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Audi C5 S6 Quattro 4.2

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Audi C5 S6 Quattro 4.2 Engine Electrical Parts

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Sensor Retaining Clip - Priced Each

ES#2865558 - 025121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Febi - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865558
Mfg#:
025121142
Ships on Oct 20, 2026
Auto Notify
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hi/Low Volt Circuit Tester

ES#4336943 - CTA3022 - Hi/Low Volt Circuit Tester - Tests high voltage in spark plugs, plug wires and distributor caps - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Tests high voltage in spark plugs, plug wires and distributor caps

Brand:
CTA Tools - Corporate Logo
ES#:
4336943
Mfg#:
CTA3022
Ships on Aug 11, 2026
$7.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#2586934 - 032121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Rein - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2586934
Mfg#:
032121142
Ships in 1-2 days
$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Harness Bracket

ES#370803 - 4B0971845 - Harness Bracket - Secure the harness in your engine bay - Genuine Volkswagen Audi - Audi

Secure the harness in your engine bay

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
370803
Mfg#:
4B0971845
Ships in 8 Business Days
8% off MSRP

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

$12.99

This product was last offered at the strikethrough price on
07-24-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Starter Gasket

ES#284401 - 079103565 - Starter Gasket - Used between the starter and the transmission. - Genuine Volkswagen Audi - Audi

Used between the starter and the transmission.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284401
Mfg#:
079103565
Special Order: No Guaranteed ETA
14% off MSRP

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

$13.99

This product was last offered at the strikethrough price on
06-04-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

In-Tank Fuel Pump Gasket

Located between the retaining ring and fuel tank

Brand:
German - Corporate Logo
ES#:
4145074
Mfg#:
1J0919133B
Back Ordered
$12.99

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

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECU Retainer

ES#440791 - 8E0907354 - ECU Retainer - Holds the engine control unit in place - Genuine Volkswagen Audi - Audi Volkswagen

Holds the engine control unit in place

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
440791
Mfg#:
8E0907354
Ships in 2 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BOLT

ES#1299730 - N01023823 - BOLT - Genuine Volkswagen Audi - Audi

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1299730
Mfg#:
N01023823
Ships in 5 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Terminal Nut (+/-) - Priced Each

ES#465888 - N0111165 - Battery Terminal Nut (+/-) - Priced Each - Used to secure the positive/negative battery clamp to the terminal - Genuine Volkswagen Audi - Audi

Used to secure the positive/negative battery clamp to the terminal

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465888
Mfg#:
N0111165
Ships in 1-2 days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wire With Terminals For 90 Degree 6 Pin Bulkhead - Green

ES#4882992 - 201-0361-GRN - Wire With Terminals For 90 Degree 6 Pin Bulkhead - Green - Purchase the wires you need for your electrical bulkhead fitting here. Featuring FEP wire pre-cut to 24" 18 Gauge wire with the appropriate terminal pre-crimped and ready to install! - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz

Purchase the wires you need for your electrical bulkhead fitting here. Featuring FEP wire pre-cut to 24" 18 Gauge wire with the appropriate terminal pre-crimped and ready to install!

Brand:
Precision Raceworks - Corporate Logo
ES#:
4882992
Mfg#:
201-0361-GRN
Ships in 9 Business Days
$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
07-24-2026

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

ECS Performance Ignition Coils - Set Of Eight

ES#5338626 - 056059LA08-8KT - ECS Performance Ignition Coils - Set Of Eight - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - ECS - Audi

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! 10X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles with Engine Code BBD (Bolt-In Style Ignition Coils)

Brand:
ECS - Corporate Logo
ES#:
5338626
Mfg#:
056059LA08-8KT
In Stock
ON SALE! SAVE 15%
$287.99

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

$244.73 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#2528661 - 06B905115E - Ignition Coil - Priced Each - Keep your engine running smooth - Meyle - Audi Volkswagen

Keep your engine running smooth 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2528661
Mfg#:
06B905115E
In Stock
ON SALE!
$44.99

This product was last offered at the strikethrough price on
07-14-2026

$43.64 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

Fuel Pump

Located inside the fuel tank

Brand:
Delphi - Corporate Logo
ES#:
4905027
Mfg#:
4B0906087P
In Stock at Vendor
$351.99

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

$341.99 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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