# Western Star 49X Used Price & Common Problems | Big Rig Risk

> Western Star 49X: used $82,250 to $119,900. Documented problems: repeat dealer repairs and DD15 engine. What to inspect before you buy.

**Verdict:** inspect

Used Western Star 49X: $82,250–$119,900 observed used across 3 listings. The documented cost risk to price in: repeat dealer repairs on 2022 units and the DD15 EGR valve and cooler. Buy only after inspection.

**Observed used price:** $82,250–$119,900

**Documented failure risks:**
- Repeat dealer repairs: 2022 Western Star (4900EX/49X) documented as a chronic dealer come-back: AC compressor
- DD15 engine: DD15 engine-generic (applies to any 49X with this engine, shared source with 5700XE
- EGR valve and cooler are called out as the higher: EGR valve and cooler are called out as the higher-cost DD15 failure point: "it's the EGR

## Sources
- [truckpaper.com](https://www.truckpaper.com/listings/for-sale/western-star/49x/conventional-day-cab-trucks) (accessed 2026-08-19)
- [youtube.com](https://www.youtube.com/watch?v=_fKlZ00rJY0) (accessed 2026-08-19)
- [youtube.com](https://www.youtube.com/watch?v=k7EZf-ukkp4) (accessed 2026-08-19)
- [dieselrebuildkits.com](https://dieselrebuildkits.com/collections/detroit-diesel-dd15) (accessed 2026-08-19)
- [KENWORTH T680 VS WESTERN STAR 57X! WHICH IS BETTER? YOU CHOOSE! TRUCK MARCH MADN](https://www.youtube.com/watch?v=zernbMibDLw) (accessed 2026-08-19)
- [soarr.com dealer inventory listings (3 real listings observed 2026-09-05)](https://www.soarr.com/for-sale/trucks/0/Western-Star/49X/all-for-sale) (accessed 2026-09-05)
- [NHTSA recall 21V864000 (STEERING)](https://www.nhtsa.gov/recalls?nhtsacampaignnumber=21V864000) — "Daimler Trucks North America, LLC. (DTNA) is recalling certain 2021-2022 Western Star 49X vehicles.  The steering shaft may not have been properly installed, causing it to separate from the steering gear." (accessed 2026-09-11)
- [NHTSA recall 24V058000 (ELECTRONIC STABILITY CONTROL (ESC))](https://www.nhtsa.gov/recalls?nhtsacampaignnumber=24V058000) — "Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2025 Western Star 49X and 2025 Freightliner Cascadia vehicles.  The Electronic Stability Control (ESC) software has incorrect axle spacing parameters.  As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 136, "Electronic Stability Control Systems on Heavy Vehicles."" (accessed 2026-09-11)

_Last verified 2026-09-11. Source: Big Rig Risk — https://bigrigrisk.com/trucks/western-star-49x-detroit-dd15/ — every claim checked against a primary source before publication (see /methodology/)._