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Audi B8/B8.5 S4 Quattro 3.0T

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Audi B8/B8.5 S4 Quattro 3.0T 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 2 Business Days
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
08-22-2026

$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 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

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 We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2586934
Mfg#:
032121142
Ships in 3 Business Days
$4.99 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 Sep 9, 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

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 8 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
08-22-2026

$12.99 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!
Used for ECU control

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

Multipurpose Relay - Priced Each

ES#1831766 - 141951253B - Multipurpose Relay - Priced Each - Replacement 4-pin/40 amp relay - Meyle - Audi Volkswagen

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

Brand:
Meyle - Corporate Logo
ES#:
1831766
Mfg#:
141951253B
Ships on Sep 9, 2026
$8.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Brand:
Elring - Corporate Logo
ES#:
5340859
Mfg#:
03C127311
In Stock
ON SALE! SAVE 27%
$3.99

This product was last offered at the strikethrough price on
08-14-2026

$2.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#2771881 - 141951253B - 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!
Used for ECU control

Brand:
Hamburg Tech - Corporate Logo
ES#:
2771881
Mfg#:
141951253B
Ships in 1 Business Day
$4.03 USD
Free Shipping
on orders $49 and up

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
08-22-2026

$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

Brand:
Bremmen Parts - Corporate Logo
ES#:
5340860
Mfg#:
06E133062H
In Stock
ON SALE! SAVE 23%
$285.99

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

$218.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

Located in the cylinder head

Brand:
Bremmen Parts - Corporate Logo
ES#:
5480691
Mfg#:
07L905163C
In Stock
$25.99 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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