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Genuine 2003 GMC Sierra Muffler
Exhaust Muffler- Select Vehicle by Model
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33 Mufflers found
2003 GMC Sierra Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W
Part Number: 15798957$938.36 MSRP: $1402.65You Save: $464.29 (34%)Ships in 1-3 Business DaysProduct Specifications- Other Name: Muffler Assembly, Exhaust (W/ Exhaust & T/Pipe & 3W; Muffler
- Replaces: 15147365, 15103204
- Item Weight: 79.60 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15798957
- Warranty: This genuine part is guaranteed by GM's factory warranty.
2003 GMC Sierra Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W
Part Number: 15798961$1024.27 MSRP: $1532.23You Save: $507.96 (34%)Ships in 1-3 Business DaysProduct Specifications- Other Name: Muffler Assembly, Exhaust (W/ Exhaust & T/Pipe & 3W; Muffler
- Item Weight: 59.30 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15798961
- Warranty: This genuine part is guaranteed by GM's factory warranty.
2003 GMC Sierra Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
Part Number: 15262865$742.81 MSRP: $1120.61You Save: $377.80 (34%)Product Specifications- Other Name: Muffler Assembly, Exhaust (W/ Exhaust Pipe & Tail Pipe); Muffler, Muffler & Pipe
- Item Weight: 283.20 Pounds
- Item Dimensions: 139.9 x 26.5 x 16.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15262865
- Warranty: This genuine part is guaranteed by GM's factory warranty.
2003 GMC Sierra Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W
Part Number: 15798946$1002.88 MSRP: $1500.27You Save: $497.39 (34%)Product Specifications- Other Name: Muffler Assembly, Exhaust (W/ Exhaust & T/Pipe & 3W; Muffler
- Item Weight: 161.60 Pounds
- Item Dimensions: 144.9 x 45.5 x 23.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15798946
- Warranty: This genuine part is guaranteed by GM's factory warranty.
2003 GMC Sierra MUFFLER ASM,EXH(W/EXH & T/PIPE & 3WAY CTLTC CONV)"KIT"
Part Number: 19420118$1046.37 MSRP: $1565.88You Save: $519.51 (34%)Product Specifications- Other Name: Muffler
- Replaces: 15147368, 15076107, 15199841, 15798960, 15113085
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19420118
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Product Specifications- Other Name: MUFFLER, Exhaust
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 10366113
- Warranty: This genuine part is guaranteed by GM's factory warranty.
- Product Specifications
- Other Name: MUFFLER, Exhaust; Muffler, Muffler & Pipe
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15262863
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Product Specifications- Other Name: Muffler Assembly, Exhaust (W/ Exhaust Pipe & Tail Pipe); Muffler
- Replaces: 15040398, 15187874, 15128251, 15756778
- Item Weight: 70.70 Pounds
- Item Dimensions: 101.4 x 32.8 x 103.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 10376413
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Product Specifications- Other Name: MUFFLER, Exhaust; Muffler
- Item Weight: 49.40 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 10376416
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Product Specifications- Other Name: Muffler Assembly, Exhaust (W/ Exhaust Pipe & Tail Pipe); Muffler
- Replaces: 15198939, 15756780, 15091103, 15128255, 10376417
- Item Weight: 42.80 Pounds
- Item Dimensions: 126.1 x 31.5 x 14.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25862738
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Product Specifications- Other Name: Muffler Assembly, Exhaust (W/ Exhaust Pipe & Tail Pipe; Muffler
- Item Weight: 36.30 Pounds
- Item Dimensions: 108.2 x 28.4 x 4.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15040396
- Warranty: This genuine part is guaranteed by GM's factory warranty.
- Product Specifications
- Other Name: Muffler Assembly, Exhaust (W/ Exhaust Pipe & Tail Pipe); Muffler
- Replaces: 15091102, 15128252, 15187878
- Item Weight: 71.10 Pounds
- Item Dimensions: 119.1 x 33.8 x 4.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 10376414
- Warranty: This genuine part is guaranteed by GM's factory warranty.
- Product Specifications
- Other Name: Muffler Assembly, Exhaust (W/ Exhaust Pipe & Tail Pipe); Muffler
- Replaces: 15128256, 15198940, 15091104
- Item Weight: 45.10 Pounds
- Item Dimensions: 127.3 x 31.5 x 13.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 10376418
- Warranty: This genuine part is guaranteed by GM's factory warranty.
- Product Specifications
- Other Name: Muffler Assembly, Exhaust (W/ Exhaust Pipe & Tail Pipe); Muffler
- Replaces: 10376412, 15128250, 15187877, 15091098, 15040397
- Item Weight: 41.40 Pounds
- Item Dimensions: 114.2 x 31.5 x 14.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25862737
- Warranty: This genuine part is guaranteed by GM's factory warranty.
- Product Specifications
- Other Name: MUFFLER, Exhaust; Muffler
- Item Weight: 62.30 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15798940
- Warranty: This genuine part is guaranteed by GM's factory warranty.
- Product Specifications
- Other Name: MUFFLER, Exhaust; Muffler, Muffler & Pipe
- Replaces: 15080245, 15131901
- Item Weight: 333.20 Pounds
- Item Dimensions: 132.6 x 33.7 x 16.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15262866
- Warranty: This genuine part is guaranteed by GM's factory warranty.
- Product Specifications
- Other Name: Muffler Assembly, Exhaust (W/ Exhaust Pipe & Tail Pipe); Muffler, Muffler & Pipe
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15262864
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Product Specifications- Other Name: MUFFLER, Exhaust; Muffler
- Replaces: 15077768, 15070020, 15070018, 15113066, 15103192
- Item Weight: 62.80 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15147355
- Warranty: This genuine part is guaranteed by GM's factory warranty.
- Product Specifications
- Other Name: MUFFLER, Exhaust; Muffler, Muffler & Pipe
- Replaces: 15113070
- Item Weight: 78.10 Pounds
- Item Dimensions: 137.2 x 29.2 x 15.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15798952
- Warranty: This genuine part is guaranteed by GM's factory warranty.
- Product Specifications
- Other Name: MUFFLER, Exhaust; Muffler
- Replaces: 15757990
- Item Weight: 74.90 Pounds
- Item Dimensions: 150.9 x 29.2 x 15.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15798953
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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1-20 of 33 Results
2003 GMC Sierra Muffler
Achieve unprecedented performance experience with our genuine 2003 GMC Sierra Muffler. All our parts are engineered for a perfect fit and maximum durability to ensure that your Sierra returns to factory condition. Specially designed for the 2003 GMC Sierra, this Muffler offers superior reliability and ease of installation for anyone.
We are your prime source for competitively priced and high-quality OEM 2003 GMC Sierra Muffler. We provide you with parts that will allow you to save a lot of money without sacrificing quality. All our OEM parts are backed by the manufacturer's warranty and shipped out at a swift rate.
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