Add some style with this reservoir kit which includes an aluminum Porsche coolant cap!
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2597343
Mfg#:
42012132118T
In Stock
ON SALE!
$82.99
This product was last offered at the strikethrough price on 05-02-2026
Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank replacement kit.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
3672035
Mfg#:
5Q0121407TKT1
In Stock
$184.99
This product was last offered at the strikethrough price on 08-04-2026
Everything you need to replace your faded, cracked, or leaky expansion tank!
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
3658445
Mfg#:
3B0121321KTKT2
In Stock
ON SALE!
SAVE 25%
$61.99
This product was last offered at the strikethrough price on 05-02-2026
Install a brand new expansion tank with a new cap and hardware
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Up to production date 3/11/2008
Brand:
ES#:
2762641
Mfg#:
8K0121405MKT1
Ships on Feb 24, 2027
ON SALE!
SAVE 49%
$99.99
This product was last offered at the strikethrough price on 05-02-2026
$51.14 USD
Free Shipping
on orders $49 and up
Partial Replacement
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Everything you need to replace your faded, cracked, or leaky expansion tank!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2593538
Mfg#:
8K0121403QKT
Ships in 3 Business Days
$140.99
This product was last offered at the strikethrough price on 09-03-2026
Clean up your engine bay or replace your cracked unit with a new coolant expansion tank replacement kit.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2575924
Mfg#:
1J01000-1
Ships on Feb 24, 2027
ON SALE!
SAVE 18%
$29.99
This product was last offered at the strikethrough price on 05-02-2026
$24.70 USD
Free Shipping
on orders $49 and up
Partial Replacement
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Everything in one kit to replace your coolant expansion tank
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2587386
Mfg#:
8E0121403KT2
In Stock
ON SALE!
SAVE 10%
$47.99
This product was last offered at the strikethrough price on 05-02-2026
Install a brand new expansion tank with a new cap and hardware
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply From production date 5/2/2011
Brand:
ES#:
2678370
Mfg#:
8K0121405NKT
In Stock
ON SALE!
SAVE 16%
$86.99
This product was last offered at the strikethrough price on 05-02-2026
Everything in one kit to replace your coolant expansion tank
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2592613
Mfg#:
1K0121407AKT3
In Stock
ON SALE!
SAVE 25%
$32.99
This product was last offered at the strikethrough price on 05-02-2026
Everything you need to replace your faded, cracked, or leaky expansion tank!
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2637204
Mfg#:
8E0121403FKT2
Ships in 10 Business Days
ON SALE!
SAVE 14%
$62.99
This product was last offered at the strikethrough price on 05-02-2026
$54.44 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
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Install a brand new expansion tank with a new R8 polished aluminum cap and hardware
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2637205
Mfg#:
8E0121403FKT3
Ships in 10 Business Days
$357.91
This product was last offered at the strikethrough price on 10-26-2026
$353.08 USD
Free Shipping
Lifetime Replacement
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Composed of genuine Audi parts to fix your leaking coolant expansion tank.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
3677963
Mfg#:
8T0121405KT
Ships on Nov 13, 2026
$348.99
This product was last offered at the strikethrough price on 08-31-2026
Install a brand new expansion tank with a new R8 polished aluminum cap and hardware
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Up to VIN 8D-W-007799, split is in the 1998 model year
Brand:
ES#:
2598438
Mfg#:
8D0121403DR8KT
Back Ordered
$335.53
This product was last offered at the strikethrough price on 10-26-2026
Everything you need to replace your faded, cracked, or leaky expansion tank!
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2586930
Mfg#:
8E0121403KT1
In Stock
ON SALE!
SAVE 10%
$47.99
This product was last offered at the strikethrough price on 05-02-2026
Install a brand new expansion tank with a new cap and hardware
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Fits from production date 11/13/2017 up to 1/14/2019
Brand:
ES#:
3969908
Mfg#:
8W0121405FKT1
Ships in 6 Business Days
$252.99
This product was last offered at the strikethrough price on 10-26-2026
Install a brand new expansion tank with a new cap and hardware
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2966326
Mfg#:
8D0121403LXKT
Ships in 3 Business Days
ON SALE!
$49.99
This product was last offered at the strikethrough price on 05-02-2026
Lifetime Replacement
