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Volkswagen MK4 Engine Electrical Parts

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Knock Sensor - 165mm

ES#3419349 - 030905377C - Knock Sensor - 165mm - Detects engine knock and changes timing accordingly (Sensor only) - Bosch - Audi Volkswagen

Detects engine knock and changes timing accordingly (Sensor only) 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3419349
Mfg#:
030905377C
In Stock
ON SALE! SAVE 13%
$43.99

This product was last offered at the strikethrough price on
04-10-2026

$38.10 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#1304252 - 06C905115M - Ignition Coil - Priced Each - Keep your engine running smooth. - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running smooth. Updated push-down style coil pack

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1304252
Mfg#:
06C905115M
In Stock
ON SALE! SAVE 10%
$57.99

This product was last offered at the strikethrough price on
06-03-2026

$52.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Assembly

ES#4632 - 06A133062Q - Throttle Body Assembly - For cars with Drive-By Wire - Bosch - Volkswagen

For cars with Drive-By Wire 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with AVH, AZG, or BBW engine code only

Brand:
Bosch - Corporate Logo
ES#:
4632
Mfg#:
06A133062Q
In Stock at Vendor
$850.99

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

$826.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Six

ES#2535974 - 101905606akt - Spark Plugs - Set Of Six - Copper cored plug, original heat range specification - Genuine Volkswagen Audi - Audi Volkswagen

Copper cored plug, original heat range specification

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2535974
Mfg#:
101905606AKT
Ships in 1 day
$118.02 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump

ES#3537038 - 1J0919051N - Fuel Pump - Complete fuel pump assembly with sending unit - Hamburg Tech - Volkswagen

Complete fuel pump assembly with sending unit We Price Match - Give Us A Call or Chat!
For vehicles with a metal fuel tank

Brand:
Hamburg Tech - Corporate Logo
ES#:
3537038
Mfg#:
1J0919051N
In Stock
Limited Qty Sale
$234.99

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

$204.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#284127 - 078906601M - Secondary Air Injection Pump - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running efficiently

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284127
Mfg#:
078906601M
Ships in 1 day
6% off MSRP

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

$857.99

This product was last offered at the strikethrough price on
02-26-2026

$806.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Boost Plus UltraSafe Lithium 1000 Amp Jump Starter - NOCO

ES#3984701 - GB40 - Boost Plus UltraSafe Lithium 1000 Amp Jump Starter - NOCO - This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 6.0L engine or less and diesel vehicles up to 3.0L, up to 20 times on a single charge. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 6.0L engine or less and diesel vehicles up to 3.0L, up to 20 times on a single charge.

Brand:
NOCO - Corporate Logo
ES#:
3984701
Mfg#:
GB40
Ships in 8 Business Days
20% off MSRP

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

$124.99

This product was last offered at the strikethrough price on
07-28-2026

$99.99 USD
Free Shipping
on orders $49 and up

Hall Sender

ES#258737 - 06A905161A - Hall Sender - Also called camshaft position sensor - Genuine Volkswagen Audi - Audi Volkswagen

Also called camshaft position sensor

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258737
Mfg#:
06A905161A
Ships in 1 day
7% off MSRP

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

$278.99

This product was last offered at the strikethrough price on
07-28-2026

$259.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Relay - 7-pin

ES#2814368 - 1J0906383C - Fuel Pump Relay - 7-pin - Commonly used as a contact close relay for fuel pump - Hamburg Tech - Volkswagen

Commonly used as a contact close relay for fuel pump We Price Match - Give Us A Call or Chat!
For vehicles with VIN from 1J-W-999 000, split is in 1998 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814368
Mfg#:
1J0906383C
In Stock
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

200ml Electronic Spray

ES#4418680 - 20298 - 200ml Electronic Spray - Electrical Spray for Electronics - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Electrical Spray for Electronics 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4418680
Mfg#:
20298
In Stock
9% off MSRP

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

$11.99

This product was last offered at the strikethrough price on
07-28-2026

$10.95 USD
Free Shipping
on orders $49 and up

Remanufactured Alternator - 120 Amp

ES#2137174 - 038903018QX - Remanufactured Alternator - 120 Amp - Price includes $150 refundable core charge - Genuine Volkswagen Audi - Audi Volkswagen

Price includes $150 refundable core charge For vehicles with 120A alternator only. Check existing amperage listed on back of alternator.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2137174
Mfg#:
038903018QX
Ships in 1 day
$833.99

This product was last offered at the strikethrough price on
02-26-2026

$759.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Level Sensor Connector

ES#311321 - 1J0973202 - Coolant Level Sensor Connector - Connects to the coolant level sensor built into the expansion tank - Genuine Volkswagen Audi - Audi Volkswagen

Connects to the coolant level sensor built into the expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
311321
Mfg#:
1J0973202
Ships in 1 day
7% off MSRP

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

$42.99

This product was last offered at the strikethrough price on
07-28-2026

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coil Pack Hold Down Kit - Silver

ES#1303018 - ECS4275KT-ASLV - Coil Pack Hold Down Kit - Silver - A creative & attractive solution for your coil pack "popping" problem - ECS - Audi Volkswagen

A creative & attractive solution for your coil pack "popping" problem 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with AWW or AWP engine codes only

Brand:
ECS - Corporate Logo
ES#:
1303018
Mfg#:
ECS4275KT-ASLV
In Stock
ON SALE! SAVE 10%
$119.99

This product was last offered at the strikethrough price on
06-13-2026

$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#5374642 - 06A906461L - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Bremmen Parts - Audi Volkswagen

Restore fuel economy and performance 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5374642
Mfg#:
06A906461L
Ships on Oct 15, 2026
Auto Notify
ON SALE! SAVE 21%
$67.99

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

$53.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Set Of Six

ES#2568791 - 022905715BKT5 - Ignition Coil - Set Of Six - Keep your engine running strong - Bremi - Audi Volkswagen Porsche

Keep your engine running strong

Brand:
Bremi - Corporate Logo
ES#:
2568791
Mfg#:
022905715BKT5
In Stock
$211.99

This product was last offered at the strikethrough price on
04-09-2026

$187.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Starter Motor - Remanufactured

ES#2707925 - 02A911024DX - Starter Motor - Remanufactured - Price includes $90 refundable core charge - Genuine Volkswagen Audi - Volkswagen

Price includes $90 refundable core charge For vehicles with manual transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2707925
Mfg#:
02A911024DX
Ships in 7 Business Days
$715.99

This product was last offered at the strikethrough price on
02-26-2026

$714.99 USD
Free Shipping
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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