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The Dorman 603-900 Power Steering Reservoir is a universal-fit, direct replacement part designed for trucks. Engineered from durable plastic to withstand underhood heat and vibration, it includes both reservoir and cap for a complete assembly. Thoroughly tested for precise fit and backed by a limited lifetime warranty, this reservoir ensures reliable power steering performance and easy installation.
| ASIN | B001C6N6MU |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #301,746 in Automotive ( See Top 100 in Automotive ) #498 in Automotive Reservoirs |
| Brand | Dorman |
| Brand Name | Dorman |
| Compatible with Vehicle Type | Truck |
| Customer Reviews | 4.0 out of 5 stars 175 Reviews |
| Exterior Finish | Painted |
| Fit Type | Universal |
| Global Trade Identification Number | 00019495122296 |
| Included Components | Dorman - FLUID RESERVOIRS |
| Item Dimensions | 5.36 x 4.24 x 9.78 inches |
| Item Highlight | Fits Select Models |
| Item Type Name | Dorman - FLUID RESERVOIRS |
| Item Weight | 8 ounces |
| Item dimensions L x W x H | 5.36 x 4.24 x 9.78 inches |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | 603-900 |
| Manufacturer Warranty Description | Limited Lifetime Warranty |
| Material | Plastic |
| Material Type | Plastic |
| Model Number | 603-900 |
| Number of Items | 1 |
| OEM Equivalent Part Number | E5DZ 3A697-A; E5LY3A697A; YF1Z 3A006-AA |
| Part Interchange Info | E5DZ 3A697-A, E9SZ8100A, YF1Z 3A006-AA |
| Product Grade | Replacement Part |
| UPC | 019495122296 |
| Unit Count | 1 Count |
| Vehicle Service Type | Truck |
L**1
Fits well
Fits well and comes with all of the required o-rings needed to install it. Fits the pump tightly does not leak.
G**R
and perfect results. I didn't even have to pull the ...
I purchased this unit for my 2006 Ford Taurus. The fit and finish are superb. I had a leak at the high pressure output. A couple hours work, and perfect results. I didn't even have to pull the pump. The only part that's not included, is the Teflon seal, for the control valve, to high pressure line. Just $ 3.00 from Dorman. Don't forget to put some light grease on the Reservoir mouth, prior to mounting it to the pump body.
R**N
Fits just like the original.
Fit just like it's supposed to. Fit right up to the old pump. No leaks, didn't use any silicone either.
T**1
Wrong o-ring supplied preventing installation.
Dorman 603-900 Power Steering Reservoir for 2000 Ranger. The unit was impossible to install, due to the supplied large o-ring being too thick. I tried several times and even removed the pump. The o-ring just pushed out of the housing causing a leak. I finally fixed the issue by purchasing an o-ring rebuild kit from O'reilly Auto for $10 and using the o-ring from that kit. The reservoir slid right on and no leaks. The Dorman supplied o-ring was quite a bit thicker than the rebuild kit o-ring. Too thick to allow the reservoir to seal on the pump body.
H**3
Worked for me.
Fixed the leak on my pump.
M**.
Quality part
Perfect fit! 03 ranger
J**E
No Hydra boost port.
Was supposed to fit 7.3 power stroke but did not realize there was not a post for the Hydra boost until after it was installed. So ended up using the oring with my original part and threw away the new one away. What a waste on time and money. No it didn't leak but it would have been great if it was the right part.
R**K
Factory fit, feel and look
Feels, fits and looks just like the factory housing. Came with everything needed for a lead-free install and slid right on the pump. Broke mine, by accident, on my 1987 F350 6.9 IDI and this was a great swap, esp for the money.
B**.
Incredible fit, first time!
The unit came in a timely manner and the installation was fast and easy. When I topped up the fluid and went through the bleed procedure, it worked first time with a little seepage. However, the way to make sure there are no leaks is to run it, then torque it down a quarter turn. Run it again and torque it a final time. No leaks for over a month since installing it. This procedure worked for the new high pressure and return lines to the steering gear! Would happily order again if I need one!
C**O
Just like OEM
Replaced my power steering pump on my 2004 Mustang 3.9L. Needed a reservoir as the new pump didn’t come with one. This one fit perfectly and even came with extra gaskets. Definitely recommend
G**R
Très déçu
Fait venir pour mon ranger annonce disait direct fit pas pu le posé toute de suite du à des pices en attente quand ce fut le temps il fesait pas trop tard pour le retourner.
R**A
NOT a Complete assembly - DOES NOT include reservoir cap ass described.
the description for this item is misleading; it states that it is a COMPLETE assembly including the CAP. Unfortunately, the description is in correct; there was no CAP to be found in the package. Now I have to order the additional parts to complete the working unit.
Trustpilot
2 days ago
2 months ago