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 C4 S4 Quattro 20v T

    • 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 C4 S4 Quattro 20v T
Your Vehicle Audi C4 S4 Quattro 20v T
Change Clear

Audi C4 S4 Quattro 20v T Most Popular Parts

Sort By
Filter By
Return to Top

Coolant Hose Flange

ES#2878097 - 034121143E - Coolant Hose Flange - Single hose flange that is located in the back of the cylinder head, requires o-ring part #N 900 351 03 - Vaico - Audi

Single hose flange that is located in the back of the cylinder head, requires o-ring part #N 900 351 03 We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2878097
Mfg#:
034121143E
In Stock at Vendor
$4.81 USD
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug

ES#2866059 - 059103193 - Oil Drain Plug - Does not include crush washer. M26x.1.5 - Febi - Audi Volkswagen

Does not include crush washer. M26x.1.5 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866059
Mfg#:
059103193
In Stock
ON SALE! SAVE 52%
$9.89

This product was last offered at the strikethrough price on
05-14-2026

$4.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold Gasket - Priced Each

ES#2580845 - 034129717K - Intake Manifold Gasket - Priced Each - Seals the gap between the intake manifold and the cylinder head - Elring - Audi

Seals the gap between the intake manifold and the cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
AAN Engine Code Only

Brand:
Elring - Corporate Logo
ES#:
2580845
Mfg#:
034129717K
In Stock at Vendor
$9.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Valve

ES#3618286 - 4A0819809 - Heater Valve - Runs in-line with the heater core return hoses - URO - Audi

Runs in-line with the heater core return hoses 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3618286
Mfg#:
4A0819809
Back Ordered
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2535171 - 443121321 - Expansion Tank Cap - Keep proper pressure on your coolant - URO - Audi Volkswagen

Keep proper pressure on your coolant 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535171
Mfg#:
443121321
Ships in 1 Business Day
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Nut - Priced Each

ES#11877 - 048105427 - Connecting Rod Nut - Priced Each - Secures the connecting rod end caps - Febi - Audi Volkswagen

Secures the connecting rod end caps 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
11877
Mfg#:
048105427
Ships on Oct 28, 2026
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rubber Surround Band For Boost Gauge

ES#1899344 - CON028 - Rubber Surround Band For Boost Gauge - Ensure a snug fit for your aftermarket gauges - New South Performance - Audi Volkswagen

Ensure a snug fit for your aftermarket gauges

Brand:
New South Performance - Corporate Logo
ES#:
1899344
Mfg#:
CON028
In Stock
$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - 1.8 bar

ES#3970952 - 056919081 - Oil Pressure Switch - 1.8 bar - Low pressure screw in oil pressure switch. M10x1 - Meyle - Audi Volkswagen

Low pressure screw in oil pressure switch. M10x1 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
AAN Engine Code Only

Brand:
Meyle - Corporate Logo
ES#:
3970952
Mfg#:
056919081
Ships on Dec 10, 2026
$8.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Seal

ES#273739 - 035121043 - Water Pump Seal - Keep your waterpump leak free! - Genuine Volkswagen Audi - Audi

Keep your waterpump leak free!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
273739
Mfg#:
035121043
Ships in 4 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#8692 - 074121121B - Thermostat Housing - Located behind water pump housing - MTC - Audi Volkswagen

Located behind water pump housing

Brand:
MTC - Corporate Logo
ES#:
8692
Mfg#:
074121121B
Ships in 9 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Circlip - priced each

ES#2803533 - 113517279 - Circlip - priced each - Locks cv joint on shaft. 24.5x2 - Rein - Audi Volkswagen

Locks cv joint on shaft. 24.5x2 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803533
Mfg#:
113517279
Special Order: No Guaranteed ETA
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm Bushing Sleeve - Priced Each

ES#3970708 - 4A0399413A - Front Lower Control Arm Bushing Sleeve - Priced Each - Sleeve that protects the inner bushing from the bolt - Meyle - Audi

Sleeve that protects the inner bushing from the bolt 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970708
Mfg#:
4A0399413A
Ships on Dec 10, 2026
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2708530 - 074121121B - Thermostat Housing - Located behind water pump housing - URO - Audi Volkswagen

Located behind water pump housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2708530
Mfg#:
074121121B
Ships in 1 Business Day
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Temperature Sensor

ES#2534318 - 12621288158 - Water Temperature Sensor - M14x1.5 Thread - URO - Audi BMW Volkswagen

M14x1.5 Thread 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534318
Mfg#:
12621288158
Back Ordered
$6.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Cap

ES#10455 - 443121321 - Expansion Tank Cap - Keep proper pressure on your coolant - Febi - Audi Volkswagen

Keep proper pressure on your coolant 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
10455
Mfg#:
443121321
In Stock at Vendor
$6.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Oil Line Gasket

ES#274125 - 035145773D - Turbo Oil Line Gasket - Gasket between upper oil line to turbo. Sits on top the turbo - Genuine Volkswagen Audi - Audi

Gasket between upper oil line to turbo. Sits on top the turbo

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274125
Mfg#:
035145773D
Ships in 3 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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