Peterbilt Exhaust Parts
Upgrade your big rig with premium Peterbilt exhaust systems from 4 State Trucks. Our extensive collection of Peterbilt semi truck exhaust components delivers the perfect blend of performance and style. From chrome stacks to high-flow mufflers, we offer everything to enhance your Peterbilt exhaust setup. Improve fuel efficiency, reduce backpressure, and turn heads with our top-quality Peterbilt exhaust solutions. Whether you're after a subtle upgrade or a complete custom overhaul, 4 State Trucks has the Peterbilt exhaust options to make your truck rumble with power and pride on the open road.
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On SaleLimited Quantity Available
BESTfit 5 X 7 Inch Half Round Heat Shield For Peterbilt & Freightliner W/ High Mount Exhaust
BESTFIT TRUCK PARTS
Now: $48.55Was: $69.35BESTfit Heat Shield Fits Multiple ModelsShield your exhaust with our high mount heat shield, designed for a 5-inch exhaust pipe with one inch of breathing room. Protect your system from excessive heat and ensure optimal performance.* High Quality Heat...29-080805- SKU:
- 29-080805
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Length Options:
- 7 Inch
- Material Options:
- Steel
- Make:
- Freightliner
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Product Type:
- Exhaust
- Degree Options:
- 100
- Availability:
- Ready To Ship
Now: $48.55Was: $69.35Qty in Cart: 0Price:Now: $48.55Was: $69.35Subtotal: -
1-Piece Stainless Steel Diesel Particulate Filter Replaces 4965304NX, 2888247NX For Cummins ISX Engine
GLOBAL EMISSIONS
$2,141.991-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISX Engine* High Quality Diesel Particulate Filter* Made Of 304 Stainless Steel * Exclusive 1-Piece Canister Design For Durability* OEM Quality Clamps And Gaskets Included* Sold Individually...29-080600057- SKU:
- 29-080600057
- Truck Class:
- Heavy Duty
- Style Options:
- Cummins
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Product Type:
- Exhaust
$2,141.99Qty in Cart: 0Price:$2,141.99Subtotal: -
1-Piece Stainless Steel Diesel Particulate Filter Replaces 1827310PEX For Cummins ISX Engine
GLOBAL EMISSIONS
$2,021.991-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISX Engine* High Quality Diesel Particulate Filter* Made Of Stainless Steel * Exclusive 1-Piece Canister Design For Durability* OEM Quality Clamps And Gaskets Included* Sold Individually *...29-080600026- SKU:
- 29-080600026
- Truck Class:
- Heavy Duty
- Style Options:
- Cummins
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Product Type:
- Exhaust
$2,021.99Qty in Cart: 0Price:$2,021.99Subtotal: -
1-Piece Stainless Steel Diesel Particulate Filter Replaces 2871578 For Cummins ISX Engine
GLOBAL EMISSIONS
$2,029.991-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISX Engine* High Quality Diesel Particulate Filter* Made Of Stainless Steel * Exclusive 1-Piece Canister Design For Durability* OEM Quality Clamps And Gaskets Included* Sold Individually *...29-080600025- SKU:
- 29-080600025
- Truck Class:
- Heavy Duty
- Style Options:
- Cummins
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Product Type:
- Exhaust
$2,029.99Qty in Cart: 0Price:$2,029.99Subtotal: -
1-Piece Stainless Steel Diesel Particulate Filter Replaces 4965227 For Cummins ISB/PX6 Engines
GLOBAL EMISSIONS
$1,356.991-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISB & PX6 Engines* High Quality Diesel Particulate Filter* Made Of Stainless Steel * Exclusive 1-Piece Canister Design For Durability* OEM Quality Clamps And Gaskets Included* Sold...29-080600024- SKU:
- 29-080600024
- Truck Class:
- Heavy Duty
- Style Options:
- Cummins
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Product Type:
- Exhaust
$1,356.99Qty in Cart: 0Price:$1,356.99Subtotal: -
Stainless Steel Diesel Particulate Filter Replaces 4969838NX, 4965286NX For Cummins/PACCAR ISC, PX8 Engines
GLOBAL EMISSIONS
$1,625.99Stainless Steel Diesel Particulate Filter Fits Cummins/PACCAR ISC & PX8 Engines* High Quality Diesel Particulate Filter* Made Of Stainless Steel * OEM Quality Clamps And Gaskets Included* Sold Individually * Warranty On Diesel Particulate Filter Against...29-080600023- SKU:
- 29-080600023
- Truck Class:
- Heavy Duty
- Style Options:
- Cummins
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Product Type:
- Exhaust
$1,625.99Qty in Cart: 0Price:$1,625.99Subtotal: -
Stainless Steel Diesel Particulate Filter Replaces 290-0045, 301-7856, 10R-6088 For Caterpillar C13, C15 Engines
GLOBAL EMISSIONS
$4,114.99Stainless Steel Diesel Particulate Filter Fits Caterpillar C13 & C15 Engines* High Quality Diesel Particulate Filter* Made Of Stainless Steel * OEM Quality Clamps And Gaskets Included* Sold Individually * Warranty On Diesel Particulate Filter Against...29-080600021- SKU:
- 29-080600021
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Product Type:
- Exhaust
$4,114.99Qty in Cart: 0Price:$4,114.99Subtotal: -
Heavy Duty Diesel Oxidation Catalyst - Replaces 4965284NX, 5287496NX, A035H295
DAYTON / DORMAN
$2,286.99Heavy Duty Diesel Oxidation Catalyst* High Quality Diesel Oxidation Catalyst* Color: Natural* Grade Type: Regular* Package Contents: - 1 Diesel Oxidation Filter - 2 Gaskets* Sold Individually** Warranty On Diesel Oxidation Catalysts Against...29-080600009- SKU:
- 29-080600009
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Make:
- Peterbilt
- Product Type:
- Exhaust
$2,286.99Qty in Cart: 0Price:$2,286.99Subtotal: -
20 X 13.9 X 17 Inch Heavy Duty Diesel Particulate Filter - Replaces 4965229, 4965286, 4965286NX, 4969838
DAYTON / DORMAN
$2,134.99Heavy Duty DPF - Replaces 4969838NX, 4969839, 4969839NX, Q621371, Q623316 & Q623804* High Quality DPF* Body Height: 20 Inch* Body Length: 13.9 Inch* Body Material: Stainless Steel* Body Width: 17 Inch* Grade Type: Standard* Inlet Gasket Included: Yes*...29-080600008- SKU:
- 29-080600008
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Make:
- Kenworth
- Product Type:
- Exhaust
$2,134.99Qty in Cart: 0Price:$2,134.99Subtotal: -
Outlet Nox Nitrogen Oxide Exhaust Sensor Connector Replaces 2894946NX For Cummins ISL
DAYTON / DORMAN
$356.99Nitrogen Oxide Exhaust Sensor ConnectorThe nitrogen oxide (NOx) exhaust sensor features a grey, oval-shaped female connector and four male blade terminals. It is equipped with 22-gauge wires measuring 920mm in length. The OE number for this sensor is...29-080600007- SKU:
- 29-080600007
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Make:
- Peterbilt
- Product Type:
- Exhaust
$356.99Qty in Cart: 0Price:$356.99Subtotal: -
DPF Differential Pressure Sensor - Replaces 2596655C1, 4921730
DAYTON / DORMAN
$199.99DPF Differential Pressure Sensor* High Quality DPF Differential Pressure Sensor* Color: Black* Gender: Female* Maximum Pressure: 10 PSI* Shape: Oval* Terminal Gender: Male* Terminal Quantity: 3* Terminal Type: Blade* Sold Individually** Warranty On DPF...29-080600006- SKU:
- 29-080600006
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Make:
- Kenworth
- Product Type:
- Exhaust
$199.99Qty in Cart: 0Price:$199.99Subtotal: -
On Sale
Inlet Nox Nitrogen Oxide Sensor Replaces 2871978, 2894939 For Cummins ISX Newer
DAYTON / DORMAN
Now: $82.01Was: $356.99Nitrogen Oxide Sensor Inlet Of Diesel Particulate Filter Replaces 2871978, 2894939, 2894939RX, 4984053, 4984576The NOx sensor for Cummins ISX 2013 and newer models features a 590mm lead and operates at 12 volts. It serves as a replacement for multiple...29-080600003- SKU:
- 29-080600003
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Make:
- Peterbilt
- Availability:
- Ready To Ship
Now: $82.01Was: $356.99Qty in Cart: 0Price:Now: $82.01Was: $356.99Subtotal: -
Outlet Nox Nitrogen Oxide Sensor Replaces 1954666PE, 1954666PRX, 2872947NX, 4326869RX For Cummins ISB 6.7
DAYTON / DORMAN
$374.99Nitrogen Oxide Sensor Outlet Of Diesel Particulate Filter* High Quality Nitrogen Oxide Sensor* NOx Sensor For Cummins ISB Engine* Connector Color: Black And Silver* Connector Gender: Female* Connector Shape: Oval* Package Contents: Sensor With Module*...29-080600002- SKU:
- 29-080600002
- Truck Class:
- Heavy Duty
- Make:
- Freightliner
- Product Type:
- Exhaust
$374.99Qty in Cart: 0Price:$374.99Subtotal: -
Exhaust Bellows Kit Replaces M66-7064-0330, 3.5 X 13.25 Inch For Peterbilt & Kenworth
DAYTON / DORMAN
$443.99Exhaust Bellows Kit* High Quality Exhaust Bellows Kit* Metal Material* 3.5 Inch Inside Diameter* 13.25 Inch Length* Includes - 1 Exhaust Bellow - 2 Clamps - 2 Gaskets* Sold As Kit* Warranty On Exhaust Bellows Kit Against Defects In...29-080420- SKU:
- 29-080420
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Peterbilt
- Make:
- Kenworth
- Finish Options:
- Chrome-Plated
- Length Options:
- 13 1/4 Inch
- Diameter Options:
- 3 1/2 Inch
- Product Type:
- Exhaust
$443.99Qty in Cart: 0Price:$443.99Subtotal: -
Exhaust Flex Bellows Kit Replaces M66-3541, M66-4111 For Peterbilt & Kenworth
DAYTON / DORMAN
$437.99Exhaust Pipe Bellow KitThe Exhaust Flex Bellows Kit is an ideal replacement for outdated or damaged exhaust components, replacing OEM numbers M66-3541 and M66-4111. This kit, featuring a metal bellow with a 3.5-inch inside diameter and a 12.5-inch...29-080419- SKU:
- 29-080419
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Kenworth
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Length Options:
- 12 1/2 Inch
- Diameter Options:
- 3 1/2 Inch
- Product Type:
- Exhaust
$437.99Qty in Cart: 0Price:$437.99Subtotal: -
On SaleLimited Quantity Available
BESTfit 2.5 X 14.75 Inch Flex Connector W/ Flange Replaces M666559 For Kenworth, Peterbilt
BESTFIT TRUCK PARTS
Now: $103.59Was: $147.99SS 12 3/4 Inch DPF Flex ConnectorIntroducing the BESTfit 2.5 X 14.75 Inch Flex Connector with Flange, a replacement for OE number M66-6559. This premium connector, made in the USA, features a 2.5-inch flange and a compressed length of 12.750 inches,...29-080407- SKU:
- 29-080407
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Steel
- Make:
- Peterbilt
- Make:
- Kenworth
- Finish Options:
- Chrome-Plated
- Length Options:
- 12 3/4 Inch
- Diameter Options:
- 2 1/2 Inch
- Product Type:
- Exhaust
- Availability:
- Ready To Ship
Now: $103.59Was: $147.99Qty in Cart: 0Price:Now: $103.59Was: $147.99Subtotal: -
BESTfit 5 X 14.5 Inch Bead Flex Connector W/ Flange Replaces M6665420335 For Kenworth, Peterbilt
BESTFIT TRUCK PARTS
$305.99BESTfit Stainless Steel 14.5 Inch Long DPF Flex Connector PipeRevitalize your truck's exhaust system with the BESTfit 5 Inch X 14.5 Inch Bead Flex Connector, specifically designed to replace OE numbers M66-6542-0335 and M66-6132-0320. This...29-080406- SKU:
- 29-080406
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Stainless Steel
- Make:
- Kenworth
- Make:
- Peterbilt
- Length Options:
- 14 1/2 Inch
- Diameter Options:
- 5 Inch
- Product Type:
- Exhaust
$305.99Qty in Cart: 0Price:$305.99Subtotal: -
BESTfit 5 X 11.375 Inch Bead Flex Connector W/ Flange Replaces M6665420320 For Kenworth, Peterbilt
BESTFIT TRUCK PARTS
$231.99SS DPF Bead Flex Connector Pipe* High Quality Flex Connector* 5 Inch Flange x 5 Inch Flange x 11.375 Inch Compressed* Sold Individually* Made In USA* Warranty On Flex Connector Against Defects In Workmanship & Material From Date Of Purchase***High...29-080405- SKU:
- 29-080405
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Make:
- Kenworth
- Diameter Options:
- 5 Inch
- Product Type:
- Exhaust
- Availability:
- Ready To Ship
$231.99Qty in Cart: 0Price:$231.99Subtotal: -
BESTfit 4 X 14.25 Inch Flex Connector Replaces M66-65410-405, M66-7091-0405 For Kenworth, Peterbilt
BESTFIT TRUCK PARTS
$272.99BESTfit Stainless Steel 14.25 Inch Long DPF Flex Connector W/ 4 Inch Flange* High Quality Exhaust Connector* 4 Inch Flange x 4 Inch Flange x 14.250 Inch Compressed* Sold Individually* Made In USA* Warranty On Exhaust Connectors Against Defects In...29-080404- SKU:
- 29-080404
- Truck Class:
- Heavy Duty
- Diameter Options:
- 4 Inch
- Location:
- Made In USA
- Length Options:
- 14 1/2 Inch
- Material Options:
- Steel
- Make:
- Kenworth
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Product Type:
- Exhaust
- Availability:
- Ready To Ship
$272.99Qty in Cart: 0Price:$272.99Subtotal: -
BESTfit 4 X 12.25 Inch Flex Connector W/ Flange Replaces M6665410335, M6670910335 For Kenworth, Peterbilt
BESTFIT TRUCK PARTS
$287.99BESTfit Stainless Steel 12.25 Inch Long DPF Flex Connector W/ 4 Inch Flange* High Quality Flex Connector* Made Of Stainless Steel* 4 Inch Flange x 4 Inch Flange x 12.250 Inch Compressed* Sold Individually* Made In USA* Warranty On Flex Connectors Against...29-080403- SKU:
- 29-080403
- Truck Class:
- Heavy Duty
- Diameter Options:
- 4 Inch
- Length Options:
- 12 1/4 Inch
- Location:
- Made In USA
- Material Options:
- Steel
- Make:
- Peterbilt
- Make:
- Kenworth
- Finish Options:
- Chrome-Plated
- Product Type:
- Exhaust
$287.99Qty in Cart: 0Price:$287.99Subtotal:
