Launched in 1988 as Western Star's lighter, city-focused line, the 3800 was the brand's entry into medium-duty delivery and vocational work, and remains one of the legacy series (alongside the 4800, 4900 and 6900) covered in Daimler's official Western Star heritage parts resources.
Common parts that fit
View all →Common replacement parts for this class of truck. Confirm exact fitment for your engine and config with Mike before ordering.

3030HNTRX
3030HNTRX - 3030 SPEC LONG SHAFT HNTRX BRAKE CHAMBER

OTR10143
OTR10143 - AUTO SLACK ADJUSTER, 11/2-10DRIVE 5.5,6.5

5-808330
5-808330 - BRAKE KIT FOR 4709DEN SHOES

370036A
370036A - OIL BATH SEAL

348-4195
348-4195 - HUB CAP (SENTINAL LARGE DIAM)

5008414PGBXW
5008414PGBXW - AIR DRYER CARTRIDGE, PURAGUARD

11444
11444 - GLADHAND BRACKET MOUNT

15W40 OIL
15W40 OIL - 15W40 OIL (ROTELLA) GAL JUG