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Description
3 Pipe Water Pump for Subaru Impreza Saloon, Forester & Legacy - MAP-100177Vehicle Fitment & Part Details This 3 pipe water pump fits the Subaru Impreza Saloon (GC) and is cross referenced to Subaru OE number X2111AA080. The water pump circulates coolant through the engine cooling system. Confirm compatibility by matching the listed fitment details, any OEM reference numbers supplied, and VIN engine chassis information where variants exist. Key Details SKU MAP 100177 Component 3 Pipe Water Pump Primary Fitment Subaru Impreza
Vehicle Fitment & Part Details
This 3 pipe water pump fits the Subaru Impreza Saloon (GC) and is cross-referenced to Subaru OE number X2111AA080. The water pump circulates coolant through the engine cooling system. Confirm compatibility by matching the listed fitment details, any OEM reference numbers supplied, and VIN/engine/chassis information where variants exist.
Key Details
- SKU
- MAP-100177
- Component
- 3 Pipe Water Pump
- Primary Fitment
- Subaru Impreza Saloon GC EJ20 (Turbo) / EJ20G (1994-2000)
- Specs
- Overall Height 103mm, Diameter 60mm
Key Benefits
- 16 Subaru OEM cross-reference numbers are listed below for verification before ordering.
- 103mm overall height and 60mm diameter.
OEM Reference Numbers
- Subaru: X2111AA080
- Subaru: 21111AA082
- Subaru: 21111 AA240
- Subaru: 21111 AA026
- Subaru: 21111 AA020
- Subaru: X2111AA081
- Subaru: 21111AA083
- Subaru: 21111AA024
- Subaru: 21111 AA080
- Subaru: 21111 AA021
- Subaru: X2111AA082
- Subaru: 21111AA084
- Subaru: 21111AA025
- Subaru: 21111 AA081
- Subaru: 21111 AA022
- Subaru: X2111AA240
Product Specifications
| Specification | Value |
|---|---|
| Overall Height | 103mm |
| Diameter | 60mm |
Vehicle Fitment
Includes 19 supplied applications.
View Full Vehicle Fitment (19 applications)
| Model | Chassis / Platform | Engine | Years | Power |
|---|---|---|---|---|
| Impreza Saloon | GC | 2.0 Turbo GT AWD EJ20 (Turbo) / EJ20G | 1994-2000 | 155kW / 211PS |
| Impreza Saloon | GD | 2.0 WRX Turbo AWD EJ205 | 2000-2005 | 160kW / 218PS |
| Impreza Saloon | GD | 2.0 WRX STi AWD EJ207 | 2001-2005 | 195kW / 265PS |
| Impreza Saloon | GD | 2.0 WRX Turbo AWD EJ205 | 2002-2007 | 165kW / 225PS |
| Impreza Saloon | GD | 2.5 i WRX AWD EJ255 | 2005-2008 | 169kW / 230PS |
| Impreza Saloon | GD | 2.5 WRX STi AWD EJ257 | 2005-2007 | 206kW / 280PS |
| Impreza Saloon | GD | 2.5 AWD EJ257 | 2005-2007 | 221kW / 300PS |
| Impreza Estate | GG | 2.5 WRX AWD EJ255 | 2005-2008 | 169kW / 230PS |
| Impreza Hatchback | GR, GH, G3 | 2.0 R AWD EJ204 | 2008-2012 | 110kW / 150PS |
| Impreza Hatchback | GR, GH, G3 | 2.5 WRX STi AWD EJ257 | 2008-2013 | 221kW / 301PS |
| Forester | SF | 2.0 S Turbo AWD EJ205 | 1998-2001 | 125kW / 170PS |
| Forester | SF | 2.0 S Turbo AWD EJ205 | 2001-2002 | 130kW / 177PS |
| Forester | SG | 2.0 S Turbo AWD EJ205 | 2002-2005 | 130kW / 177PS |
| Forester | SG | 2.5 AWD EJ257 | 2003-2005 | 155kW / 211PS |
| Forester | SG | 2.5 AWD EJ255 | 2005-2008 | 169kW / 230PS |
| Forester | SH | 2.0 AWD EJ204 | 2008-2013 | 110kW / 150PS |
| Legacy I | BC | 2.0 Turbo 4WD EJ20-GN | 1992-1994 | 147kW / 200PS |
| Legacy IV | BL | 2.0 AWD EJ202 | 2003-2005 | 101kW / 138PS |
| Legacy IV | BL | 2.0 R AWD EJ204 | 2007-2009 | 110kW / 150PS |
Fitment Notes
- Always match OEM reference number(s) and vehicle details before ordering. Confirm exact fitment using VIN, engine code, or chassis number if multiple variants exist.
- This is the 3 pipe version. For the 2 pipe version please refer to SKU YH-SU108 and for the 1 pipe version SKU YH-SU107.
Installation / Use / Maintenance Tips
- Inspect the drive belt, tensioner, and pulley alignment before fitting the new water pump.
- Flush or clean the cooling system where required before fitting the new part.
- Replace related seals, hoses, or coolant as needed during installation.
- Fill with the correct coolant mixture specified for the application.
- Bleed the cooling system fully and check for leaks after installation.
Common Questions
Will this 3 pipe water pump fit my Subaru Impreza Saloon?
This part (MAP-100177) is listed for the fitments shown on this page. Confirm by matching the fitment details and verifying VIN/engine/chassis information where variants exist.
What OEM part numbers does this cross-reference?
Cross-reference numbers are listed in the OEM Reference Numbers section above. Match at least one to your original part before ordering.
How do I confirm fitment if there are multiple variants?
Use VIN, engine code, and chassis/platform details and compare them to the fitment section above. If unsure, request fitment assistance before ordering.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1078 reviews
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Product Reviews
★★★★★ 5
Surprisingly amazing chair!
Color: Pink, Color: Pink
tl;dr: If you need a chair that has the features of this one, then this one is a winner! Hits above its weight class for sure.
My wife is 5’. She’s small. For whatever reason she ended up with a chair made for big people, like 6+ feet and up to 500lbs type of a chair. She’d often even sleep on it and chill on it. The chair was big enough to fit 2 of her to be honest. It was an expensive chair that I won at some raffle and didn’t like myself. Over the years it ripped (got a cover for it) and even started to get lopsided (from the sleeping) and finally a spring broke (hence the pillow on it in the pictures)
She obviously lives pink. I also wanted to get a chair where she could work and not end ip asleep on. Not like we have a couch or a bed for that 😂.
This chair is very obviously smaller than her previous chair, it’s also significantly cheaper in price and build, it’s also not as durable feeling or stable, and it’s just not as padded. Yet somehow it’s an amazing chair that we both like better than her previous chair???
Like it’s crazy that this chair somehow works better in so many ways. Her desk is modified to be shorter than normal desks (again, she small lol) and her previous chair was just too big. The wheels are also like SUPER smooth, like you can run a chair race easily with it. It rolls over her rug and tucks into her desk (which is in our bedroom) easily. The amount of space this has save us when the chair isn’t being used is a lot. Previous chair was much bigger and didn’t tuck in at all.
The color is nice and the padding is plenty for a small and much lighter than 500lbs woman. I’m 6 feet and 200 lbs and the chair is nice for me as well. My chair is bigger and more secure in the backing, which is similar to this one. The lowest tension setting on my chair is still too high for her to lean back on my chair. This chair has a lower tension minimum and she can easily lean back freely, as well as keep enough tension to work without sagging.
This chair is surprisingly outstanding! I’m sure my wife will destroy it quicker than the last one, but it’s so cheap that even if it only lasts 1-3 years, I’ll happily buy it ones or twice more 🤷🏽♀️. Maybe by then they’ll invent a comfortable titanium chair that’s affordable that she won’t destroy 😂.
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Reviewed in the United States on February 28, 2024
★★★★★ 3
Mid.
Color: Light Purple
The chair is fine, and reasonably easy to put together. However, I've been using it for a little over a year and a half, and it's already falling apart. Random parts of it have fallen off, which is fine because it was still functional. But now the most frustrating part is that the wheels continue to pop off, and while the first attempts to pop them back on worked, they will not stay on now. This is obviously greatly impacting the stability, and I will need to purchase a replacement soon. For this price and lack of long-term durability, I would not buy again.
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Reviewed in the United States on January 4, 2026
★★★★★ 5
Alexa messed me up, but the company of the chair made it right!
Color: Light Purple, Color: Light Purple
I wanted something small with arms that moved out of the way when I wanted to slide my chair all the way into my desk for more space. This fit the bill. I loved the color blue and I had that in my cart for a bit. One day Alexa mentioned that an item that was in my cart was on sale. It was the chair. I let it be ordered. When it came it didn't exactly look blue to me. But I kept putting it together thinking maybe it was the lighting in the room I was assembling it in. I brought it to my craft room and lo and behold it is light purple. I looked at my order and sure enough it said light purple. Boo! I looked in my saved cart and the chair was gone. So I accepted it for an error. The next day I checked to see if I could return it. Thought I could, till I read that I would have to pay to return it. So I wrote the seller to tell them to ignore the return. And that was that. Till a couple days later I get an email from the seller asking if I would like a full refund or a replacement at no cost. I was like heck yeah send me the blue one. I was thrilled and I wanted to thank the seller for doing this without the return of the other chair. But I could not find a place to do that now. So here is where I will thank you. Thank you so much for doing this for me. You guys are AWESOME!. I love the chair and I love the blue color. I find it very comfortable, lite, easy to adjust, the size works great for me, and for the price the quality fits my needs. I do hope it lasts me for quite some time. Thanks again!
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Reviewed in the United States on January 9, 2026
★★★★★ 5
Awesome chair definitely recommend
Color: Blue, Color: Blue
It was amazing the color was spot on and it was very very easy to put together and the size is amazing for my 11 year old daughter maybe not for an older person it doesn’t recline as much as it says so if you want a reclining chair maybe I don’t recommend this chair but the quality is amazing and the adjustment capability is incredible the noise level is at 0 it is an amazing chair we just got it so I don’t know so much about the dupability so if you want this chair for a child or a tween maybe even a teen easy to put together beautiful blue color this is the chair for you.
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Reviewed in the United States on March 21, 2026
★★★★★ 5
Easy instructions, comfortable cushions
Color: Pink
I just put it together and I love it!!! It's so comfortable and it was easy to put together. You can rock it back and forth which helps your back. The seat is very wide and the cushion is thick. Pink is my favorite color, and this chair satisfies my pink obsession.
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Reviewed in the United States on May 16, 2026