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Audi S4 Engine Electrical Parts

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Memory Saver Tool

ES#3672745 - 295A - Memory Saver Tool - Plugs directly into your 12 volt receptacle to prevent lost presets and settings while the battery is disconnected. - Lang - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Plugs directly into your 12 volt receptacle to prevent lost presets and settings while the battery is disconnected.

Brand:
Lang - Corporate Logo
ES#:
3672745
Mfg#:
295A
Ships in 6 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Terminal Cap

ES#452308 - 8K0915429C - Battery Terminal Cap - Help protect the positive battery terminal - Genuine Volkswagen Audi - Audi

Help protect the positive battery terminal

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452308
Mfg#:
8K0915429C
Ships in 1 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.

$17.99

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

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Bolt - Priced Each

ES#468688 - N10633603 - Bolt - Priced Each - Secures leak detection pump to the bracket. M4.8x13 - Genuine Volkswagen Audi - Audi

Secures leak detection pump to the bracket. M4.8x13

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468688
Mfg#:
N10633603
Ships in 1 day
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hose Clamp - Priced Each

ES#6015 - n90561801 - Hose Clamp - Priced Each - Adjustable clamp used on various hoses in the engine bay. 16-28x9 - Genuine Volkswagen Audi - Audi Volkswagen

Adjustable clamp used on various hoses in the engine bay. 16-28x9

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
6015
Mfg#:
N90561801
In Stock
ON SALE! SAVE 34%
$5.99

This product was last offered at the strikethrough price on
02-11-2026

$3.94 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 7, 2026
$7.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#2813031 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Hamburg Tech - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813031
Mfg#:
06A919501A
Ships in 1 Business Day
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#2800919 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Meistersatz - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings

Brand:
Meistersatz - Corporate Logo
ES#:
2800919
Mfg#:
06A919501A
Ships in 3 Business Days
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

T-Piece Fitting

ES#273239 - 034133382AA - T-Piece Fitting - Allows parallel connection of the vacuum reservoir/damper - Genuine Volkswagen Audi - Audi Volkswagen

Allows parallel connection of the vacuum reservoir/damper

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
273239
Mfg#:
034133382AA
Ships in 1 day
13% off MSRP

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

$15.99

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

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - 1.8 Bar

ES#2627559 - 056919081 - Oil Pressure Switch - 1.8 Bar - Low pressure screw in oil pressure switch. M10x1 - Rein - Audi Volkswagen

Low pressure screw in oil pressure switch. M10x1 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
AAN Engine Code Only

Brand:
Rein - Corporate Logo
ES#:
2627559
Mfg#:
056919081
In Stock at Vendor
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-ring - priced each

ES#472679 - WHT002287B - O-ring - priced each - Used to seal the coolant temperature sensor - Genuine Volkswagen Audi - Audi Volkswagen

Used to seal the coolant temperature sensor

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472679
Mfg#:
WHT002287B
Ships in 1 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.

$2.23

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

$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump O-Ring

ES#4145073 - WHT005184 - High Pressure Fuel Pump O-Ring - Seals the high pressure fuel pump to the cylinder head - SMP - Audi Volkswagen

Seals the high pressure fuel pump to the cylinder head

Brand:
SMP - Corporate Logo
ES#:
4145073
Mfg#:
WHT005184
Ships in 1 Business Day
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Ventilation Hose

ES#452311 - 8K0915531 - Battery Ventilation Hose - Replacement hose for proper battery ventilation - Genuine Volkswagen Audi - Audi

Replacement hose for proper battery ventilation

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452311
Mfg#:
8K0915531
Ships in 6 Business Days
7% 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
07-22-2026

$12.99 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 day
$4.07 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

Multipurpose Relay - Priced Each

ES#2815889 - 4H0951253A - Multipurpose Relay - Priced Each - Replacement 4-pin/40 amp relay - Hamburg Tech - Audi Volkswagen

Replacement 4-pin/40 amp relay We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815889
Mfg#:
4H0951253A
Ships in 1 Business Day
$5.99 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

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Manufacturer names and/or part numbers are used only for identification purposes.

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