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Volkswagen Jetta Engine Thermostat Parts

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Thermostat Replacement Kit

ES#2763629 - 07K121115CKT - Thermostat Replacement Kit - Everything you need to service a faulty thermostat - Original Equipment Supplier - Volkswagen

Everything you need to service a faulty thermostat

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2763629
Mfg#:
07K121115CKT
Ships in 3 Business Days
$297.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2219756 - 022121117C - Thermostat Housing - Common point of failure or leaking for the cooling system - URO - Audi Volkswagen

Common point of failure or leaking for the cooling system 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2219756
Mfg#:
022121117C
Ships in 1 Business Day
$53.99

This product was last offered at the strikethrough price on
04-28-2026

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Lower

ES#1833519 - 1K0122109CB - Expansion Tank Hose - Lower - Connects the thermostat to the expansion tank - Genuine Volkswagen Audi - Audi Volkswagen

Connects the thermostat to the expansion tank For vehicles with CBEA or CJAA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1833519
Mfg#:
1K0122109CB
Ships in 1 day
6% off MSRP

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

$51.99

This product was last offered at the strikethrough price on
04-26-2026

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Thermostat Housing Kit

ES#3553465 - 462-121-vr-afpKT - Aluminum Thermostat Housing Kit - Replace your inferior plastic housings - iABED Industries - Volkswagen

Replace your inferior plastic housings

Brand:
iABED Industries - Corporate Logo
ES#:
3553465
Mfg#:
462-121-VR-AFPKT
Back Ordered
$286.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#2535131 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - URO - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with BRM engine code only

Brand:
URO - Corporate Logo
ES#:
2535131
Mfg#:
N90316802
In Stock
$1.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2812860 - 021121117A - Thermostat Housing - Located on the drivers side of the engine. O-rings sold separately. - Hamburg Tech - Volkswagen

Located on the drivers side of the engine. O-rings sold separately. We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812860
Mfg#:
021121117A
In Stock
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Cover

ES#4760014 - 021121121C - Thermostat Housing Cover - Common source of coolant leaks around your thermostat - Bremmen Parts - Volkswagen

Common source of coolant leaks around your thermostat 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4760014
Mfg#:
021121121C
In Stock
ON SALE! SAVE 20%
$10.99

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

$8.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Tube

ES#1833444 - 03L121065T - Coolant Tube - Connects thermostat housing to heater core hose - Genuine Volkswagen Audi - Audi Volkswagen

Connects thermostat housing to heater core hose For vehicles with CJAA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1833444
Mfg#:
03L121065T
Ships in 1 day
8% off MSRP

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

$88.99

This product was last offered at the strikethrough price on
10-05-2026

$81.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Return Hose

ES#2064744 - 5C0122073A - Heater Core Return Hose - Connects rear thermostat housing to heater core - Genuine Volkswagen Audi - Volkswagen

Connects rear thermostat housing to heater core For vehicles with automatic transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2064744
Mfg#:
5C0122073A
In Stock
Limited Qty Sale
$268.99

This product was last offered at the strikethrough price on
06-15-2026

$239.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hose - Radiator Lower

ES#4846348 - 1K0122051FT - Hose - Radiator Lower - Lower radiator hose that goes from the lower radiator neck to the water pump. - Rein - Volkswagen

Lower radiator hose that goes from the lower radiator neck to the water pump. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4846348
Mfg#:
1K0122051FT
Ships in 1 day
$121.99

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

$118.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spring Band Clamp - Priced Each

ES#261790 - N90687201 - Spring Band Clamp - Priced Each - Ensure a leak free installation. 40x12 - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a leak free installation. 40x12

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261790
Mfg#:
N90687201
Ships Today
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2582100 - 07K121113BKT - Thermostat Replacement Kit - Everything you need to service a faulty thermostat - Genuine Volkswagen Audi - Volkswagen

Everything you need to service a faulty thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2582100
Mfg#:
07K121113BKT
Ships in 2 Business Days
$245.99

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

$235.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Allen head Bolt (4mm) - Priced Each

ES#2770175 - N10196103 - Allen head Bolt (4mm) - Priced Each - Install new hardware with your new parts. Black oxide coated, M6x18. - ECS - Audi Volkswagen
ECS Tuning recommends this product.

Install new hardware with your new parts. Black oxide coated, M6x18. 10X Entries Into Our F80 M3 Sweepstakes

Used to secure thermostat housing, two required

Brand:
ECS - Corporate Logo
ES#:
2770175
Mfg#:
N10196103
In Stock
ON SALE! SAVE 25%
$1.99

This product was last offered at the strikethrough price on
07-28-2026

$1.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt - Priced Each

ES#468239 - N10458302 - Allen Bolt - Priced Each - Install new hardware with your new parts. M6x120x80 - Genuine Volkswagen Audi - Volkswagen

Install new hardware with your new parts. M6x120x80

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468239
Mfg#:
N10458302
In Stock
30% off MSRP

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

$4.86

This product was last offered at the strikethrough price on
10-21-2026

$3.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2785049 - 075121113DKT4 - Thermostat Replacement Kit - Featuring a low-temperature thermostat - Assembled By ECS - Volkswagen

Featuring a low-temperature thermostat 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2785049
Mfg#:
075121113DKT4
Ships in 3 Business Days
ON SALE!
$124.99

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

$115.26 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator hose - lower

ES#1833514 - 1K0122051HE - Radiator hose - lower - Complete assembly with quick-coupling piece - Genuine Volkswagen Audi - Audi Volkswagen

Complete assembly with quick-coupling piece For vehicles with CBEA or CJAA engine code with production date from 10/01/2009 only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1833514
Mfg#:
1K0122051HE
Ships in 2 Business Days
11% off MSRP

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

$256.99

This product was last offered at the strikethrough price on
08-31-2026

$228.99 USD
Free Shipping
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.

Let us help you find the parts that fit your Volkswagen

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

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