Freightliner Exhaust / After-treatment Truck Parts

445 products

Showing 193 - 216 of 445 products

Shop Freightliner exhaust and after-treatment parts designed to keep your emissions system operating efficiently and compliant. Truckliner Parts carries new and used DEF system components, DEF tank headers, DEF supply lines, exhaust pipes, clamps, shields, diffuser assemblies, metering units, and related hardware for Freightliner Cascadia, M2, and other heavy-duty truck models.

Whether you're replacing a failed DEF tank header, repairing a DD15 exhaust assembly, resolving after-treatment fault codes, or maintaining emissions performance, we offer quality replacement parts from trusted manufacturers including Cummins Emission Solutions, Bendix, Wabco, Parker, Norgren, and Freightliner OEM.

Our extensive inventory includes hard-to-find exhaust and emissions components that help reduce downtime and restore proper system operation. Backed by more than 40 years of industry experience, Truckliner Parts provides reliable parts at competitive prices.

Browse our full selection of Freightliner exhaust and after-treatment components or call 260-277-2787 for expert support.

Showing 193 - 216 of 445 products

Used Freightliner LH 5" Chrome Back of Cab Exhaust Pipe - P/N 04-21290-001 (9645146702140)

Freightliner Used Freightliner LH 5" Chrome Back of Cab Exhaust Pipe - P/N 04-21290-001

$500.84

Damaged Freightliner 5" SVCM Chrome Muffler Inlet Pipe - P/N 04-21167-001 (9645135593788)

Freightliner Damaged Freightliner 5" SVCM Chrome Muffler Inlet Pipe - P/N 04-21167-001

$500.84

Used Freightliner M2 Rail Mounted ATD Cover & 40" Step ASSY - P/N A22-74844-003 (9639572209980)

Freightliner Used Freightliner M2 Rail Mounted ATD Cover & 40" Step ASSY - P/N A22-74844-003

$1,650.84

Freightliner 73" 1C1 Vertical Exhaust Pipe Support Strut Rod - P/N A04-30761-000 (9630751686972)

Freightliner Freightliner 73" 1C1 Vertical Exhaust Pipe Support Strut Rod - P/N A04-30761-000

$175.74

Used Freightliner 5" Steel Muffler Exhaust Pipe - P/N 04-21071-006 (9627295121724)

Freightliner Used Freightliner 5" Steel Muffler Exhaust Pipe - P/N 04-21071-006

$500.74

Used Freightliner 4" Curved Exhaust Pipe Stack - P/N 04-16677-032 (9627293122876)

Freightliner Used Freightliner 4" Curved Exhaust Pipe Stack - P/N 04-16677-032

$225.74

Used Freightliner Cummins 13/23 Gal SSI DEF Tank Header - P/N 04-31353-005 (9619395838268)

Freightliner Used Freightliner Cummins 13/23 Gal SSI DEF Tank Header - P/N 04-31353-005

$550.74

Freightliner Cummins Gen 2 RH Angle Fill 23 Gal. DEF Tank - P/N A04-35191-011 (9487502246204)

Freightliner Freightliner Cummins Gen 2 RH Angle Fill 23 Gal. DEF Tank - P/N A04-35191-011

$500.54

Freightliner UQLS LH Standard Fill 13 Gal. DEF Tank - P/N A04-34275-006 (9452484329788)

Freightliner Freightliner UQLS LH Standard Fill 13 Gal. DEF Tank - P/N A04-34275-006

$400.54

Freightliner LH 13 Gal. DEF Tank - P/N A04-34275-001 & Header - P/N 04-33656-000 (9452481380668)

Freightliner Freightliner LH 13 Gal. DEF Tank - P/N A04-34275-001 & Header - P/N 04-33656-000

$750.54

Freightliner 13 Gal LH Short Fill Analogue DEF Tank - P/N A04-34275-001 (9452475089212)

Freightliner Freightliner 13 Gal LH Short Fill Analogue DEF Tank - P/N A04-34275-001

$400.54

*Dented* Donaldson MFM11 0867 Fixed Spout Muffler - P/N 04-19698-000 (9421958545724)

Donaldson *Dented* Donaldson MFM11 0867 Fixed Spout Muffler - P/N 04-19698-000

$1,000.54

Used Freightliner Cummins 280CH Silver Steel ATD Front Cover - P/N 22-76305-003 (9421930856764)

Freightliner Used Freightliner Cummins 280CH Silver Steel ATD Front Cover - P/N 22-76305-003

$200.54

Damaged Cummins Exhaust ATD Vented Front Cover w/ Cut-Out - P/N 22-67394-001 (9412239556924)

Cummins Damaged Cummins Exhaust ATD/DPF Vented Front Cover w/ Cut-Out - P/N 22-67394-001

$175.54

Used Freightliner Muffler Mounting Bracket - P/N 04-20921-000 (9409177157948)

Freightliner Used Freightliner Muffler Mounting Bracket - P/N 04-20921-000

$30.54

Freightliner 5" HDEP After Treatment Exhaust Outlet Pipe - P/N 04-29980-000 (9404970041660)

Freightliner Freightliner 5" HDEP After Treatment Exhaust Outlet Pipe - P/N 04-29980-000

$600.54

DTNA Stainless Steel 4" x 14" Flexible Exhaust Pipe - P/N 04-19104-014 (9386597843260)

Daimler (DTNA) DTNA Stainless Steel 4" x 14" Flexible Exhaust Pipe - P/N 04-19104-014

$75.44

Freightliner Exhaust After Treatment Device Elbow Pipe - P/N 04-24471-000 (9313842102588)

Freightliner Freightliner Exhaust After Treatment Device Elbow Pipe - P/N 04-24471-000

$115.44

Dia. Plate 23 Gal. LH Side Angle Fill DEF Tank Cover - P/N A04-27869-013 / 007 (9267504152892)

Freightliner Dia. Plate 23 Gal. LH Side Angle Fill DEF Tank Cover - P/N A04-27869-013 / 007

$450.44

Diamond Plate 23 Gal. LH Straight Fill DEF Tank Cover - P/N A04-27869-012 / 006 (9267309838652)

Freightliner Diamond Plate 23 Gal. LH Straight Fill DEF Tank Cover - P/N A04-27869-012 / 006

$400.44

Used POL 23 Gal. LH Straight Fill DEF Tank Cover - P/N A04-27869-015 / 009 (9267284083004)

Freightliner Used POL 23 Gal. LH Straight Fill DEF Tank Cover - P/N A04-27869-015 / 009

$350.44

Used Dia. Plate POL 23 Gal. LH Short Fill DEF Tank Cover -P/N A04-27869-017 /011 (9267278414140)

Freightliner Used Dia. Plate POL 23 Gal. LH Short Fill DEF Tank Cover -P/N A04-27869-017 /011

$275.44

Dia. Plate POL 23 Gal. LH Angle Fill DEF Tank Cover - P/N A04-27869-016 / 010 (9261939491132)

Freightliner Dia. Plate POL 23 Gal. LH Angle Fill DEF Tank Cover - P/N A04-27869-016 / 010

$250.44

Used FTL Dia. POL Short Fill 13 Gal. Def Tank Cover - P/N A04-27868-015 / 009 (9261866746172)

Freightliner Used FTL Dia. POL Short Fill 13 Gal. Def Tank Cover - P/N A04-27868-015 / 009

$500.44

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