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Audi B5 A4 Quattro 1.8T

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Audi B5 A4 Quattro 1.8T Engine Electrical Parts

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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

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
08-17-2026

$37.80 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#2816564 - 95560560101 - Secondary Air Injection Pump - Keep your engine running efficiently - Hamburg Tech - Audi Volkswagen Porsche

Keep your engine running efficiently We Price Match - Give Us A Call or Chat!
Engine codes ATW & AWM from VIN 8D-Y-100001, split is in the 2000 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816564
Mfg#:
95560560101
Ships in 1 Business Day
$185.99 USD
Free Shipping
on orders $49 and up
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 Engine codes ATW & AWM

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

Alternator - 90 Amps

ES#2725355 - 038903018EX - Alternator - 90 Amps - Keep your charging system running properly - Valeo - Audi Volkswagen

Keep your charging system running properly We Price Match - Give Us A Call or Chat!
From VIN 8D-X-200001, split is in the 1999 model year. Please check current alternator for correct amps

Brand:
Valeo - Corporate Logo
ES#:
2725355
Mfg#:
038903018EX
Back Ordered
$368.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor Connector Repair Kit

ES#3189499 - 645-924 - Mass Air Flow Sensor Connector Repair Kit - Contact housing for the MAF sensor - Dorman - Audi Volkswagen

Contact housing for the MAF sensor Engine codes ATW & AWM

Brand:
Dorman - Corporate Logo
ES#:
3189499
Mfg#:
645-924
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#1876813 - 06A959253B - Secondary Air Injection Pump - Keep your engine running efficiently - MTC - Audi Volkswagen

Keep your engine running efficiently Engine codes ATW & AWM from VIN 8D-Y-100001, split is in the 2000 model year

Brand:
MTC - Corporate Logo
ES#:
1876813
Mfg#:
06A959253B
Ships in 9 Business Days
$366.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2538550 - 06B905115EKT - Ignition Service Kit - Includes four OE coil packs and four OE spark plugs - Genuine Volkswagen Audi - Audi Volkswagen

Includes four OE coil packs and four OE spark plugs For vehicles with ATW engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2538550
Mfg#:
06B905115EKT
Ships in 2 Business Days
$416.99

This product was last offered at the strikethrough price on
02-23-2026

$364.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Four

ES#8034 - 5304-4 - Spark Plugs - Set Of Four - Keep your engine running strong with iridium core plugs. - Denso - Audi Volkswagen

Keep your engine running strong with iridium core plugs.

Brand:
Denso - Corporate Logo
ES#:
8034
Mfg#:
5304-4
In Stock
$33.00 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
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
08-22-2026

$29.94 USD
Free Shipping
on orders $49 and up

Remanufactured Mass Air Flow Sensor (MAF)

ES#2570246 - 06A906461LXKT - Remanufactured Mass Air Flow Sensor (MAF) - Includes a $25 refundable core charge - Genuine Volkswagen Audi - Audi Volkswagen

Includes a $25 refundable core charge

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2570246
Mfg#:
06A906461LXKT
Ships in 7 Business Days
$358.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Relay - 372

ES#3971010 - 4D0951253 - Fuel Pump Relay - 372 - Keep the fuel pump going - Meyle - Audi

Keep the fuel pump going 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

Remanufactured Alternator - 90 Amps

ES#5897 - AL9370kt - Remanufactured Alternator - 90 Amps - Includes a $50 refundable core charge - Bosch - Audi Volkswagen

Includes a $50 refundable core charge We Price Match - Give Us A Call or Chat!
Up to VIN 8D-X-199999, split is in the 1999 model year. Please check current alternator for correct amps

Brand:
Bosch - Corporate Logo
ES#:
5897
Mfg#:
AL9370KT
Back Ordered
$355.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 120 Amps

Includes core charge 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

Oxygen Sensor - Priced Each

ES#1853396 - 1K0998262 - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running efficiently

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1853396
Mfg#:
1K0998262
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
08-22-2026

$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Socket - 22mm

Properly remove stubborn o2 sensors.

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

Remanufactured Starter

ES#2497373 - 058911023BXK - Remanufactured Starter - Includes a $66 refundable core charge - Bosch - Audi

Includes a $66 refundable core charge We Price Match - Give Us A Call or Chat!
Up to VIN 8D-W-007799, split is in the 1998 model year

Brand:
Bosch - Corporate Logo
ES#:
2497373
Mfg#:
058911023BXK
Ships in 1-2 days
$346.99

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

$339.99 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.

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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