Below are the ignition coils currently available from AA Ignition. We are constantly adding more ignition coils to our catalog so check back for new products.
4WD Switch 4x4 Transfer Case Button - Replaces 15136039, 15164520, 19259313, 901-072

- REPLACEMENT 4WD SWITCH replaces faulty 4 wheel drive selector switch. This switch is also referred to as a transfer case switch, all wheel drive switch, 4WD switch, four wheel drive, or 4×4 switch. This 4×4 switch is a direct replacement for the factory switch on your Chevrolet Silverado, Tahoe, Suburban, Avalanche, GMC Sierra, Yukon, Yukon XL, or Cadillac Escalade. See model years below.
- REPLACES PART# 15136039, 15164520, 19259313, Dorman 901-072, 901072, 901 072 – While this is not a genuine GM part is a direct replacement for the factory 4WD switch. Fits popular models including – 2003 Yukon, Chevy Silverado 2004, 03 Chevy Silverado, 2006 Chevy Suburban & more – see below for all models
- FITS THE FOLLOWING VEHICLES – 2003 – 2006 Chevy Silverado 1500, 2500 HD| 2003-2006 Chevrolet Suburban & Tahoe | 2003-2006 GMC Yukon, Yukon XL | 2003 – 2006 GMC Sierra 1500, 2500 HD | 2003-2006 Chevy Avalanche | 2006 – 2007 Cadillac Escalade, ESV, EXT – Includes model years 03, 04, 05, 06, 07
- OEM FIT, QUALITY, FINISH – This 4WD switch features a factory style finish to match the dash of your Chevy, GMC, or Cadillac. Installation is straight forward and can be completed in about 15 minutes with basic hand tools.
- LIFETIME WARRANTY – This 4 wheel drive, 4×4, 4WD switch includes a lifetime warranty. If the switch ever malfunctions on your Chevrolet Silverado or other vehicle contact us for a free replacement.

This switch is also referred to as a transfer case switch, all wheel drive switch, 4WD switch, for wheel drive, or 4×4 switch. This 4×4 switch is a direct replacement for the factory switch on your Chevrolet Silverado, Tahoe, Suburban, Avalanche, GMC Sierra, Yukon, or Yukon XL
If you are unable to control your 4WD System on your Chevrolet Silverado, Tahoe, or GMC truck a faulty 4×4 switch is likely the culprit. Or is your factory switch worn and peeling? Either way this direct replacement 4×4 switch is the perfect replacement. Manufactured by AA Ignition, this switch easily installs on the driver’s side dash.
Fits the following vehicles with Push Button Control RPO Code NP8:
- 2006-2007 Cadillac Escalade
- 2006-2007 Cadillac Escalade ESV & EXT
- 2003-2006 Chevrolet Avalanche 1500 & 2500
- 2003-2006 Chevrolet Silverado 1500 & 2500 HD
- 2007 Chevrolet Silverado 1500 Classic, 1500 HD Classic, 2500 HD Classic
- 2003 & 2005-2006 Chevrolet Silverado 1500 HD
- 2003-2004 Chevrolet Silverado 2500, 3500
- 2003-2006 Chevrolet Suburban 1500, 2500
- 2003-2006 Chevrolet Tahoe
- 2007 GMC Sierra 1500 Classic
- 2003-2006 GMC Sierra 1500, 2500 HD
- 2003 & 2005-2006 GMC Sierra 1500 HD
- 2007 GMC Sierra 1500 Classic, 1500 HD Classic, 2500 HD Classic
- 2003-2004 GMC Sierra 2500, 3500
- 2003-2006 GMC Yukon, XL 1500, XL 2500

Replaces Factory Part Numbers:
- 15136039
- 15164520
- 19259313
- 901-072
- 901072
- 901 072
Fixes common problems caused by a failing switch including:
- 4×4 will not engage
- Service 4WD indicator lite up on dash
- Fault codes for transfer case switch including B2725
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4×4 Switch – Fits 99-02 Chevy Silverado, Suburban, Avalanche, GMC Sierra, Yukon | 4×4 Switch – Fits 03-07 Chevy Silverado, Suburban, Avalanche, GMC Sierra, Yukon | 4×4 Switch – Fits 03-07 Chevy Silverado, Suburban, Avalanche, GMC Sierra, Yukon | |
Number of Buttons | 4 | 3 | 4 |
Auto 4×4 Button | ✓ | ✓ | |
GWA Part# | GWA118.2 | GWA149 | GWA152 |
Replaces Part Numbers | 19168767, 15709327, 901-062, 901-072, 901062, 901072 | 9259312, 15164519, 15136040, 901053, 901-053 | 15136039, 15164520, 19259313, 901-072, 901072, 901 072 |
Experience the AA Ignition Difference!
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ASE Certified TechniciansInstalling parts on you vehicle can be difficult and we understand. That’s why we have certified technicians on staff to assist you with installation or even properly diagnosing your car. Our technicians will even provide the factory repair manual to make installation easier for you. |
Strict Quality ControlAll of our switches undergo strict quality control not just before shipping but throughout the production process. During each step of production multiple quality control checks are performed to insure each and every part lasts for years to come. |
An American Small BusinessAA Ignition is a division of GWA Auto Parts and we are proud to be an American Small Business. Located in sunny South Florida and founded by long time car enthusiasts, AA Ignition takes pride in providing quality products at an exceptional value. |
This is a compatible replacement part manufactured by AA Ignition. This 4×4 Selector Switch is NOT a genuine Chevrolet, GM, Dorman or ACDelco part. GM and their associated vehicle models and part numbers are used in this listing only to identify the vehicles this 4×4 Selector Switch fits.

4WD Switch 4x4 Transfer Case Button - Replaces 15136039, 15164520, 19259313, 901-072

- REPLACEMENT 4WD SWITCH replaces faulty 4 wheel drive selector switch. This switch is also referred to as a transfer case switch, all wheel drive switch, 4WD switch, four wheel drive, or 4×4 switch. This 4×4 switch is a direct replacement for the factory switch on your Chevrolet Silverado, Tahoe, Suburban, Avalanche, GMC Sierra, Yukon, Yukon XL, or Cadillac Escalade. See model years below.
- REPLACES PART# 15136039, 15164520, 19259313, Dorman 901-072, 901072, 901 072 – While this is not a genuine GM part is a direct replacement for the factory 4WD switch. Fits popular models including – 2003 Yukon, Chevy Silverado 2004, 03 Chevy Silverado, 2006 Chevy Suburban & more – see below for all models
- FITS THE FOLLOWING VEHICLES – 2003 – 2006 Chevy Silverado 1500, 2500 HD| 2003-2006 Chevrolet Suburban & Tahoe | 2003-2006 GMC Yukon, Yukon XL | 2003 – 2006 GMC Sierra 1500, 2500 HD | 2003-2006 Chevy Avalanche | 2006 – 2007 Cadillac Escalade, ESV, EXT – Includes model years 03, 04, 05, 06, 07
- OEM FIT, QUALITY, FINISH – This 4WD switch features a factory style finish to match the dash of your Chevy, GMC, or Cadillac. Installation is straight forward and can be completed in about 15 minutes with basic hand tools.
- LIFETIME WARRANTY – This 4 wheel drive, 4×4, 4WD switch includes a lifetime warranty. If the switch ever malfunctions on your Chevrolet Silverado or other vehicle contact us for a free replacement.

This switch is also referred to as a transfer case switch, all wheel drive switch, 4WD switch, for wheel drive, or 4×4 switch. This 4×4 switch is a direct replacement for the factory switch on your Chevrolet Silverado, Tahoe, Suburban, Avalanche, GMC Sierra, Yukon, or Yukon XL
If you are unable to control your 4WD System on your Chevrolet Silverado, Tahoe, or GMC truck a faulty 4×4 switch is likely the culprit. Or is your factory switch worn and peeling? Either way this direct replacement 4×4 switch is the perfect replacement. Manufactured by AA Ignition, this switch easily installs on the driver’s side dash.
Fits the following vehicles with Push Button Control RPO Code NP8:
- 2006-2007 Cadillac Escalade
- 2006-2007 Cadillac Escalade ESV & EXT
- 2003-2006 Chevrolet Avalanche 1500 & 2500
- 2003-2006 Chevrolet Silverado 1500 & 2500 HD
- 2007 Chevrolet Silverado 1500 Classic, 1500 HD Classic, 2500 HD Classic
- 2003 & 2005-2006 Chevrolet Silverado 1500 HD
- 2003-2004 Chevrolet Silverado 2500, 3500
- 2003-2006 Chevrolet Suburban 1500, 2500
- 2003-2006 Chevrolet Tahoe
- 2007 GMC Sierra 1500 Classic
- 2003-2006 GMC Sierra 1500, 2500 HD
- 2003 & 2005-2006 GMC Sierra 1500 HD
- 2007 GMC Sierra 1500 Classic, 1500 HD Classic, 2500 HD Classic
- 2003-2004 GMC Sierra 2500, 3500
- 2003-2006 GMC Yukon, XL 1500, XL 2500

Replaces Factory Part Numbers:
- 15136039
- 15164520
- 19259313
- 901-072
- 901072
- 901 072
Fixes common problems caused by a failing switch including:
- 4×4 will not engage
- Service 4WD indicator lite up on dash
- Fault codes for transfer case switch including B2725
![]() |
![]() |
![]() |
|
---|---|---|---|
4×4 Switch – Fits 99-02 Chevy Silverado, Suburban, Avalanche, GMC Sierra, Yukon | 4×4 Switch – Fits 03-07 Chevy Silverado, Suburban, Avalanche, GMC Sierra, Yukon | 4×4 Switch – Fits 03-07 Chevy Silverado, Suburban, Avalanche, GMC Sierra, Yukon | |
Number of Buttons | 4 | 3 | 4 |
Auto 4×4 Button | ✓ | ✓ | |
GWA Part# | GWA118.2 | GWA149 | GWA152 |
Replaces Part Numbers | 19168767, 15709327, 901-062, 901-072, 901062, 901072 | 9259312, 15164519, 15136040, 901053, 901-053 | 15136039, 15164520, 19259313, 901-072, 901072, 901 072 |
Experience the AA Ignition Difference!
|
|
|
---|---|---|
ASE Certified TechniciansInstalling parts on you vehicle can be difficult and we understand. That’s why we have certified technicians on staff to assist you with installation or even properly diagnosing your car. Our technicians will even provide the factory repair manual to make installation easier for you. |
Strict Quality ControlAll of our switches undergo strict quality control not just before shipping but throughout the production process. During each step of production multiple quality control checks are performed to insure each and every part lasts for years to come. |
An American Small BusinessAA Ignition is a division of GWA Auto Parts and we are proud to be an American Small Business. Located in sunny South Florida and founded by long time car enthusiasts, AA Ignition takes pride in providing quality products at an exceptional value. |
This is a compatible replacement part manufactured by AA Ignition. This 4×4 Selector Switch is NOT a genuine Chevrolet, GM, Dorman or ACDelco part. GM and their associated vehicle models and part numbers are used in this listing only to identify the vehicles this 4×4 Selector Switch fits.









