Best in 7 days
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Description
Expansion Tank for Audi A1 Sportback, VW Polo & T-Cross - ET34Vehicle Fitment & Part Details This expansion tank for the Audi A1 Sportback cross references OE 2Q0121407, shared across Audi, Seat, and VW. Material is plastic. Confirm compatibility by matching the listed fitment details, any OEM reference numbers supplied, and VIN engine chassis information where variants exist. Key Details SKU ET34 Component Expansion Tank Brand Partquip OEM References Audi Seat VW: 2Q0121407 Audi Seat VW: 2Q0121407A Audi Seat
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- Free Standard Shipping on $100+ Orders to the USA.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.0 ★★★★★
Based on 2140 reviews
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Product Reviews
★★★★★ 5
Good Solid Mount
Got for my 2019 TRD Off Road. Works great, solid mount. Phone easy in, easy out once you get used to it. Looks and feels well made.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Solid Product
I was a bit skeptical based on the price ($85 total after taxes) but you can tell that for the price, this thing is sturdy and high quality. Holds solid onto the vent and keeps my iPhone in place. Easy to adjust and move to your liking, also easy to turn 90* and have your phone sideways. Only drawback is that is obstructs the view of the clock on my 4Runner and slightly obstructs my windshield, but I am sure I will get used to it.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Great phone holder
I use this phone mount in my Subaru Impreza, and it works perfectly with my vents. It holds my phone super securely—no wobbling or slipping—so it’s great for navigation or hands-free use. Really solid and reliable for the price.
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Reviewed in the United States on November 5, 2025
★★★★★ 4
Excellent product.
First impression: excellent product.
The only reason I deducted a star is because the price is obviously quite insane.
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Reviewed in the United States on February 26, 2026
★★★★★ 5
A+ mount for 4Runners
This is the best phone mount I've ever had. Got it for my 2021 4Runner. Very strong, doesn't come loose, easy to place and remove the phone from the mount. Can't recommend enough.
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Reviewed in the United States on February 13, 2026
