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

No Vehicle selected
Please select your vehicle below.

    • 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 Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi S4 Climate Control & HVAC Parts

Sort By
Filter By
Return to Top

Heater Core Hose Grommet

ES#438088 - 8E0819699A - Heater Core Hose Grommet - Fits over the heater core hoses - Genuine Volkswagen Audi - Audi

Fits over the heater core hoses

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
438088
Mfg#:
8E0819699A
Ships in 3 Business Days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Coupler

ES#3189483 - 627-000 - Cooling System Coupler - Keep your cooling system leak free - Dorman - Audi Volkswagen

Keep your cooling system leak free

Brand:
Dorman - Corporate Logo
ES#:
3189483
Mfg#:
627-000
Ships in 5 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#2898714 - 443819030 - Heater Core - A replacement for clogged or broken cores. - Vemo - Audi

A replacement for clogged or broken cores.

Brand:
Vemo - Corporate Logo
ES#:
2898714
Mfg#:
443819030
In Stock at Vendor
$64.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Blower Motor

Pushes air through the vent system 10X Entries For Our 25th Anniversary Sweepstakes!
From the 2013 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
5340942
Mfg#:
8T1820021
Ships on Aug 11, 2026
Auto Notify
ON SALE! SAVE 11%
$71.99

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

$64.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cabin Filter / Fresh Air Filter

ES#258830 - 8E0819439 - Cabin Filter / Fresh Air Filter - Filter the air coming into your vehicle - Genuine Volkswagen Audi - Audi

Filter the air coming into your vehicle

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258830
Mfg#:
8E0819439
Ships in 3 Business Days
9% off MSRP

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

$33.99

This product was last offered at the strikethrough price on
07-22-2026

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Expansion Valve

ES#3432685 - 8K0820679A - A/C Expansion Valve - Causes a pressure drop before the evaporator - Behr - Audi

Causes a pressure drop before the evaporator Up to the 2012 model year

Brand:
Behr - Corporate Logo
ES#:
3432685
Mfg#:
8K0820679A
Ships in 1-2 days
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Line O-Ring - Priced Each

ES#413920 - 7H0820749 - A/C Line O-Ring - Priced Each - Replace seals any time the lines are removed. 17.2x1.82 - Genuine Volkswagen Audi - Audi Volkswagen

Replace seals any time the lines are removed. 17.2x1.82

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
413920
Mfg#:
7H0820749
Ships in 1-2 days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Line O-Ring - Priced Each

ES#2598140 - 8E0260749 - A/C Line O-Ring - Priced Each - Replace seals any time the lines are removed. 10.8x1.82 - Rein - Audi Volkswagen

Replace seals any time the lines are removed. 10.8x1.82 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2598140
Mfg#:
8E0260749
In Stock
$1.01

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

$1.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#403878 - 6Q0820539 - Temperature Sensor - Located on the air distribution housing - Genuine Volkswagen Audi - Audi

Located on the air distribution housing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
403878
Mfg#:
6Q0820539
Ships in 3 Business Days
6% off MSRP

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

$61.99

This product was last offered at the strikethrough price on
07-22-2026

$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Pressure Safety Switch

ES#2636013 - 3R0959126 - A/C Pressure Safety Switch - Prevents excess pressure from building within the system - ACM - Audi

Prevents excess pressure from building within the system

Brand:
ACM - Corporate Logo
ES#:
2636013
Mfg#:
3R0959126
Back Ordered
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor - Priced Each

ES#2500959 - 4B0820539 - Temperature Sensor - Priced Each - Located on the front of the air distribution housing - URO - Audi Volkswagen

Located on the front of the air distribution housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2500959
Mfg#:
4B0820539
Ships in 2 Business Days
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Clutch Control Relay

ES#2898720 - 443919578C - A/C Clutch Control Relay - Engages the magnetic clutch on the compressor - Vemo - Audi Volkswagen

Engages the magnetic clutch on the compressor

Brand:
Vemo - Corporate Logo
ES#:
2898720
Mfg#:
443919578C
In Stock at Vendor
$56.99

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

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Pressure Safety Switch

ES#3557652 - 3R0959126 - A/C Pressure Safety Switch - Prevents excess pressure from building within the system - Original Equipment Supplier - Audi

Prevents excess pressure from building within the system

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
3557652
Mfg#:
3R0959126
Back Ordered
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Pipe Set

ES#442058 - 8E1898350 - Heater Core Pipe Set - Connects the heater core to the coolant hoses - Genuine Volkswagen Audi - Audi

Connects the heater core to the coolant hoses

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
442058
Mfg#:
8E1898350
Ships in 4 Business Days
10% off MSRP

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

$57.99

This product was last offered at the strikethrough price on
07-22-2026

$51.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Valve

Runs in-line with the heater core return hoses

Brand:
OE Aftermarket - Corporate Logo
ES#:
4066884
Mfg#:
4A0819809
Back Ordered
$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Blower Motor Resistor

ES#2816321 - 8D1907521 - Blower Motor Resistor - For controlling fan speed - Hamburg Tech - Audi Volkswagen

For controlling fan speed We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816321
Mfg#:
8D1907521
Ships in 2 Business Days
$49.99 USD
Free Shipping
on orders $49 and up

More About Climate Control & HVAC Parts

Stay warm in winter; cool in summer. Maintain and repair your HVAC system for year round comfort and safety.

Let us help you find the parts that fit your Audi

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