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Audi B5 S4 2.7T Engine Electrical Parts

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Includes the spark plug boot affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SMP - Corporate Logo
ES#:
4142131
Mfg#:
058905105
In Stock at Vendor
$45.99

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

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Controls actuation of the Combi Valve or Diverter Valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SMP - Corporate Logo
ES#:
4142136
Mfg#:
026906283J
In Stock at Vendor
$306.99

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

$297.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Located on the rear of the alternator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Valeo alternator only

Brand:
SMP - Corporate Logo
ES#:
4142128
Mfg#:
06B903803B
In Stock at Vendor
$397.99

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

$385.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Also know as the RPM reference sensor or impulse sender affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Automatic transmission models

Brand:
SMP - Corporate Logo
ES#:
4158584
Mfg#:
078906433F
In Stock at Vendor
$53.99

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

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

Includes the spark plug boot affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spectra Premium - Corporate Logo
ES#:
4142132
Mfg#:
058905105
In Stock at Vendor
$44.99

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

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

Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
5457350
Mfg#:
06A919081A
Ships in 1 Business Day
$5.99 USD
ES#2500533 - 058905105 - Ignition Coils - Set Of Six - A common cure for misfire codes - Prenco - Audi

A common cure for misfire codes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Prenco - Corporate Logo
ES#:
2500533
Mfg#:
058905105
Ships in 1-2 days
$353.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#252862 - 058905105 - Ignition Coil - Priced Each - Includes the spark plug boot - Prenco - Audi Volkswagen

Includes the spark plug boot affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Prenco - Corporate Logo
ES#:
252862
Mfg#:
058905105
Ships in 1-2 days
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Includes the spark plug boot affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
WSO - Corporate Logo
ES#:
4142129
Mfg#:
058905105
Ships in 1-2 days
$36.99

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

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits left and right rear position

Brand:
Walker - Corporate Logo
ES#:
3551566
Mfg#:
1K0998262AB
Ships in 1-2 days
$142.99

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

$138.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2586581 - 8D0997551DXKT - Engine Control Unit - Price includes a $300 core charge - Genuine Volkswagen Audi - Audi

Price includes a $300 core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Manual transmission up to VIN 8D-Y-200000, split is in the 2000 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2586581
Mfg#:
8D0997551DXKT
Ships in 7 Business Days
$1455.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4305079 - 038903018FKT - Alternator - 120 Amp - Price includes a $250.00 refundable core charge. - Genuine Volkswagen Audi - Audi Volkswagen

Price includes a $250.00 refundable core charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For cars that came with Bosch alternators. Please check existing alternator part number before ordering

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4305079
Mfg#:
038903018FKT
Ships in 7 Business Days
$742.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2531684 - 078911023DXKT - Remanufactured Starter - Price includes $80 refundable core charge - Genuine Volkswagen Audi - Audi Volkswagen

Price includes $80 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles that came with Bosch starters - Please check existing part # before ordering

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2531684
Mfg#:
078911023DXKT
Ships in 7 Business Days
$717.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Includes a $250 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For cars that came with Bosch alternators. Please check existing alternator part number before ordering

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2580828
Mfg#:
038903018FXKT
Ships in 8 Business Days
$1001.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unit responsible for turning sensor data into efficient engine operating parameters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with tiptronic transmissions from VIN 8D-1-080001 - Split is in the 2001 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
432763
Mfg#:
8D0907551AA
Ships in 8 Business Days
4% off MSRP

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

$1798.99

This product was last offered at the strikethrough price on
07-04-2026

$1722.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

A two-bank onboard battery charger rated at 20-amps (10-amps per bank) for 12-volt batteries, including marine, boat, starter, and deep-cycle batteries. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4355166
Mfg#:
GENPRO10X2
Ships in 8 Business Days
21% off MSRP

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

$284.99

This product was last offered at the strikethrough price on
07-04-2026

$224.99 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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