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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
Back Ordered
$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
Back Ordered
$108.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Particulate Filter Sensor

ES#3971248 - 076906051B - Particulate Filter Sensor - Monitors the particulate filter - Facet - Audi Volkswagen

Monitors the particulate filter For vehicles with CKRA engine code only

Brand:
Facet - Corporate Logo
ES#:
3971248
Mfg#:
076906051B
Ships in 1 Business Day
$55.99

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

$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#3520824 - 030907601E - Camshaft Position Sensor - Located on the side of the camshaft in the cylinder head - Holstein - Audi Volkswagen

Located on the side of the camshaft in the cylinder head

Brand:
Holstein - Corporate Logo
ES#:
3520824
Mfg#:
030907601E
Ships in 1 Business Day
$26.99 USD
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

Oil Pressure Switch - Brown

ES#3438069 - 038919081K - Oil Pressure Switch - Brown - Pressure switch located on the oil cooler bracket. .55-.85 BAR - Facet - Audi Volkswagen Porsche

Pressure switch located on the oil cooler bracket. .55-.85 BAR

Brand:
Facet - Corporate Logo
ES#:
3438069
Mfg#:
038919081K
Ships in 1 Business Day
$13.99

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

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

Alternator Pulley

ES#275298 - 038903119K - Alternator Pulley - Does not include securing hardware - Genuine Volkswagen Audi - Audi Volkswagen

Does not include securing hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275298
Mfg#:
038903119K
In Stock
ON SALE!
$107.99

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

$106.50 USD
Free Shipping
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

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

Hex Nut - Priced Each

ES#252222 - N01100840 - Hex Nut - Priced Each - Install new hardware with your new parts. M8 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8 For vehicles with AEB engine code only, secures cruise control actuator to the bracket.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
252222
Mfg#:
N01100840
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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
ON SALE! SAVE 16%
$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

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
Ships in 1 Business Day
ON SALE! SAVE 24%
$137.99

This product was last offered at the strikethrough price on
03-27-2026

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

Front Oxygen Sensor - Priced Each

Keep your engine running efficiently 10X Entries Into Our F80 M3 Sweepstakes
Fits the right side only

Brand:
Bremmen Parts - Corporate Logo
ES#:
5470646
Mfg#:
1K0998262L
Ships on Oct 13, 2026
Auto Notify
ON SALE! SAVE 20%
$129.99

This product was last offered at the strikethrough price on
05-29-2026

$103.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Fuel Temperature Sensor

ES#3648600 - 059919523F - Fuel Temperature Sensor - Keep an eye on your temperatures - Genuine Volkswagen Audi - Audi Volkswagen

Keep an eye on your temperatures

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3648600
Mfg#:
059919523F
Ships in 1-2 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.

$55.99

This product was last offered at the strikethrough price on
09-06-2026

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

Throttle Body Gasket

ES#3697704 - 06K133073 - Throttle Body Gasket - Seals the throttle body to the intake manifold - Vemo - Audi Volkswagen

Seals the throttle body to the intake manifold

Brand:
Vemo - Corporate Logo
ES#:
3697704
Mfg#:
06K133073
Ships in 1-2 days
$17.99

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

$12.99 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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