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Audi B5 S4 2.7T

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Audi B5 S4 2.7T Engine Electrical Parts

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Hall Sender Service Kit - 058905161B

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! 10X Entries Into Our F80 M3 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

Battery Disconnect Switch - 4 Terminal

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.

Brand:
Rennline - Corporate Logo
ES#:
3604639
Mfg#:
EL-LA4578
Ships in 4 Business Days
$59.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bumper 300

Don't scratch your paint with your battery tender.

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

Hall Sender - Priced Each

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

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

A/C Clutch Control Relay

ES#2898720 - 443919578C - A/C Clutch Control Relay - Engages the magnetic clutch on the compressor - Vemo - Audi Volkswagen

Engages the magnetic clutch on the compressor

Brand:
Vemo - Corporate Logo
ES#:
2898720
Mfg#:
443919578C
Ships in 1 Business Day
$56.99

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

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#4849592 - 038903803E - Voltage Regulator - Maintains a constant voltage level by controlling the alternator's output. - Vemo - Audi Volkswagen

Maintains a constant voltage level by controlling the alternator's output. For Bosch style alternators

Brand:
Vemo - Corporate Logo
ES#:
4849592
Mfg#:
038903803E
Ships in 1 Business Day
$54.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor With O-Ring & Clip - 4 Pin

ES#2649750 - 059919501AKT3 - Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Updated Green sensor with square/round connector. Please check existing sensor color - Vemo - Audi Volkswagen

Updated <font color='green'>Green</font> sensor with square/round connector. Please check existing sensor color

Brand:
Vemo - Corporate Logo
ES#:
2649750
Mfg#:
059919501AKT3
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#2828552 - 7M0951253A - Multipurpose Relay - Priced Each - Replacement 4 pin relay - URO - Audi Volkswagen Porsche

Replacement 4 pin relay 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2828552
Mfg#:
7M0951253A
Ships in 1 Business Day
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#2102411 - 1J0907660B - Oil Level Sensor - Mounted on the bottom of the oil pan - MTC - Audi Volkswagen

Mounted on the bottom of the oil pan

Brand:
MTC - Corporate Logo
ES#:
2102411
Mfg#:
1J0907660B
Ships in 9 Business Days
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#3624900 - 059919501A - Coolant Temperature Sensor - Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head - FAE - Audi Volkswagen

Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head

Brand:
FAE - Corporate Logo
ES#:
3624900
Mfg#:
059919501A
Ships on Oct 26, 2026
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - Black

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

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

CTEK Indicator Panel

ES#3676988 - 56-380 - CTEK Indicator Panel - Displays battery health at all times. - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Displays battery health at all times.

Brand:
CTEK - Corporate Logo
ES#:
3676988
Mfg#:
56-380
In Stock at Vendor
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HD Precision Boost Battery Clamps - NOCO

ES#4346366 - GBC003 - HD Precision Boost Battery Clamps - NOCO - The needle nose design on these heavy-duty battery clamps ensure fitment in tight spaces for both 12-volt gas and diesel engines. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The needle nose design on these heavy-duty battery clamps ensure fitment in tight spaces for both 12-volt gas and diesel engines.

Brand:
NOCO - Corporate Logo
ES#:
4346366
Mfg#:
GBC003
In Stock
ON SALE!
$24.99

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

$23.61 USD
Free Shipping
on orders $49 and up

Fuel Pump Relay - 372

ES#2899179 - 4D0951253 - Fuel Pump Relay - 372 - Keep the fuel pump going - Vemo - Audi Volkswagen

Keep the fuel pump going

Brand:
Vemo - Corporate Logo
ES#:
2899179
Mfg#:
4D0951253
Ships in 1 Business Day
$91.99

This product was last offered at the strikethrough price on
09-23-2026

$46.95 USD
Free Shipping
on orders $49 and up

Crankshaft Position Sensor

ES#252763 - 06A906433C - Crankshaft Position Sensor - Also known as the RPM or speed sensor - Meyle - Audi Volkswagen

Also known as the RPM or speed sensor 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Manual transmission models

Brand:
Meyle - Corporate Logo
ES#:
252763
Mfg#:
06A906433C
Ships on Oct 30, 2026
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rennline Remote Pull Cable Kit with Loop Handle - Red

Shut down quickly & remotely - required by many racing organizations

Brand:
Rennline - Corporate Logo
ES#:
2839899
Mfg#:
EL25RED
Ships in 5 Business Days
$45.00 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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