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Audi S4 Engine Ignition Parts

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Spark Plugs - Set Of Six

ES#2580761 - 7402KT - Spark Plugs - Set Of Six - Keep your engine running strong - Bosch - Audi

Keep your engine running strong 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#:
2580761
Mfg#:
7402KT
In Stock
$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Control Unit - Priced Each

ES#4142135 - 4A0905351A - Ignition Control Unit - Priced Each - Cure misfires and clear the check engine light - Hitachi - Audi

Cure misfires and clear the check engine light affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Beru unit that is mounted on right firewall, there is two per car

Brand:
Hitachi - Corporate Logo
ES#:
4142135
Mfg#:
4A0905351A
In Stock at Vendor
$148.99

This product was last offered at the strikethrough price on
05-07-2026

$144.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#3411465 - 058905105 - Ignition Coil - Priced Each - Includes the spark plug boot - URO - Audi Volkswagen

Includes the spark plug boot affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3411465
Mfg#:
058905105
Ships in 1 Business Day
$24.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coil Conversion & ICM Delete Kit - 2.7T to 2.0T FSI Coils

ES#2864555 - 034-107-7000-BLK - Coil Conversion & ICM Delete Kit - 2.7T to 2.0T FSI Coils - Tired of swapping ICMs and coils around trying to figure out the source of pesky misfires? - 034Motorsport - Audi

Tired of swapping ICMs and coils around trying to figure out the source of pesky misfires? affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Does not include coil packs. This conversion kit is to be used with 06B905115E ignition coils*

Brand:
034Motorsport - Corporate Logo
ES#:
2864555
Mfg#:
034-107-7000-BLK
Back Ordered
$426.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Six

ES#4768525 - 06M905606FAKT - Spark Plugs - Set Of Six - Keep your engine running strong - Assembled By ECS - Audi

Keep your engine running strong 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#:
4768525
Mfg#:
06M905606FAKT
In Stock
ON SALE! SAVE 20%
$174.00

This product was last offered at the strikethrough price on
01-27-2026

$139.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#8038 - 058998106 - Ignition Service Kit - Includes six Beru coil packs and NGK spark plugs to service your ignition - Assembled By ECS - Audi

Includes six Beru coil packs and NGK 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#:
8038
Mfg#:
058998106
Ships in 1 Business Day
$436.99

This product was last offered at the strikethrough price on
04-03-2026

$405.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Control Unit - Priced Each

ES#2795802 - 4A0905351A - Ignition Control Unit - Priced Each - Cure misfires and clear the check engine light - Hamburg Tech - Audi

Cure misfires and clear the check engine light affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2795802
Mfg#:
4A0905351A
Ships in 1 Business Day
$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coil Pack Seal - Priced Each

ES#2966564 - 058905261A - Coil Pack Seal - Priced Each - For use with "bolt down" style coil packs only - Elring - Audi Volkswagen

For use with "bolt down" style coil packs only affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2966564
Mfg#:
058905261A
In Stock
$3.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stainless Steel 3.0T/2.9T Ignition Coil Hardware Kit

ES#4475743 - 97646A327-6KT - Stainless Steel 3.0T/2.9T Ignition Coil Hardware Kit - Upgraded stainless steel tie down bolts and washers. - ECS - Audi

Upgraded stainless steel tie down bolts and washers. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4475743
Mfg#:
97646A327-6KT
In Stock
ON SALE! SAVE 20%
$25.99

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

$20.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2500528 - 5304058905105KIT - Ignition Service Kit - Includes six Beru coil packs and Denso spark plugs to service your ignition - Assembled By ECS - Audi

Includes six Beru coil packs and Denso 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#:
2500528
Mfg#:
5304058905105KIT
Ships in 1-2 days
$384.99

This product was last offered at the strikethrough price on
04-09-2026

$346.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4475298 - 06M905606F4KT - Performance Ignition Service Kit - Includes six Red CTS coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Red CTS 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#:
4475298
Mfg#:
06M905606F4KT
Ships in 4 Business Days
$331.43 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RacingLine Higher Output Ignition Coils - Grey - Set Of Six

ES#4708324 - VWR900002-6KT - RacingLine Higher Output Ignition Coils - Grey - 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4708324
Mfg#:
VWR900002-6KT
Ships on Jul 28, 2026
Auto Notify
$330.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Coil Pack Hold-Down Bracket Kit

ES#4147794 - 034-107-Z032 - 034Motorsport Coil Pack Hold-Down Bracket Kit - Keep your upgraded 2.0T style coil packs cool and seated with the 034Motorsport Coil Pack Hold-Down Bracket Kit for Audi B5 S4/RS4 & C5 A6/Allroad 2.7T vehicles! - 034Motorsport - Audi

Keep your upgraded 2.0T style coil packs cool and seated with the 034Motorsport Coil Pack Hold-Down Bracket Kit for Audi B5 S4/RS4 & C5 A6/Allroad 2.7T vehicles! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Does not include Conversion harness or 2.0T Coil Packs - This product will not work with 2.7T plastic valve covers.*

Brand:
034Motorsport - Corporate Logo
ES#:
4147794
Mfg#:
034-107-Z032
Ships in 2 Business Days
$329.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coils - Set Of Six

ES#2500531 - 058905105 - Ignition Coils - Set Of Six - A common cure for misfire codes - Genuine Volkswagen Audi - Audi

A common cure for misfire codes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2500531
Mfg#:
058905105
Ships in 1 Business Day
$331.99

This product was last offered at the strikethrough price on
04-09-2026

$292.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

9-Wire Spark Plug Gap Gauge

ES#4336975 - CTA3238 - 9-Wire Spark Plug Gap Gauge - Always check gap on your new spark plugs - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Always check gap on your new spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4336975
Mfg#:
CTA3238
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rennline OE+ Upgraded Ignition Coil - Priced Each

ES#4940158 - M127 - Rennline OE+ Upgraded Ignition Coil - Priced Each - Regain power loss & fuel economy from worn or failed ignition coils! - Rennline - Audi Volkswagen

Regain power loss & fuel economy from worn or failed ignition coils! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
4940158
Mfg#:
M127
Ships in 5 Business Days
$45.00 USD
Free Shipping
on orders $49 and up

More About Engine Ignition Parts

Modern high-tech ignitions are complex, computer-controlled systems that deliver spark to the cylinders with amazing efficiency and split-second timing, but they don't last forever. That's why ECS Tuning stocks ignition modules, ignition coils, ignition wiring, and spark plugs. Look to us for OEM and aftermarket ignition parts to keep your engine running strong.

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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