Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

Audi RS3 8V (2018+) 2.5T

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi RS3 8V (2018+) 2.5T
Your Vehicle Audi RS3 8V (2018+) 2.5T
Change Clear

Audi RS3 8V (2018+) 2.5T Engine Thermostat Parts

Sort By
Filter By
Return to Top

Thermostat Assembly

ES#4820277 - 07K121111E - Thermostat Assembly - Includes thermostat housing with thermostat - Wahler - Audi

Includes thermostat housing with thermostat

Brand:
Wahler - Corporate Logo
ES#:
4820277
Mfg#:
07K121111E
In Stock at Vendor
$446.99

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

$434.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#4699802 - 07K121111F - Thermostat Assembly - Includes thermostat housing with thermostat - Genuine Volkswagen Audi - Audi

Includes thermostat housing with thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4699802
Mfg#:
07K121111F
Ships in 1 day
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$833.99

This product was last offered at the strikethrough price on
02-26-2026

$776.99 USD
Free Shipping
on orders $49 and up

Thermostat Replacement Kit

ES#4842735 - 07K121111ELT1KT - Thermostat Replacement Kit - Keep your cooling system efficient with a new thermostat, housing and o-ring - Assembled By ECS - Audi

Keep your cooling system efficient with a new thermostat, housing and o-ring 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4842735
Mfg#:
07K121111ELT1KT
Ships in 1 day
ON SALE!
$461.99

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

$434.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat Housing Sealing O-Ring

ES#4699803 - 07K121139A - Thermostat Housing Sealing O-Ring - Seals the connection point between the thermostat housing and coolant hose - Genuine Volkswagen Audi - Audi

Seals the connection point between the thermostat housing and coolant hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4699803
Mfg#:
07K121139A
Ships in 1 day
$10.99 USD
Free Shipping
on orders $49 and up

Thermostat Replacement Kit

ES#4842736 - 07K121111FKT1 - Thermostat Replacement Kit - Keep your cooling system efficient with a new thermostat, housing and o-ring - Genuine Volkswagen Audi - Audi

Keep your cooling system efficient with a new thermostat, housing and o-ring

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4842736
Mfg#:
07K121111FKT1
Ships in 1 day
$791.99

This product was last offered at the strikethrough price on
02-26-2026

$791.00 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings