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Audi B8 RS5 4.2L

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Audi B8 RS5 4.2L Engine Electrical Parts

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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

6-pin connector - priced each

ES#1925305 - 4H0973713 - 6-pin connector - priced each - Replace a broken connector to restore function - Genuine Volkswagen Audi - Audi

Replace a broken connector to restore function

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1925305
Mfg#:
4H0973713
Ships in 1 day
8% off MSRP

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

$12.99

This product was last offered at the strikethrough price on
09-08-2026

$11.99 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 We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4342380
Mfg#:
03C127311
Ships on Oct 22, 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

Knock Sensor - Brown - Priced Each

ES#283059 - 077905377G - Knock Sensor - Brown - Priced Each - Keep your engine running smoothly - Genuine Volkswagen Audi - Audi

Keep your engine running smoothly

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283059
Mfg#:
077905377G
Ships in 3 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.

$143.99

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

$133.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#2731859 - 1K0998262S - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - Walker - Audi Volkswagen

Keep your engine running efficiently

Brand:
Walker - Corporate Logo
ES#:
2731859
Mfg#:
1K0998262S
Ships in 1 day
$134.99

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

$130.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

THINKCAR CJS101 Compact Battery Analyzer

An all-in-one battery starter, DTC code reader, and alternator analyzer.

Brand:
THINKCAR - Corporate Logo
ES#:
4745613
Mfg#:
3.03.06.0001
Ships in 1 Business Day
$129.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Seal

ES#4039425 - 4F0919133B - Fuel Pump Seal - Located between the union nut and the plastic ring - Vaico - Audi

Located between the union nut and the plastic ring We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4039425
Mfg#:
4F0919133B
Ships in 2 Business Days
$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

CTEK Battery Tester

Easy to use — simply attach to the battery (no need to disconnect) and follow the on-screen instructions

Brand:
CTEK - Corporate Logo
ES#:
4492954
Mfg#:
56-925
Back Ordered
$126.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Gasket

ES#2563484 - 079133073M - Throttle Body Gasket - Located between the throttle body and the throttle body adapter - Genuine Volkswagen Audi - Audi

Located between the throttle body and the throttle body adapter

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2563484
Mfg#:
079133073M
Ships in 1 day
13% 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
03-16-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

12v Digital Battery and System Tester

ES#2949738 - SOLBA9 - 12v Digital Battery and System Tester - Great tool for shop or home - Solar - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Great tool for shop or home

Brand:
Solar - Corporate Logo
ES#:
2949738
Mfg#:
SOLBA9
Ships in 6 Business Days
$123.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump O-Ring

ES#3142384 - WHT005184 - High Pressure Fuel Pump O-Ring - Seals the high pressure fuel pump to the cylinder head - Victor Reinz - Audi Volkswagen

Seals the high pressure fuel pump to the cylinder head

Brand:
Victor Reinz - Corporate Logo
ES#:
3142384
Mfg#:
WHT005184
Ships in 1 day
$6.11

This product was last offered at the strikethrough price on
08-26-2026

$5.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - Black

ES#2912692 - 079905377F - Knock Sensor - Black - Keep your engine running smoothly - Genuine Volkswagen Audi - Audi

Keep your engine running smoothly

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2912692
Mfg#:
079905377F
Ships in 7 Business Days
10% off MSRP

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

$134.99

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

$121.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hex Screw - Priced Each

ES#468461 - N10551403 - Hex Screw - Priced Each - Install new hardware with your new parts. M6x55 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x55 Secures the throttle bodies to the intake manifold

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468461
Mfg#:
N10551403
Ships in 1 day
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CT5 Time To Go

Take control of your day.

Brand:
CTEK - Corporate Logo
ES#:
4492818
Mfg#:
40-255
In Stock at Vendor
$118.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump Filter With Vent Tube

ES#3462935 - 8K0201997AL - Leak Detection Pump Filter With Vent Tube - Vent tube assembly with LDP filter - Kayser - Audi

Vent tube assembly with LDP filter

Brand:
Kayser - Corporate Logo
ES#:
3462935
Mfg#:
8K0201997AL
Ships in 1 day
$42.00

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

$37.99 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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