The last thermostat housing you'll ever need!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3086042
Mfg#:
006660ECS01
ON SALE!
SAVE 25%
$83.99
This product was last offered at the strikethrough price on 05-02-2026
$62.99 USD
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on orders $49 and up
Lifetime Replacement
Located on the left side of the cylinder head
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4415618
Mfg#:
038121133A
$157.99 USD
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on orders $49 and up
Lifetime Replacement
Common point of failure for the cooling system. Does not include O-Ring.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Brand:
ES#:
2500836
Mfg#:
06A121121C
$6.41 USD
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on orders $49 and up
Lifetime Replacement
Install a new o-ring for a proper seal. 36x3.15
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
274529
Mfg#:
037121687
30% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$7.08
This product was last offered at the strikethrough price on 06-10-2026
$4.99 USD
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Free Shipping
on orders $49 and up
Lifetime Replacement
Common point of failure for the cooling system. Does not include O-ring.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3470645
Mfg#:
462-121-121C
$39.99 USD
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on orders $49 and up
Lifetime Replacement
Includes all needed to plug a sensor hole
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2588261
Mfg#:
357121140KT
$18.99 USD
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Lifetime Replacement
For left cylinder head cooling flange (50x3.15)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
274530
Mfg#:
037121688
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$12.99
This product was last offered at the strikethrough price on 06-10-2026
$11.99 USD
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Free Shipping
on orders $49 and up
Lifetime Replacement
Common point of failure for the cooling system. Does not include O-ring.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
259317
Mfg#:
06A121121C
$45.99
This product was last offered at the strikethrough price on 05-07-2026
$43.99 USD
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on orders $49 and up
Lifetime Replacement
Prevent leaks with a new plug
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
333289
Mfg#:
357121140
14% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$13.99
This product was last offered at the strikethrough price on 06-10-2026
$11.99 USD
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Free Shipping
on orders $49 and up
Lifetime Replacement
Includes the plug, o-ring and securing clip
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Brand:
ES#:
2535191
Mfg#:
357121140
$1.71 USD
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on orders $49 and up
Lifetime Replacement
3 required
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2902867
Mfg#:
N10302102
$22.99 USD
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Lifetime Replacement
Includes the plug, o-ring and securing clip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
11965
Mfg#:
357121140
$3.05 USD
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on orders $49 and up
Lifetime Replacement
Located on the side of the cylinder head
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
279317
Mfg#:
06A121132C
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$59.98
This product was last offered at the strikethrough price on 05-07-2026
$55.94 USD
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Lifetime Replacement
Replace your inferior plastic component
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3553272
Mfg#:
462-121-132CD
$39.99 USD
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on orders $49 and up
Lifetime Replacement
Install a new o-ring for a proper seal. 36x3.15
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Brand:
ES#:
2865748
Mfg#:
037121687
$2.99 USD
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Free Shipping
on orders $49 and up
Lifetime Replacement
Located on the side of the cylinder head
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Brand:
ES#:
2594507
Mfg#:
06A121132C
$7.99 USD
Add to Cart
Free Shipping
on orders $49 and up
Lifetime Replacement