Keep a steady supply of power steering fluid on hand for the pump with this Dorman power steering reservoir, part number 603-853, made to stand up to underhood heat and engine vibration. It fits many vehicles, among them the 2008-2010 Dodge Ram 1500, 2002-2010 Dodge Ram 2500 and 2008-2009 Dodge Durango. See the "Vehicles it fits" section for the full vehicle list and engine details.
The reservoir stores the fluid the power steering system draws from. If a cracked, leaking or damaged original reservoir is the reason your fluid keeps running low, this Dorman replacement is designed to take its place.
- Direct replacement: Designed to fit and function like the original equipment part for a trouble-free installation.
- Reservoir and cap included: Supplied as an assembly with both the fluid reservoir and its cap.
- Built for underhood conditions: Made from quality materials to withstand excessive heat and engine vibration.
- Quality tested: Put through on-vehicle testing aimed at a quality fit and long service life.
Signs a reservoir may need replacing include visible cracks, fluid seeping from the reservoir, a broken or missing cap, or a fluid level that keeps dropping. Diagnose the source of any leak before replacing parts.
Interchange: APPST084 · 68034303AA · 68034303AB
This part cross-references / interchanges with the following part numbers:
APPST084, 68034303AA, 68034303AB
Frequently Asked Questions
What does a power steering reservoir do?
It holds the power steering fluid supply for the system, giving the pump a source of fluid to draw from while the steering operates.
Is the cap included with Dorman 603-853?
Yes. It comes as an assembly that includes both the power steering fluid reservoir and the reservoir cap.
Does this reservoir fit a 2008-2010 Dodge Ram 1500?
Yes, the 2008-2010 Dodge Ram 1500 is a listed application, as is the 2002-2010 Dodge Ram 2500. Check the "Vehicles it fits" section for your exact vehicle.
What are signs a power steering reservoir may need replacing?
Cracks in the reservoir, fluid leaking from it, a damaged or missing cap, or a fluid level that keeps dropping may indicate a problem. Diagnose the leak source before replacing parts.
What part numbers does this reservoir replace?
It interchanges with APPST084, 68034303AA and 68034303AB.
