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Audi A4 Engine Electrical Parts

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Engine Wiring Harness

ES#453037 - 8K1971072FK - Engine Wiring Harness - Complete harness for the engine - Genuine Volkswagen Audi - Audi

Complete harness for the engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For 6-Speed manual transmission only up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
453037
Mfg#:
8K1971072FK
Special Order: No Guaranteed ETA
5% off MSRP

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

$2845.99

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

$2701.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coils - Set Of Six

ES#2162796 - 06E898003 - Ignition Coils - Set Of Six - Restore performance and clear misfire codes - NFIS Original Equipment - Audi

Restore performance and clear misfire codes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NFIS Original Equipment - Corporate Logo
ES#:
2162796
Mfg#:
06E898003
In Stock
$191.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B7 A4 2.0T High Pressure Fuel Pump Replacement Kit

ES#3612392 - 06f127025kKT - B7 A4 2.0T High Pressure Fuel Pump Replacement Kit - Includes fuel pump and necessary adapter fittings to swap in an updated style HPFP (barbed fitting) into your original banjo fuel line setup - Assembled By ECS - Audi

Includes fuel pump and necessary adapter fittings to swap in an updated style HPFP (barbed fitting) into your original banjo fuel line setup affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For earlier models (up to VIN 8E-6-266700) with existing banjo style fuel line and fitting

Brand:
Assembled By ECS - Corporate Logo
ES#:
3612392
Mfg#:
06F127025KKT
Ships on Aug 24, 2026
Auto Notify
ON SALE! SAVE 44%
$594.99

This product was last offered at the strikethrough price on
07-02-2026

$335.57 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Waste Gate Frequency Control N75 Valve

ES#1039862 - 06A906283E - Waste Gate Frequency Control N75 Valve - Get your turbo back in action with a new N75 valve. - Genuine Volkswagen Audi - Audi Volkswagen

Get your turbo back in action with a new N75 valve. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1039862
Mfg#:
06A906283E
In Stock
ON SALE! SAVE 28%
$262.99

This product was last offered at the strikethrough price on
03-11-2026

$189.28 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#4460500 - 3D0973703-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#:
4460500
Mfg#:
3D0973703-KIT
In Stock
ON SALE! SAVE 25%
$24.99

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

$18.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

1.8T Performance Ignition Service Kit

ES#5338628 - 056059LA084ISKT - 1.8T Performance Ignition Service Kit - Featuring ECS Performance Ignition Coils & OEM NGK platinum-core spark plugs for increased spark energy! - ECS - Audi Volkswagen

Featuring ECS Performance Ignition Coils & OEM NGK platinum-core spark plugs for increased spark energy! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles with Engine Codes ATW and AEB (Bolt-In Style Ignition Coils)

Brand:
ECS - Corporate Logo
ES#:
5338628
Mfg#:
056059LA084ISKT
Ships on Aug 19, 2026
Auto Notify
ON SALE! SAVE 15%
$220.99

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

$187.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug (PFR6Q) - Priced Each

ES#7539 - pfr6q - Spark Plug (PFR6Q) - Priced Each - PFR6Q - Factory heat range plugs with platinum cores - NGK - Audi Volkswagen

PFR6Q - Factory heat range plugs with platinum cores affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
7539
Mfg#:
PFR6Q
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Pressure Switch

ES#3437389 - 4H0959126B - A/C Pressure Switch - Prevents excess pressure from building within the system - Hella - Audi

Prevents excess pressure from building within the system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hella - Corporate Logo
ES#:
3437389
Mfg#:
4H0959126B
Ships in 2 Business Days
$62.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coil Pack - Set Of Four

ES#260103 - 07K998715F - Coil Pack - Set Of Four - Keep your engine running strong - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
260103
Mfg#:
07K998715F
In Stock
$319.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold Runner Position Sensor

ES#2831954 - 07L907386B - Intake Manifold Runner Position Sensor - Located on the side of the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

Located on the side of the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2831954
Mfg#:
07L907386B
In Stock
ON SALE!
$157.99

This product was last offered at the strikethrough price on
06-15-2026

$149.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#8367 - 1K0998262 - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently 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#:
8367
Mfg#:
1K0998262
In Stock
$114.99

This product was last offered at the strikethrough price on
01-19-2026

$105.07 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Professional VW/Audi Scan Tool with Digital Circuit Tester

ES#4759951 - 007868SCH01B02KT - Professional VW/Audi Scan Tool with Digital Circuit Tester - Developed for VW/Audi vehicles. Has many OE-level diagnostics including EPB, Airbag, ABS, A/T, Instrument cluster, Oil service reset and more. Includes a Circuit Tester! - Enthusiast Bundles - Audi Volkswagen

Developed for VW/Audi vehicles. Has many OE-level diagnostics including EPB, Airbag, ABS, A/T, Instrument cluster, Oil service reset and more. Includes a Circuit Tester! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4759951
Mfg#:
007868SCH01B02KT
Ships on Dec 24, 2026
$228.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#4046596 - 05C919501 - Coolant Temperature Sensor - Monitors coolant temperature for fan control & gauge readings - Genuine Volkswagen Audi - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4046596
Mfg#:
05C919501
In Stock
3% off MSRP

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

$31.99

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

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#4766154 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings. Includes O-ring - Bremmen Parts - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings. Includes O-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

2-pin temperature sensor located in lower radiator hose

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766154
Mfg#:
06A919501A
In Stock
ON SALE! SAVE 20%
$14.99

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

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Sender - Blue

ES#2894921 - 06K919081 - Oil Pressure Sender - Blue - Pressure switch located on the oil cooler bracket - Vemo - Audi Volkswagen

Pressure switch located on the oil cooler bracket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2894921
Mfg#:
06K919081
In Stock
$26.99

This product was last offered at the strikethrough price on
05-01-2026

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Ignition Coils - Set Of Four

ES#5336660 - 056059la09-4KT - ECS Performance Ignition Coils - Set Of Four - Increased energy output over OE coils for a stronger, more consistent spark! - ECS - Audi Volkswagen

Increased energy output over OE coils for a stronger, more consistent spark! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
5336660
Mfg#:
056059LA09-4KT
Ships on Aug 19, 2026
Auto Notify
ON SALE! SAVE 20%
$143.99

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

$115.17 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.

Let us help you find the parts that fit your Audi

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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