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 C5 S6 Quattro 4.2

    • 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 C5 S6 Quattro 4.2
Your Vehicle Audi C5 S6 Quattro 4.2
Change Clear

Audi C5 S6 Quattro 4.2 Engine Electrical Parts

Sort By
Filter By
Return to Top

Knock Sensor - Green Connector

ES#4487635 - 054905377A - Knock Sensor - Green Connector - Detects engine ping for timing adjustment - Meyle - Audi Volkswagen

Detects engine ping for timing adjustment 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4487635
Mfg#:
054905377A
Ships on Sep 28, 2026
$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuse Box Relay Plate

ES#3970913 - 8L0941822A - Fuse Box Relay Plate - The portion of the fuse box that accepts the relays - Meyle - Audi Volkswagen

The portion of the fuse box that accepts the relays 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970913
Mfg#:
8L0941822A
Ships on Sep 28, 2026
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coils - Set Of Eight

ES#2538912 - 06B905115E - Ignition Coils - Set Of Eight - A common cure for misfire codes - Meyle - Audi

A common cure for misfire codes 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2538912
Mfg#:
06B905115E
Ships on Sep 28, 2026
$359.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 150-Amp

ES#2167396 - 038903018D - Remanufactured Alternator - 150-Amp - Includes a $72.80 refundable core charge - Bosch - Audi

Includes a $72.80 refundable core charge We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2167396
Mfg#:
038903018D
Ships on Oct 6, 2026
$433.99

This product was last offered at the strikethrough price on
08-25-2026

$359.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

In-Tank Fuel Pump Gasket

ES#5339712 - 1J0919133B - In-Tank Fuel Pump Gasket - Located between the retaining ring and fuel tank - Elring - Audi Volkswagen

Located between the retaining ring and fuel tank 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5339712
Mfg#:
1J0919133B
Special Order: No Guaranteed ETA
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Gasket

Located between the throttle body and intake manifold 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5340989
Mfg#:
077133073K
Special Order: No Guaranteed ETA
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5340675
Mfg#:
N90316802
Special Order: No Guaranteed ETA
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

window lifter

ES#2880698 - 140274 - window lifter - Vaico - Audi Volkswagen

We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2880698
Mfg#:
140274
Special Order: No Guaranteed ETA
$151.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coils - Set Of Eight

ES#2770088 - 06b905115ekt7 - Ignition Coils - Set Of Eight - A common cure for misfire codes - Vemo - Audi

A common cure for misfire codes

Brand:
Vemo - Corporate Logo
ES#:
2770088
Mfg#:
06B905115EKT7
Ships on Jan 7, 2027
$391.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - Green Connector

ES#2894720 - 054905377A - Knock Sensor - Green Connector - Detects engine ping for timing adjustment - Vemo - Audi Volkswagen

Detects engine ping for timing adjustment

Brand:
Vemo - Corporate Logo
ES#:
2894720
Mfg#:
054905377A
Special Order: No Guaranteed ETA
$41.99 USD
Free Shipping
on orders $49 and up

FP34 Fuel Pump Surge Tank

ES#4877045 - 034-106-A002/3 - FP34 Fuel Pump Surge Tank - Designed for Bosch 044 Fuel Pump - 034Motorsport - Audi Volkswagen

Designed for Bosch 044 Fuel Pump 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4877045
Mfg#:
034-106-A002/3
Back Ordered
$351.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Eight (#FGR6KQC)

ES#8130 - FGR6KQC-8 - Spark Plugs - Set Of Eight (#FGR6KQC) - Keep your engine running strong - Bosch - Audi

Keep your engine running strong We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
8130
Mfg#:
FGR6KQC-8
Back Ordered
$58.99 USD
Free Shipping
on orders $49 and up

Oil Level Sensor

ES#5492969 - 1J0907660F - Oil Level Sensor - Replacement sensor to cure false low-oil warnings, resolve dashboard error lights, and restore accurate oil level monitoring to your VAG vehicle. - Febi - Audi Volkswagen

Replacement sensor to cure false low-oil warnings, resolve dashboard error lights, and restore accurate oil level monitoring to your VAG vehicle. From the 2003 model year

Brand:
Febi - Corporate Logo
ES#:
5492969
Mfg#:
1J0907660F
Special Order: No Guaranteed ETA
$40.99 USD
Free Shipping
on orders $49 and up

CTEK MXS 25EC

Fully automatic 8 step smart charger and battery support unit that delivers 25A to 12V batteries from 40–500Ah.

Brand:
CTEK - Corporate Logo
ES#:
4492939
Mfg#:
40-128
Back Ordered
$437.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTEK Pro Battery Tester

Don't leave yourself stranded with a dead battery.

Brand:
CTEK - Corporate Logo
ES#:
4492938
Mfg#:
40-209
Back Ordered
$1103.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Battery Relocation Kit

Odyssey 680 - Switch Mount

Brand:
Rennline - Corporate Logo
ES#:
2839918
Mfg#:
EL4138
Back Ordered
$173.00 USD
Free Shipping
on orders $49 and up

More About Engine Electrical Parts

With automotive electrical content growing yearly, it has never been more important to keep your charging and electrical system in top working condition. ECS Tuning stocks a huge and constantly growing inventory of electrical sensors, electric motors, and electronic actuators from original equipment and name-brand aftermarket suppliers.

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