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Audi S4 Engine Electrical Parts

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ES#4164385 - MS100204-6KT - APR Upgraded Ignition Coils - Blue - 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!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4164385
Mfg#:
MS100204-6KT
EO#:
D-783-5
In Stock
$307.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3468843 - 079911022 - Starter - New - Don't let your vehicle sit with a faulty starter. Brand new starter motor assembly - Valeo - Audi

Don't let your vehicle sit with a faulty starter. Brand new starter motor assembly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with Valeo style starters

Brand:
Valeo - Corporate Logo
ES#:
3468843
Mfg#:
079911022
Ships on Nov 27, 2026
$305.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4820925 - 07L127026ALKT - High Pressure Fuel Pump Kit  - Includes HPFP, Fuel Pump Cam Follower, and Hardware - Genuine Volkswagen Audi - Audi Volkswagen

Includes HPFP, Fuel Pump Cam Follower, and Hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4820925
Mfg#:
07L127026ALKT
Ships in 2 Business Days
$906.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4346392 - GENIUSPRO50 - GENIUS PRO 12V / 24V 50 Amp Battery Charger - NOCO - Similar to the G26000, just more powerful. With the greatest performance and functionality yet, it's a world-class battery charger to let professionals push the limits at incredible charging speeds. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Similar to the G26000, just more powerful. With the greatest performance and functionality yet, it's a world-class battery charger to let professionals push the limits at incredible charging speeds. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4346392
Mfg#:
GENIUSPRO50
Ships in 8 Business Days
20% off MSRP

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

$1125.99

This product was last offered at the strikethrough price on
06-07-2026

$899.99 USD
Free Shipping
on orders $49 and up
ES#3984701 - GB40 - Boost Plus UltraSafe Lithium 1000 Amp Jump Starter - NOCO - This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 6.0L engine or less and diesel vehicles up to 3.0L, up to 20 times on a single charge. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 6.0L engine or less and diesel vehicles up to 3.0L, up to 20 times on a single charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
3984701
Mfg#:
GB40
In Stock
20% off MSRP

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

$124.99

This product was last offered at the strikethrough price on
06-07-2026

$99.99 USD
Free Shipping
on orders $49 and up

4X more spark energy than stock coils! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Ignition Projects - Corporate Logo
ES#:
4389435
Mfg#:
IP-A121601
Ships in 5 Business Days
$895.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2532304 - 077905115TKT2 - Ignition Service Kit  - Includes eight red genuine coil packs and spark plugs - Genuine Volkswagen Audi - Audi

Includes eight red genuine coil packs and spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2532304
Mfg#:
077905115TKT2
Ships in 1 day
ON SALE!
$926.99

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

$883.97 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#281065 - 06E971822D - Ignition Coil Wiring Cover - Right - Wire cover for ignition coil wires 1-3 - Genuine Volkswagen Audi - Audi

Wire cover for ignition coil wires 1-3 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281065
Mfg#:
06E971822D
Ships in 2 Business Days
7% off MSRP

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

$44.99

This product was last offered at the strikethrough price on
06-07-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

non-projection tip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Brisk - Corporate Logo
ES#:
5374733
Mfg#:
2M0ER08IR
Ships in 3 Business Days
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#8037 - 058998105 - Ignition Coils - Set Of Six - A common cure for misfire codes - Beru - Audi

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

Brand:
Beru - Corporate Logo
ES#:
8037
Mfg#:
058998105
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
ES#264172 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Genuine Volkswagen Audi - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
264172
Mfg#:
N90316802
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2084810 - 06E971821F - Ignition Coil Wiring Cover - Left - Wire cover for ignition coil wires 4-6 - Genuine Volkswagen Audi - Audi

Wire cover for ignition coil wires 4-6 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2084810
Mfg#:
06E971821F
Ships in 1 day
8% off MSRP

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

$50.00

This product was last offered at the strikethrough price on
06-07-2026

$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2532305 - BKR6EQUAKT - Ignition Service Kit - Includes eight red genuine coil packs and eight NGK spark plugs - Assembled By ECS - Audi

Includes eight red genuine coil packs and eight NGK 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#:
2532305
Mfg#:
BKR6EQUAKT
Ships in 2 Business Days
$871.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#7688 - 17053 - Front Oxygen Sensor - Priced Each - Restore fuel mileage and clear codes - Bosch - Audi Volkswagen

Restore fuel mileage and clear codes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits left and right position

Brand:
Bosch - Corporate Logo
ES#:
7688
Mfg#:
17053
In Stock at Vendor
$281.99

This product was last offered at the strikethrough price on
02-21-2026

$217.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4858306 - 034-108-1911 - SuperDuper Adapter - Purchase this kit if you need an additional adapter to send out to have port matched to your supercharger or if you need a replacement. - 034Motorsport - Audi

Purchase this kit if you need an additional adapter to send out to have port matched to your supercharger or if you need a replacement. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858306
Mfg#:
034-108-1911
In Stock
$216.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2636931 - 079906283B - Solenoid Valve (N249) - Controls actuation of the EGR or 'combi' valve - Pierburg - Audi

Controls actuation of the EGR or 'combi' valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
2636931
Mfg#:
079906283B
In Stock at Vendor
$107.99

This product was last offered at the strikethrough price on
03-21-2026

$95.99 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

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Manufacturer names and/or part numbers are used only for identification purposes.

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