Thomas Built School Bus OEM Cross-Reference
Updated: 1 day ago
OEM-to-Auto‑jet part cross‑reference for Thomas Built 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.
Engine Not Listed
Cummins
Cummins ISC / ISB
Cummins ISB
Cummins B-Series
The tables show a sample for each engine. Search any OE number in the full parts catalog to find its Auto-jet match.
For chassis-specific fitment beyond a single OE number, the Thomas Built fitment guide by model and engine covers HDX, C2, and MVP separately.
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 in the full parts catalog. Each Auto-jet part number in the tables links to its 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.
