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Audi S4 Engine Electrical Parts

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Ignition Coil - Priced Each

ES#2748468 - 06E905115E - Ignition Coil - Priced Each - Keep your engine running smooth - NFIS Original Equipment - Audi Volkswagen

Keep your engine running smooth affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NFIS Original Equipment - Corporate Logo
ES#:
2748468
Mfg#:
06E905115E
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Upgraded Ignition Coil - Red - Priced Each

ES#4030590 - MS100192 - APR Upgraded Ignition Coil - Red - Priced Each - 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 Porsche

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#:
4030590
Mfg#:
MS100192
EO#:
D-783-5
In Stock
12% off MSRP

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

$57.95

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

$51.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4620046 - 06E905115GKT17 - Performance Ignition Service Kit - Includes six ECS Performance red coil packs and six NGK Iridium spark plugs - Assembled By ECS - Audi

Includes six ECS Performance red coil packs and six NGK Iridium spark plugs 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#:
4620046
Mfg#:
06E905115GKT17
Ships on Aug 4, 2026
Auto Notify
ON SALE! SAVE 15%
$250.99

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

$213.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Upgraded Ignition Coil - Red - Priced Each

ES#4376580 - MS100208 - APR Upgraded Ignition Coil - Red - Priced Each - 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 Porsche

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#:
4376580
Mfg#:
MS100208
In Stock
11% off MSRP

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

$40.30

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

$35.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Gen 3 Red Performance Ignition Coil - Priced Each

ES#4630028 - 002540LCA01 - ECS Gen 3 Red Performance Ignition Coil - Priced Each - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - ECS - 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4630028
Mfg#:
002540LCA01
In Stock
ON SALE! SAVE 15%
$45.99

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

$39.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4475350 - 101905631G1KT - Performance Ignition Service Kit - Includes six Red APR coil packs and spark plugs to service your ignition - Assembled By ECS - Audi

Includes six Red APR coil packs and spark plugs to service your ignition 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#:
4475350
Mfg#:
101905631G1KT
In Stock
$297.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Coil - Priced Each

ES#4349456 - 06E905115G - Performance Ignition Coil - Priced Each - Increased energy output over stock coil packs for a stronger and more consistent spark! - ECS - Audi Volkswagen
ECS Tuning recommends this product.

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#:
4349456
Mfg#:
06E905115G
Ships on Aug 4, 2026
Auto Notify
ON SALE! SAVE 20%
$32.99

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

$26.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Ignition Service Kit

ES#4686058 - 002540LCA07KT - ECS Performance Ignition Service Kit - Includes six Red ECS coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Red ECS coil packs and OEM spark plugs to service your ignition system 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#:
4686058
Mfg#:
002540LCA07KT
In Stock
ON SALE! SAVE 14%
$361.99

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

$312.32 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump

ES#3419174 - 07L127026AK - High Pressure Fuel Pump - Located on the left cylinder head - Hitachi - Audi Volkswagen

Located on the left cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hitachi - Corporate Logo
ES#:
3419174
Mfg#:
07L127026AK
In Stock at Vendor
$851.99

This product was last offered at the strikethrough price on
04-30-2026

$717.99 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 on Aug 4, 2026
Auto Notify
ON SALE! SAVE 20%
$197.99

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

$158.35 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
$214.92 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE 3.0T High Pressure Fuel Pump (HPFP) Upgrade

ES#4040277 - IEFUVJ1 - IE 3.0T High Pressure Fuel Pump (HPFP) Upgrade - The IE HPFP Upgrade is the missing link to provide enough fuel for dual pulley setups attempting big power on higher octane fuels. - Integrated Engineering - Audi

The IE HPFP Upgrade is the missing link to provide enough fuel for dual pulley setups attempting big power on higher octane fuels. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4040277
Mfg#:
IEFUVJ1
In Stock
$1049.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Iridium Pro Spark Plugs With Ignition Coils - Set Of 6

ES#4905912 - Z1004081W6ICKT - APR Iridium Pro Spark Plugs With Ignition Coils - Set Of 6 - Unleash Your Engine's Potential with APR - APR - Audi Porsche

Unleash Your Engine's Potential with APR 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#:
4905912
Mfg#:
Z1004081W6ICKT
In Stock
$460.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BKR9EIX Spark Plugs - Set Of Six

ES#3991431 - bkr9eixKT - BKR9EIX Spark Plugs - Set Of Six - 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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#:
3991431
Mfg#:
BKR9EIXKT
In Stock
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#3245922 - 06E905115F - Ignition Coil - Priced Each - Get rid of that nasty misfire. Features a Red colored top - Bosch - Audi Volkswagen

Get rid of that nasty misfire. Features a Red colored top affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3245922
Mfg#:
06E905115F
In Stock
$43.99

This product was last offered at the strikethrough price on
03-11-2026

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport High Output Ignition Coils - Red - Set Of Six

ES#4620397 - 0341072012RED-6 - 034Motorsport High Output Ignition Coils - Red - Set Of Six - Plug-and-play upgraded coil pack featuring a CNC-machined heat sink for better heat dissipation - 034Motorsport - Audi Porsche

Plug-and-play upgraded coil pack featuring a CNC-machined heat sink for better heat dissipation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4620397
Mfg#:
0341072012RED-6
In Stock
$384.00 USD
Free Shipping
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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