Dorman - OE Solutions Power Steering Reservoir P/N:603-845
Keep power steering fluid contained and your pump fed with the Dorman - OE Solutions Power Steering Reservoir 603-999. It installs as a direct-fit replacement for the 2016-2023 Ford Transit, plus the 2016-2024 Ford Transit-150, Ford Transit-250, Ford Transit-350 and Ford Transit-350 HD.
A power steering reservoir stores fluid, allows air to separate out, and supplies the pump; a cracked or leaking reservoir can let fluid drop or seep. If a failed reservoir is the cause of low fluid or a leak, this replaces it — diagnose the source of any leak before ordering.
Interchange: CK4Z3E764B · CK4Z3E764C · Manufacturer part number 603-999 (also 603999).
This part cross-references / interchanges with the following part numbers:
What does this part do?
It's the reservoir that holds the power steering fluid supply and feeds it to the power steering pump, allowing air to separate out for normal system operation.
Which vehicles does the 603-999 fit?
It's a direct-fit for the 2016-2023 Ford Transit and the 2016-2024 Ford Transit-150, Transit-250, Transit-350 and Transit-350 HD. See the Buyer's Guide tab to confirm your vehicle.
What numbers does this reservoir interchange with?
It cross-references Ford numbers CK4Z3E764B and CK4Z3E764C. Its manufacturer part number is Dorman 603-999.
What are signs my power steering reservoir may need replacing?
Signs include visible cracks, fluid seeping or leaking from the reservoir, and repeatedly low fluid. Diagnose the source of any leak before replacing parts.
Does this come with power steering fluid or a cap?
The listing covers the reservoir as described. Consult the vehicle service information for any additional components, fluid, or hardware needed for the job.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.