Shop by Manufacturer Shop by Category Shop by Truck
Track/Return Order Contact Us About FinditParts Join FinditParts Pro Industry News & Insights

Need help? We're here!

(888) 312-8812
Login Signup
Electrical & Lighting Engine & Drivetrain Brakes, Suspension, & Steering Body Tire & Wheel Other Parts & Supplies Top Searches

FREE GROUND SHIPPING

ON QUALIFYING ORDERS OVER $499

Freightliner MT55 Exhaust Parts

Catalytic Converter
Freightliner MT55 Catalytic Converter Parts 7 parts
Sensors
Freightliner MT55 Sensors 5 parts
Hardware, Fasteners and Fittings
Freightliner MT55 Hardware, Fasteners and Fittings 4 parts
Gaskets and Sealing Systems
Freightliner MT55 Gaskets and Sealing Systems 2 parts
Wire, Cable and Related Components
Freightliner MT55 Wire, Cable and Related Components 1 part
Emission Components
Freightliner MT55 Emission Components 1 part
Exhaust Manifolds
Freightliner MT55 Exhaust Manifolds 1 part

1–48 of 1000+ results

Dorman 674-5007
Dorman logo
Top Seller

Dorman 674-5007 Exhaust Manifold Kit - Includes Required Gaskets And Hardware

Exhaust Manifold

Fits Freightliner MT55
DORMAN Exhaust Manifold Kit - Includes Required Gaskets And Hardware 00885484815681
Fetching price…
Checking stock…
Dayton Parts 924-6032
Dayton Parts logo
Top Seller

Dayton Parts 924-6032 Heavy Duty Def Injector

Diesel Exhaust Fluid (DEF) Injector

Fits Freightliner MT55
DAYTON PARTS Heavy Duty Def Injector 00194883395145
Fetching price…
Checking stock…
Dorman 904-7163
Dorman logo
Top Seller

Dorman 904-7163 "HD Solutions" Heavy Duty Exhaust Pressure Sensor

Exhaust Backpressure Sensor

Fits Freightliner MT55
DORMAN "HD Solutions" Heavy Duty Exhaust Pressure Sensor 00889245875228
Fetching price…
Checking stock…
Dorman 674-7012
Dorman logo
Top Seller

Dorman 674-7012 Exhaust V-Band Clamp

Exhaust Clamp

Fits Freightliner MT55
DORMAN Exhaust V-Band Clamp 00889245535863
Fetching price…
Checking stock…
Dayton Parts 674-2104
Dayton Parts logo
Top Seller

Dayton Parts 674-2104 HD Diesel Oxidation Catalyst

Diesel Oxidation Catalyst (DOC)

Fits Freightliner MT55
DAYTON PARTS HD Diesel Oxidation Catalyst 00194883675490
Fetching price…
Checking stock…
Dorman 674-2064
Dorman logo
Ships Free

Dorman 674-2064 HD DPF - Not CARB Compliant

Diesel Particulate Filter (DPF)

Fits Freightliner MT55
DORMAN HD DPF - Not CARB Compliant 00889245530332
Fetching price…
Checking stock…
Dorman 674-7000
Dorman logo
Top Seller

Dorman 674-7000 Diesel Particulate Filter Exhaust Clamp

Diesel Particulate Filter (DPF) Clamp

Fits Freightliner MT55
DORMAN Diesel Particulate Filter Exhaust Clamp 00889245216595
Fetching price…
Checking stock…
Dorman 904-7106
Dorman logo
Top Seller

Dorman 904-7106 EGP SENSOR

Exhaust Gas Differential Pressure Sensor

Fits Freightliner MT55
DORMAN EGP SENSOR 00885484436251
Fetching price…
Checking stock…
Dorman 674-2004
Dorman logo

Dorman 674-2004 HD DPF - Not CARB Compliant

Diesel Particulate Filter (DPF)

Fits Freightliner MT55
DORMAN HD DPF - Not CARB Compliant 00885484595491
Fetching price…
Checking stock…
Dorman 904-0251
Dorman logo
Top Seller

Dorman 904-0251 "HD Solutions" Exhaust V-Band Clamp

Exhaust Clamp

Fits Freightliner MT55
DORMAN "HD Solutions" Exhaust V-Band Clamp 00194883033580
Fetching price…
Checking stock…
Dayton Parts 674-2107
Dayton Parts logo

Dayton Parts 674-2107 HD Diesel Oxidation Catalyst

Diesel Oxidation Catalyst (DOC)

Fits Freightliner MT55
DAYTON PARTS HD Diesel Oxidation Catalyst 00194883675551
Fetching price…
Checking stock…
Dorman 904-0261
Dorman logo
Top Seller

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

Exhaust Clamp

Fits Freightliner MT55
DORMAN "HD Solutions" Exhaust V-Band Clamp 00194883033603
Fetching price…
Checking stock…
Dorman 674-2031
Dorman logo

Dorman 674-2031 HD DPF - Not CARB Compliant

Diesel Particulate Filter (DPF)

Fits Freightliner MT55
DORMAN HD DPF - Not CARB Compliant 00889245155801
Fetching price…
Checking stock…
Dorman 904-7127
Dorman logo
Top Seller

Dorman 904-7127 Exhaust Gas Differential Pressure Sensor for Blue Bird, Crane Carrier, Freightliner, IC Corporation, International, Kenworth, Mack, Oshkosh Motor Truck Co., Peterbilt, Pierce Mfg. Inc., Sterling Truck, Volvo, Western Star

Exhaust Gas Differential Pressure Sensor

Fits Freightliner MT55
DORMAN Exhaust Gas Differential Pressure Sensor for Blue Bird, Crane Carrier, Freightliner, IC Corporation, International, Kenworth, Mack, Oshkosh Motor Truck Co., Peterbilt, Pierce Mfg. Inc., Sterling Truck, Volvo, Western Star 00885484436312
Fetching price…
Checking stock…
Dorman 674-9030
Dorman logo
Top Seller

Dorman 674-9030 Diesel Particulate Filter Gasket And Clamp Kit

Diesel Particulate Filter (DPF) Hardware Kit

Fits Freightliner MT55
DORMAN Diesel Particulate Filter Gasket And Clamp Kit 00889245532022
Fetching price…
Checking stock…
Dorman 674-9004
Dorman logo

Dorman 674-9004 DPF GASKET

Diesel Particulate Filter (DPF) Gasket

Fits Freightliner MT55
DORMAN DPF GASKET 00885484648784
Fetching price…
Checking stock…
Dayton Parts 311-0015
Dayton Parts logo

Dayton Parts 311-0015 Heavy Duty Wiring Harness

Selective Catalytic Reduction (SCR) Wiring

Fits Freightliner MT55
DAYTON PARTS Heavy Duty Wiring Harness 00194883006843
Fetching price…
Checking stock…
Dorman 674-9043
Dorman logo

Dorman 674-9043 DPF GASKET

Diesel Particulate Filter (DPF) Gasket

Fits Freightliner MT55
DORMAN DPF GASKET 00889245535368
Fetching price…
Checking stock…
Dorman 904-7163CD
Dorman logo

Dorman 904-7163CD EBP SENSOR

Exhaust Backpressure Sensor

Fits Freightliner MT55
DORMAN EBP SENSOR 00889245875259
Fetching price…
Checking stock…
Walker Products 1002-1005

Walker Products 1002-1005 Walker Products HD 1002-1005 Exhaust Backpressure Sensor

Exhaust Backpressure Sensor

Fits Freightliner MT55
WALKER PRODUCTS Walker Products HD 1002-1005 Exhaust Backpressure Sensor 00724620141560
Fetching price…
Checking stock…
Eastern Convertors 78502

Eastern Convertors 78502 Federal / EPA Catalytic Converter - Universal

Catalytic Converter

Fits Freightliner MT55
EASTERN CONVERTORS Federal / EPA Catalytic Converter - Universal 00606729785022
Fetching price…
Checking stock…
PAI 681127HP
PAI logo
Top Seller

PAI 681127HP Exhaust Manifold Kit - High Performance; Thermashield Coating; Detroit Diesel Series 60 Engines

PAI

Exhaust Manifold Kit

PAI Exhaust Manifold Kit - High Performance; Thermashield Coating; Detroit Diesel Series 60 Engines 00193807132460
Fetching price…
Checking stock…
Donaldson M090544
Donaldson logo
Top Seller

Donaldson M090544 Exhaust Muffler - 51.00 in. Overall length, Round

Exhaust Muffler

DONALDSON Exhaust Muffler - 51.00 in. Overall length, Round 00742330005248
Fetching price…
Checking stock…
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
Fetching price…
Checking stock…
Donaldson M085171
Donaldson logo
Top Seller Ships Free

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
Fetching price…
Checking stock…
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
Fetching price…
Checking stock…
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
Fetching price…
Checking stock…
PAI 831016
PAI logo
Top Seller Ships Free

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
Fetching price…
Checking stock…
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
Fetching price…
Checking stock…
PAI 805064
PAI logo
Top Seller Ships Free

PAI 805064 Exhaust Manifold Kit - Mack E7 Application

PAI

Exhaust Manifold Kit

PAI Exhaust Manifold Kit - Mack E7 Application 00193807206567
Fetching price…
Checking stock…
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
Fetching price…
Checking stock…
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
Fetching price…
Checking stock…
Donaldson M065030
Donaldson logo
Top Seller Ships Free

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
Fetching price…
Checking stock…
Dynaflex 87BC-6050CP
Dynaflex logo
Top Seller Ships Free

Dynaflex 87BC-6050CP Exhaust Stack Muffler - Chrome, 6 in. to 5 in., 51 in. Length, 8 in. OAD

Exhaust Muffler

DYNAFLEX Exhaust Stack Muffler - Chrome, 6 in. to 5 in., 51 in. Length, 8 in. OAD 852809876050
Fetching price…
Checking stock…
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
Fetching price…
Checking stock…
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
Fetching price…
Checking stock…
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
Fetching price…
Checking stock…
Dinex 82010
Dinex logo
Top Seller

Dinex 82010 Diesel Particulate Filter (DPF) - Fits Mack/Volvo

Diesel Particulate Filter (DPF)

DINEX Diesel Particulate Filter (DPF) - Fits Mack/Volvo 05700760314601
Fetching price…
Checking stock…
Mack 22983341
Mack logo
Top Seller Ships Free

Mack 22983341 Exhaust Pipe

Exhaust Pipe

MACK Exhaust Pipe
Fetching price…
Checking stock…
PAI 181022
PAI logo
Top Seller Ships Free

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
Fetching price…
Checking stock…
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
Fetching price…
Checking stock…
United Pacific KW9T-18028
United Pacific logo
Top Seller

United Pacific KW9T-18028 Exhaust Y-Divider for Kenworth K180-18028

Exhaust Y Pipe

UNITED PACIFIC Exhaust Y-Divider for Kenworth K180-18028 710270032488
Fetching price…
Checking stock…
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
Fetching price…
Checking stock…
United Pacific FLV-15653-000
United Pacific logo
Top Seller

United Pacific FLV-15653-000 Aluminized Exhaust Elbow for Freightliner 04-15653-000

Exhaust Elbow

UNITED PACIFIC Aluminized Exhaust Elbow for Freightliner 04-15653-000 710270031986
Fetching price…
Checking stock…
United Pacific 21296
United Pacific logo
Top Seller

United Pacific 21296 Exhaust Clamp - 6" Kenworth Stainless Exhaust Clamp

Exhaust Clamp

UNITED PACIFIC Exhaust Clamp - 6" Kenworth Stainless Exhaust Clamp 00710270212965
Fetching price…
Checking stock…
United Pacific FLV-17094-012
United Pacific logo
Top Seller

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

Exhaust Elbow

UNITED PACIFIC Exhaust Elbow - Freightliner Aluminized Exhaust Elbow - OEM No. 04- 17094- 012 00710270042524
Fetching price…
Checking stock…
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
Fetching price…
Checking stock…
United Pacific 10290
United Pacific logo
Top Seller

United Pacific 10290 5" Chrome U-Bolt Exhaust Clamp

Exhaust Clamp

UNITED PACIFIC 5" Chrome U-Bolt Exhaust Clamp 710270102907
Fetching price…
Checking stock…
Next

Related Articles