Freightliner School Bus OEM Cross-Reference
Updated: Sep 10
OEM-to-Auto‑jet part cross‑reference for Freightliner school bus chassis, sampled by engine.
Auto‑jet manufactures aftermarket replacement exhaust parts referenced here by OEM part number for identification and fitment purposes only. Auto‑jet is not affiliated with, sponsored by, or endorsed by any OEM or bus manufacturer named on this page. Call to confirm fitment before ordering.
This page shows a representative sample by engine, not the full catalog. The complete verified OEM cross-reference for this brand is in the master dataset; call 800‑247‑5391 with any OEM number not shown here.
Unspecified
Auto-jet Part # | Fits | OE Number |
FRLSDTP2 | Tailpipe, 1998 & Up | 04-17933-000 |
FRLRAD7007HD | Radiator, 2007 & Up | 0529617007 |
See all 74 Unspecified parts in the full parts catalog.
Cummins ISB
Auto-jet Part # | Fits | OE Number |
FRLTP02 | Cummins ISB, Tailpipe, 2002 & Up | 04-21455, 04-21455-108, 04-21455-114 |
FRLT8460 | Cummins ISB, Exhaust System Component, 2007 & Up | A04-26374-012, A04-27685-000, A04-28460-000 |
See all 11 Cummins ISB parts in the full parts catalog.
Caterpillar CAT 3116 | CAT 3126
Auto-jet Part # | Fits | OE Number |
FRLT000 | Caterpillar CAT 3116 | CAT 3126, Front Pipe, 1998 & Up | 04-21015-000 |
FRLT5002 | Caterpillar CAT 3116 | CAT 3126, Front Pipe, 1998 & Up | 04-21015-000, 04-21015-002 |
See all 6 Caterpillar CAT 3116 | CAT 3126 parts in the full parts catalog.
Caterpillar CAT 3126
Auto-jet Part # | Fits | OE Number |
FRL3126T802 | Caterpillar CAT 3126, Front Pipe, 1998 & Up | 04-18802-000 |
FRL3126BT | Caterpillar CAT 3126, Turbo Pipe, 1998 & Up | 04-18833-000 |
See all 5 Caterpillar CAT 3126 parts in the full parts catalog.
Mercedes-Benz
Auto-jet Part # | Fits | OE Number |
FRLMERCT | Mercedes-Benz, Turbo Pipe, 2002 & Up | 04-20964-000, A04-25592.000 |
FRLT2581 | Mercedes-Benz, Turbo Pipe, 2006 & Up | 04-22581-000, 115005 |
See all 3 Mercedes-Benz parts in the full parts catalog.
For the reasoning behind why front pipes are engine-specific while mufflers and tailpipes are shared, see the Freightliner fitment guide by engine and OE number.
Frequently Asked Questions
How do I find the Auto‑jet replacement for my OEM exhaust part number?
Locate your OEM part number in the tables on this page, or search it directly in the parts catalog at /parts. Each entry links to the matching Auto‑jet part page.
Does Auto‑jet manufacture parts under license from the OEM?
No. Auto‑jet is an independent aftermarket manufacturer. OEM numbers are listed for identification and fitment reference only, not as a claim of affiliation.
What if my OEM number is not listed here?
Call 800‑247‑5391 to confirm fitment for a number not shown on this page.
Request a Quote or call 800‑247‑5391 to confirm fitment by OEM number.
