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Audi S4 Engine Electrical Parts

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ES#4030620 - CTA7994 - Ignition Coil Puller - Compact Handle - Helps remove ignition coils in tight quarters without damage or injury - CTA Tools - Audi Volkswagen Porsche

Helps remove ignition coils in tight quarters without damage or injury affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4030620
Mfg#:
CTA7994
Ships on Jun 23, 2026
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3177573 - 058905161BKT - Hall Sender Service Kit - 058905161B - Measures cam position and relays it to the ECU - Includes hardware for a complete install! - Assembled By ECS - Audi

Measures cam position and relays it to the ECU - Includes hardware for a complete install! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Includes sensor and hardware to service one bank of cylinders

Brand:
Assembled By ECS - Corporate Logo
ES#:
3177573
Mfg#:
058905161BKT
Ships in 9 Business Days
ON SALE!
$60.99

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

$59.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2636013 - 3R0959126 - A/C Pressure Safety Switch - Prevents excess pressure from building within the system - ACM - Audi

Prevents excess pressure from building within the system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ACM - Corporate Logo
ES#:
2636013
Mfg#:
3R0959126
Back Ordered
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4476332 - TI-M6X1X40-6BLK - Titanium 3.0T/2.9T Ignition Coil Hardware Kit - Set Of Six Black Titanium Washers  - Replace your pesky OEM ignition coil tiedown studs with these titanium bolts! - ECS - Audi

Replace your pesky OEM ignition coil tiedown studs with these titanium bolts! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4476332
Mfg#:
TI-M6X1X40-6BLK
Ships in 4 Business Days
ON SALE! SAVE 10%
$63.99

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

$57.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4492820 - 40-060 - Bumper 300 - Don't scratch your paint with your battery tender. - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Don't scratch your paint with your battery tender. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTEK - Corporate Logo
ES#:
4492820
Mfg#:
40-060
In Stock at Vendor
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2090863 - 058905161B - Hall Sender - Priced Each - Measures cam position and relays it to the ECU - MTC - Audi Volkswagen

Measures cam position and relays it to the ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
2090863
Mfg#:
058905161B
Ships in 9 Business Days
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4057465 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Victor Reinz - 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:
Victor Reinz - Corporate Logo
ES#:
4057465
Mfg#:
N90316802
Ships in 2 Business Days
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4135454 - 06E905376A - Green Knock Sensor With Harness - 465mm - Detects engine ping for timing adjustment, 465mm length with green connector - Facet - Audi Volkswagen

Detects engine ping for timing adjustment, 465mm length with green connector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For cylinders 1-3

Brand:
Facet - Corporate Logo
ES#:
4135454
Mfg#:
06E905376A
Back Ordered
$57.99

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

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4001233 - FGR7DQE+ - Nickel Spark Plug - Priced Each - Bosch - Audi BMW

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#:
4001233
Mfg#:
FGR7DQE+
In Stock
Limited Qty Sale
$9.99

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

$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#6482 - 06A919081J - Oil Pressure Switch - Black - Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR - Meistersatz - Audi Volkswagen

Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Meistersatz - Corporate Logo
ES#:
6482
Mfg#:
06A919081J
Ships in 1 Business Day
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3604639 - EL-LA4578 - Battery Disconnect Switch - 4 Terminal - Quickly shut down your battery in an emergency. - Rennline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Quickly shut down your battery in an emergency. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
3604639
Mfg#:
EL-LA4578
Ships in 4 Business Days
$55.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3557652 - 3R0959126 - A/C Pressure Safety Switch - Prevents excess pressure from building within the system - Original Equipment Supplier - Audi

Prevents excess pressure from building within the system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
3557652
Mfg#:
3R0959126
Back Ordered
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2972929 - 059919501AKT2 -  Coolant Temperature Sensor - Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head - Hamburg Tech - Audi Volkswagen

Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head 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#:
2972929
Mfg#:
059919501AKT2
In Stock
Limited Qty Sale
$14.27

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

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#437743 - 8E0803123C - Battery Securing Strip - Holds the battery in place and limits movement - Genuine Volkswagen Audi - Audi

Holds the battery in place and limits movement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
437743
Mfg#:
8E0803123C
Ships in 2 Business Days
12% off MSRP

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

$59.99

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

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#440760 - 8E0906272C - Leak Detection Pump Hose - Connects the leak detection pump to the filter - Genuine Volkswagen Audi - Audi

Connects the leak detection pump to the filter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
440760
Mfg#:
8E0906272C
Special Order: No Guaranteed ETA
9% off MSRP

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

$57.99

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

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2480 - 30097 - OE Voltage Regulator - Brush set that screws in the back of the alternator - Bosch - Audi

Brush set that screws in the back of the alternator 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#:
2480
Mfg#:
30097
Special Order: No Guaranteed ETA
$52.99 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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