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Subaru Genuine Power Steering Pump O-Ring - 34439FG000-2004-2019 Impreza WRX STi

4.7 4.7 out of 5 stars 227 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Automotive Replacement Power Steering Pumps by Subaru
$5.42
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Purchase options and add-ons

Material Rubber
Brand Subaru
Color brown

About this item

  • O Ring Connector
  • Genuine Subaru Parts
  • Fit type: Universal Fit
  • Country of Origin : Japan
› See more product details
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Frequently bought together

Subaru Genuine Power Steering Pump O-Ring - 34439FG000-2004-2019 Impreza WRX STi
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Sunsong 3403729 Power Steering Reservoir Hose
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Product Description

Manufactured from top quality components, this is your inexpensive replacement option for your rebuild, repair, and maintenance needs. When you select a genuine OEM part - you can rely on the high quality and effectiveness of the product and brand without having to guess if the product will work in sequence with your vehicle. Protecting your investment is important and choosing the right parts can be challenging. Stick with what you know and choose a genuine OEM part.

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Subaru Genuine Power Steering Pump O-Ring - 34439FG000-2004-2019 Impreza WRX STi

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What's in the box

  • O Ring Connector

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    Price$5.42$8.99$9.99-18% $4.88
    Typical: $5.95
    Delivery
    Get it as soon as Monday, May 13
    Get it as soon as Wednesday, May 15
    Get it as soon as Tuesday, May 14
    Get it as soon as Wednesday, May 15
    Customer Ratings
    4.74.7 out of 5 stars227
    5.05.0 out of 5 stars2
    4.64.6 out of 5 stars35
    4.64.6 out of 5 stars90
    Sold By
    SubaruPartsOnline
    HABIIID AutoParts
    Small Fish
    Authentic Tokyo
    material
    Rubber
    Rubber
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    Looking for specific info?

    Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    227 global ratings

    Customers say

    Customers like the performance, ease of replacement, fit and leakage of the o-ring. For example, they mention it works like a charm, it takes 2 minutes to change and that it stops the leak. That said, opinions are mixed on noise.

    AI-generated from the text of customer reviews

    8 customers mention8 positive0 negative

    Customers are satisfied with the performance of the o rings. They mention that it works like a charm, they are happy with the outcome, and have no issues after six weeks of constant use.

    "...This one is a bit more costly, but it works. No issues after six weeks of constant use." Read more

    "...local to me I could buy it from them much cheaper, but this does the job well and does not have a parts warranty...." Read more

    "...video and found out that this little o-ring would do the trick--worked perfectly! Spent $5.00 and saved hundreds" Read more

    "...Very happy with the outcome." Read more

    4 customers mention4 positive0 negative

    Customers find the replacement of the o-ring to be quick and easy. They mention that it fits perfectly and that it takes 2 minutes to change.

    "Very simple replacement, literally took less than 10 minutes with a screwdriver and a 10mm socket, and there is no need to drain the fluid, or clamp..." Read more

    "...Replacing the new one was also easy. Whining is completely gone now. Should have done this earlier." Read more

    "...Fluid was also frothy. This inlet o-ring fit perfectly and took me 2 minutes to change. Old one is black, new one ir orange." Read more

    "Quick and easy replacement if you have leak around power stearing pump." Read more

    3 customers mention3 positive0 negative

    Customers are satisfied with the fit of the o-ring. They mention that it fits perfectly and stops the leak.

    "...No need for a new pump. Car is good to go. O ring fit perfect." Read more

    "Perfect fit for my 2009 Legacy 2.5L non turbo. Power steering was making noise especially when it was cold. Fluid was also frothy...." Read more

    "...Fit perfect and stopped the leak. I wish I would have just bought this one to begin with." Read more

    3 customers mention3 positive0 negative

    Customers are satisfied with the leakage of the o-ring. They mention that it fits perfectly and stopped the leak.

    "...this power steering pump upper o-ring on my STI and it helped stop the air leak." Read more

    "...Fit perfect and stopped the leak. I wish I would have just bought this one to begin with." Read more

    "No leaks from the pump after replacing" Read more

    10 customers mention3 positive7 negative

    Customers are mixed about the noise. Some mention that it works for them, reducing power steering noise and squealing. However, others say that it may not completely fix the noise, and that the air leak may cause the PS pump to whine really loudly.

    "...If the noise does not completely disappear, check the hose clamp connections on the hose from the PS fluid reservoir to the pump...." Read more

    "No more squealing after replacing this easy fix!" Read more

    "Power steering noise? You probably don’t need a new pump, this old print needs to be replaced...." Read more

    "My 2007 sti developed the terrible power steering whine, worse when it was below freezing. I changed the accessory belts with no improvement...." Read more

    Fits 2009 2.5i Legacy (non turbo)
    5 Stars
    Fits 2009 2.5i Legacy (non turbo)
    Perfect fit for my 2009 Legacy 2.5L non turbo. Power steering was making noise especially when it was cold. Fluid was also frothy. This inlet o-ring fit perfectly and took me 2 minutes to change. Old one is black, new one ir orange.
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    Top reviews from the United States

    Michael
    5.0 out of 5 stars Tried the cheaper alternatives, this worked.
    Reviewed in the United States on July 25, 2023
    Verified Purchase
    Tried two other Amazon vendors, but problem persisted. This one is a bit more costly, but it works. No issues after six weeks of constant use.
    Helpful
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    Smiling Frog Reviews
    5.0 out of 5 stars Yep it is a rip off, but so much cheaper than a new pump, instructions for you, hope it helps
    Reviewed in the United States on January 30, 2024
    Verified Purchase
    This worked on our 2008 Subaru Impreza 2.5. While you are at this it replace the hose that runs from the power steering reservoir to the pump [Reference Number]: 3403711, 34611AG010. A stiff old hose could also be contributing to your whine and leaking issues. Yes its a rip off, but it fixes it for a whole lot less than a new pump. Turkey baster out (or whatever tool you have to suck out fluid) as much fluid as you can from the reservoir, you'll notice this hose comes with a yellow plug, that is important. Put rags under the reservoir and under the hose on the pump side. Remove the clip from the reservoir side first, then put that yellow plug in the hose. Then remove the pump side, and pull the hose out with your thumb over the hole. This should reduce the mess of draining the hose quite a bit. Take that hose to your container pump side down and remove the plug to drain it. Remove the connector from the top of the pump and replace that stiff old O ring with your new one. Place it back on the pump carefully, if you are forcing it or getting resistance you probably ruined your new O ring. Light pressure will seat it, reinstall the screw, and install the new hose. Now for the bleeding, and replacing of old fluid. DO NOT start the motor until this is done. Put the front of the vehicle up on jack stands or just jack up the front enough so the front wheels are off the ground. Add new fluid to the fill line for your ambient temp, cold or hot, or middle, then turn the key just enough to unlock the steering wheel. Now spin the wheel from lock to lock about 20 times not super fast, you want to purge the air slowly, then suck out the reservoir and repeat until the fluid is all freshened up, and you stop seeing bubbles. Expect this to take some time, at least 5 of these fill, 20 lock to locks, suck, fill again until it is bright red. Put the cap back on the reservoir, clean up any mess, put the car back down and fire that baby up. Go for a drive an enjoy that missing whining sound. Well done.
    3 people found this helpful
    Helpful
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    HristovV
    5.0 out of 5 stars Worked for my noisy 2009 Outback XT PS pump
    Reviewed in the United States on April 18, 2019
    Verified Purchase
    Very simple replacement, literally took less than 10 minutes with a screwdriver and a 10mm socket, and there is no need to drain the fluid, or clamp the hose. The old black O-ring was a bit rigid and square-looking. There was also a bit of fluid around the connection it's supposed to seal. Took most of the PS noise away.

    It will take a bit of driving and turning the wheel lock-to-lock to clear all the air out of the system, so expect some noise for up to a couple of days. If the noise does not completely disappear, check the hose clamp connections on the hose from the PS fluid reservoir to the pump. When this hose is old and rigid, it does not seal well until it warms up. So, if the connections at the hose are at all wet with the power steering fluid, this O-ring may not completely fix the noise.
    9 people found this helpful
    Helpful
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    Amazon Customer
    5.0 out of 5 stars $5 part resolved the issue
    Reviewed in the United States on February 19, 2024
    Verified Purchase
    Power steering on my 08 LL Bean was not happy abd screaming do to air in the system coming from a leaking o ring on the return side going back to the reservoir. Replaced it and used a turkey baster to suck out old fluid and add new until it looked clean No issues since even on fridgid days.
    Helpful
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    Elktrekker
    5.0 out of 5 stars Question your mechanics $1200 estimate
    Reviewed in the United States on August 23, 2022
    Verified Purchase
    Power steering noise? You probably don’t need a new pump, this old print needs to be replaced. The trick is to flush you fluid after you do it and diligently get all the air out of your lines. 2 hours of my time and $15 and those dishonest dealer mechanica can bite me.
    6 people found this helpful
    Helpful
     Report
    Jay Two
    5.0 out of 5 stars Easy replacement. Fixes power steering whine.
    Reviewed in the United States on January 7, 2020
    Verified Purchase
    My 2007 sti developed the terrible power steering whine, worse when it was below freezing. I changed the accessory belts with no improvement. Finally stumbled on the power steering O ring as a possible cause. Looking at my power steering pump, I was able to see some small build up of oil. Removing my old o ring was a breeze (many how tos on YouTube). Replacing the new one was also easy. Whining is completely gone now. Should have done this earlier.
    3 people found this helpful
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    James
    4.0 out of 5 stars Cheaper through Subaru
    Reviewed in the United States on June 24, 2020
    Verified Purchase
    If there were a dealer local to me I could buy it from them much cheaper, but this does the job well and does not have a parts warranty.

    I installed this power steering pump upper o-ring on my STI and it helped stop the air leak.
    One person found this helpful
    Helpful
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    Jen P
    5.0 out of 5 stars 2016 WRX STI
    Reviewed in the United States on November 4, 2019
    Verified Purchase
    Installed a few days ago in 2016 WRX STI. High pitched whirring when turning the steering wheel was my issue. I figured it was the O ring or the power steering pump. I installed the new O ring and swapped out the power steering fluid and this resolved the whirring sound problem. No need for a new pump. Car is good to go. O ring fit perfect.
    4 people found this helpful
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