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Audi Q5 3.0T Engine Thermostat Parts

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Thermostat Hose O-ring

ES#3419387 - 06E121119C - Thermostat Hose O-ring - Seals the coolant pipe to the thermostat housing. 23x28.4x4.5 - Victor Reinz - Audi

Seals the coolant pipe to the thermostat housing. 23x28.4x4.5

Brand:
Victor Reinz - Corporate Logo
ES#:
3419387
Mfg#:
06E121119C
Ships in 2 Business Days
$3.99

This product was last offered at the strikethrough price on
08-26-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#5443871 - 06E121111AL - Thermostat - Includes sealing gasket and housing - Hamburg Tech - Audi

Includes sealing gasket and housing

Brand:
Hamburg Tech - Corporate Logo
ES#:
5443871
Mfg#:
06E121111AL
Ships in 2 Business Days
ON SALE! SAVE 10%
$50.99

This product was last offered at the strikethrough price on
09-03-2026

$45.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#3690438 - 06e121111alktKT5 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3690438
Mfg#:
06E121111ALKTKT5
Ships in 2 Business Days
ON SALE! SAVE 16%
$85.99

This product was last offered at the strikethrough price on
05-02-2026

$72.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial 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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