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 Number A04-19184-001/AO4-6209910490 Fits 4 Clinder Mercedes Diesel Engines

XC6MB OE Number 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 or XFRLMERCT6M - 4" ID In, 4" ID Out
XFRLM6 - 4" ID In, 4" ID Out
XFRLM3 - 3" ID In, 4" ID Out
XFRLM5 - 3" ID In, 4" ID Out
Catalytic Mufflers

XFRLMCM - 4" ID In, 4" ID Out, 11" Diameter-.32" Body Length-use 4" OD to 3" ID Reducer for Cummins Applications
XFRLMBC - 8" Dia., 3" ID In, 4" ID Out - B series Cummins 98 Up-36" Body Length
XFRLM3C1 - 11" Dia., 3" ID In, 4" ID Out - Cat 3116, 3126 & Mercedes-36" Body Length
MERCEDES DIESEL- 4 CYLINDER
XFRLTT2 - OE# 04-21076-000

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

 

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

 

 

 

 
XFRLMTP2 - OE# 04-22451-000
XFRET-1 OE Number 04-21015-012
XFRLMTP3 - OE# 04-22450-000
Caterpillar 3126 Diesel Engine Pipes
XFRL3126TT OE Number 04-21077-001
XFRL3126T-1 OE Number 04-20759-000

 

XFRL3126T-4 OE Number 04-22446-000

 
XFRL3126T-5 OE Number 04-22446-001
XFRLTT OE Number 04-21077-000
XFREP-1 OE Number 04-21015-000
XCL3116CTVIH V-Clamp to fit Caterpillar 3116 & 3126 Engine Pipes
XBV3126M2 Muffler for use with Caterpillar 3126 Engine- 36" Body Length-4" Center Inlet-4" Center Outlet. Use w. offset adapter XX04
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# 04-21455-108
* Side Exit Exhaust Below
XFRLOAS4- Air Suspension. OE# 04-22434-000 12" Straight Section
XFRLOAS5- Saf-T-Liner EF- 2004 & Up w. Air Suspension
*Other Tailpipes at Bottom of Page
XFRLOAS3 - Spring Suspension. OE# 04-22433-000 14" Axle Span
 
 
 
XFRLOA454 used w. Spring Suspension. OE Number 04-21454-000 17" Axle Span
  
 
 
XFRLOAS42 used w. Air Suspension. OE Number 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 Number 04-17926-001
XFRLOAFT - Left Side Exit used w/ Rear Fuel Tank. OE Number 04-17962-000
XFRLAX1 - Right Side Exit Air Ride Susp. w/ Side or Rear Fuel Tank. OE Number 04-18363-001

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

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

XFRL4TP77 for 72 & 77 passenger buses. OE Number 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 Number 04-20537-000
OE Part Numbers are used for Cross Reference Purposes Only
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