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Description
Expansion Tank for Audi A1 / S1, Audi A3 & Audi A4 - 121587Vehicle Fitment & Part Details The Expansion Tank is listed for the Audi A1 S1 (2011 2019). Pressure: 1. 5 bar. Confirm compatibility by matching the listed fitment details. Verify VIN engine. Key Details SKU 121587 Component Expansion Tank Specs Pressure: 1. 5 bar Primary Fitment Audi A1 S1 (2011 2019) Vehicle Fitment Includes 75 supplied applications covering Audi. An additional 450 applications are not shown here due to listing length limits see
Vehicle Fitment & Part Details
The Expansion Tank is listed for the Audi A1 / S1 (2011-2019). Pressure: 1.5 bar. Confirm compatibility by matching the listed fitment details. Verify VIN/engine.
Key Details
- SKU
- 121587
- Component
- Expansion Tank
- Specs
- Pressure: 1.5 bar
- Primary Fitment
- Audi A1 / S1 (2011-2019)
Vehicle Fitment
Includes 75 supplied applications covering Audi. An additional 450 applications are not shown here due to listing-length limits - see the live product listing for the complete fitment list. Use the full table below to confirm model, chassis, year range, engine and power before ordering.
View Full Vehicle Fitment (75 applications)
| Make | Model | Chassis | Years | Engine | Power |
|---|---|---|---|---|---|
| Audi | A1 / S1 | 8X1, 8XK | 2011-2019 | 1.2 TFSI CBZA | 63 kW / 86 HP |
| Audi | A1 / S1 | 8X1, 8XK | 2011-2019 | 1.4 TFSI CAVG; CTHG | 136 kW / 185 HP |
| Audi | A1 / S1 | 8X1, 8XK | 2011-2019 | 1.4 TFSI CAXA; CNVA | 90 kW / 122 HP |
| Audi | A1 / S1 | 8X1, 8XK | 2011-2019 | 1.6 TDI CAYC | 77 kW / 105 HP |
| Audi | A1 / S1 Sportback | 8XA, 8XF | 2012-2019 | 1.2 TFSI CBZA | 63 kW / 86 HP |
| Audi | A1 / S1 Sportback | 8XA, 8XF | 2012-2019 | 1.4 TFSI CAVG; CTHG | 136 kW / 185 HP |
| Audi | A1 / S1 Sportback | 8XA, 8XF | 2012-2019 | 1.4 TFSI CAXA; CNVA | 90 kW / 122 HP |
| Audi | A1 / S1 Sportback | 8XA, 8XF | 2012-2019 | 1.6 TDI CAYC | 77 kW / 105 HP |
| Audi | A3 / S3 | 8P1 | 2003-2012 | 1.4 TFSI CAXC; CMSA | 92 kW / 125 HP |
| Audi | A3 / S3 | 8P1 | 2003-2012 | 1.6 TDI CAYC | 77 kW / 105 HP |
| Audi | A3 / S3 | 8P1 | 2003-2012 | 1.8 TFSI BYT; BZB; CDAA | 118 kW / 160 HP |
| Audi | A3 / S3 | 8P1 | 2003-2012 | 1.9 TDI BKC; BLS; BXE | 77 kW / 105 HP |
| Audi | A3 / S3 | 8P1 | 2003-2012 | 2.0 FSI AXW; BLR; BLX; BLY; BMB; BVY; BVZ | 110 kW / 150 HP |
| Audi | A3 / S3 | 8P1 | 2003-2012 | 2.0 TDI 16V BKD; CBAB; CFFB; CLJA | 103 kW / 140 HP |
| Audi | A3 / S3 | 8P1 | 2003-2012 | 2.0 TFSI AXX; BWA; CAWB; CCZA | 147 kW / 200 HP |
| Audi | A3 / S3 | 8P1 | 2003-2012 | 3.2 V6 quattro BDB; BMJ; BUB | 184 kW / 250 HP |
| Audi | A3 / S3 | 8P1 | 2003-2012 | S3 quattro BZC; CDLC | 188 kW / 256 HP |
| Audi | A3 / S3 | 8V1, 8VK | 2012-2018 | 1.2 TFSI CJZA | 77 kW / 105 HP |
| Audi | A3 / S3 | 8V1, 8VK | 2012-2018 | 1.4 TFSI CMBA; CXSA | 90 kW / 122 HP |
| Audi | A3 / S3 Saloon | 8VS, 8VM | 2013-2021 | 1.4 TFSI CXSA | 90 kW / 122 HP |
| Audi | A3 / S3 Saloon | 8VS, 8VM | 2013-2021 | 1.4 TFSI CXSB; CZCA | 92 kW / 125 HP |
| Audi | A3 / S3 Sportback | 8PA | 2005-2013 | 1.4 TFSI CAXC; CMSA | 92 kW / 125 HP |
| Audi | A3 / S3 Sportback | 8PA | 2005-2013 | 1.6 TDI CAYC | 77 kW / 105 HP |
| Audi | A3 / S3 Sportback | 8PA | 2005-2013 | 1.8 TFSI BYT; BZB; CDAA | 118 kW / 160 HP |
| Audi | A3 / S3 Sportback | 8PA | 2005-2013 | 1.9 TDI BKC; BLS; BXE | 77 kW / 105 HP |
| Audi | A3 / S3 Sportback | 8PA | 2005-2013 | 2.0 FSI AXW; BLR; BLX; BLY; BMB; BVY; BVZ | 110 kW / 150 HP |
| Audi | A3 / S3 Sportback | 8PA | 2005-2013 | 2.0 TDI 16V BKD; CBAB; CFFB; CLJA | 103 kW / 140 HP |
| Audi | A3 / S3 Sportback | 8PA | 2005-2013 | 2.0 TFSI AXX; BWA; CAWB; CBFA; CCZA | 147 kW / 200 HP |
| Audi | A3 / S3 Sportback | 8PA | 2005-2013 | 3.2 V6 quattro BDB; BMJ; BUB | 184 kW / 250 HP |
| Audi | A3 / S3 Sportback | 8PA | 2005-2013 | RS3 quattro CEPA | 250 kW / 340 HP |
| Audi | A3 / S3 Sportback | 8PA | 2005-2013 | S3 quattro CDLC | 188 kW / 256 HP |
| Audi | A3 / S3 Sportback | 8VA, 8VF | 2013-2021 | 1.2 TFSI CJZA | 77 kW / 105 HP |
| Audi | A3 / S3 Sportback | 8VA, 8VF | 2013-2021 | 1.4 TFSI CMBA; CXSA | 90 kW / 122 HP |
| Audi | A3 Convertible | 8P7 | 2008-2013 | 1.8 TFSI BZB; CDAA | 118 kW / 160 HP |
| Audi | A3 Convertible | 8P7 | 2008-2013 | 2.0 TFSI CAWB; CCZA | 147 kW / 200 HP |
| Audi | A4 / S4 B7 | 8EC | 2005-2009 | 1.8 T BFB | 120 kW / 163 HP |
| Audi | A4 / S4 B7 | 8EC | 2005-2009 | 2.0 ALT | 96 kW / 130 HP |
| Audi | A4 / S4 B7 | 8EC | 2005-2009 | 2.0 TDI BRD | 125 kW / 170 HP |
| Audi | A4 / S4 B7 | 8EC | 2005-2009 | 2.0 TDI 16V BLB; BRE | 103 kW / 140 HP |
| Audi | A4 / S4 B7 | 8EC | 2005-2009 | 2.0 TFSI BGB; BWE | 147 kW / 200 HP |
| Audi | A4 / S4 B7 | 8EC | 2005-2009 | 2.0 TFSI quattro BGB; BPG; BWE | 147 kW / 200 HP |
| Audi | A4 / S4 B7 | 8EC | 2005-2009 | 3.0 TDI quattro ASB | 171 kW / 233 HP |
| Audi | A4 / S4 B7 | 8EC | 2005-2009 | 3.0 TDI quattro BKN | 150 kW / 204 HP |
| Audi | A4 / S4 B7 | 8EC | 2005-2009 | 3.2 FSI AUK | 188 kW / 255 HP |
| Audi | A4 / S4 B7 | 8EC | 2005-2009 | 3.2 FSI quattro AUK | 188 kW / 255 HP |
| Audi | A4 / S4 B7 | 8EC | 2005-2009 | RS4 quattro BNS | 309 kW / 420 HP |
| Audi | A4 / S4 B7 | 8EC | 2005-2009 | S4 quattro BBK | 253 kW / 344 HP |
| Audi | A4 / S4 B7 Avant | 8ED | 2005-2008 | 1.8 T BFB | 120 kW / 163 HP |
| Audi | A4 / S4 B7 Avant | 8ED | 2005-2008 | 2.0 ALT | 96 kW / 130 HP |
| Audi | A4 / S4 B7 Avant | 8ED | 2005-2008 | 2.0 TDI 16V BLB; BRE | 103 kW / 140 HP |
| Audi | A4 / S4 B7 Avant | 8ED | 2005-2008 | 2.0 TFSI BGB; BPG; BWE | 147 kW / 200 HP |
| Audi | A4 / S4 B7 Avant | 8ED | 2005-2008 | 2.0 TFSI quattro BUL | 162 kW / 220 HP |
| Audi | A4 / S4 B7 Avant | 8ED | 2005-2008 | 3.0 TDI quattro ASB | 171 kW / 233 HP |
| Audi | A4 / S4 B7 Avant | 8ED | 2005-2008 | 3.0 TDI quattro BKN | 150 kW / 204 HP |
| Audi | A4 / S4 B7 Avant | 8ED | 2005-2008 | 3.2 FSI AUK | 188 kW / 255 HP |
| Audi | A4 / S4 B7 Avant | 8ED | 2005-2008 | 3.2 FSI quattro AUK; BKH | 188 kW / 255 HP |
| Audi | A4 / S4 B7 Avant | 8ED | 2005-2008 | RS4 quattro BNS | 309 kW / 420 HP |
| Audi | A4 / S4 B7 Avant | 8ED | 2005-2008 | S4 quattro BBK | 253 kW / 344 HP |
| Audi | A4 / S4 B7 Convertible | 8HE | 2006-2010 | 2.0 TFSI 16V BWE | 147 kW / 200 HP |
| Audi | A4 / S4 B7 Convertible | 8HE | 2006-2010 | 3.2 FSI quattro AUK; BKH | 188 kW / 255 HP |
| Audi | A4 / S4 B7 Convertible | 8HE | 2006-2010 | RS4 quattro BNS | 309 kW / 420 HP |
| Audi | A4 / S4 B8 | 8K2 | 2008-2017 | 1.8 TFSI CABA; CDHA | 88 kW / 120 HP |
| Audi | A4 / S4 B8 | 8K2 | 2008-2017 | 1.8 TFSI CABB; CDHB | 118 kW / 160 HP |
| Audi | A4 / S4 B8 | 8K2 | 2008-2017 | 1.8 TFSI CJEB | 125 kW / 170 HP |
| Audi | A4 / S4 B8 | 8K2 | 2008-2017 | 2.0 TDI CAGA; CJCA; CMEA; CMFA | 105 kW / 143 HP |
| Audi | A4 / S4 B8 | 8K2 | 2008-2017 | 2.0 TDI CAGB; CJCB; CSUB | 100 kW / 136 HP |
| Audi | A4 / S4 B8 | 8K2 | 2008-2017 | 2.0 TDI CAHA | 125 kW / 170 HP |
| Audi | A4 / S4 B8 | 8K2 | 2008-2017 | 2.0 TDI CGLC; CMGB | 130 kW / 177 HP |
| Audi | A4 / S4 B8 | 8K2 | 2008-2017 | 2.0 TFSI CAEA; CDNB; CFKA | 132 kW / 180 HP |
| Audi | A4 / S4 B8 | 8K2 | 2008-2017 | 2.0 TFSI CAEB; CDNC | 155 kW / 211 HP |
| Audi | A4 / S4 B8 | 8K2 | 2008-2017 | 2.0 TFSI CNCD | 165 kW / 224 HP |
| Audi | A4 / S4 B8 | 8K2 | 2008-2017 | 2.0 TFSI quattro CDNC; CPMA | 155 kW / 211 HP |
| Audi | A4 / S4 B8 | 8K2 | 2008-2017 | 2.0 TFSI quattro CNCD | 165 kW / 224 HP |
| Audi | A4 / S4 B8 | 8K2 | 2008-2017 | 3.0 TDI quattro CAPA; CCLA; CCWA | 176 kW / 240 HP |
| Audi | A4 / S4 B8 | 8K2 | 2008-2017 | 3.0 TDI quattro CDUC; CKVB; CKVC | 180 kW / 245 HP |
Fitment Notes
- Always match vehicle details before ordering. Verify VIN/engine.
Compatibility Verification Notes
- Confirm compatibility using VIN, engine code, chassis / platform, OE reference and original part comparison before ordering.
- Match the supplied fitment details to your vehicle, including model, year range and any listed engine or chassis information.
- Fitment data may vary by production date, market, import history and engine variant.
- This listing is for part identification and compatibility checking only. Installation must be carried out according to the vehicle manufacturer's service information by a suitably qualified person.
Common Questions
Will the Expansion Tank fit my Audi A1 / S1?
This part (121587) is listed for the fitments shown on this page. Confirm by matching the fitment details. Verify VIN/engine.
How do I confirm fitment if there are multiple variants?
Compare the supplied fitment details, original part details and any listed variant information before ordering. Verify VIN/engine.
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
4.4 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 4
Works good but doesn’t make the house smell nice
Size: 8 Fl Oz (Pack of 2)
This works good in our robot vac/mop however it doesn’t make the house smell good when the house is mopped, just when you put it in the water tank. The floors are clean and that’s all I really care about but would it be nice to smell freshly mopped, yes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2026
★★★★★ 5
Amazing and it works great!
Size: 8 Fl Oz (Pack of 2)
I love this products. I wish they have other scent for the different season. Overall, this is worth it. I love my vacuum and this product. My floors are always clean and smells great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
★★★★★ 5
Indispensable for mapping the floor.
Size: 8 Fl Oz (Pack of 2)
It is indispensable for mapping the floor.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
★★★★★ 5
Smells fresh
Size: 8 Fl Oz (Pack of 2)
Smells good & seems to clean well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026
★★★★★ 5
My house has never been so clean!
Size: 05-11S
As a neat freak, this has been one of my favorite purchases recently. Hands down. No doubt. Our house has seriously never felt so clean. With four boys coming and going, plus a cat, plus my wife and I both working out of the same house, this place gets dir-r-r-r-ty! But now, I just set this little baby up and get it goes to town.
Note: the first several times that we used it, the machine's debris holding chamber was LOADED. We ran it until the battery died (and it returned to it's charger automatically), emptied it, and then ran it again as soon as it was fully charged. But each time that it ran, it was completely full! Every single time. None of us can believe how dirty we were living.
Note #2: We now take it upstairs to do a deep cleaning there. We had a little bit of a learning curve to make sure that all of the electric cords and such were off the floor. (They untangle easily, btw, if you forget). My son with the cat had a room that used to smell terrible... it smells almost normal after we ran this several times through there. And the volume of cat hair that this thing picked up is crazy amazing. Hair that we didn't even see. I didn't know cat hair smalled badly, but it must've. Room smells pretty decent now (not perfect - there still is a smally boy living in there)!
Note #3: We keep a pretty clean house. That is what is amazing about this thing. It makes it really clean.
Note #4: After the first several runs, make sure that you clean the roller brush. It will make a difference. The tool that comes with the unit that looks like a comb does a great job. If you get hair or thread or similar wrapped around it, use the handy dandy letter opener-style cutter to easily and safely clean it out. The blue parts on bottom around roller remove easily for deep cleaning. Do it! Easy and worth it for better future results.
Note #5: Does all types of floors really well. We have ceramic, vinyl, short carpet, marble, deep carpet - all on the first floor of our house --- NO PROBLEM for Eufy! It moves with ease between them all.
Note #6: Problem areas? We have a screened in porch that has a door that allows tiny little leaves in under the door. I'll just set the Eufy out there and forget about it. When I see it again, the machine has run out of juice and the floor is perfectly clean. Or my basement office. Set it in there at the end of the day, close the door and forget about it. In the morning, the floors are clean and the machine is sleeping where it ran out of power. I take it back upstairs, empty the cannister, and put it back on the charger.
Last note: It gets in tight spaces. It cleans edges beautifully. It spends more time on a room than we ever would, so I guess that is why it cleans so well. It gets under most of our furniture. Around most of our chairs. And oh - I almost forgot - this vacuum is SO-o-o-o quiet. With our upright, you can't hear yourself think. With this thing, I can be do my work uninterrupted.
Disclaimer - I have wasted a lot of time just watching machine in amazement and awe! Thankfully I can now walk away from it - although the 7 sessions with a therapist to get me to break the habit were a pain. ;)
I highly recommend the machine - if you couldn't already tell! I came back on to Amazon to buy a unit for my in-laws and saw the opportunity to avoid my job for a little bit to write this review! Funny, but I am glad that I did. This little fella is totally worth it. If you are thinking about which brand to buy, you can't go wrong with Eufy.
Kudos to the manufacturer and development team!
Note to manufacturer: Can you please develop a machine to automatically climb and clean stairs (cook, do toilets, do laundry)... ?
People, you are going to love this vacuum!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 13, 2021
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