013 GMC Yukon XL 2500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated FLEX
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 GMC Sierra 6.2L 6162CC 376CID V8 OHV 16 Valve Naturally Aspirated GAS
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 1500 LD 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2019 Chevrolet Silverado 2500 HD 6.6L 6599CC 403CID V8 OHV 32 Valve Turbocharged DIESEL
Specifications
- Brand: American Axle & Manufacturing
- Part Number: 40007173
- Part Type: 4WD Actuator
- GTIN: 00840382502767
- Package Dimensions: 6.5000 x 5.0000 x 5.0000 IN
- Package Weight: 0.5000 PG
- Package Quantity: 1 EA
- Connector Gender: Female
- Connector Shape: Square
- Terminal Gender: Male
- Terminal Quantity: 5
- Terminal Type: Blade Pin
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.









