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1981 Porsche 928 Base Coupe V8 4.5L

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Your Vehicle 1981 Porsche 928 Base Coupe V8 4.5L
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1981 Porsche 928 Base Coupe V8 4.5L Engine Thermostat Parts

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Thermostat O-Ring (60 X 3.5 Mm)

ES#1512993 - 99970163240 - Thermostat O-Ring (60 X 3.5 Mm) - Rubber thermostat housing seal - Genuine Porsche - Porsche

Rubber thermostat housing seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
1512993
Mfg#:
99970163240
Ships in 4 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring (60 X 3.5 Mm)

ES#2524780 - 99970163240 - Thermostat O-Ring (60 X 3.5 Mm) - Rubber thermostat housing seal - MTC - Porsche

Rubber thermostat housing seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
2524780
Mfg#:
99970163240
Ships in 9 Business Days
$1.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Insert

ES#3624073 - 92810612917 - Thermostat Insert - Located in the housing where the lower radiator hose connects to the cooling system - MotoRad - Porsche

Located in the housing where the lower radiator hose connects to the cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MotoRad
ES#:
3624073
Mfg#:
92810612917
Back Ordered
$24.99

This product was last offered at the strikethrough price on
05-07-2026

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Thermostat Parts

Your thermostat helps regulate engine temperatures by allowing the coolant to circulate through the radiator once it opens. If it fails, this might mean it never closes, but worst case, it could mean your coolant doesn't get to the radiator. Stay ahead of cooling issues by replacing your thermostat regularly with an OEM thermostat or quality aftermarket thermostat from our selection.

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Manufacturer names and/or part numbers are used only for identification purposes.

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