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2012 GMC Sierra 3500 HD Exhaust Muffler

Browse our online catalogue to find original replacement Exhaust Mufflers specifically designed to fit a 2012 GMC Sierra 3500 HD.

 
 
2012 GMC Sierra 3500 HD Exhaust Muffler Walker Exhaust 21753 image 1 of 1
2012 GMC Sierra 3500 HD Exhaust Muffler Walker Exhaust 21753 image 1 of 1
2012 GMC Sierra 3500 HD Exhaust Muffler
$676.36
$385.10
10+ In Stock
Condition: New
Ships: Friday Feb. 20th
Pick-Up: Ready in 1 Hour Friday Feb. 20th
Required Per Vehicle: 1
Made in USA
Fits: 2012 GMC Sierra 3500 HD
Equipped With:
Body Type: Crew Cab Pickup; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
If Welded Assembly, Replace All Required Parts
2012 GMC Sierra 3500 HD Exhaust Muffler Walker Exhaust 21753 image 1 of 1
2012 GMC Sierra 3500 HD Exhaust Muffler Walker Exhaust 21753 image 1 of 1
2012 GMC Sierra 3500 HD Exhaust Muffler
$676.36
$385.10
10+ In Stock
Condition: New
Ships: Friday Feb. 20th
Pick-Up: Ready in 1 Hour Friday Feb. 20th
Required Per Vehicle: 1
Made in USA
Fits: 2012 GMC Sierra 3500 HD
Equipped With:
Body Type: Extended Cab Pickup; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
If Welded Assembly, Replace All Required Parts
2012 GMC Sierra 3500 HD Exhaust Muffler Walker Exhaust 21753 image 1 of 1
2012 GMC Sierra 3500 HD Exhaust Muffler Walker Exhaust 21753 image 1 of 1
2012 GMC Sierra 3500 HD Exhaust Muffler
$676.36
$385.10
10+ In Stock
Condition: New
Ships: Friday Feb. 20th
Pick-Up: Ready in 1 Hour Friday Feb. 20th
Required Per Vehicle: 1
Made in USA
Fits: 2012 GMC Sierra 3500 HD
Equipped With:
Body Type: Standard Cab Pickup; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
If Welded Assembly, Replace All Required Parts