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Audi S4 Engine Electrical Parts

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High Pressure Fuel Pump O-Ring

ES#5340859 - 03C127311 - High Pressure Fuel Pump O-Ring - Seals the high pressure fuel pump to the cylinder head. 31x2mm - Elring - Audi Volkswagen

Seals the high pressure fuel pump to the cylinder head. 31x2mm 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5340859
Mfg#:
03C127311
Ships on Aug 13, 2026
Auto Notify
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Tie Wrap With Socket - 4.6x160mm

ES#318941 - 1K0971818 - Tie Wrap With Socket - 4.6x160mm - For 6.5mm holes with 0.6-1.8mm sheet metal thickness - Genuine Volkswagen Audi - Audi Volkswagen

For 6.5mm holes with 0.6-1.8mm sheet metal thickness

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
318941
Mfg#:
1K0971818
In Stock
8% off MSRP

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

$1.08

This product was last offered at the strikethrough price on
07-22-2026

$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Assembly

ES#5340860 - 06E133062H - Throttle Body Assembly - Includes the throttle position sensor - Bremmen Parts - Audi Volkswagen

Includes the throttle position sensor 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5340860
Mfg#:
06E133062H
In Stock
ON SALE! SAVE 20%
$285.99

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

$228.47 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 - Red Titanium Washers

ES#4475745 - 97646A327-6RD - Stainless Steel 3.0T/2.9T Ignition Coil Hardware Kit - Red Titanium Washers - Upgraded stainless steel tie down bolts and red titanium ZSPEC washers! - ECS - Audi

Upgraded stainless steel tie down bolts and red titanium ZSPEC washers! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4475745
Mfg#:
97646A327-6RD
In Stock
ON SALE!
$35.99

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

$34.91 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump & Gasket Kit

Does not include fuel gauge sender 10X Entries For Our 25th Anniversary Sweepstakes!
Up to VIN 8E-6-265 830 - Split is in the 2006 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
5457657
Mfg#:
8E0906087RKT
In Stock
$355.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Pressure Safety Switch

Prevents excess pressure from building within the system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5341463
Mfg#:
3R0959126
In Stock
ON SALE! SAVE 11%
$37.99

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

$33.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTEK D250SE

With award-winning Swedish technology, the dual input D250SE allows you to enjoy your vehicle more

Brand:
CTEK - Corporate Logo
ES#:
4492942
Mfg#:
40-315
In Stock
Limited Qty Sale
$569.99

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

$515.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Scorcher High-Performance Ignition Coil - Set Of Six

ES#4810284 - 77-92005-MC - Scorcher High-Performance Ignition Coil - Set Of Six - Experience up to 20% more spark energy compared to your factory coils. - AFE - Audi

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

Brand:
AFE - Corporate Logo
ES#:
4810284
Mfg#:
77-92005-MC
Ships in 3 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.

$372.99

This product was last offered at the strikethrough price on
01-28-2026

$298.00 USD
Free Shipping
on orders $49 and up

Crankshaft Position Sensor

ES#3190125 - 907-764 - Crankshaft Position Sensor - Also known as the RPM or speed sensor - Dorman - Audi Volkswagen

Also known as the RPM or speed sensor Manual transmission models

Brand:
Dorman - Corporate Logo
ES#:
3190125
Mfg#:
907-764
Ships in 4 Business Days
$76.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2539017 - 058905105 - Ignition Service Kit - Includes six coil packs and spark plugs to service your ignition - Genuine Volkswagen Audi - Audi

Includes six coil packs and spark plugs to service your ignition

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2539017
Mfg#:
058905105
Ships in 1 Business Day
$449.99

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

$417.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft/Camshaft Position Sensor

ES#5470128 - 057906433B - Crankshaft/Camshaft Position Sensor - Also referred to as the impulse sender - Hamburg Tech - Audi

Also referred to as the impulse sender

Brand:
Hamburg Tech - Corporate Logo
ES#:
5470128
Mfg#:
057906433B
Ships in 1 Business Day
$69.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Control Unit - Priced Each

ES#3521177 - 4A0905351A - Ignition Control Unit - Priced Each - Cure misfires and clear the check engine light - Holstein - Audi

Cure misfires and clear the check engine light

Brand:
Holstein - Corporate Logo
ES#:
3521177
Mfg#:
4A0905351A
Ships in 1 Business Day
$149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor

ES#3520829 - 03C906051 - MAP Sensor - Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold - Holstein - Audi Volkswagen

Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold Located on the rear of the supercharger

Brand:
Holstein - Corporate Logo
ES#:
3520829
Mfg#:
03C906051
Ships in 1 Business Day
$30.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#3521742 - 078906433F - Crankshaft Position Sensor - Also know as the RPM Reference sensor or Impulse Sender - Holstein - Audi

Also know as the RPM Reference sensor or Impulse Sender Automatic transmission models

Brand:
Holstein - Corporate Logo
ES#:
3521742
Mfg#:
078906433F
Ships in 1 Business Day
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor

ES#5491651 - 03C906051F - MAP Sensor - Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold - URO - Audi Volkswagen

Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold 2X Entries For Our 25th Anniversary Sweepstakes!
Located on the rear of the supercharger

Brand:
URO - Corporate Logo
ES#:
5491651
Mfg#:
03C906051F
Ships in 1 Business Day
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Impulse Sensor - Priced Each

ES#2894889 - 06E905163 - Camshaft Impulse Sensor - Priced Each - Keep your engine running strong - Vemo - Audi

Keep your engine running strong Left side cam position sensor

Brand:
Vemo - Corporate Logo
ES#:
2894889
Mfg#:
06E905163
In Stock at Vendor
$56.99

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

$54.99 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

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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