Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For Vehicles with DPAA Engine Code Only
Brand:
ES#:
4307416
Mfg#:
8W0121405K
Ships in 3 Business Days
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$76.99
This product was last offered at the strikethrough price on 06-08-2026
Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Does not include the cap For vehicles with models years from 2020
Brand:
ES#:
3668525
Mfg#:
4M0121403G
Ships in 1 day
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$61.99
This product was last offered at the strikethrough price on 06-08-2026
Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Composed of genuine Audi parts to fix your leaking coolant expansion tank.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2785284
Mfg#:
4E0121403GKT1
Ships in 1 day
$195.99
This product was last offered at the strikethrough price on 02-26-2026
Install a brand new expansion tank with a new R8 polished aluminum cap and hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2785285
Mfg#:
4E0121403GKT2
Ships in 2 Business Days
$475.99
This product was last offered at the strikethrough price on 02-26-2026
Install a brand new expansion tank with a new cap and hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3706543
Mfg#:
4F0121403TKT1KT
Ships in 1 day
ON SALE!
$173.99
This product was last offered at the strikethrough price on 05-02-2026
Install a brand new expansion tank with a new R8 polished aluminum cap and hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Install a brand new expansion tank with a new R8 polished aluminum cap and hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! From VIN 8D-W-007800, split is in the 1998 model year
Install a brand new expansion tank with a new cap and hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Fits from production date 1/14/2019
Install a brand new expansion tank with a new cap and hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms From production date 5/2/2011
Install a brand new expansion tank with a new cap and hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Up to production date 5/1/2011
Install a brand new expansion tank with a new cap and hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Fits up to production date 11/13/2017
A common source of overheating problems is a broken or leaking coolant expansion tank. Replace it with an OEM coolant expansion tank or quality aftermarket expansion tank to prevent future woes.
Lifetime Replacement
