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Audi B8/B8.5 A4 Quattro 2.0T

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Audi B8/B8.5 A4 Quattro 2.0T Engine Electrical Parts

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Sealing O-Ring - Priced Each

ES#3419389 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Rein - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3419389
Mfg#:
N90316802
In Stock
$2.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump O-Ring

ES#4342380 - 03C127311 - High Pressure Fuel Pump O-Ring - Seals the high pressure fuel pump to the cylinder head - Febi - Audi Volkswagen

Seals the high pressure fuel pump to the cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4342380
Mfg#:
03C127311
Ships on Sep 18, 2026
Auto Notify
$7.99

This product was last offered at the strikethrough price on
03-23-2026

$4.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Pressure Switch

ES#4575869 - 9A7959126A - A/C Pressure Switch - Also use (Qty.) (1) 7H0 820 896 o-ring. - Genuine Porsche - Audi

Also use (Qty.) (1) 7H0 820 896 o-ring.

Brand:
Genuine Porsche - Corporate Logo
ES#:
4575869
Mfg#:
9A7959126A
Ships in 4 Business Days
$151.99

This product was last offered at the strikethrough price on
08-04-2026

$150.99 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#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. 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

Rear Oxygen Sensor - Priced Each

Keep your engine running efficiently

Brand:
NTK - Corporate Logo
ES#:
4057478
Mfg#:
1K0998262T
In Stock at Vendor
$152.99

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

$147.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTEK Storage Bag

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.

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

Oil Pressure Control Valve

ES#5444990 - 06H115243L - Oil Pressure Control Valve - 'N428' Oil Pressure Regulation Valve - Solenoid valve bolted to front edge of cylinder block - Switches between low and high oil pressure stages - Bremmen Parts - Audi

'N428' Oil Pressure Regulation Valve - Solenoid valve bolted to front edge of cylinder block - Switches between low and high oil pressure stages 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5444990
Mfg#:
06H115243L
In Stock
ON SALE! SAVE 20%
$89.99

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

$71.99 USD
Free Shipping
on orders $49 and up

A/C Pressure Switch

ES#4057423 - 4H0959126B - A/C Pressure Switch - Prevents excess pressure from building within the system - Four Seasons - Audi

Prevents excess pressure from building within the system

Brand:
Four Seasons - Corporate Logo
ES#:
4057423
Mfg#:
4H0959126B
In Stock
$76.99

This product was last offered at the strikethrough price on
04-21-2026

$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brisk Silver Racing DR08GS Spark Plug - Priced Each

ES#4017470 - DR08GS - Brisk Silver Racing DR08GS Spark Plug - Priced Each - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - Audi Volkswagen Mercedes Benz MINI

Featuring silver fine wire center electrode - Superior ignition ability increases engine power! Three heat ranges colder than stock with a surface discharge design

Brand:
Brisk - Corporate Logo
ES#:
4017470
Mfg#:
DR08GS
Ships in 4 Business Days
8% off MSRP

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

$37.99

This product was last offered at the strikethrough price on
08-19-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Reusable Cable Tie - Priced Each

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

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

Brisk Silver Racing DR14YS Spark Plug - Set Of Four

ES#4033192 - dr14ysKT - Brisk Silver Racing DR14YS Spark Plug - Set Of Four - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - Audi Volkswagen MINI

Featuring silver fine wire center electrode - Superior ignition ability increases engine power! Stock heat range with a projected tip

Brand:
Brisk - Corporate Logo
ES#:
4033192
Mfg#:
DR14YSKT
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brisk Silver Racing DR08S Spark Plug - Set Of Four

ES#4033197 - dr08sKT - Brisk Silver Racing DR08S Spark Plug - Set Of Four - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - Audi Volkswagen MINI

Featuring silver fine wire center electrode - Superior ignition ability increases engine power! Three heat ranges colder than stock with a non-projected tip

Brand:
Brisk - Corporate Logo
ES#:
4033197
Mfg#:
DR08SKT
Ships in 2 Business Days
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brisk Silver Racing DR08GS Spark Plug - Set Of Four

ES#4033198 - dr08gsKT - Brisk Silver Racing DR08GS Spark Plug - Set Of Four - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - Audi Volkswagen MINI

Featuring silver fine wire center electrode - Superior ignition ability increases engine power! Three heat ranges colder than stock with a surface discharge design

Brand:
Brisk - Corporate Logo
ES#:
4033198
Mfg#:
DR08GSKT
Ships in 4 Business Days
$136.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#4057477 - 1K0998262T - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - Denso - Audi Volkswagen

Keep your engine running efficiently

Brand:
Denso - Corporate Logo
ES#:
4057477
Mfg#:
1K0998262T
In Stock at Vendor
$151.99

This product was last offered at the strikethrough price on
03-16-2026

$135.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Low Pressure Fuel Sensor - Priced Each

ES#3706686 - 06H906051J - Low Pressure Fuel Sensor - Priced Each - Located on the high pressure fuel pump or fuel hardline, depending on vehicle application - Original Equipment - Audi Volkswagen

Located on the high pressure fuel pump or fuel hardline, depending on vehicle application Located in fuel feed line to fuel rail

Brand:
Original Equipment - Corporate Logo
ES#:
3706686
Mfg#:
06H906051J
Ships in 1 day
$65.99 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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