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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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THINKEASY Battery Tester

ES#4745611 - 3.03.04.0001 - THINKEASY Battery Tester - Car Battery Tester with Bluetooth 5.0 + APP Automotive Alternator Tester - THINKCAR - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Car Battery Tester with Bluetooth 5.0 + APP Automotive Alternator Tester

Brand:
THINKCAR - Corporate Logo
ES#:
4745611
Mfg#:
3.03.04.0001
Ships in 1 Business Day
$59.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Repair Wire - Priced Each

ES#1009007 - 000979025EA - Repair Wire - Priced Each - Used for a quality wire repair. 1.5mm lug for 0.5mm wires - Genuine Volkswagen Audi - Audi Volkswagen

Used for a quality wire repair. 1.5mm lug for 0.5mm wires

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1009007
Mfg#:
000979025EA
Ships in 1-2 days
6% off MSRP

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

$63.99

This product was last offered at the strikethrough price on
08-21-2026

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTEK SMARTPASS 120S

ES#4492943 - 40-289 - CTEK SMARTPASS 120S - SMARTPASS 120S charges and supplies the service battery and equipment with 120A - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

SMARTPASS 120S charges and supplies the service battery and equipment with 120A

Brand:
CTEK - Corporate Logo
ES#:
4492943
Mfg#:
40-289
Back Ordered
$477.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Assembly

ES#4057759 - 06E133062H - Throttle Body Assembly - Includes the throttle position sensor - VDO - Audi

Includes the throttle position sensor We Price Match - Give Us A Call or Chat!

Brand:
VDO - Corporate Logo
ES#:
4057759
Mfg#:
06E133062H
In Stock at Vendor
$475.14

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

$474.97 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump

ES#3709117 - 8K0906253N - Leak Detection Pump - Tests the fueling system for leaks - Genuine Volkswagen Audi - Audi

Tests the fueling system for leaks

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3709117
Mfg#:
8K0906253N
Ships in 2 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.

$258.99

This product was last offered at the strikethrough price on
08-21-2026

$236.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#4159245 - 079959231L - Secondary Air Injection Pump - Keep your engine running efficiently - Pierburg - Audi

Keep your engine running efficiently Up to the 2012 model year

Brand:
Pierburg - Corporate Logo
ES#:
4159245
Mfg#:
079959231L
Ships in 1-2 days
$745.99

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

$472.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump O-Ring

ES#2739735 - WHT005184 - High Pressure Fuel Pump O-Ring - Seals the high pressure fuel pump to the cylinder head - Elring - Audi Volkswagen

Seals the high pressure fuel pump to the cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2739735
Mfg#:
WHT005184
In Stock
ON SALE! SAVE 30%
$10.53

This product was last offered at the strikethrough price on
07-30-2026

$7.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTEK PRO25S

Advanced technology will ensure that a safe, fast charge is delivered to exactly meet the needs of the individual battery.

Brand:
CTEK - Corporate Logo
ES#:
4492944
Mfg#:
40-328
In Stock at Vendor
$468.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#2678226 - 4H0951253A - Multipurpose Relay - Priced Each - Replacement 4-pin/30 amp relay - Bosch - Audi Volkswagen

Replacement 4-pin/30 amp relay 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Used for ECU control

Brand:
Bosch - Corporate Logo
ES#:
2678226
Mfg#:
4H0951253A
In Stock
74% off MSRP

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

$27.30

This product was last offered at the strikethrough price on
03-16-2026

$7.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cloth Webbed Adhesive Tape - 10m

ES#10764 - 000979950 - Cloth Webbed Adhesive Tape - 10m - 19mm wide & 10m in length - Genuine Volkswagen Audi - Audi Volkswagen

19mm wide & 10m in length

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
10764
Mfg#:
000979950
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.

$43.99

This product was last offered at the strikethrough price on
08-21-2026

$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thin Wall Oxygen Sensor Socket

ES#4001177 - CTA2064 - Thin Wall Oxygen Sensor Socket - Out of space? Use this thin wall socket. - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Out of space? Use this thin wall socket.

Brand:
CTA Tools - Corporate Logo
ES#:
4001177
Mfg#:
CTA2064
In Stock
$17.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#1884502 - 4H0951253A - Multipurpose Relay - Priced Each - Replacement 4-pin/40 amp relay - Genuine Volkswagen Audi - Audi Volkswagen

Replacement 4-pin/40 amp relay Used for ECU control

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1884502
Mfg#:
4H0951253A
Ships in 4 Business Days
10% off MSRP

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

$50.99

This product was last offered at the strikethrough price on
08-21-2026

$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Hose - Outlet

ES#280915 - 06E133817J - Secondary Air Injection Hose - Outlet - Connects the secondary air pump to the EGR connecting pipe - Genuine Volkswagen Audi - Audi

Connects the secondary air pump to the EGR connecting pipe Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280915
Mfg#:
06E133817J
Ships on Sep 9, 2026
8% off MSRP

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

$121.99

This product was last offered at the strikethrough price on
08-21-2026

$111.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#2996744 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings. Includes gasket & securing clip - URO - Audi Volkswagen Porsche

Monitors coolant temperature for fan control & gauge readings. Includes gasket & securing clip 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2996744
Mfg#:
06A919501A
In Stock
$16.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Innovate LC-2 Wideband O2 Controller Kit

ES#4809696 - 38770 - Innovate LC-2 Wideband O2 Controller Kit - Includes Lambda cable & 8-foot sensor cable. - Innovate Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes Lambda cable & 8-foot sensor cable.

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4809696
Mfg#:
38770
In Stock at Vendor
$212.99 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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