Freightliner Exhaust / After-treatment Truck Parts

445 products

Showing 313 - 336 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 313 - 336 of 445 products

Used Freightliner Aluminum 5" Heating Ventilation Shield - P/N 04-24695-003 (6771034849366)

Freightliner Used Freightliner Aluminum 5" Heating Ventilation Shield - P/N 04-24695-003

$110.62

Used Freightliner Plain Aluminum Exhaust Shield - P/N 04-15612-004 (6771033931862)

Freightliner Used Freightliner Plain Aluminum Exhaust Shield - P/N 04-15612-004

$89.62

Used Freightliner Inner Vertical Stack Exhaust Shield - P/N 04-24468-001 (6771033079894)

Freightliner Used Freightliner Inner Vertical Stack Exhaust Shield - P/N 04-24468-001

$40.62

Used Freightliner 4 Inch Vertical Stack Exhaust Shield - P/N: 04-26000-003 (6767630745686)

Freightliner Used Freightliner 4 Inch Vertical Stack Exhaust Shield - P/N 04-26000-003

$199.62

*Dented* 5" Polished Curved SS Exhaust Pipe Stack - P/N: 04-29504-050 (6754127347798)

Freightliner *Dented* 5" Polished Curved SS Exhaust Pipe Stack - P/N 04-29504-050

$200.52

Used 5" Polished Curved SS Exhaust Pipe Stack - P/N: 04-29504-050 (6754125840470)

Freightliner Used 5" Polished Curved SS Exhaust Pipe Stack - P/N 04-29504-050

$275.52

Used Freightliner 5 Inch Exhaust Pipe - P/N 04-29504-068 (6754098741334)

Freightliner Used Freightliner 5 Inch Exhaust Pipe - P/N 04-29504-068

$500.52

Used Freightliner Aluminum 5" Stack Exhaust Shield- P/N 04-24695-001 (6751097913430)

Freightliner Used Freightliner Aluminum 5" Stack Exhaust Shield - P/N 04-24695-001

$115.04

Used 5" Diameter, 48" Long Curved Stainless Steel Exhaust Pipe Stack (6751094440022)

Freightliner Used 5" Diameter, 48" Long Curved Stainless Steel Exhaust Pipe Stack

$300.52

Used Mercedes Benz Def Tank Lock Ring W/O Seal - P/N: A 001 471 09 30 (6750644764758)

Mercedes-Benz Used Mercedes Benz Def Tank Lock Ring W/O Seal - P/N A 001 471 09 30

$20.52

Freightliner Freightliner DEF Remote Fill Bracket - P/N 04-32561-000

$29.81

Freightliner Daycab Ultrashift ISX 123 ATD Out Pipe - P/N: 04-28893-001 (6740806598742)

Freightliner Freightliner Daycab Ultrashift ISX 123 ATD / DPF Out Pipe - P/N 04-28893-001

$100.42

Freightliner Vertical Exhaust Pipe - P/N 04-34391-000 (6736063299670)

Freightliner Freightliner Vertical Exhaust Pipe - P/N 04-34391-000

$300.42

Used Freightliner Horizontal Muffler - P/N A04-34491-000 (6723261235286)

Freightliner Used Freightliner Horizontal Muffler - P/N A04-34491-000

$299.32

Damaged Freightliner CAT SS 5" Heating Ventilation Shield - P/N 04-24695-004 (6719932891222)

Freightliner Damaged Freightliner CAT SS 5" Heating Ventilation Shield - P/N 04-24695-004

$149.32

Freightliner LH 5" Stainless Steel ADR DC Heat Shield - P/N 04-24695-012 (6719927713878)

Freightliner Freightliner LH 5" Stainless Steel ADR DC Heat Shield - P/N 04-24695-012

$199.32

Damaged Freightliner 5" Stack H/V SS Exhaust Shield - P/N 04-24695-002 (6702937866326)

Freightliner Damaged Freightliner 5" Stack H/V SS Exhaust Shield - P/N 04-24695-002

$130.12

Dieter's Perforations w/ Cab Muffler Shield - P/N 23101-3482 (6701291929686)

Dieter Dieter's Perforations w/ Cab Muffler Shield - P/N 23101-3482

$175.12

Freightliner SS Short 4" Exhaust Shield - P/N 04-29265-003 (6701016547414)

Freightliner Freightliner SS Short 4" Exhaust Shield - P/N 04-29265-003

$150.12

Freightliner Coronado Left-Hand Exhaust Shield w/ Logo - P/N 04-30056-002

$450.12

Freightliner DEF Coolant Bracket - P/N 04-32948-000 (6655207473238)

Freightliner Freightliner DEF Coolant Bracket - P/N 04-32948-000

$12.09

Damaged Dieter's WST 4700, DD13 SS 5" Exhaust Shield - P/N 04-25039-005 (6644946206806)

Dieter Damaged Dieter's WST 4700, DD13 SS 5" Exhaust Shield - P/N 04-25039-005

$115.09

Used Mid Chasis M2 Coolant Tube - P/N: A04-31392-000 (6643468795990)

Freightliner Used Mid Chasis M2 Coolant Tube - P/N A04-31392-000

$120.09

Mid Chasis M2 Coolant Tube - P/N: A04-31392-000 (6643457818710)

Freightliner Mid Chasis M2 Coolant Tube - P/N A04-31392-000

$115.09

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