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2007 GMC Sierra 3500 HD
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Exhaust Manifolds, Pipes & Mufflers
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OEM (Genuine) 2007 GMC Sierra 3500 HD Muffler
PartNumber: 15798961
Product Specifications- Notes: Silverado, Sierra; 6.0l; 1 Ton; W/O Rear Handling
- Other Names: Muffler
- Item Weight: 57.70 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2007 GMC Sierra 3500 HD Muffler
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.0 L GAS
$1024.26 MSRP:$1532.23You Save: $507.97 (34%)
Walker® Quiet Flow Steel Round Aluminized Exhaust Muffler for 2007 GMC Sierra 3500 HD
PartNumber: 21706Product Specifications- Notes: Premium - Limited Lifetime Warranty; If welded Assy, replace all Reqd parts.
- Body Height: 11.000
- Body Length: 25.000
- Body Material: Steel
- Body Width: 11.000
- Exhaust Component Mount Type: Uses Factory Hangers
- Finish: Aluminized
- Grade Type: Regular
- Inlet 1 Inside Diameter: 3.500
- Inlet 1 Type: Pipe Connection
- Inlet Configuration: Offset
- Inlet Offset: 2.75
- Internet Product Code (IPC): 41EC2F3D62B
- Item has MSDS (SDS): N
- Max Year Covered: 2010
- MFG Brand Name: Walker Exhaust
- MFG Model # (Series): 21706
- MFG Name: Tenneco, Inc
- Min Year Covered: 2007
- Most Popular Make / Model: Chevrolet Silverado 2500 HD
- Most Popular Year: 2007
- Muffler Body Height: 11.0
- Muffler Body Length: 25.0
- Muffler Body Material: Steel
- Muffler Body Width: 11.0
- Muffler Color / Finish: Aluminized
- Muffler Inlet: Offset
- Muffler Inlet Connection Type: Pipe Connection
- Muffler Inlet Count: 1
- Muffler Inlet Diameter (in): 3.5
- Muffler Inlet Diameter Designation: Inside Diameter
- Muffler Outlet: Offset
- Muffler Outlet Connection Type: Pipe Connection
- Muffler Outlet Count: 1
- Muffler Outlet Diameter (in): 3.5
- Muffler Outlet Diameter Designation: Inside Diameter
- Muffler Overall Length: 31.0
- Muffler Reversible: No
- Muffler Shape: Round
- Outlet 1 Inside Diameter: 3.500
- Outlet Configuration: Offset
- Overall Length: 31.000
- Product Grade: Economy
- Reversible: No
- Shape: Round
- Supplier Company Name: Tenneco, Inc
- Total Part VIO: 298097
- Universal Or Specific Fit: Specific
- UPC: 086387217064
- Part Description: 2007 GMC Sierra 3500 HD Quiet Flow Steel Round Aluminized Exhaust Muffler
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
$215.56
OEM (Genuine) 2007 GMC Sierra 3500 HD Resonator & Pipe
PartNumber: 15876232
Product Specifications- Notes: 6.6 Liter Diesel, Crew Cab, 6.5 Ft Box
- Other Names: Resonator & Pipe
- Item Dimensions: 51.7 x 14.6 x 11.0 inches
- Item Weight: 41.20 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2007 GMC Sierra 3500 HD Resonator & Pipe
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for 2007 GMC Sierra 3500 HD
PartNumber: 21616Product Specifications- Notes: Premium - Limited Lifetime Warranty; Exc. Chassis Cab; If welded Assy, replace all Reqd parts.
- Body Height: 5.500
- Body Length: 15.000
- Body Material: Stainless Steel
- Body Width: 11.000
- Finish: Aluminized
- Grade Type: Regular
- Inlet 1 Type: 3 Bolt Welded Flange
- Inlet Configuration: Offset
- Inlet Offset: 3.5
- Internet Product Code (IPC): EB21FF3D3A0
- Item has MSDS (SDS): N
- Max Year Covered: 2010
- MFG Brand Name: Walker Exhaust
- MFG Model # (Series): 21616
- MFG Name: Tenneco, Inc
- Min Year Covered: 2007
- Most Popular Make / Model: Chevrolet Silverado 2500 HD
- Most Popular Year: 2008
- Muffler Body Height: 5.5
- Muffler Body Length: 15.0
- Muffler Body Material: Stainless Steel
- Muffler Body Width: 11.0
- Muffler Color / Finish: Bare
- Muffler Inlet: Offset
- Muffler Inlet Connection Type: 3-Bolt Welded Flange
- Muffler Inlet Count: 1
- Muffler Outlet: Offset
- Muffler Outlet Connection Type: Pipe Connection
- Muffler Outlet Count: 1
- Muffler Outlet Diameter (in): 3.5
- Muffler Outlet Diameter Designation: Outside Diameter
- Muffler Overall Length: 21.0
- Muffler Reversible: No
- Muffler Shape: Oval
- Outlet 1 Outside Diameter: 3.500
- Outlet Configuration: Offset
- Overall Length: 21.000
- Product Grade: Economy
- Reversible: No
- Shape: Oval
- Supplier Company Name: Tenneco, Inc
- Total Part VIO: 252331
- Universal Or Specific Fit: Specific
- UPC: 086387216166
- Part Description: 2007 GMC Sierra 3500 HD Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.6L
OEM (Genuine) 2007 GMC Sierra 3500 HD Filter Asm-Exhaust Particulate (W/ Flange)
PartNumber: 15909020
Product Specifications- Notes: 6.6 Liter Diesel, Ext Cab, 6.5 Ft Box
- Other Names: Resonator & Pipe
- Item Dimensions: 43.2 x 13.0 x 9.2 inches
- Item Weight: 52.10 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2007 GMC Sierra 3500 HD Filter Asm-Exhaust Particulate (W/ Flange)
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
OEM (Genuine) 2007 GMC Sierra 3500 HD Exhaust Muffler Assembly (W/ Exhaust Pipes & Exhaust Cooler)
PartNumber: 25995867
Product Specifications- Notes: Silverado, Sierra; 6.6l Diesel; 6.6 Liter Diesel
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 91.9 x 29.7 x 18.4 inches
- Item Weight: 46.90 Pounds
- Fitment Type: Direct Replacement
- Replaces: 15876236
- Part Description: 2007 GMC Sierra 3500 HD Exhaust Muffler Assembly (W/ Exhaust Pipes & Exhaust Cooler)
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
OEM (Genuine) 2007 GMC Sierra 3500 HD Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
PartNumber: 25929101
Product Specifications- Notes: 3/4 & 1 Ton, Std Cab, 8 Ft Box
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 109.7 x 31.0 x 18.0 inches
- Item Weight: 288.00 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2007 GMC Sierra 3500 HD Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
OEM (Genuine) 2007 GMC Sierra 3500 HD Filter Asm-Exhaust Particulate (W/ Flange)
PartNumber: 15876233Product Specifications- Notes: 6.6 Liter Diesel, Crew Cab, 8 Ft Box
- Other Names: Resonator & Pipe
- Item Dimensions: 67.9 x 14.3 x 11.3 inches
- Item Weight: 46.10 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2007 GMC Sierra 3500 HD Filter Asm-Exhaust Particulate (W/ Flange)
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
OEM (Genuine) 2007 GMC Sierra 3500 HD Filter Asm-Exhaust Particulate (W/ Flange)
PartNumber: 15909021Product Specifications- Notes: 6.6 Liter Diesel, Ext Cab, 8 Ft Box
- Other Names: Resonator & Pipe
- Item Dimensions: 55.7 x 13.4 x 9.3 inches
- Item Weight: 51.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2007 GMC Sierra 3500 HD Filter Asm-Exhaust Particulate (W/ Flange)
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
OEM (Genuine) 2007 GMC Sierra 3500 HD Resonator & Pipe
PartNumber: 15909019Product Specifications- Notes: 6.6 Liter Diesel, Std Cab
- Other Names: Resonator & Pipe
- Item Dimensions: 32.2 x 10.5 x 8.6 inches
- Item Weight: 55.10 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2007 GMC Sierra 3500 HD Resonator & Pipe
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
OEM (Genuine) 2007 GMC Sierra 3500 HD Muffler Asm-Exhaust (W/ Exhaust & T/Pipe & 3W
PartNumber: 15798960Product Specifications- Other Names: Muffler
- Item Dimensions: 120.8 x 20.6 x 10.2 inches
- Item Weight: 56.00 Pounds
- Replaced by: 19420118
- Part Description: 2007 GMC Sierra 3500 HD Muffler Asm-Exhaust (W/ Exhaust & T/Pipe & 3W
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.0 L GAS
OEM (Genuine) 2007 GMC Sierra 3500 HD MUFFLER ASM, EXH(W/EXH & T/PIPE & 3WAY CTLTC CONV)"KIT"
PartNumber: 19420118Product Specifications- Notes: Silverado, Sierra; 6.0l; 1 Ton; W/Rear Handling
- Other Names: Muffler
- Fitment Type: Direct Replacement
- Replaces: 15076107, 15113085, 15147368, 15199841, 15798960
- Part Description: 2007 GMC Sierra 3500 HD MUFFLER ASM, EXH(W/EXH & T/PIPE & 3WAY CTLTC CONV)"KIT"
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.0 L GAS
OEM (Genuine) 2007 GMC Sierra 3500 HD Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
PartNumber: 25929102Product Specifications- Notes: 3/4 & 1 Ton, Ext Cab, 8 Ft Box
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 137.6 x 31.0 x 18.0 inches
- Item Weight: 364.90 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2007 GMC Sierra 3500 HD Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
OEM (Genuine) 2007 GMC Sierra 3500 HD Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
PartNumber: 25929099Product Specifications- Notes: 3/4 & 1 Ton, Ext Cab, 6.5 Ft Box
- Other Names: Muffler & Pipe
- Item Dimensions: 118.2 x 31.6 x 17.8 inches
- Item Weight: 293.10 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2007 GMC Sierra 3500 HD Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
OEM (Genuine) 2007 GMC Sierra 3500 HD Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
PartNumber: 25929100Product Specifications- Notes: 3/4 & 1 Ton, Crew Cab, 6.5 Ft Box
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 127.8 x 30.7 x 17.6 inches
- Item Weight: 65.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2007 GMC Sierra 3500 HD Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
OEM (Genuine) 2007 GMC Sierra 3500 HD Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
PartNumber: 15229355
Product Specifications- Notes: 6.6 Liter Turbo Diesel, 2nd Design, Std Cab
- Other Names: Muffler & Pipe
- Item Dimensions: 62.4 x 12.0 x 11.7 inches
- Item Weight: 37.10 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2007 GMC Sierra 3500 HD Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT | 8 Cyl 6.6 L DIESEL
OEM (Genuine) 2007 GMC Sierra 3500 HD Muffler Asm-Exhaust (W/ Exhaust Pipe & Tail Pipe)
PartNumber: 15798941
Product Specifications- Notes: 6.0 Liter Gas
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 130.9 x 25.9 x 16.1 inches
- Item Weight: 59.40 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2007 GMC Sierra 3500 HD Muffler Asm-Exhaust (W/ Exhaust Pipe & Tail Pipe)
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.0 L GAS
OEM (Genuine) 2007 GMC Sierra 3500 HD Muffler & Pipe
PartNumber: 25929098Product Specifications- Notes: 3/4 & 1 Ton, Crew Cab, 8 Ft Box
- Other Names: Muffler & Pipe
- Item Dimensions: 143.3 x 31.3 x 18.2 inches
- Item Weight: 387.90 Pounds
- Fitment Type: Direct Replacement
- Replaces: 25879512
- Part Description: 2007 GMC Sierra 3500 HD Muffler & Pipe
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
OEM (Genuine) 2007 GMC Sierra 3500 HD Muffler Asm-Exhaust (W/ Exhaust Pipe & Tail Pipe)
PartNumber: 15229357Product Specifications- Notes: 6.6 Liter Turbo Diesel, 2nd Design, Ext Cab
- Other Names: Muffler & Pipe
- Item Weight: 44.80 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2007 GMC Sierra 3500 HD Muffler Asm-Exhaust (W/ Exhaust Pipe & Tail Pipe)
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
FAQ for Muffler Repair
Q: What is the recommended torque for the catalytic converter to muffler nuts?
A:
The recommended torque is 45 N.m (33 lb-ft).
By Bob
GM Specialist
01/11/2022Q: How to remove the muffler?
A:
You should remove the spare tire, the rear axle vent hose, the vent hose swivel clip, the rear axle vent hose, the vent hose swivel clip, the rear shock absorber lower bolts and nuts, the catalytic converter, the insulators, and the insulator.
By Bob
GM Specialist
01/11/2022Q: How to install the muffler?
A:
You should install the muffler assembly, the insulator, the insulators to the front, intermediate, and rear muffler assembly hangers, the catalytic converter, the catalytic converter to muffler nuts, the rear shock absorber lower bolts and nuts, the rear axle vent hose, the vent hose swivel clip, and the spare tire.
By Bob
GM Specialist
01/11/2022