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Audi C7 A6 Quattro 3.0 TDI

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Audi C7 A6 Quattro 3.0 TDI Engine Cooling Parts

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Expansion Tank Cap - Black

ES#3970169 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Meyle - Audi Volkswagen Porsche

Keep proper pressure in your coolant system 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970169
Mfg#:
5Q0121321
Ships on Oct 7, 2026
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap Seal

ES#2598146 - 1H0121687A - Expansion Tank Cap Seal - Seals the expansion tank cap to the reservoir. 28.5x3.8 - Vaico - Audi Volkswagen

Seals the expansion tank cap to the reservoir. 28.5x3.8 We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2598146
Mfg#:
1H0121687A
Ships in 1 Business Day
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Anti-Freeze Tester

ES#4337913 - CTAA195 - Anti-Freeze Tester - Tests all ethylene glycol solutions with radiator hot or cold - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Tests all ethylene glycol solutions with radiator hot or cold

Brand:
CTA Tools - Corporate Logo
ES#:
4337913
Mfg#:
CTAA195
In Stock
$9.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2815697 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Hamburg Tech - Audi Volkswagen

Keep proper pressure in your coolant system We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815697
Mfg#:
3B0121321
Ships in 1 Business Day
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Mounting Bracket Bushing - Priced Each

ES#3678190 - 4H0121268 - Radiator Mounting Bracket Bushing - Priced Each - Bushing located below the lower radiator mounting bracket - Rein - Audi

Bushing located below the lower radiator mounting bracket 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3678190
Mfg#:
4H0121268
Ships in 3 Business Days
$3.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#3672033 - 3C0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Stant - Audi Volkswagen Porsche

Keep proper pressure in your coolant system

Brand:
Stant - Corporate Logo
ES#:
3672033
Mfg#:
3C0121321
Back Ordered
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose Retaining Clip - Priced Each

ES#4941347 - 1J0121142 - Cooling Hose Retaining Clip - Priced Each - Secures the radiator hose flange in place. 32mm - Bremmen Parts - Audi Volkswagen

Secures the radiator hose flange in place. 32mm 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4941347
Mfg#:
1J0121142
Back Ordered
ON SALE! SAVE 57%
$1.99

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

$0.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange & Bypass Line Adapter

Common point of failure or leaking for the cooling system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481872
Mfg#:
059121737AMKT
Ships in 1-2 days
$175.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CSF Universal Large Single-Pass Cooler

ES#5470103 - 8371 - CSF Universal Large Single-Pass Cooler - Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. - CSF - Audi BMW Volkswagen Mercedes Benz MINI

Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. 2X Entries Into Our F80 M3 Sweepstakes
Universal fitment design - modifications may be necessary to run this cooler

Brand:
CSF - Corporate Logo
ES#:
5470103
Mfg#:
8371
Ships in 3 Business Days
$499.00 USD
Free Shipping

Lower Radiator Bushing - Priced Each

ES#4798007 - 4h0121276 - Lower Radiator Bushing - Priced Each - Rubber mounts that stabilize the radiator - Rein - Audi

Rubber mounts that stabilize the radiator 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4798007
Mfg#:
4H0121276
Ships in 3 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Kit

ES#5373592 - EPK0191 - Coolant Expansion Tank Kit - Kit includes expansion tank and a cap - Rein - Audi

Kit includes expansion tank and a cap 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5373592
Mfg#:
EPK0191
Ships in 3 Business Days
$67.99 USD
Free Shipping
on orders $49 and up

Auxiliary Electric Water Pump

ES#5515702 - 059121012A - Auxiliary Electric Water Pump - Maintain proper coolant circulation while protecting critical components against thermal stress - Rein - Audi Volkswagen

Maintain proper coolant circulation while protecting critical components against thermal stress 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5515702
Mfg#:
059121012A
Ships in 3 Business Days
$91.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Electric Water Pump

ES#5515683 - 7L0965561L - Auxiliary Electric Water Pump - Restore proper cooling system circulation, prevent heat soak, and maintain cabin heating. - Rein - Audi Volkswagen

Restore proper cooling system circulation, prevent heat soak, and maintain cabin heating. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5515683
Mfg#:
7L0965561L
Ships in 3 Business Days
$75.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

Monitors coolant temperature for fan control & gauge readings

Brand:
VNE - Corporate Logo
ES#:
4745318
Mfg#:
079919523J
Ships in 1 Business Day
$64.99 USD
Free Shipping
on orders $49 and up

Oil Filter Housing & Thermostat

Includes Oil filter, filter cap, gaskets and coolant thermostat

Brand:
Hudson - Corporate Logo
ES#:
5386843
Mfg#:
059115389P
Ships in 1 day
$236.99 USD
Free Shipping
on orders $49 and up

Water Pump / Thermostat Kit - 3.0 TDI

ES#5386470 - 059121008KKT - Water Pump / Thermostat Kit - 3.0 TDI - Includes necessary parts to replace the thermostat and water pump. - Genuine Volkswagen Audi - Audi

Includes necessary parts to replace the thermostat and water pump.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5386470
Mfg#:
059121008KKT
Ships in 1 day
$912.99

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

$863.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

More About Engine Cooling Parts

Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.

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

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