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Volkswagen Passat Engine Electrical Parts

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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 vehicles with 120 amp Bosch style alternator only.

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

Iridium Spark Plug - Priced Each

ES#3098933 - 50003-M35I - Iridium Spark Plug - Priced Each - Superfire Racing M series plug - HKS - Volkswagen

Superfire Racing M series plug

Brand:
HKS - Corporate Logo
ES#:
3098933
Mfg#:
50003-M35I
In Stock at Vendor
$27.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Iridium Spark Plugs - Set Of Four

ES#3142325 - hks20tKT - Iridium Spark Plugs - Set Of Four - Superfire Racing M series plugs - HKS - Volkswagen

Superfire Racing M series plugs

Brand:
HKS - Corporate Logo
ES#:
3142325
Mfg#:
HKS20TKT
In Stock at Vendor
$108.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

In-Tank Fuel Pump Assembly

ES#2898568 - 3AA919051C - In-Tank Fuel Pump Assembly - Fuel pump with sending unit - Vemo - Volkswagen

Fuel pump with sending unit

Brand:
Vemo - Corporate Logo
ES#:
2898568
Mfg#:
3AA919051C
Ships on Feb 2, 2027
$107.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Power Supply Relay "109"

ES#1831796 - 1J0906381A - Engine Power Supply Relay "109" - A failed 109 Relay can leave you stranded - OE Aftermarket - Volkswagen

A failed 109 Relay can leave you stranded

Brand:
OE Aftermarket - Corporate Logo
ES#:
1831796
Mfg#:
1J0906381A
Ships in 4 Business Days
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#5424335 - 06A906433C - Crankshaft Position Sensor - Also known as the RPM or speed sensor - Bremmen Parts - Audi Volkswagen

Also known as the RPM or speed sensor 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with automatic transmission only

Brand:
Bremmen Parts - Corporate Logo
ES#:
5424335
Mfg#:
06A906433C
In Stock
ON SALE! SAVE 15%
$20.99

This product was last offered at the strikethrough price on
09-16-2026

$17.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

Restore fuel economy and performance

Brand:
Hudson - Corporate Logo
ES#:
4147136
Mfg#:
03L906461A
Ships in 1-2 days
$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#4057602 - 06A906461L - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Vemo - Audi Volkswagen

Restore fuel economy and performance For vehicles with AWM engine code only, with VIN up to 3B-2-100 000, split is in the 2002 model year.

Brand:
Vemo - Corporate Logo
ES#:
4057602
Mfg#:
06A906461L
Special Order: No Guaranteed ETA
$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gas Temperature Sensor - Front

ES#2162883 - 03L906088ED - Exhaust Gas Temperature Sensor - Front - Determines exhaust temperature before the turbo - Genuine Volkswagen Audi - Volkswagen

Determines exhaust temperature before the turbo For vehicles with CKRA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2162883
Mfg#:
03L906088ED
Ships in 1-2 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.

$118.99

This product was last offered at the strikethrough price on
08-31-2026

$105.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor Kit

ES#5435457 - 06K907637BKT - Oil Level Sensor Kit - Restore accurate oil monitoring and protect your engine with this high-quality OEM oil level sensor and hardware. - Assembled By ECS - Audi Volkswagen

Restore accurate oil monitoring and protect your engine with this high-quality OEM oil level sensor and hardware. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5435457
Mfg#:
06K907637BKT
In Stock
ON SALE!
$108.99

This product was last offered at the strikethrough price on
10-08-2026

$104.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Knock Sensor

ES#4900263 - 06K905377F - Knock Sensor - Detects engine ping and changes timing accordingly - URO - Volkswagen

Detects engine ping and changes timing accordingly 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4900263
Mfg#:
06K905377F
In Stock
Limited Qty Sale
$24.99

This product was last offered at the strikethrough price on
08-26-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Gasket - Priced Each

ES#283728 - 078133073B - Throttle Body Gasket - Priced Each - Seals the throttle body to the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

Seals the throttle body to the intake manifold ATQ engine code requires 2 because of spacer. AHA engine code only requires one.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283728
Mfg#:
078133073B
In Stock
13% off MSRP

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

$59.99

This product was last offered at the strikethrough price on
08-23-2026

$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGT Sensor

ES#5340319 - 04L906088JLKT - EGT Sensor - Monitors exhaust gas temperatures for air/fuel ratio - Genuine Volkswagen Audi - Volkswagen

Monitors exhaust gas temperatures for air/fuel ratio

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5340319
Mfg#:
04L906088JLKT
Back Ordered
$106.99

This product was last offered at the strikethrough price on
10-05-2026

$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#2627557 - 025906041A - Coolant Temperature Sensor - 2 Pin - Blue sensor used by the ECU to control engine fueling - Rein - Audi Volkswagen

Blue sensor used by the ECU to control engine fueling 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2627557
Mfg#:
025906041A
In Stock
$9.99

This product was last offered at the strikethrough price on
08-31-2026

$9.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Relay 167 - Priced Each

ES#2535145 - 191906383C - Relay 167 - Priced Each - Commonly used as a contact close relay for fuel pump - URO - Audi Volkswagen

Commonly used as a contact close relay for fuel pump 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535145
Mfg#:
191906383C
Ships in 1 Business Day
$6.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Starter Connection Repair Kit

ES#3468674 - 357972771KT - Starter Connection Repair Kit - Repair the connection at your starter - Genuine Volkswagen Audi - Volkswagen

Repair the connection at your starter

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3468674
Mfg#:
357972771KT
Ships in 1-2 days
$106.99

This product was last offered at the strikethrough price on
08-31-2026

$101.99 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 Volkswagen

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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