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 B6 A4 Quattro 1.8T

    • 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 B6 A4 Quattro 1.8T
Your Vehicle Audi B6 A4 Quattro 1.8T
Change Clear

Audi B6 A4 Quattro 1.8T Engine Cooling Parts

Sort By
Filter By
Return to Top

Expansion Tank Cap

ES#2102281 - 8E0121321 - Expansion Tank Cap - Plastic pressure cap for expansion tank - MTC - Audi

Plastic pressure cap for expansion tank

Brand:
MTC - Corporate Logo
ES#:
2102281
Mfg#:
8E0121321
Back Ordered
$5.99 USD
Free Shipping
on orders $49 and up

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

Sensor Retaining Clip - Priced Each

ES#2586934 - 032121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Rein - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2586934
Mfg#:
032121142
Ships in 4 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HOLDING CLIP

2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801984
Mfg#:
32121142
Ships in 4 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

seal ring

ES#2865798 - 038117070A - seal ring - Seals the connection between the oil cooler and the filter adapter. 59x5 - Febi - Audi Volkswagen

Seals the connection between the oil cooler and the filter adapter. 59x5 We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865798
Mfg#:
038117070A
Ships on Jan 11, 2027
$4.99 USD
Free Shipping
on orders $49 and up

Oil Filter Adapter Gasket

Seals the oil filter adapter to the engine block

Brand:
Meistersatz - Corporate Logo
ES#:
4150829
Mfg#:
06A115441J
Back Ordered
$3.66 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

Water Pump O-Ring

ES#4144993 - 06A121119 - Water Pump O-Ring - Ensure a proper seal when installing a new water pump. 53x4mm - Rein - Audi Volkswagen

Ensure a proper seal when installing a new water pump. 53x4mm 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4144993
Mfg#:
06A121119
Back Ordered
$3.99

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

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

Coolant Flange Plug - Priced Each

ES#2815649 - 357121140 - Coolant Flange Plug - Priced Each - Clip and o-ring sold separately - Hamburg Tech - Audi Volkswagen

Clip and o-ring sold separately We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815649
Mfg#:
357121140
Ships in 2 Business Days
$1.99 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

Thermostat Assembly

ES#3190049 - 902-814 - Thermostat Assembly - Includes housing, gasket & sensor - Dorman - Audi

Includes housing, gasket & sensor

Brand:
Dorman - Corporate Logo
ES#:
3190049
Mfg#:
902-814
Ships in 4 Business Days
$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

ES#3520844 - 06B121132E - Cylinder Head Cooling Flange - Located at the rear of cylinder head, includes o-rings - Holstein - Audi

Located at the rear of cylinder head, includes o-rings

Brand:
Holstein - Corporate Logo
ES#:
3520844
Mfg#:
06B121132E
Ships in 2 Business Days
$15.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Hose - Return

ES#2627312 - 058121471B - Turbo Coolant Hose - Return - Connects the turbocharger to the hard water pipe - Rein - Audi Volkswagen

Connects the turbocharger to the hard water pipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2627312
Mfg#:
058121471B
Ships in 4 Business Days
$6.99 USD
Free Shipping
on orders $49 and up

Electric Fan Assembly - Right (300mm)

ES#2779676 - 8E0959455N - Electric Fan Assembly - Right (300mm) - Keep your cooling system operating properly - Vemo - Audi

Keep your cooling system operating properly

Brand:
Vemo - Corporate Logo
ES#:
2779676
Mfg#:
8E0959455N
Ships in 1 Business Day
$166.99

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

$161.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

Keep your cooling system operating properly

Brand:
APDI
ES#:
4146569
Mfg#:
8E0121251AQ
Ships in 1 Business Day
$215.99

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

$210.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Hose - Return

Connects the turbocharger to the hard water pipe

Brand:
Burgaflex - Corporate Logo
ES#:
4349479
Mfg#:
058121471B
Ships in 9 Business Days
$6.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime 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.

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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings