Description
Aluminum non-locking diesel fuel cap with 1/4-turn female engagement, integrated thermal relief, and venting; direct replacement for Freightliner 03-37017-000. Fits 3″ inside-diameter fill necks used across Freightliner Cascadia, Columbia, Century Class, and Business Class M2 trucks. Crosses to Mercedes-Benz/Detroit A 000 470 14 05 and Automann 572.1016.
Signs You Need a New Fuel Cap
- Cap will not lock down or seats loosely on the filler neck
- Fuel odors near the tank or visible fuel weeping at the cap seal
- Cracked or distorted aluminum body, broken tabs, or damaged gasket
- Cap vents not relieving pressure, causing tank deformation or hard starts
Specifications
| Manufacturer | Predator HD Parts |
|---|---|
| Part Number | FRT03-37017-000 |
| Part Type | Fuel Cap, Non-Locking |
| Inside Diameter | 3″ |
| Engagement | 1/4-Turn Female |
| Vented | Yes |
| Thermal Relief | Yes |
| Material | Aluminum |
Cross References
This fuel cap replaces or is equivalent to the following part numbers:
- Freightliner: 03-37017-000, 03-22191-000, 03-24137-000, 03-34466-000
- Mercedes-Benz / Detroit: A 000 470 14 05, A03-25798-000
- Automann: 572.1016
- Tectran: TM 90 00165, TM 90 02103
- Stemco / UPT: UPTFTAC92, FTA-C-92
- Trade America: 600148
- Also known as: 21361, MPGS-21361, ATX21361, GTS21361, PPP2L011
Applications
This non-locking fuel cap fits Freightliner trucks with 3″ ID 1/4-turn female filler necks, including:
- Freightliner Cascadia (2008–current)
- Freightliner Columbia (2001–2017)
- Freightliner Century Class (1996–2010)
- Freightliner Business Class M2 (2003–current)
- Freightliner Coronado, Argosy, FLD, FL-Series
Verify the existing cap engagement, ID, and venting before ordering. For locking applications, choose the locking variant of this cap.









