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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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Oxygen Sensor Socket - 22mm

Properly remove stubborn o2 sensors.

Brand:
Hazet - Corporate Logo
ES#:
4490396
Mfg#:
4680-1
Ships in 2 Business Days
$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

Mass Air Flow Sensor (MAF)

ES#279787 - 06A906461D - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Bosch - Audi Volkswagen

Restore fuel economy and performance We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
279787
Mfg#:
06A906461D
Ships in 2 Business Days
$347.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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 8 Business Days
$358.99

This product was last offered at the strikethrough price on
08-31-2026

$346.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#4069753 - 06A905115D - Ignition Coil - Priced Each - Keep your engine running smooth - Bosch - Audi Volkswagen

Keep your engine running smooth We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4069753
Mfg#:
06A905115D
Ships in 2 Business Days
$43.59

This product was last offered at the strikethrough price on
05-09-2026

$43.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electrical Connector Kit - Housing With Pins & Wire Seals (3)

ES#4460523 - 3B0973703G-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. 10X Entries Into Our F80 M3 Sweepstakes
Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM

Brand:
ECS - Corporate Logo
ES#:
4460523
Mfg#:
3B0973703G-KIT
In Stock
ON SALE! SAVE 88%
$25.99

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

$3.14 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
11% 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
08-31-2026

$334.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 120 Amps

ES#2731610 - 038903018FX - Alternator - 120 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#:
2731610
Mfg#:
038903018FX
Back Ordered
$332.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coil Pack Ignition Solution - Stage I

ES#7536 - 06a998000 - Coil Pack Ignition Solution - Stage I - Includes four OE VW/Audi Hitachi "E" style ignition coils & OEM fasteners - Assembled By ECS - Audi Volkswagen

Includes four OE VW/Audi Hitachi "E" style ignition coils & OEM fasteners 10X Entries Into Our F80 M3 Sweepstakes
Engine code AWM

Brand:
Assembled By ECS - Corporate Logo
ES#:
7536
Mfg#:
06A998000
Ships in 3 Business Days
$330.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Battery Clamp Grease - 50 grams

ES#3514231 - 20244 - Battery Clamp Grease - 50 grams - Excellent corrosion protection for your battery and other connections - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Excellent corrosion protection for your battery and other connections 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514231
Mfg#:
20244
In Stock
$6.85

This product was last offered at the strikethrough price on
08-31-2026

$5.59 USD
Free Shipping
on orders $49 and up

Starter - Remanufactured

ES#259452 - 06B911023XKT - Starter - Remanufactured - Includes a $77 refundable core charge - Bosch - Audi Volkswagen

Includes a $77 refundable core charge We Price Match - Give Us A Call or Chat!
From VIN 8D-W-007800, split is in the 1998 model year

Brand:
Bosch - Corporate Logo
ES#:
259452
Mfg#:
06B911023XKT
Ships in 2 Business Days
$332.99

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

$325.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Priced Each

ES#2017505 - BKR6EQUA - Spark Plug - Priced Each - BKR6EQUA NGK - NGK - Audi Volkswagen

BKR6EQUA NGK We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
2017505
Mfg#:
BKR6EQUA
In Stock
$9.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#4265462 - 06C905115KT - Ignition Service Kit - Includes four genuine red coil packs and spark plugs. - Genuine Volkswagen Audi - Audi Volkswagen

Includes four genuine red coil packs and spark plugs. Updated push-down style coil packs

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4265462
Mfg#:
06C905115KT
Ships in 1-2 days
$318.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#2894839 - 06A906461D - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Vemo - Audi Volkswagen

Restore fuel economy and performance

Brand:
Vemo - Corporate Logo
ES#:
2894839
Mfg#:
06A906461D
Ships in 2 Business Days
$162.99

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

$158.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coil Pack Seal - Priced Each

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 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Engine codes AEB & ATW

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

Alternator - 120amp

ES#2731623 - 058903018CX - Alternator - 120amp - Keep your charging system running properly - Valeo - Audi Volkswagen

Keep your charging system running properly 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:
Valeo - Corporate Logo
ES#:
2731623
Mfg#:
058903018CX
Ships on Nov 3, 2026
$312.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Four

ES#593 - FR7LDC+/4 - Spark Plugs - Set Of Four - Keep your engine running strong. - Bosch - Audi Volkswagen

Keep your engine running strong. We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
593
Mfg#:
FR7LDC+/4
In Stock
$43.99 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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