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 Engine Electrical Parts

Sort By
Filter By
Return to Top

GB500+ Max UltraSafe Lithium 6250 Amp Jump Starter - NOCO

ES#4336379 - GB500 - GB500+ Max UltraSafe Lithium 6250 Amp Jump Starter - NOCO - This powerful 12V and 24V jump starter is suitable for nearly all cases - including diesel engines up to 45 liters and equipment up to 16 cylinders - or use it in your garage for all of your needs! - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This powerful 12V and 24V jump starter is suitable for nearly all cases - including diesel engines up to 45 liters and equipment up to 16 cylinders - or use it in your garage for all of your needs!

Brand:
NOCO - Corporate Logo
ES#:
4336379
Mfg#:
GB500
Back Ordered
20% off MSRP

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

$2499.99

This product was last offered at the strikethrough price on
10-23-2026

$1999.99 USD
Free Shipping

Iridium BKR9EIX Spark Plug - Priced Each

ES#2575952 - BKR9EIX - Iridium BKR9EIX Spark Plug - Priced Each - The NGK Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling properties. - NGK - Audi

The NGK Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling properties. We Price Match - Give Us A Call or Chat!
Recommended to be used by various tuners when paired with performance software - recommended gap of .024” +/- .002”

Brand:
NGK - Corporate Logo
ES#:
2575952
Mfg#:
BKR9EIX
In Stock
$15.13

This product was last offered at the strikethrough price on
09-15-2026

$9.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Upgraded Ignition Coils - Red - Set Of Six

ES#4030593 - ms100192KT2 - APR Upgraded Ignition Coils - Red - Set Of Six - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! Call In Or Chat For Best Price!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4030593
Mfg#:
MS100192KT2
EO#:
D-783-5
In Stock
ON SALE! SAVE 10%
$317.99

This product was last offered at the strikethrough price on
09-28-2026

$285.93 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Endurance Series AGM Battery- B49-H8-L5

ES#3617596 - B10049 - Endurance Series AGM Battery- B49-H8-L5 - Designed for a wide range of demanding, high performance applications, this battery is reliable, long-lasting, and engineered for high shock and vibration applications. - Braille - Audi BMW

Designed for a wide range of demanding, high performance applications, this battery is reliable, long-lasting, and engineered for high shock and vibration applications. This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shipping

Brand:
Braille - Corporate Logo
ES#:
3617596
Mfg#:
B10049
In Stock
$446.99 USD
This product is lifetime replacement eligible Lifetime Replacement

RacingLine Higher Output Ignition Coils - Blue - Set Of Six

ES#4708312 - VWR900000-6KT - RacingLine Higher Output Ignition Coils - Blue - Set Of Six - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi

Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils.

Brand:
Racingline - Corporate Logo
ES#:
4708312
Mfg#:
VWR900000-6KT
Ships in 7 Business Days
$330.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

7/8"(22mm) Flexible Oxygen Sensor Wrench

ES#240942 - FO-78 - 7/8"(22mm) Flexible Oxygen Sensor Wrench - The proper tool to remove difficult-to-reach oxygen sensors - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

The proper tool to remove difficult-to-reach oxygen sensors 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
240942
Mfg#:
FO-78
Ships on Dec 1, 2026
ON SALE! SAVE 25%
$48.99

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

$36.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#4340775 - 06H905110P - Ignition Coil - Priced Each - Keep your engine running smooth - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running smooth

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4340775
Mfg#:
06H905110P
In Stock
5% off MSRP

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

$104.98

This product was last offered at the strikethrough price on
10-23-2026

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS High Performance Red Ignition Coil For Gen3 TSI - Priced Each

ES#4419973 - CTS-IGN-007 - CTS High Performance Red Ignition Coil For Gen3 TSI - Priced Each - These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at its peak performance. - CTS - Audi Volkswagen

These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at it’s peak performance.

Brand:
CTS - Corporate Logo
ES#:
4419973
Mfg#:
CTS-IGN-007
In Stock
ON SALE! SAVE 15%
$39.99

This product was last offered at the strikethrough price on
09-29-2026

$33.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2539163 - 101905631GKT - Ignition Service Kit - Includes six OE red coil packs and six NGK spark plugs - Assembled By ECS - Audi
ECS Tuning recommends this product.

Includes six OE red coil packs and six NGK spark plugs 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2539163
Mfg#:
101905631GKT
In Stock
ON SALE!
$266.99

This product was last offered at the strikethrough price on
09-20-2026

$253.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS High Performance Ignition Coil

ES#4419105 - CTS-IGN-006 - CTS High Performance Ignition Coil - These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at its peak performance. - CTS - Audi Volkswagen

These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at it’s peak performance.

Brand:
CTS - Corporate Logo
ES#:
4419105
Mfg#:
CTS-IGN-006
Ships in 1 Business Day
ON SALE! SAVE 15%
$29.99

This product was last offered at the strikethrough price on
09-29-2026

$25.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump Kit

ES#5424543 - 07L127026AKKT - High Pressure Fuel Pump Kit - Includes HPFP, Fuel Pump Cam Follower, and Hardware - Assembled By ECS - Audi Volkswagen

Includes HPFP, Fuel Pump Cam Follower, and Hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5424543
Mfg#:
07L127026AKKT
Ships in 1-2 days
$864.99

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

$663.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Priced Each

ES#2731765 - 94460 - Spark Plug - Priced Each - Keep your engine running strong - NGK - Audi Porsche

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

Brand:
NGK - Corporate Logo
ES#:
2731765
Mfg#:
94460
In Stock
$12.99

This product was last offered at the strikethrough price on
10-12-2026

$12.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump

ES#5433871 - 07L127026AL - High Pressure Fuel Pump - Located on the left cylinder head - URO - Audi Volkswagen

Located on the left cylinder head 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
5433871
Mfg#:
07L127026AL
In Stock
$309.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coils - Set Of Six

ES#3521565 - 06e905115fKT1 - Ignition Coils - Set Of Six - A common cure for misfire codes - Bosch - Audi

A common cure for misfire codes We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3521565
Mfg#:
06E905115FKT1
In Stock
$197.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Priced Each

ES#7573 - BKR6EQUP - Spark Plugs - Priced Each - BKR6EQUP / 3199 - NGK - Audi BMW

BKR6EQUP / 3199 We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
7573
Mfg#:
BKR6EQUP
In Stock
$9.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silver Racing 2MOER10S Spark Plugs - Set Of Six

ES#4715010 - 2m0er10sKT - Silver Racing 2MOER10S Spark Plugs - Set Of Six - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - Audi

Featuring silver fine wire center electrode - Superior ignition ability increases engine power! One heat range colder than NGK 97506 SILZKBR8D8S

Brand:
Brisk - Corporate Logo
ES#:
4715010
Mfg#:
2M0ER10SKT
In Stock
$92.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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.

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