Prevent pressure loss and overheating with a new expansion tank cap
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Brand:
ES#:
4304653
Mfg#:
17117639022
In Stock
ON SALE!
SAVE 15%
$13.99
This product was last offered at the strikethrough price on 06-03-2026
Includes connector housing with terminals and seals. Commonly used for the coolant level sensor.
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Brand:
ES#:
4772597
Mfg#:
61132359999
In Stock
ON SALE!
SAVE 25%
$10.99
This product was last offered at the strikethrough price on 06-13-2026
Includes level sensor and cap!
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Monitors the coolant level in the 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 We Price Match - Give Us A Call or Chat!
Monitors the coolant level in the 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#:
168111
Mfg#:
61318360876
In Stock
2% 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 10-25-2026
Replace worn or missing pieces.
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Brand:
ES#:
3672879
Mfg#:
17117639022
In Stock
ON SALE!
SAVE 40%
$14.99
This product was last offered at the strikethrough price on 05-14-2026
Replace when performing cooling service.
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Brand:
ES#:
205244
Mfg#:
17111742231
In Stock
$17.99
This product was last offered at the strikethrough price on 10-22-2026
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 We Price Match - Give Us A Call or Chat!
Cooling system expansion tank
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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
