found on both ends of the ends of the hard coolant pipe, stop leaking coolant and keep your engine cool
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Install new hardware with your new parts. Black oxide coated, M6x18.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2770175
Mfg#:
N10196103
In Stock
ON SALE!
SAVE 35%
$1.29
This product was last offered at the strikethrough price on 05-02-2026
Install new hardware with your new parts. M6
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Used in securing the coolant expansion tank
Brand:
ES#:
470213
Mfg#:
N90570802
In Stock
19% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$3.55
This product was last offered at the strikethrough price on 06-07-2026
Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank replacement kit.
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Brand:
ES#:
3660806
Mfg#:
8K0121405QKT
Ships in 5 Business Days
ON SALE!
$83.99
This product was last offered at the strikethrough price on 05-02-2026
Required for pre-facelift (up to 2012) B8 S4 / B8 S5 3.0T models, and select C7 models.
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Required for pre-facelift (up to 2012) models to fit APR Coolant Performance System MS100127
Brand:
ES#:
3219342
Mfg#:
MS100136
Ships in 5 Business Days
12% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$92.99
This product was last offered at the strikethrough price on 06-07-2026
Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.
Lifetime Replacement
