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2009 GMC Sierra 1500
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Exhaust Manifolds, Pipes & Mufflers
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OEM (Genuine) 2009 GMC Sierra 1500 Converter & Pipe
PartNumber: 20854453
Product Specifications- Notes: 4.3 Liter; 1/2 Ton, Federal; Silverado, Sierra; 4.3L, 4.8L, 5.3L, 6.0L; California
- Other Names: Catalytic Converter, Converter & Pipe
- Item Dimensions: 51.2 x 29.9 x 14.2 inches
- Item Weight: 35.50 Pounds
- Fitment Type: Direct Replacement
- Replaced by: 19418926
- Part Description: 2009 GMC Sierra 1500 Converter & Pipe
Vehicle Fitment- 2009 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
$1724.84 MSRP:$2690.39You Save: $965.55 (36%)
OEM (Genuine) 2009 GMC Sierra 1500 Catalytic Converter
PartNumber: 20854454
Product Specifications- Notes: Silverado, Sierra; 4.3L, 4.8L, 5.3L, 6.0L; Federal
- Other Names: Catalytic Converter
- Item Dimensions: 45.3 x 29.9 x 14.4 inches
- Item Weight: 37.40 Pounds
- Replaced by: 19418941
- Part Description: 2009 GMC Sierra 1500 Catalytic Converter
Vehicle Fitment- 2009 GMC Sierra 1500 | Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L GAS
$2125.29 MSRP:$3192.92You Save: $1067.63 (34%)
OEM (Genuine) 2009 GMC Sierra 1500 Converter & Pipe
PartNumber: 19418941
Product Specifications- Notes: Silverado, Sierra; 4.3L, 4.8L, 5.3L, 6.0L; Federal; 1/2 Ton, California
- Other Names: Catalytic Converter, Converter & Pipe
- Fitment Type: Direct Replacement
- Replaces: 20854454, 15905948
- Part Description: 2009 GMC Sierra 1500 Converter & Pipe
Vehicle Fitment- 2009 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
$2125.29 MSRP:$3192.92You Save: $1067.63 (34%)
OEM (Genuine) 2009 GMC Sierra 1500 Muffler & Pipe
PartNumber: 20779916
Product Specifications- Notes: Silverado, Sierra Hybrid
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 141.5 x 25.7 x 16.7 inches
- Item Weight: 300.40 Pounds
- Fitment Type: Direct Replacement
- Replaces: 25940551
- Part Description: 2009 GMC Sierra 1500 Muffler & Pipe
Vehicle Fitment- 2009 GMC Sierra 1500 | Hybrid | 8 Cyl 6.0 L ELECTRIC/GAS
$410.39 MSRP:$619.12You Save: $208.73 (34%)
OEM (Genuine) 2009 GMC Sierra 1500 Converter & Pipe
PartNumber: 19418932
Product Specifications- Notes: Silverado, Sierra Hybrid
- Other Names: Catalytic Converter, Converter & Pipe
- Item Dimensions: 41.6 x 35.0 x 15.5 inches
- Item Weight: 35.40 Pounds
- Fitment Type: Direct Replacement
- Replaces: 25824121
- Part Description: 2009 GMC Sierra 1500 Converter & Pipe
Vehicle Fitment- 2009 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
$2255.32 MSRP:$3389.03You Save: $1133.71 (34%)
OEM (Genuine) 2009 GMC Sierra 1500 Converter & Pipe
PartNumber: 19418958
Product Specifications- Notes: Silverado, Sierra; 6.2L
- Other Names: Catalytic Converter, Converter & Pipe
- Fitment Type: Direct Replacement
- Replaces: 25904626, 20854457, 25904629
- Part Description: 2009 GMC Sierra 1500 Converter & Pipe
Vehicle Fitment- 2009 GMC Sierra 1500 | Denali, SLE, SLT | 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
$1651.99 MSRP:$2628.21You Save: $976.22 (38%)
OEM (Genuine) 2009 GMC Sierra 1500 Muffler & Pipe
PartNumber: 20920632
Product Specifications- Notes: 1/2 Ton, Crew Cab, 4.8 Liter;1/2 Ton, Ext Cab, 4.8L W/6.5 Ft Box
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 124.0 x 33.3 x 15.4 inches
- Item Weight: 53.10 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20779902, 25940536, 25940544
- Part Description: 2009 GMC Sierra 1500 Muffler & Pipe
Vehicle Fitment- 2009 GMC Sierra 1500 | SL, SLE, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS
OEM (Genuine) 2009 GMC Sierra 1500 Muffler & Pipe
PartNumber: 20920636Product Specifications- Notes: Silverado, Sierra; 5.3L; W/O Flex Fuel; 119" Wheelbase; 1/2 Ton, Std Cab, 5.3L W/6.5 Ft Box
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 100.6 x 32.7 x 15.2 inches
- Item Weight: 245.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20779898, 25940531
- Part Description: 2009 GMC Sierra 1500 Muffler & Pipe
Vehicle Fitment- 2009 GMC Sierra 1500 | SLE, WT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
OEM (Genuine) 2009 GMC Sierra 1500 Muffler & Pipe
PartNumber: 20920635Product Specifications- Notes: Silverado, Sierra; 5.3L; W/Flex Fuel; 143.5" Wheelbase;Silverado, Sierra; 5.3L; W/O Flex Fuel; 143.5" Wheelbase; 1/2 Ton, Ext Cab, 5.3L W/5.9 Ft Box;1/2 Ton, Std Cab, 5.3L W/8 Ft Box
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 114.9 x 32.0 x 15.1 inches
- Item Weight: 280.00 Pounds
- Fitment Type: Direct Replacement
- Replaces: 19258691, 20779904, 25940537, 25940538
- Part Description: 2009 GMC Sierra 1500 Muffler & Pipe
Vehicle Fitment- 2009 GMC Sierra 1500 | SLE, SLT, WT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
OEM (Genuine) 2009 GMC Sierra 1500 Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
PartNumber: 20920637Product Specifications- Notes: Silverado, Sierra; 5.3L; W/Flex Fuel; 133.9" Wheelbase;Silverado, Sierra; 5.3L; W/O Flex Fuel; 133.9" Wheelbase;Silverado, Sierra; 5.3L; W/O Flex Fuel; 157.5" Wheelbase; 1/2 Ton, Crew Cab, 5.3 Liter;1/2 Ton, Ext Cab, 5.3L W/6.5 Ft Box
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 129.4 x 33.0 x 15.1 inches
- Item Weight: 281.30 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20898762, 25940543
- Part Description: 2009 GMC Sierra 1500 Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
Vehicle Fitment- 2009 GMC Sierra 1500 | SL, SLE, SLT, WT, XFE | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
OEM (Genuine) 2009 GMC Sierra 1500 Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
PartNumber: 25929101
Product Specifications- Notes: Silverado, Sierra; 6.0L; 1/2 Ton
- 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: 2009 GMC Sierra 1500 Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
Vehicle Fitment- 2009 GMC Sierra 1500 | SLE, SLT | 8 Cyl 6.0 L GAS
OEM (Genuine) 2009 GMC Sierra 1500 Muffler & Pipe
PartNumber: 20757530
Product Specifications- Notes: Silverado, Sierra; 6.2L; 119" Wheelbase
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 132.9 x 25.8 x 15.1 inches
- Item Weight: 243.90 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2009 GMC Sierra 1500 Muffler & Pipe
Vehicle Fitment- 2009 GMC Sierra 1500 | Denali, SLE, SLT | 8 Cyl 6.2 L FLEX
OEM (Genuine) 2009 GMC Sierra 1500 Exhaust Muffler Assembly (W/ Resonator, Exhaust & Tail Pipe
PartNumber: 25904822Product Specifications- Notes: 1/2 Ton, Crew Cab, 6.2 Liter
- Other Names: Muffler & Pipe
- Item Dimensions: 142.4 x 27.0 x 16.2 inches
- Item Weight: 74.30 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20757528, 25800608
- Part Description: 2009 GMC Sierra 1500 Exhaust Muffler Assembly (W/ Resonator, Exhaust & Tail Pipe
Vehicle Fitment- 2009 GMC Sierra 1500 | Denali, SLE, SLT | 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
OEM (Genuine) 2009 GMC Sierra 1500 Muffler & Pipe
PartNumber: 20920631Product Specifications- Notes: 1/2 Ton, Std Cab, 4.8L W/6.5 Ft Box
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 103.2 x 33.0 x 15.5 inches
- Item Weight: 244.50 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20779900, 25940533
- Part Description: 2009 GMC Sierra 1500 Muffler & Pipe
Vehicle Fitment- 2009 GMC Sierra 1500 | SLE, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS
OEM (Genuine) 2009 GMC Sierra 1500 Muffler Asm-Exhaust (W/ Exhaust Pipe & Tail Pipe)
PartNumber: 20920633Product Specifications- Notes: Silverado, Sierra; 4.8L; 143.5" Wheelbase; 1/2 Ton, Std Cab, 4.8L W/8 Ft Box
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 116.8 x 33.3 x 15.2 inches
- Item Weight: 271.70 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20779905, 20898059, 25940540, 19258693
- Part Description: 2009 GMC Sierra 1500 Muffler Asm-Exhaust (W/ Exhaust Pipe & Tail Pipe)
Vehicle Fitment- 2009 GMC Sierra 1500 | SLE, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS
OEM (Genuine) 2009 GMC Sierra 1500 Muffler & Pipe
PartNumber: 25940550Product Specifications- Notes: 1/2 Ton, Ext Cab, 6.0 Liter
- Other Names: Muffler & Pipe
- Item Dimensions: 129.4 x 25.5 x 15.6 inches
- Item Weight: 235.70 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20898060
- Part Description: 2009 GMC Sierra 1500 Muffler & Pipe
Vehicle Fitment- 2009 GMC Sierra 1500 | SLE, SLT | 8 Cyl 6.0 L GAS
OEM (Genuine) 2009 GMC Sierra 1500 Muffler & Pipe
PartNumber: 20959692Product Specifications- Notes: 1/2 Ton, Ext Cab, 5.3L W/8 Ft Box
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 142.6 x 33.0 x 16.3 inches
- Item Weight: 351.80 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20779906, 25940541
- Part Description: 2009 GMC Sierra 1500 Muffler & Pipe
Vehicle Fitment- 2009 GMC Sierra 1500 | SL, SLE, SLT, WT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
OEM (Genuine) 2009 GMC Sierra 1500 Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
PartNumber: 20952771
Product Specifications- Notes: 4.3 Liter, Std Cab, 6.5 Ft Box; Silverado, Sierra; 4.3L; 119" Wheelbase
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 101.6 x 32.5 x 14.8 inches
- Item Weight: 36.10 Pounds
- Fitment Type: Direct Replacement
- Replaces: 25940532, 20779899
- Part Description: 2009 GMC Sierra 1500 Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
Vehicle Fitment- 2009 GMC Sierra 1500 | WT | 6 Cyl 4.3 L GAS
OEM (Genuine) 2009 GMC Sierra 1500 Muffler & Pipe
PartNumber: 20952773Product Specifications- Notes: 4.3 Liter, Ext Cab, 6.5 Ft Box; 1/2 Ton, Ext Cab, 4.8L W/5.9 Ft Box; Silverado, Sierra; 4.8L; 119" Wheelbase
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 124.3 x 32.1 x 15.2 inches
- Item Weight: 279.00 Pounds
- Fitment Type: Direct Replacement
- Replaces: 25947797, 20779901, 25940534, 25940530
- Part Description: 2009 GMC Sierra 1500 Muffler & Pipe
Vehicle Fitment- 2009 GMC Sierra 1500 | SLE, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS
OEM (Genuine) 2009 GMC Sierra 1500 Muffler & Pipe
PartNumber: 20952772Product Specifications- Notes: 4.3 Liter, Std Cab, 8 Ft Box; Silverado, Sierra; 4.3L; 143.5" Wheelbase
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 118.3 x 33.2 x 14.6 inches
- Item Weight: 40.60 Pounds
- Fitment Type: Direct Replacement
- Replaces: 25940529, 25940539, 19258692
- Part Description: 2009 GMC Sierra 1500 Muffler & Pipe
Vehicle Fitment- 2009 GMC Sierra 1500 | WT | 6 Cyl 4.3 L GAS
OEM (Genuine) 2009 GMC Sierra 1500 Muffler & Pipe
PartNumber: 25940529Product Specifications- Notes: 4.3 Liter, Ext Cab, 5.9 Ft Box; Silverado, Sierra; 4.3L; 133" Wheelbase;Silverado, Sierra; 4.8L; 133.9" Wheelbase
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 117.2 x 33.5 x 15.4 inches
- Item Weight: 38.30 Pounds
- Fitment Type: Direct Replacement
- Replaced by: 20952772
- Part Description: 2009 GMC Sierra 1500 Muffler & Pipe
Vehicle Fitment- 2009 GMC Sierra 1500 | WT | 6 Cyl 4.3 L GAS
OEM (Genuine) 2009 GMC Sierra 1500 Muffler Asm-Exhaust (W/ Resonator, Exhaust & Tail Pipe
PartNumber: 25940549Product Specifications- Notes: 1/2 Ton, Crew Cab, 6.0 Liter
- Other Names: Muffler & Pipe
- Item Dimensions: 134.1 x 26.2 x 15.6 inches
- Item Weight: 244.30 Pounds
- Replaces: 20898761
- Part Description: 2009 GMC Sierra 1500 Muffler Asm-Exhaust (W/ Resonator, Exhaust & Tail Pipe
Vehicle Fitment- 2009 GMC Sierra 1500 | Hybrid, SLE, SLT | 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS
FAQ for Exhaust Pipe Repair
Q: How do you install the exhaust seal (With V8 Engine)?
A:
You can install the new appropriate exhaust seal and install the catalytic converter.
By Bob
GM Specialist
01/11/2022Q: What is the removal procedure for the exhaust seal (With V8 Engine)?
A:
The procedure is to remove the catalytic converter and remove the appropriate exhaust seal.
By Bob
GM Specialist
01/11/2022Q: How do you install the exhaust seal (With ZW9 Cab Chassis)?
A:
You can install the NEW appropriate exhaust seal or gasket, install the exhaust manifold pipe and install the left catalytic converter.
By Bob
GM Specialist
01/11/2022Q: What is the removal procedure for the exhaust seal (With ZW9 Cab Chassis)?
A:
The procedure is to remove the left catalytic converter, remove the exhaust manifold pipe and remove the appropriate exhaust seal or gasket.
By Bob
GM Specialist
01/11/2022Q: What should you remove if equipped with a 6.0L engine?
A:
You should remove the exhaust manifold pipe and the left catalytic converter.
By Bob
GM Specialist
29/10/2022