1AFWM00043-Chevrolet GMC Four Wheel Drive Switch DIY Solutions BSS00248
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Replaces

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2003 Chevrolet Silverado 2500 with RPO Code NP1 (Electric Shift, 2 Speed Transfer Case) Four Wheel Drive Switch DIY Solutions BSS00248

03-07 GM Full Size Pickup, SUV (w/RPO NP1 TC) Dash Mtd 3 Button 4WD Switch
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$ 35.45
$43.95
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$43.95
19% OFF
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DIY Solutions
BSS00248
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DIY Solutions
BSS00248
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Product Reviews
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5.00/ 5.0 9
Addressed my issue...
Tanner
July 23, 2017
I recently bought an '04 GMC Sierra Duramax. During the test drive, the Service 4WD warning came on. I bought the truck a bit below the asking price for this reason with the thought it may simply be the 4WD switch. The Service 4WD warning has yet to come back on, so far so good. Thank You 1A-Auto for your quality parts, great prices and awesome standard shipping promptness!
Best option
Robert
August 2, 2018
After watching the 1A Auto video about my non shifting problem I chose to purchase this switch. Easy install thanks to the video and the problem is solved. Thanks so much for the video the right part and speedy delivery.
Greg
August 13, 2021
Good part, just wasn't the fix for the problem.
Nathan
March 2, 2022
Fits perfectly
Perfect Match
Stephen
April 15, 2022
Was of similar or better quality than the OEM switch, quite a bit less expensive than prices at the local auto parts stores and install was a breeze thanks to the 1A Auto how-to video. After install I tried it out and it shifted back and forth from 4WD perfectly.
Piece of cake
LeRoy
April 29, 2022
Easy install and perfect fit.
Cindy
September 30, 2022
Perfect fit and function, Thanks A-1 Auto!
Easy replacement
Steven
February 6, 2023
Inexpensive option I tested out to see what was causing my service 4wd warning to come on. It wasn't the issue but it was an easy replacement
Charles
April 25, 2024
Works Great
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Before proceeding,

select your Vehicle, to verify this Part will fit.

This part will only fit a 2003 Chevrolet Silverado 2500 with these options.

Before proceeding,

select your Vehicle, to verify this Part will fit.

This part will only fit a 2003 Chevrolet Silverado 2500 with these options.