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Audi A4 Engine Electrical Parts

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RS Ignition Service Kit

ES#3691929 - 06h905110lkt3 - RS Ignition Service Kit - Add 8V RS3/B9 S4 spark with these red top coil packs and RS7 spark plugs for the ultimate ignition service kit for your 1.8T/2.0T Gen3 engine! - Assembled By ECS - Audi Volkswagen

Add 8V RS3/B9 S4 spark with these red top coil packs and RS7 spark plugs for the ultimate ignition service kit for your 1.8T/2.0T Gen3 engine! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
1 heat range colder than OE plug

Brand:
Assembled By ECS - Corporate Logo
ES#:
3691929
Mfg#:
06H905110LKT3
In Stock
ON SALE!
$242.20

This product was last offered at the strikethrough price on
04-27-2026

$235.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Upgraded Ignition Coils - Blue - Set Of Four

ES#4164383 - MS100204-4KT - APR Upgraded Ignition Coils - Blue - Set Of Four - 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 Volkswagen

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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4164383
Mfg#:
MS100204-4KT
EO#:
D-783-5
In Stock
$211.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2539447 - 06E905115EKTN - Ignition Service Kit - Includes four Original Equipment red coil packs and four NGK iridium spark plugs (BKR8EIX - One heat range colder) - Assembled By ECS - Audi Volkswagen

Includes four Original Equipment red coil packs and four NGK iridium spark plugs (BKR8EIX - One heat range colder) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Beneficial to cars with basic performance upgrades

Brand:
Assembled By ECS - Corporate Logo
ES#:
2539447
Mfg#:
06E905115EKTN
In Stock
ON SALE!
$171.12 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Iridium Pro Spark Plug - Set Of Four

ES#4616188 - z1003100-4KT - APR Iridium Pro Spark Plug - Set Of Four - An excellent upgrade for tuned engines. 14X26.5X16mm - Heat Range 9 - APR - Audi Volkswagen Porsche

An excellent upgrade for tuned engines. 14X26.5X16mm - Heat Range 9 Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4616188
Mfg#:
Z1003100-4KT
In Stock
$127.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coil Pack - Set Of Four

ES#3245923 - 06E905115Fkt - Coil Pack - Set Of Four - Dress up your engine bay and restore power with these red top coil packs - Bosch - Audi Volkswagen

Dress up your engine bay and restore power with these red top coil packs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3245923
Mfg#:
06E905115FKT
In Stock
$172.99

This product was last offered at the strikethrough price on
03-12-2026

$131.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Coils - Set Of Six

ES#4620042 - 06E905115G-6KT - Performance Ignition Coils - Set Of Six - Increased energy output over stock coil packs for a stronger and more consistent spark! - ECS - Audi

Increased energy output over stock coil packs for a stronger and more consistent spark! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4620042
Mfg#:
06E905115G-6KT
Ships in 10 Business Days
Auto Notify
ON SALE! SAVE 15%
$203.99

This product was last offered at the strikethrough price on
06-13-2026

$173.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Upgraded Ignition Coil - Red - Set of Six

ES#4376586 - MS100208-6KT - APR Upgraded Ignition Coil - 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4376586
Mfg#:
MS100208-6KT
In Stock
$221.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Upgraded Ignition Coil - Blue - Set of Four

ES#4376594 - MS100210-4KT - APR Upgraded Ignition Coil - Blue - Set of Four - 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 Volkswagen

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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4376594
Mfg#:
MS100210-4KT
In Stock
$147.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump

ES#3142504 - 06J127025J - High Pressure Fuel Pump - Fuel pump located on top of the engine - Hitachi - Audi

Fuel pump located on top of the engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hitachi - Corporate Logo
ES#:
3142504
Mfg#:
06J127025J
In Stock
$439.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Iridium Spark Plugs - Set Of Four

ES#8925 - BKR7EIX4cly - Iridium Spark Plugs - Set Of Four - Long lasting Iridium alternative to OE Platinum core plugs - NGK - Audi Volkswagen

Long lasting Iridium alternative to OE Platinum core plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
8925
Mfg#:
BKR7EIX4CLY
In Stock
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ultimate High Pressure Fuel Pump Upgrade Kit

ES#2873046 - 012570ecs01KT - Ultimate High Pressure Fuel Pump Upgrade Kit - Common fix for P2294 CEL code. New OE fuel pump with Autotech internal upgrades pre-installed and includes new cam follower with replacement hardware - Assembled By ECS - Audi Volkswagen

Common fix for P2294 CEL code. New OE fuel pump with Autotech internal upgrades pre-installed and includes new cam follower with replacement hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2873046
Mfg#:
012570ECS01KT
In Stock
$841.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Four

ES#2762373 - 06K905601BKT - Spark Plugs - Set Of Four - NGK revision of genuine plugs - Genuine Volkswagen Audi - Audi Volkswagen

NGK revision of genuine plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2762373
Mfg#:
06K905601BKT
In Stock
$54.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - Green Connector

ES#2137093 - 054905377A - Knock Sensor - Green Connector - Detects engine ping for timing adjustment - Bosch - Audi Volkswagen

Detects engine ping for timing adjustment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Please check connector color before ordering

Brand:
Bosch - Corporate Logo
ES#:
2137093
Mfg#:
054905377A
In Stock at Vendor
$43.99

This product was last offered at the strikethrough price on
01-09-2026

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brisk Silver Racing ER10S Spark Plugs - Set Of Four

ES#3691031 - er10sKT - Brisk Silver Racing ER10S Spark Plugs - Set Of Four - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - Audi Volkswagen

Featuring silver fine wire center electrode - Superior ignition ability increases engine power! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Two heat ranges colder than stock with a non-projected tip

Brand:
Brisk - Corporate Logo
ES#:
3691031
Mfg#:
ER10SKT
In Stock
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Original Equipment Fuel Pump & Follower Replacement Kit

ES#2539364 - 06F127025KKTFL - Original Equipment Fuel Pump & Follower Replacement Kit - Replacement cam follower and high pressure fuel pump commonly used as a repair for P2294 CEL code. - Assembled By ECS - Audi Volkswagen

Replacement cam follower and high pressure fuel pump commonly used as a repair for P2294 CEL code. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For later models (from VIN 8E-6-266701) with barbed style fuel line fitting and hose

Brand:
Assembled By ECS - Corporate Logo
ES#:
2539364
Mfg#:
06F127025KKTFL
Ships on Aug 24, 2026
Auto Notify
ON SALE! SAVE 54%
$545.99

This product was last offered at the strikethrough price on
01-19-2026

$253.76 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body

ES#4751379 - 06F133062T - Throttle Body - Includes the throttle sensor - Bremmen Parts - Audi Volkswagen

Includes the throttle sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4751379
Mfg#:
06F133062T
In Stock
ON SALE! SAVE 15%
$187.99

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

$159.79 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.

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