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Audi B5 S4 2.7T Engine Electrical Parts

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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 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#:
3419739
Mfg#:
034-108-6006
Ships in 2 Business Days
ON SALE! SAVE 10%
$133.00

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

$119.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2535324 - 06C133471AXKIT - Remanufactured Mass Air Flow Sensor (MAF) - Includes a $25 refundable core charge - Genuine Volkswagen Audi - Audi

Includes a $25 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2001 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2535324
Mfg#:
06C133471AXKIT
Ships in 7 Business Days
$358.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3971010 - 4D0951253 - Fuel Pump Relay - 372 - Keep the fuel pump going - Meyle - Audi

Keep the fuel pump going 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:
Meyle - Corporate Logo
ES#:
3971010
Mfg#:
4D0951253
Ships in 1-2 days
$51.99

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

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Includes core charge 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:
Bosch - Corporate Logo
ES#:
4743262
Mfg#:
AL0795XKTKT1
In Stock at Vendor
$350.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1853398 - 1K0998262AB - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1853398
Mfg#:
1K0998262AB
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.

$374.99

This product was last offered at the strikethrough price on
07-03-2026

$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2500528 - 5304058905105KIT - Ignition Service Kit - Includes six Beru coil packs and Denso spark plugs to service your ignition - Assembled By ECS - Audi

Includes six Beru coil packs and Denso spark plugs to service your ignition affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2500528
Mfg#:
5304058905105KIT
Ships in 1-2 days
$384.99

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

$347.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4490396 - 4680-1 - Oxygen Sensor Socket - 22mm - Properly remove stubborn o2 sensors. - Hazet - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Properly remove stubborn o2 sensors. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hazet - Corporate Logo
ES#:
4490396
Mfg#:
4680-1
Ships in 1 Business Day
$118.99

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

$115.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3137484
Mfg#:
034-145-F015
In Stock
ON SALE! SAVE 10%
$42.00

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

$37.80 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2731610 - 038903018FX - Alternator - 120 Amps - Keep your charging system running properly - Valeo - Audi Volkswagen

Keep your charging system running properly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For cars that came with Bosch alternators. Please check existing alternator part number before ordering

Brand:
Valeo - Corporate Logo
ES#:
2731610
Mfg#:
038903018FX
Back Ordered
$332.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2580761 - 7402KT - Spark Plugs - Set Of Six - Keep your engine running strong - Bosch - Audi

Keep your engine running strong 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:
Bosch - Corporate Logo
ES#:
2580761
Mfg#:
7402KT
In Stock
$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4336355
Mfg#:
GENIUS1
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.

$39.95

This product was last offered at the strikethrough price on
07-03-2026

$29.94 USD
Free Shipping
on orders $49 and up
ES#2966564 - 058905261A - Coil Pack Seal - Priced Each - For use with "bolt down" style coil packs only - Elring - Audi Volkswagen

For use with "bolt down" style coil packs only 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:
Elring - Corporate Logo
ES#:
2966564
Mfg#:
058905261A
In Stock
$3.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2864567 - 034-108-6003 - MAF Housing Adapter - S4 - Seamlessly install your 034Motorsport 85mm MAF Housing with a factory S4 airbox - 034Motorsport - Audi

Seamlessly install your 034Motorsport 85mm MAF Housing with a factory S4 airbox affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864567
Mfg#:
034-108-6003
Ships in 2 Business Days
ON SALE! SAVE 10%
$121.00

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

$108.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4460528 - 1J0973723G-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#:
4460528
Mfg#:
1J0973723G-KIT
Ships in 7 Business Days
ON SALE! SAVE 25%
$26.99

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

$20.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2894740 - 058905161B - Hall Sender - Priced Each - Measures cam position and relays it to the ECU - Vemo - Audi Volkswagen

Measures cam position and relays it to the ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2894740
Mfg#:
058905161B
In Stock at Vendor
$32.99

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

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3010021 - 216EVOWGOT.F - EVO Series Digital Oil Temperature Gauge - 100-300F - Digital oil temperature gauge with dimmable green or white backlighting - Prosport Performance - Audi BMW Volkswagen MINI

Digital oil temperature gauge with dimmable green or white backlighting affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Prosport Performance - Corporate Logo
ES#:
3010021
Mfg#:
216EVOWGOT.F
In Stock
$78.99 USD
Free Shipping

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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