The (part 20480785) is a power steering pump primarily engineered for select heavy-duty
Volvo and Mack semi-trucks.
Primary Vehicle & Engine Fitment
This pump is compatible with the following truck brands and engine configurations:
- Truck Brands: Select models from Volvo and Mack.
- Engine Compatibility:
- Caterpillar: C13 and 3406E models.
- Cummins: ISX engine models.
- Other Potential Truck Applications: Fitment is also cited for Freightliner FL Class, Peterbilt 387, and various Sterling models.
Ensuring fitment requires matching these key pump specifications:
- Design Type: TRW EV-type pump with a 2-bolt flange.
- Rotation: Clockwise (CW).
- Shaft: 11-tooth spline shaft (standard OEM spec).
- Performance: 4.23–4.25 GPM flow rate at 2,175 PSI (150 bar).
- Ports: 1-1/16-12 UN supply port and 3/4-16 UNF outlet.
This part is a direct replacement for the following OEM numbers:
- TRW: EV221615R11203.
- FleetPride: 14012528-002.
- Freightliner: 14-19127-002, 14-14375-002.
- New Star: S-20762.