1AFWA00001-Chevrolet GMC Front Axle Shift Actuator TRQ FWA72079
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1992 GMC K3500 Truck Front Axle Shift Actuator TRQ FWA72079

88-95 GM Trk 4x4 Actuator
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$ 51.95
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Product Reviews
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4.85/ 5.0 41
Cody R.
January 25, 2010
I am very pleased with the overall purchasing experience with 1A Auto. My payment was processed immediately and accurately, and I received the part 7 days after I ordered it, which is really commendable because it had to be shipped to Canada and cross the border. I received the part, and installation was pretty easy. The only snag I ran into was that the 2 terminal connector had the wrong terminal and would not fit into my factory wiring harness. All it took though, was to take my old harness and wire it to the new shift actuator. Even with that snag, I would still rate it overall as excellent. The part is fully operational and my 4x4 is back in perfect working order. Thanks 1A Auto
4 wheel drive actuator
Richard
January 22, 2017
Exact fit, unit works great and back in business! Easy install with great instructions.
4 Wheeling it!
M
June 19, 2017
Fast shipping, Very reasonable price. Write application for my vehicle. Very Happy to be 4 wheeling again ! Thank You
Easy as pie
Charla
July 18, 2017
Removed old part and installed new part in less than one minute. Took longer to crawl under the truck.
Right on !
Bruce
August 1, 2017
Right on price , right on shipping , right on time. Excellent value and works very well. Thank you .
As usual service and parts outstanding
Wilson
August 13, 2017
The instructional video made repairing my 4x4 a snap. The part was an exact fit and now all four wheels can get me out of trouble (sometimes all four get me in trouble).
Fast delivery, Perfect fit and connection.
W
November 7, 2017
Unit took about 2 minutes from the time opening the package til complete.
Mark
December 25, 2017
What is important, it works! It has my 4wd working again in time for winter. Everything I have bought from 1aauto has been very satisfactory.
Quickly shipped, perfect fit - easy install.
Dane
January 21, 2018
I ordered this part and had it 2 days later. It was a perfect fit. It was very easy to install using the online video. It took about ten minutes to remove the old one and install the new one. Fired up the truck and it engaged the 4 wheel drive instantly. Problem solved. 1A Auto is the best. I get all my parts from them!!!
Fixed my 4 Wheel Drive
Eric
August 14, 2018
A1 Auto shipped out the part quickly and I had no problem installing the actuator after watching the A1 Auto video. Great replacement part!
Charles
October 12, 2018
I really liked that this came so quickly. It was easily installed and works.
Actuator was like original
Brian
November 20, 2018
Shipped fast, part fit correctly. Great price as usual
Worked in my 94
Christopher
December 6, 2018
I put in my 94 GMC and it worked fine. The price was the best i could find.
Steve
December 16, 2018
I did my homework and pin pointed the problem. The installation couldn't of been any easier. Just unscrewed the old one the screwed in the new one.
Super deal
GARY
December 21, 2018
Found this part on the ito be a excellent part fix rite and worked rite and the price was awesome compared to all auto stores in western ny
Fixed the Issue
K
December 22, 2018
Looked slightly different than the stock one, but it fit and fixed the issue of 4wd not engaging.
Axle Shift Actuator
CRAIG
January 2, 2019
had to replace end as damaged, would have gave 5 stars if that would have not been the case. Works great now.
Had to make it work.
R
February 5, 2019
You said it would fit my 96 Tahoe but the plug on the wire did not match up. I cut the old plug off and wired it to the new unit and made it work.
Front actuator 89 chevy k1500
Jeremy
February 23, 2019
Part arrived quick, installed perfect engages in short time.
GM axle shift actuator
MARK-E
March 27, 2019
Best price around. Appears to be a quality part. Arrived very quickly, and installed easily. Perfect fit. Have ordered fro 1aauto.com before, and will again.
Best online auto parts store hands down!
Zachary
April 16, 2019
After shopping around for a couple days I quickly realized that 1A Auto Parts has the best selection and the absolute lowest prices and I won't shop anywhere else! Thank you 1A-Auto!
On previous order
Y
April 19, 2019
Please on price fast response on message Nd fast delivery on order .Thanks
4wd actuator
D
October 8, 2019
After watching the video, I immediately ordered the part, and the r n r was as easy as watching the vid. Had I known this last winter, I'd have fixed it then. My driveway sucks in snow, so 4wd is imperative. It was almost impossible, even wit a run at it, which was also difficult due to traffic
Raymond
January 4, 2020
Really happy with all the parts I buy. customer service Has help me out very much If I have problems they stand by their parts
This differential shift actuator did the trick
R
March 5, 2020
If you've lost your 4 wheel drive, chances are this actuator is the problem.
Perfect fit
james
May 13, 2020
I have been running this actuator for 3 years now on my truck and it has given me absolutely no issues 1A Auto is always on target
4x4 actuator
Will
June 15, 2020
This product awoken my truck giving me the 4x4 i need for work and I have yet to get stuck. 4x4 locks in every time so thankful I found this company to help me Save when I ordered it.
Shift actuator
Darrin
September 24, 2020
Part was sent quickly and the fit perfect. Easy to order and had no issues from start to finish.
Great
C
October 9, 2020
Item was received on time and worked perfect! Thanks
Fixed my 4wd
Zach
January 24, 2021
Installed easily and works as it should. Shipped and delivered quickly.
Good actuator
Christopher
March 21, 2021
If you're a thermal actuator kind of guy good product. I had to change mine every year regardless of how much wear-and-tear I go through or how much usage, but spending a few hundred dollars on a new four-wheel-drive system with a pull-locker circuit was a better way to go for my truck. Instead of waiting for the thermal actuator to work pull in second n go
Perfect
Shane
December 10, 2021
Works great and quick delivery. Thanks
david
January 24, 2022
Replacement was as easy as the video shows, much appreciated!!! I did it in 16 degree weather without gloves thats how easy??
front axle shift actuator
Donna
March 10, 2022
Arrived when scheduled. Fit exactly like factory part. Fixed my 1989 Chevy 2500 HD 4 wheel drive in less than 5 minutes.
worked great
Thomas
December 7, 2022
30min to prep vehicle to install, 5min to install part. fixed issue with 4wd, very pleased.
Jess
February 27, 2023
Does it job
Francis
March 4, 2023
Fit perfectly.
4-Wheel Dr actuator
Carrell
March 4, 2023
This actuator was a perfect fit and works flawlessly. 1A Auto is my choice for quality products.
Great value
Marcus
April 27, 2023
It fit perfectly and I'm able to shift into 4WD now. Very happy with purchase!
Just what the doctor ordered
Gerald
November 17, 2023
When I pushed my 16 ft trailer loaded up with building materials up a gravel driveway with about a 10% grade and the tires never slipped, I liked it a lot.
Robert
February 6, 2024
Works great!
Customer Q&A
Replaced the actuator but still no 4 wheel drive?
January 8, 2017
Ron M
10
Still no 4wd
November 20, 2018
Brian J
10
Check the motor on the transfer case . Also check 4 wheel drive fuse
December 16, 2018
Steve S
My 95 Silverado has a floor shifter for the 4x4 could this still be an issue or are the 4x4 actuator's only needed for the truck with a push button shifter?
March 19, 2018
Spencer B
10
The actuator is wired by the way of the floor shifter. I want to recommend the ALL ELECTRIC actuator (comes as a kit with instructions) it is an upgrade from the gas type. I had 2 of the gas type go out before I upgraded mine to the all electric actuator. A little extra work to install the extra wire but well worth the effort. I bought mine from 1A Auto and never a problem sense. My truck is a 93 Silverado 4x4,
March 21, 2018
Rodney C
10
I have a 1995 GMC with the 4 wheel drive on the floor. This actuator is needed for the 4 wheel drive to work. It is down on the front axle on the passenger side. Check to see if you have voltage down at the connector before buying this part. If no voltage then the switch up on the transfer case is bad.
March 21, 2018
Christopher B
10
Or check your truck grounding strap may be loose or broken, not getting a good body ground
March 11, 2019
Y A
10
Your need the actuator my truck did the same till I ordered and installed mine works perfect.
June 15, 2020
Will T
I have a 1995 chevy truck I need the up grade on shift actuator wiring kit is there a part number?
April 7, 2020
C E
10
Thank you for your inquiry! The correct Upgrade Front Axle Shift Actuator with Wire Harness Kit is under part number: 1AESK00007. Please let us know if you have any further questions, thank you!
April 7, 2020
Jessica D
10
Thanks for your inquiry. Written and video installation instructions are found on the product page under the "How-To & Tools" tab. Were constantly adding new installation video instructions. If we do not have one for your vehicle on the product listing page, please check again at a later time or check our Video Library to see similar repairs here: https://www.1aauto.com/videos
April 7, 2020
Tim K
wil this fit 1991 chevy k1500 4WD?
April 2, 2024
John D
10
yes
April 2, 2024
Thomas M
10
Probably. Ours is a 1990 K1500 4wd.
April 3, 2024
Tina J
10
it should work, sometimes the wire plug is different but just change out.
April 3, 2024
Robert E
10
It did not fit my 92 S10 Blazer
April 8, 2024
David B
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select your Vehicle, to verify this Part will fit.

This part will only fit a 1992 GMC K3500 Truck with these options.

Before proceeding,

select your Vehicle, to verify this Part will fit.

This part will only fit a 1992 GMC K3500 Truck with these options.