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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Engine Electrical Parts

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GENIUS 6V / 12V 2 Amp Battery Charger - NOCO

ES#4031173 - GENIUS2 - GENIUS 6V / 12V 2 Amp Battery Charger - NOCO - The GENIUS2 is similar to the G1100, just better. It's 30% smaller and delivers 140% more power. And it's simpler and easier to use than ever before. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The GENIUS2 is similar to the G1100, just better. It's 30% smaller and delivers 140% more power. And it's simpler and easier to use than ever before.

Brand:
NOCO - Corporate Logo
ES#:
4031173
Mfg#:
GENIUS2
In Stock
23% off MSRP

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

$64.95

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

$49.94 USD
Free Shipping
on orders $49 and up

Battery Clamp Grease - 50 grams

ES#3514231 - 20244 - Battery Clamp Grease - 50 grams - Excellent corrosion protection for your battery and other connections - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Excellent corrosion protection for your battery and other connections 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514231
Mfg#:
20244
In Stock
ON SALE! SAVE 30%
$7.13

This product was last offered at the strikethrough price on
03-15-2026

$4.99 USD
Free Shipping
on orders $49 and up

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.

Brand:
Racingline - Corporate Logo
ES#:
4708324
Mfg#:
VWR900002-6KT
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$330.99

This product was last offered at the strikethrough price on
08-29-2026

$297.43 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

TTE 4 Bar MAP Sensors - EA839 3.0T

ES#4658273 - TTE10434 - TTE 4 Bar MAP Sensors - EA839 3.0T - Plug directly into the OEM harness and are a direct drop-in replacement. - The Turbo Engineers - Audi

Plug directly into the OEM harness and are a direct drop-in replacement.

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4658273
Mfg#:
TTE10434
Ships on Sep 23, 2026
$285.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor Kit

ES#4818213 - 06m907601gKT - Camshaft Position Sensor Kit - Also referred to as the impulse sender - Genuine Volkswagen Audi - Audi

Also referred to as the impulse sender

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4818213
Mfg#:
06M907601GKT
Ships in 1-2 days
$138.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Oxygen Sensor - Rear

ES#3607764 - 8W0906265AJ - Oxygen Sensor - Rear - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

Keep your engine running efficiently

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3607764
Mfg#:
8W0906265AJ
Ships in 2 Business Days
10% off MSRP

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

$303.99

This product was last offered at the strikethrough price on
08-31-2026

$273.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

ES#4460523 - 3B0973703G-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 Into Our F80 M3 Sweepstakes
Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM

Brand:
ECS - Corporate Logo
ES#:
4460523
Mfg#:
3B0973703G-KIT
In Stock
ON SALE! SAVE 88%
$25.99

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

$3.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Flow Fuel Pump - 270 LPH

ES#2730417 - 0580254044 - High Flow Fuel Pump - 270 LPH - Great for when more fuel is needed in a custom fueling application - URO - Audi Volkswagen Porsche

Great for when more fuel is needed in a custom fueling application 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2730417
Mfg#:
0580254044
Ships in 1 Business Day
$155.99

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

$130.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Titan 96-Piece ATO Blade Fuse Assortment

ES#2950498 - TTN45227 - Titan 96-Piece ATO Blade Fuse Assortment - Convenient re-sealable plastic case - Titan - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Convenient re-sealable plastic case

Brand:
Titan - Corporate Logo
ES#:
2950498
Mfg#:
TTN45227
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS High Performance Ignition Coil - Red - Set of Six

ES#4475371 - CTS-IGN-007-6KT - CTS High Performance Ignition Coil - Red - Set of Six - These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at its peak performance. - CTS - Audi

These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at it’s peak performance.

Brand:
CTS - Corporate Logo
ES#:
4475371
Mfg#:
CTS-IGN-007-6KT
In Stock
$239.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTEK Comfort Connect Extension Cable

Length: 8.2 ft

Brand:
CTEK - Corporate Logo
ES#:
4492941
Mfg#:
56-304
In Stock at Vendor
$28.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Scorcher High-Performance Ignition Coil - Priced Each

ES#4810282 - 77-92005 - Scorcher High-Performance Ignition Coil - Priced Each - Experience up to 20% more spark energy compared to your factory coils. - AFE - Audi Volkswagen

Experience up to 20% more spark energy compared to your factory coils.

Brand:
AFE - Corporate Logo
ES#:
4810282
Mfg#:
77-92005
Ships in 3 Business Days
ON SALE!
$58.00

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

$55.10 USD
Free Shipping
on orders $49 and up

GENIUS 6V / 12V 5 Amp Battery Charger - NOCO

ES#4031177 - GENIUS5 - GENIUS 6V / 12V 5 Amp Battery Charger - NOCO - Meet the GENIUS5 - Similar to the G3500, just better. It's 34% smaller and delivers 65% more power. And it's simpler and easier to use than ever before. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Meet the GENIUS5 - Similar to the G3500, just better. It's 34% smaller and delivers 65% more power. And it's simpler and easier to use than ever before.

Brand:
NOCO - Corporate Logo
ES#:
4031177
Mfg#:
GENIUS5
Ships in 8 Business Days
22% off MSRP

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

$89.99

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

$69.99 USD
Free Shipping
on orders $49 and up

GENIUS 4 Bank 6V / 12V 8 Amp Battery Charger - NOCO

ES#4364629 - GENIUS2X4 - GENIUS 4 Bank 6V / 12V 8 Amp Battery Charger - NOCO - Similar to the G4, just better. It's 40% smaller and delivers 140% more power. It's the all-in-one 4-bank solution - battery charger, battery maintainer, trickle charger, plus battery desulfator. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Similar to the G4, just better. It's 40% smaller and delivers 140% more power. It's the all-in-one 4-bank solution - battery charger, battery maintainer, trickle charger, plus battery desulfator.

Brand:
NOCO - Corporate Logo
ES#:
4364629
Mfg#:
GENIUS2X4
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.

$249.99

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

$199.99 USD
Free Shipping
on orders $49 and up

Boost HD UltraSafe Lithium 2000 Amp Jump Starter - NOCO

ES#4055329 - NOCGB70 - Boost HD UltraSafe Lithium 2000 Amp Jump Starter - NOCO - This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 8.0L engine or less and diesel vehicles up to 6.0L, up to 40 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 8.0L engine or less and diesel vehicles up to 6.0L, up to 40 times on a single charge.

Brand:
NOCO - Corporate Logo
ES#:
4055329
Mfg#:
NOCGB70
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.

$249.99

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

$199.99 USD
Free Shipping
on orders $49 and up

Coolant Temperature Sensor - 2 Pin

Monitors coolant temperature for fan control & gauge readings

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
4690990
Mfg#:
06M919501
In Stock
ON SALE! SAVE 13%
$45.99

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

$39.99 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.

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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