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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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Spark Plugs - Set Of Six

ES#576 - PFR6QS4 - Spark Plugs - Set Of Six - Featuring a laser platinum resistor - NGK - Audi

Featuring a laser platinum resistor We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
576
Mfg#:
PFR6QS4
In Stock
$107.99 USD
Free Shipping
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 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.

$43.99

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

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

Fuel Pump Assembly

ES#2143442 - 8D0906087AE - Fuel Pump Assembly - Located inside the fuel tank - Continental - Audi

Located inside the fuel tank We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2143442
Mfg#:
8D0906087AE
Ships in 1-2 days
$520.74

This product was last offered at the strikethrough price on
05-01-2026

$428.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#272889 - 032121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Genuine Volkswagen Audi - Audi Volkswagen

Secures the coolant temperature sensor in place

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
272889
Mfg#:
032121142
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#8038 - 058998106 - Ignition Service Kit - Includes six Beru coil packs and NGK spark plugs to service your ignition - Assembled By ECS - Audi

Includes six Beru coil packs and NGK spark plugs to service your ignition 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
8038
Mfg#:
058998106
Ships in 2 Business Days
$476.99

This product was last offered at the strikethrough price on
09-15-2026

$409.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor O-Ring

ES#2953981 - 038103196 - Oil Level Sensor O-Ring - Seals oil level sensor to the oil pan - URO - Audi Volkswagen

Seals oil level sensor to the oil pan 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2953981
Mfg#:
038103196
Ships in 2 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 120 Amps

ES#259915 - 078903016H - Alternator - 120 Amps - Brand new, no core charge - Valeo - Audi

Brand new, no core charge We Price Match - Give Us A Call or Chat!
For cars that came with Valeo alternators. Please check existing alternator part number before ordering

Brand:
Valeo - Corporate Logo
ES#:
259915
Mfg#:
078903016H
Back Ordered
$400.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet MAF Housing - Bosch Style (Early) 85mm ID

ES#3419739 - 034-108-6006 - Billet MAF Housing - Bosch Style (Early) 85mm ID - Perfect for use in upgraded turbo cars with larger injectors and appropriate software - 034Motorsport - Audi

Perfect for use in upgraded turbo cars with larger injectors and appropriate software 2X Entries Into Our F80 M3 Sweepstakes
Fits models with Bosch style MAF sensor - Up to the 2000 model year

Brand:
034Motorsport - Corporate Logo
ES#:
3419739
Mfg#:
034-108-6006
Ships in 3 Business Days
$133.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Connector Housing - Female Connector

ES#4303 - 1J0973775A - Mass Air Flow Connector Housing - Female Connector - Contact housing for the MAF sensor - Genuine Volkswagen Audi - Audi Volkswagen

Contact housing for the MAF sensor Fits up to the 2000 model year for vehicles with Bosch style MAF

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4303
Mfg#:
1J0973775A
In Stock
25% off MSRP

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

$15.99

This product was last offered at the strikethrough price on
08-12-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Washer - Priced Each

ES#465962 - N01155813 - Washer - Priced Each - Install new hardware with your new parts. 8.4x15x1.6 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 8.4x15x1.6 Used in securing the alternator to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465962
Mfg#:
N01155813
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GENIUS 6V / 12V 1 Amp Battery Charger - NOCO

ES#4336355 - GENIUS1 - GENIUS 6V / 12V 1 Amp Battery Charger - NOCO - The GENIUS1 is similar to the G750, just better. It's 35% smaller and delivers 35% more power. And it's simpler and easier to use than ever before. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The GENIUS1 is similar to the G750, just better. It's 35% smaller and delivers 35% more power. And it's simpler and easier to use than ever before.

Brand:
NOCO - Corporate Logo
ES#:
4336355
Mfg#:
GENIUS1
Ships in 6 Business Days
25% off MSRP

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

$39.95

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

$29.94 USD
Free Shipping
on orders $49 and up

Precision Raceworks Ethanol Sensor Breakout Harness

ES#4858864 - 201-0411 - Precision Raceworks Ethanol Sensor Breakout Harness - This breakout harness isolates the signal wire from your flex fuel sensor, allowing an external gauge to access the signal without modifying your existing flex fuel harness. - Precision Raceworks - Audi BMW Volkswagen

This breakout harness isolates the signal wire from your flex fuel sensor, allowing an external gauge to access the signal without modifying your existing flex fuel harness.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4858864
Mfg#:
201-0411
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor Adapter Flange

ES#3137484 - 034-145-F015 - MAP Sensor Adapter Flange - MAP Sensor adapter flange for VW/Audi MAP sensors - Perfect for use when building your own intercooler plumbing - 034Motorsport - Audi Volkswagen

MAP Sensor adapter flange for VW/Audi MAP sensors - Perfect for use when building your own intercooler plumbing 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3137484
Mfg#:
034-145-F015
In Stock
$42.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#516390 - 4H0951253 - Multipurpose Relay - Priced Each - Replacement 4 pin relay - Genuine Volkswagen Audi - Audi Volkswagen

Replacement 4 pin relay

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
516390
Mfg#:
4H0951253
In Stock
11% off MSRP

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

$46.99

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

$41.99 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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