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Mack Exhaust Parts

Catalytic Converter
Mack Catalytic Converter Parts 27 parts
Exhaust and Tail Pipes
Mack Exhaust and Tail Pipes 19 parts
Hardware, Fasteners and Fittings
Mack Hardware, Fasteners and Fittings 15 parts
Sensors
Mack Sensors 7 parts
Gaskets and Sealing Systems
Mack Gaskets and Sealing Systems 7 parts
Mufflers
Mack Mufflers 3 parts
Exhaust Manifolds
Mack Exhaust Manifolds 3 parts
Switches, Solenoids and Actuators
Mack Switches, Solenoids and Actuators 2 parts
Wire, Cable and Related Components
Mack Wire, Cable and Related Components 1 part
Emission Components
Mack Emission Components 1 part
Brackets, Flanges and Hangers
Mack Brackets, Flanges and Hangers 1 part

1–48 of 1000+ results

United Pacific 21233
United Pacific logo
Top Seller

United Pacific 21233 48" Tall 180-Deg Stainless Exhaust Muffler Shield for 5" Exhaust, Round Slot

Exhaust Muffler Shield

UNITED PACIFIC 48" Tall 180-Deg Stainless Exhaust Muffler Shield for 5" Exhaust, Round Slot 710270212330
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Donaldson M085171
Donaldson logo
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Donaldson M085171 Exhaust Muffler - Steel, 40.00 in. Overall length, Round Style

Exhaust Muffler

DONALDSON Exhaust Muffler - Steel, 40.00 in. Overall length, Round Style 00742330004944
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Dorman 674-9046
Dorman logo
Top Seller

Dorman 674-9046 Exhaust V-Band Clamp And Gasket

Diesel Particulate Filter (DPF) Hardware Kit

Fits Mack
DORMAN Exhaust V-Band Clamp And Gasket 00889245549822
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Donaldson M090544
Donaldson logo
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Donaldson M090544 Exhaust Muffler - 51.00 in. Overall length, Round

Exhaust Muffler

DONALDSON Exhaust Muffler - 51.00 in. Overall length, Round 00742330005248
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United Pacific FLV-17094-012
United Pacific logo
Top Seller

United Pacific FLV-17094-012 Exhaust Elbow - Aluminized, for Freightliner, OEM No. 04- 17094- 012

Exhaust Elbow

UNITED PACIFIC Exhaust Elbow - Aluminized, for Freightliner, OEM No. 04- 17094- 012 710270042524
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PAI 831016
PAI logo
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PAI 831016 Exhaust Manifold Kit - Fits Mack E7 / E-Tech / Aset Series Application

PAI

Exhaust Manifold Kit

PAI Exhaust Manifold Kit - Fits Mack E7 / E-Tech / Aset Series Application 00193807075002
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Walker Exhaust 21838
Walker Exhaust logo
Top Seller

Walker Exhaust 21838 Heavy Duty Direct Fit Exhaust Muffler 4" Inlet (Inside) 4" Outlet (Inside)

Exhaust Muffler

Fits Mack
WALKER EXHAUST Heavy Duty Direct Fit Exhaust Muffler 4" Inlet (Inside) 4" Outlet (Inside) 00086387218382
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WABCO 4324139292
WABCO logo
Top Seller

WABCO 4324139292 Purge Valve Rebuild Kit - For System Saver 1200 Air Dryers, Formerly Meritor R950014

Exhaust System Kit

WABCO Purge Valve Rebuild Kit - For System Saver 1200 Air Dryers, Formerly Meritor R950014 00193133437185
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Dayton Parts 924-6015
Dayton Parts logo
Top Seller

Dayton Parts 924-6015 HD Lower DPF Muffler Housing

Selective Catalytic Reduction (SCR) Pipe Connector

Fits Mack
DAYTON PARTS HD Lower DPF Muffler Housing 00194883128729
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Donaldson M100465
Donaldson logo
Top Seller

Donaldson M100465 Exhaust Muffler - Steel, 51.00 in. Overall length, Round Style

Exhaust Muffler

DONALDSON Exhaust Muffler - Steel, 51.00 in. Overall length, Round Style 00742330005507
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United Pacific CE902-5-1212
United Pacific logo
Top Seller

United Pacific CE902-5-1212 Chrome 90-Deg Exhaust Expanded Elbow, 5" I.D. To 5" O.D., 12" x 12"

Exhaust Elbow

UNITED PACIFIC Chrome 90-Deg Exhaust Expanded Elbow, 5" I.D. To 5" O.D., 12" x 12" 710270039364
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Dorman 904-7125
Dorman logo
Top Seller

Dorman 904-7125 Brake Actuator

Exhaust Brake Actuator

Fits Mack
DORMAN Brake Actuator 00885484457089
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Dorman 674-6029
Dorman logo
Top Seller

Dorman 674-6029 EXHAUST BELLOW

Exhaust Pipe Bellow

Fits Mack
DORMAN EXHAUST BELLOW 00889245041555
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Dorman 674-6025
Dorman logo
Top Seller

Dorman 674-6025 EXHAUST BELLOW

Exhaust Pipe Bellow

Fits Mack
DORMAN EXHAUST BELLOW 00889245041470
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PAI 805064
PAI logo
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PAI 805064 Exhaust Manifold Kit - Mack E7 Application

PAI

Exhaust Manifold Kit

PAI Exhaust Manifold Kit - Mack E7 Application 00193807206567
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Dorman 674-7011
Dorman logo
Top Seller

Dorman 674-7011 Exhaust V-Band Clamp

Exhaust Clamp

Fits Mack
DORMAN Exhaust V-Band Clamp 00889245535849
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United Pacific E90-75-3524
United Pacific logo
Top Seller

United Pacific E90-75-3524 Exhaust Elbow Reducer - 90-Degree Angle, Chrome, 7" O.D. to 5" O.D. Reduction, 35" x 24" (Long-Leg Design)

Exhaust Elbow

UNITED PACIFIC Exhaust Elbow Reducer - 90-Degree Angle, Chrome, 7" O.D. to 5" O.D. Reduction, 35" x 24" (Long-Leg Design) 710270032303
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Dorman 674-7012
Dorman logo
Top Seller

Dorman 674-7012 Exhaust V-Band Clamp

Exhaust Clamp

Fits Mack
DORMAN Exhaust V-Band Clamp 00889245535863
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Walker Exhaust 22936
Walker Exhaust logo
Top Seller

Walker Exhaust 22936 Heavy Duty Direct Fit Exhaust Muffler 4" Inlet (Inside) 4" Outlet (Inside)

Exhaust Muffler

Fits Mack
WALKER EXHAUST Heavy Duty Direct Fit Exhaust Muffler 4" Inlet (Inside) 4" Outlet (Inside) 00086387229364
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United Pacific E390-65-1313
United Pacific logo
Top Seller

United Pacific E390-65-1313 Chrome 90-Deg Exhaust Elbow, Reduce 6" O.D. To 5" O.D., 13" x 13"

Exhaust Elbow

UNITED PACIFIC Chrome 90-Deg Exhaust Elbow, Reduce 6" O.D. To 5" O.D., 13" x 13" 710270039890
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Donaldson M065030
Donaldson logo
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Donaldson M065030 Spark Arrestor - 12.85 in. Overall length, 6.61 in. max. body dia.

Spark Arrestor

DONALDSON Spark Arrestor - 12.85 in. Overall length, 6.61 in. max. body dia. 00742330004630
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Cummins 3688976
Cummins logo
Top Seller

Cummins 3688976 Exhaust Pipe Connector

Exhaust Pipe Connector

CUMMINS Exhaust Pipe Connector
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United Pacific E390-75-1616
United Pacific logo
Top Seller

United Pacific E390-75-1616 Chrome 90-Deg Exhaust Elbow, Reduce 7" O.D. To 5" O.D., 16" x 16"

Exhaust Elbow

UNITED PACIFIC Chrome 90-Deg Exhaust Elbow, Reduce 7" O.D. To 5" O.D., 16" x 16" 710270039906
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United Pacific E490-65-1313
United Pacific logo
Top Seller

United Pacific E490-65-1313 Chrome 90-Deg Exhaust Elbow, Reduce 6" O.D. To 5" I.D., 13" x 13"

Exhaust Elbow

UNITED PACIFIC Chrome 90-Deg Exhaust Elbow, Reduce 6" O.D. To 5" I.D., 13" x 13" 710270039920
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PAI 181021
PAI logo
Top Seller

PAI 181021 Exhaust Manifold Kit - Cummins Engine L10/M11/ISM Application

PAI

Exhaust Manifold Kit

PAI Exhaust Manifold Kit - Cummins Engine L10/M11/ISM Application 00193807150143
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Donaldson M100463
Donaldson logo
Top Seller

Donaldson M100463 Exhaust Muffler - 51.00 in. Overall length

Exhaust Muffler

DONALDSON Exhaust Muffler - 51.00 in. Overall length 00742330005484
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PAI 181022
PAI logo
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PAI 181022 Exhaust Manifold Kit - Cummins Engine L10/M11/ISM Application

PAI

Exhaust Manifold Kit

PAI Exhaust Manifold Kit - Cummins Engine L10/M11/ISM Application 00193807150167
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Dorman 674-5017
Dorman logo
Top Seller

Dorman 674-5017 Exhaust Pipe Turbocharger Outlet

Turbocharger Down Pipe

Fits Mack
DORMAN Exhaust Pipe Turbocharger Outlet 00885484702516
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United Pacific E90-65-3524
United Pacific logo
Top Seller

United Pacific E90-65-3524 Chrome 90-Deg Exhaust Elbow, Reduce 6" O.D To 5" O.D., 35" x 24"

Exhaust Elbow

UNITED PACIFIC Chrome 90-Deg Exhaust Elbow, Reduce 6" O.D To 5" O.D., 35" x 24" 710270032310
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United Pacific YA-5-02A
United Pacific logo
Top Seller

United Pacific YA-5-02A Universal Aluminized 5" Y Pipe, 25" W x 14" L

Exhaust Y Pipe

UNITED PACIFIC Universal Aluminized 5" Y Pipe, 25" W x 14" L 710270040407
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PAI 681107
PAI logo
Top Seller

PAI 681107 Series 60 Exhaust Manifold Kit - Front, Center and Rear Section, Low Mount 30-deg Angle

PAI

Exhaust Manifold Kit

PAI Series 60 Exhaust Manifold Kit - Front, Center and Rear Section, Low Mount 30-deg Angle 00193807062873
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Donaldson P235797
Donaldson logo
Top Seller

Donaldson P235797 Exhaust Flare Connector - 5" diameter x 2.99" long

Exhaust Pipe Connector

DONALDSON Exhaust Flare Connector - 5" diameter x 2.99" long 00742330973110
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Dorman 674-6024
Dorman logo
Top Seller

Dorman 674-6024 Flex Bellows Kit

Exhaust Pipe Bellow

Fits Mack
DORMAN Flex Bellows Kit 00889245041456
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Dorman 674-3105
Dorman logo

Dorman 674-3105 HD DOC - Not CARB Compliant

Diesel Oxidation Catalyst (DOC)

Fits Mack
DORMAN HD DOC - Not CARB Compliant 00889245156365
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United Pacific FLCE-17476-000
United Pacific logo
Top Seller

United Pacific FLCE-17476-000 Exhaust Elbow, Aluminized Steel, Replaces Freightliner Item #: 04-17476-000

Exhaust Elbow

UNITED PACIFIC Exhaust Elbow, Aluminized Steel, Replaces Freightliner Item #: 04-17476-000 710270031955
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Dorman 674-9066
Dorman logo
Top Seller

Dorman 674-9066 Diesel Particulate Filter (DPF) Gasket

Diesel Particulate Filter (DPF) Gasket

Fits Mack
DORMAN Diesel Particulate Filter (DPF) Gasket 00889245937216
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Dorman 904-0261
Dorman logo
Top Seller

Dorman 904-0261 "HD Solutions" Exhaust V-Band Clamp

Exhaust Clamp

Fits Mack
DORMAN "HD Solutions" Exhaust V-Band Clamp 00194883033603
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Dayton Parts 674-2063
Dayton Parts logo

Dayton Parts 674-2063 HD Diesel Particulate Filter

Diesel Particulate Filter (DPF)

Fits Mack
DAYTON PARTS HD Diesel Particulate Filter 00194883674752
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United Pacific 21300
United Pacific logo
Top Seller

United Pacific 21300 Stainless Straight Exhaust Bracket for Peterbilt 359/379

Exhaust Bracket

UNITED PACIFIC Stainless Straight Exhaust Bracket for Peterbilt 359/379 710270213009
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Dorman 674-2000
Dorman logo

Dorman 674-2000 HD DPF - Not CARB Compliant

Diesel Particulate Filter (DPF)

Fits Mack
DORMAN HD DPF - Not CARB Compliant 00885484594364
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Dorman 674-6028
Dorman logo

Dorman 674-6028 CL14-Exhaust Be

Exhaust Pipe Bellow

Fits Mack
DORMAN CL14-Exhaust Be 00889245041531
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Dorman 674-5002
Dorman logo

Dorman 674-5002 "HD Solutions" Exhaust Manifold Kit - includes Required Gaskets and Hardware

Exhaust Manifold

Fits Mack
DORMAN "HD Solutions" Exhaust Manifold Kit - includes Required Gaskets and Hardware 00885484514065
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Dorman 674-2002
Dorman logo

Dorman 674-2002 HD DPF - Not CARB Compliant

Diesel Particulate Filter (DPF)

Fits Mack
DORMAN HD DPF - Not CARB Compliant 00885484595453
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Dorman 904-7108
Dorman logo
Top Seller

Dorman 904-7108 Exhaust Brake Actuator

Exhaust Brake Actuator

Fits Mack
DORMAN Exhaust Brake Actuator 00885484457041
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Dorman 904-7106
Dorman logo
Top Seller

Dorman 904-7106 EGP SENSOR

Exhaust Gas Differential Pressure Sensor

Fits Mack
DORMAN EGP SENSOR 00885484436251
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Dayton Parts 674-2109
Dayton Parts logo

Dayton Parts 674-2109 HD Diesel Oxidation Catalyst

Diesel Oxidation Catalyst (DOC)

Fits Mack
DAYTON PARTS HD Diesel Oxidation Catalyst 00194883675599
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Dorman 674-2053
Dorman logo

Dorman 674-2053 HD DPF - Not CARB Compliant

Diesel Particulate Filter (DPF)

Fits Mack
DORMAN HD DPF - Not CARB Compliant 00889245156242
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Dorman 674-5011
Dorman logo
Ships Free

Dorman 674-5011 HD Exhaust Manifold Kit

Exhaust Manifold

Fits Mack
DORMAN HD Exhaust Manifold Kit 00885484816305
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