Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi B5 S4 2.7T

Audi B5 S4 2.7T Engine Electrical Parts

Sort By
Filter By
Return to Top
ES#466521 - N01474011 - Allen Bolt - Priced Each - Install new hardware with your new parts. M6x16 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x16 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466521
Mfg#:
N01474011
In Stock
5% off MSRP

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

$3.06

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

$2.91 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Shut down quickly & remotely - required by many racing organizations affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
3552508
Mfg#:
EL21BLACK
Ships in 5 Business Days
$75.00 USD
Free Shipping
on orders $49 and up
ES#2575153 - 038903803EX - Remanufactured Voltage Regulator - Includes a $10 refundable core charge - Genuine Volkswagen Audi - Audi Volkswagen

Includes a $10 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Bosch style alternators

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2575153
Mfg#:
038903803EX
Ships in 7 Business Days
$146.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#433117 - 8D0971850C - Reusable Cable Tie - Priced Each - Used in various locations in your vehicle - Genuine Volkswagen Audi - Audi

Used in various locations in your vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
433117
Mfg#:
8D0971850C
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4492955 - 40-468 - CTEK Storage Bag  - The CTEK storage bag is tough, durable, and lightweight to protect your battery tender and keep it safe from the elements  wherever you take it. - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The CTEK storage bag is tough, durable, and lightweight to protect your battery tender and keep it safe from the elements – wherever you take it. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTEK - Corporate Logo
ES#:
4492955
Mfg#:
40-468
In Stock
Limited Qty Sale
$87.99

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

$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3419021 - 058905105kt5 - Ignition Coils - Set Of Six - Cures common coil-related engine misfire issues and diagnostic trouble codes - URO - Audi

Cures common coil-related engine misfire issues and diagnostic trouble codes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3419021
Mfg#:
058905105KT5
Ships in 1 Business Day
$144.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2975687 - 034-701-0000 - Plug-In MAF Conversion Harness - Convert your vehicle from the old Bosch MAF to the newer Hitachi style MAF - 034Motorsport - Audi

Convert your vehicle from the old Bosch MAF to the newer Hitachi style MAF affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits models with Bosch style MAF sensor - Up to the 2000 model year

Brand:
034Motorsport - Corporate Logo
ES#:
2975687
Mfg#:
034-701-0000
Ships in 2 Business Days
ON SALE! SAVE 10%
$161.00

This product was last offered at the strikethrough price on
06-28-2026

$144.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2681777 - 06A919081J - Oil Pressure Switch - black - Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR - Vemo - Audi Volkswagen

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

Brand:
Vemo - Corporate Logo
ES#:
2681777
Mfg#:
06A919081J
In Stock at Vendor
$12.99

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

$12.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3218978 - 8D0959482B - A/C Pressure Safety Switch - Prevents excess pressure from building within the system - URO - Audi Volkswagen

Prevents excess pressure from building within the system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3218978
Mfg#:
8D0959482B
Ships in 1 Business Day
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4460527 - 8E0973703B-KIT - Electrical Connector Kit - Housing With Pins & Wire Seals (3) - Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. - ECS - Audi Volkswagen

Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM

Brand:
ECS - Corporate Logo
ES#:
4460527
Mfg#:
8E0973703B-KIT
In Stock
ON SALE! SAVE 86%
$25.99

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

$3.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

An all-in-one battery starter, DTC code reader, and alternator analyzer. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
THINKCAR - Corporate Logo
ES#:
4745613
Mfg#:
3.03.06.0001
Ships in 1 Business Day
$129.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4864897 - 8D0906321 - Leak Detection Pump Filter - Cleans the air entering the leak detection pump - Vaico - Audi Volkswagen

Cleans the air entering the leak detection pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4864897
Mfg#:
8D0906321
In Stock at Vendor
$65.99

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

$63.99 USD
Free Shipping
on orders $49 and up
ES#4492954 - 56-925 - CTEK Battery Tester - Easy to use  simply attach to the battery (no need to disconnect) and follow the on-screen instructions - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Easy to use — simply attach to the battery (no need to disconnect) and follow the on-screen instructions affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTEK - Corporate Logo
ES#:
4492954
Mfg#:
56-925
Back Ordered
$126.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2949738 - SOLBA9 - 12v Digital Battery and System Tester - Great tool for shop or home - Solar - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Great tool for shop or home affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Solar - Corporate Logo
ES#:
2949738
Mfg#:
SOLBA9
Ships in 6 Business Days
$123.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#259786 - N90175205 - Shouldered Nut - Priced Each - Install new hardware with your new parts. M6 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the leak detection pump bracket to the vehicle

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259786
Mfg#:
N90175205
Ships in 2 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2580748 - 101000063AAKT2 - Spark Plugs - Set Of Six - Keep your engine running strong - Genuine Volkswagen Audi - Audi

Keep your engine running strong affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2580748
Mfg#:
101000063AAKT2
In Stock
$119.94 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings