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Audi B9 S4 Quattro 3.0T Engine Electrical Parts

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Bosch Ignition Service Kit

ES#4475329 - 06M905606F7KT - Bosch Ignition Service Kit - Includes six Bosch coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Bosch coil packs and OEM spark plugs to service your ignition system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4475329
Mfg#:
06M905606F7KT
In Stock
$575.01

This product was last offered at the strikethrough price on
02-14-2026

$367.43 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#3691949 - 06h905110lkt5KT - Ignition Service Kit - Includes six red top coil packs, OEM spark plugs, and dielectric spark plug boot protector to service your ignition! - Assembled By ECS - Audi

Includes six red top coil packs, OEM spark plugs, and dielectric spark plug boot protector to service your ignition! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3691949
Mfg#:
06H905110LKT5KT
In Stock
ON SALE!
$321.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport

ES#3673911 - B8800066 - Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport - Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673911
Mfg#:
B8800066
Ships on Sep 1, 2026
Auto Notify
ON SALE! SAVE 25%
$49.99

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

$37.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 4-Wire Oxygen Sensor - Priced Each

ES#2532224 - 15733 - Universal 4-Wire Oxygen Sensor - Priced Each - Four wire universal OBD-II Oxygen sensor - Bosch - Audi BMW Volkswagen

Four wire universal OBD-II Oxygen sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2532224
Mfg#:
15733
In Stock
$82.99

This product was last offered at the strikethrough price on
02-16-2026

$74.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Electrical Connector Kit - Housing With Pins & Wire Seals (3)

ES#4460500 - 3D0973703-KIT - Electrical Connector Kit - Housing With Pins & Wire Seals (3) - Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. - ECS - Audi Volkswagen

Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. 10X Entries For Our 25th Anniversary Sweepstakes!
Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM

Brand:
ECS - Corporate Logo
ES#:
4460500
Mfg#:
3D0973703-KIT
In Stock
ON SALE! SAVE 25%
$24.99

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

$18.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RacingLine Higher Output Ignition Coil - Red - Priced Each

ES#4708244 - VWR900001 - RacingLine Higher Output Ignition Coil - Red - Priced Each - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi Volkswagen

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#:
4708244
Mfg#:
VWR900001
Ships in 1 Business Day
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost X UltraSafe Lithium 4250 Amp Jump Starter - NOCO

ES#4389659 - GBX155 - Boost X UltraSafe Lithium 4250 Amp Jump Starter - NOCO - X for Extreme - Boost X is the next generation in jump packs with an all-new design and more powerful jump starts. This 12V battery jumper will jump gas vehicles up to 10.0L and diesel engines up to 8.0L. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

X for Extreme - Boost X is the next generation in jump packs with an all-new design and more powerful jump starts. This 12V battery jumper will jump gas vehicles up to 10.0L and diesel engines up to 8.0L.

Brand:
NOCO - Corporate Logo
ES#:
4389659
Mfg#:
GBX155
Ships in 1 Business Day
16% off MSRP

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

$439.99

This product was last offered at the strikethrough price on
07-20-2026

$369.99 USD
Free Shipping
on orders $49 and up

Silver Racing 2MOER10S Spark Plugs - Priced Each

ES#4715004 - 2M0ER10S - Silver Racing 2MOER10S Spark Plugs - Priced Each - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - Audi Porsche

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#:
4715004
Mfg#:
2M0ER10S
In Stock
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electrical Connector Kit - Housing With Pins & Wire Seals (2)

ES#4460501 - 8K0973702-KIT - Electrical Connector Kit - Housing With Pins & Wire Seals (2) - Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. - ECS - Audi Volkswagen

Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. 10X Entries For Our 25th Anniversary Sweepstakes!
Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM

Brand:
ECS - Corporate Logo
ES#:
4460501
Mfg#:
8K0973702-KIT
In Stock
ON SALE! SAVE 25%
$24.99

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

$18.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Professional VW/Audi Scan Tool with Digital Circuit Tester

ES#4759951 - 007868SCH01B02KT - Professional VW/Audi Scan Tool with Digital Circuit Tester - Developed for VW/Audi vehicles. Has many OE-level diagnostics including EPB, Airbag, ABS, A/T, Instrument cluster, Oil service reset and more. Includes a Circuit Tester! - Enthusiast Bundles - Audi Volkswagen

Developed for VW/Audi vehicles. Has many OE-level diagnostics including EPB, Airbag, ABS, A/T, Instrument cluster, Oil service reset and more. Includes a Circuit Tester! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4759951
Mfg#:
007868SCH01B02KT
Ships on Jan 12, 2027
$228.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4475295 - 06M905606F2KT - Performance Ignition Service Kit - Includes six Blue APR coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Blue APR coil packs and OEM spark plugs to service your ignition system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4475295
Mfg#:
06M905606F2KT
In Stock
$409.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RacingLine Higher Output Ignition Coil - Blue - Priced Each

ES#4708243 - VWR900000 - RacingLine Higher Output Ignition Coil - Blue - Priced Each - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi Volkswagen

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#:
4708243
Mfg#:
VWR900000
In Stock
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

340lph High Flow In-Tank Fuel Pump

ES#3604757 - 50-1000 - 340lph High Flow In-Tank Fuel Pump - AEM?s 340LPH High Flow In-Tank Fuel Pump is designed for high performance naturally aspirated and forced induction EFI vehicles. - AEM Electronics - Audi Volkswagen

AEM?s 340LPH High Flow In-Tank Fuel Pump is designed for high performance naturally aspirated and forced induction EFI vehicles. This is a general-use high flow fuel pump, not a direct plug-and-play swap in most applications

Brand:
AEM Electronics - Corporate Logo
ES#:
3604757
Mfg#:
50-1000
Ships in 1 Business Day
11% off MSRP

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

$132.99

This product was last offered at the strikethrough price on
07-20-2026

$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Tool - 22mm

ES#3673912 - B8800067 - Oxygen Sensor Tool - 22mm - 1/2" Drive - 7/8" x 6" - Extra Long - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

1/2" Drive - 7/8" x 6" - Extra Long 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673912
Mfg#:
B8800067
Ships on Sep 1, 2026
Auto Notify
ON SALE! SAVE 20%
$29.99

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

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor

ES#4172140 - 06H906052B - MAP Sensor - Replace your faulty sensor to restore engine performance and fuel economy - Genuine Volkswagen Audi - Audi Volkswagen

Replace your faulty sensor to restore engine performance and fuel economy For vehicles with production dates from 09/12/2022

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4172140
Mfg#:
06H906052B
Ships in 4 Business Days
11% off MSRP

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

$61.99

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

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GENIUS 6V / 12V 10 Amp Battery Charger - NOCO

ES#4031180 - GENIUS10 - GENIUS 6V / 12V 10 Amp Battery Charger - NOCO - The GENIUS10 is similar to the G7200, just better. It's 17% smaller and delivers 115% more power. And it's simpler and easier to use than ever before. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The GENIUS10 is similar to the G7200, just better. It's 17% smaller and delivers 115% more power. And it's simpler and easier to use than ever before.

Brand:
NOCO - Corporate Logo
ES#:
4031180
Mfg#:
GENIUS10
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.

$124.95

This product was last offered at the strikethrough price on
07-20-2026

$99.94 USD
Free Shipping
on orders $49 and up

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.

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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