Freightliner Exhaust 2002 & Up

Freightliner Exhaust Systems -

There are many options and combinations. Some Part Cross-References with OE Numbers.
Mercedes Diesel Engine Pipes / Mufflers 4 & 6 Cyl.
Engine Pipes - See below for diagrams
SBP Engine Pipe
Engine Pipe OE#
Cyl.
XFRLMTP
04-20964-000
6
XFRLMTP2
04-22451-000
6
XFRLMTP3
04-22450-000
6
XFRLTT
04-21077-000
6
XFRLTT2
04-21076-000
4
XFRIP-1

04-22748-000 &04-25601-000
4
XFRIP-4
04-22454-000 & O4-25563-000
4
Mercedes Engine Pipe V-Clamps

XCL4MB OE # A04-19184-001/AO4-6209910490 Fits 4 Cylinder Mercedes Diesel Engines

XCL6MB OE #AO41984-000 & A6209970590 Fits Mercedes 6 Cylinder Diesel Engines

Offset In - Offset Out

Center In - Center Out
Regular Mufflers (all 36" Body Length x 11" Diameter)

XFRLM4 4" ID In, 4" ID Out

Replaces OE #04-19936-004

XFRLM6 - 4" ID In, 4" ID Out

Replaces OE #04-19936-001
XFRLM3 - 3" ID In, 4" ID Out
XFRLM5 - 3=1/2" ID In, 3-1/2" ID Out
MERCEDES DIESEL- 4 CYLINDER
XFRLTT2 - OE# 04-21076-000/04-25564-000

 
XFRIP-1 OE # 04-22748-000 & 04-25601-000

 

XFRIP-4 OE #04-223454-000 & 04-25563-000
MERCEDES DIESEL- 6 CYLINDERS
XFRLMTP - OE# 04-20964-000/04-25591-000

 

 

 

 

 
XFRLMTP2 - OE# 04-22451-000/ 04-22565-000
XFRET-1V Front Pipe OE #04-21015-012

 

 

XFRLMTP3 - OE# 04-22450-000 &

04-25591-000

 

XFRLMERC1 Rear Pipe

OE#04-223581-000

 

 

 
Caterpillar 3126 Diesel Engine Pipes
XFRL3126TT OE #04-21077-001
XFRL3126T-1 OE #04-20759-000

 

XFRL3126T-4 OE #04-22446-000

 
XFRL3126T-5 OE #04-22446-001

 

 

 

 

 

 

 

 
XFRLTT OE #04-21077-000

 

 

 

 

 

 

 

 
XFREP-1 Front Pipe OE #04-21015-000/ 04-22581-000

 

 

XFRLMERC1 Rear Pipe

OE#04-223581-000

 

 

 

 

XCL3116CTVIH V-Clamp to fit Caterpillar 3116 & 3126 Engine Pipes

Replaces OE #6124-0208
XBV3126M2 Muffler for use with Caterpillar 3126 Engine- 36" Body Length-4" Center Inlet-4" Center Outlet. Use w. offset adapter XX04 Replaces OE #04-20831-000
XX04 offset adapter for Muffler XBV3126M2
Freightliner Exhaust - Muffler Back Rear Exit Exhaust System
Extension Pipe - Most Systems
Overaxle Pipe
Tailpipe Rear Exit - Most Systems

XT400-12E

OE Number 04-17925-005

 
XFRLOAX - Air Suspension. OE# 04-21453-000 6" Straight Section
 
XFRLTPO2
OE# 04-21455-78/81/108/114
 
XFRLTP02XL
 
OE# 04-21455-128
* Side Exit Exhaust Below
XFRLOAS4- Air Suspension. OE# 04-22434-000 12" Straight Section
XTHAXR1- Saf-T-Liner EF- 2004 & Up w. Air Suspension. OE #6224-1227
*Other Tailpipes at Bottom of Page
XFRLOAS3 - Spring Suspension. OE# 04-22433-000 14" Axle Span

 
XFRLOAS6- Saf-T-Liner C2 w. Spring Suspension-2002 & Later OE #04-22843-000
 
 
 
XFRLOA454 used w. Spring Suspension. OE # 04-21454-000 17" Axle Span
  
 
 
XFRLOAS42 used w. Air Suspension. OE #04-22842-000
  
Freightliner Exhaust - Left or Right Side Bumper Exit Overaxle Pipes
XFRLAX2- Right Side Exit, Spring Susp. w/ Side or Rear Fuel Tank. OE # 04-17926-001
XFRLOAFT - Left Side Exit used w/ Rear Fuel Tank. OE #04-17962-000
XFRLAX1 - Right Side Exit Air Ride Susp. w/ Side or Rear Fuel Tank. OE # 04-18363-001

XFRLOARFT2 - Left Side Exit Air Susp. w/ Rear Tank. OE #04-18363-000
XFRLOAAS3 - Right Side Exit Air Ride Susp. - Flat spot at top of rise. OE #04-18701-000
Freightliner Exhaust - Side Bumper Exit Tailpipes / Extensions
Thomas/Freightliner Tailpipe 2002 & Later
XFRLTP02 Rear Tail Pipe Assembly (2 pieces). OE #04-21455-008/-078/-081/-102/-108/-114
XFRLTP02XL Rear Tail pipe Assembly (2 pieces). OE #04-21455-128
 
Freightliner/Thomas Tailpipes Left or Right

XFRL4TP for buses up thru 66 passengers. OE #04-20378-016

XFRL4TP77 for 72 & 77 passenger buses. OE #04-17927/ 04-20378-020/-037/-040
Tailpipe Extensions
 

XFRLTB - Extension for exit thru rear bumper

 
XFRLUB - Extension for exit under rear bumper
XFRLTPX17 OE #04-20537-000
OE Part Numbers are used for Cross Reference Purposes Only
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