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Audi B8/B8.5 S5 Quattro V8 4.2L

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Audi B8/B8.5 S5 Quattro V8 4.2L Engine Electrical Parts

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Sensor Retaining Clip - Priced Each

ES#2865558 - 025121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Febi - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865558
Mfg#:
025121142
Ships on Oct 20, 2026
Auto Notify
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hi/Low Volt Circuit Tester

ES#4336943 - CTA3022 - Hi/Low Volt Circuit Tester - Tests high voltage in spark plugs, plug wires and distributor caps - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Tests high voltage in spark plugs, plug wires and distributor caps

Brand:
CTA Tools - Corporate Logo
ES#:
4336943
Mfg#:
CTA3022
Ships on Aug 6, 2026
$7.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#2813031 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Hamburg Tech - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813031
Mfg#:
06A919501A
Ships in 1 Business Day
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#2800919 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Meistersatz - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings

Brand:
Meistersatz - Corporate Logo
ES#:
2800919
Mfg#:
06A919501A
Ships in 3 Business Days
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump O-Ring

ES#4145073 - WHT005184 - High Pressure Fuel Pump O-Ring - Seals the high pressure fuel pump to the cylinder head - SMP - Audi Volkswagen

Seals the high pressure fuel pump to the cylinder head

Brand:
SMP - Corporate Logo
ES#:
4145073
Mfg#:
WHT005184
Ships in 1 Business Day
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Sender

ES#2678327 - 079919081 - Oil Pressure Sender - Senses engine oil pressure for the gauge and ECU - FAE - Audi

Senses engine oil pressure for the gauge and ECU

Brand:
FAE - Corporate Logo
ES#:
2678327
Mfg#:
079919081
Ships in 1 day
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wire With Terminals For 90 Degree 6 Pin Bulkhead - Green

ES#4882992 - 201-0361-GRN - Wire With Terminals For 90 Degree 6 Pin Bulkhead - Green - Purchase the wires you need for your electrical bulkhead fitting here. Featuring FEP wire pre-cut to 24" 18 Gauge wire with the appropriate terminal pre-crimped and ready to install! - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz

Purchase the wires you need for your electrical bulkhead fitting here. Featuring FEP wire pre-cut to 24" 18 Gauge wire with the appropriate terminal pre-crimped and ready to install!

Brand:
Precision Raceworks - Corporate Logo
ES#:
4882992
Mfg#:
201-0361-GRN
Ships in 9 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump O-Ring

ES#5340859 - 03C127311 - High Pressure Fuel Pump O-Ring - Seals the high pressure fuel pump to the cylinder head. 31x2mm - Elring - Audi Volkswagen

Seals the high pressure fuel pump to the cylinder head. 31x2mm 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5340859
Mfg#:
03C127311
Ships on Aug 13, 2026
Auto Notify
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Tie Wrap With Socket - 4.6x160mm

ES#318941 - 1K0971818 - Tie Wrap With Socket - 4.6x160mm - For 6.5mm holes with 0.6-1.8mm sheet metal thickness - Genuine Volkswagen Audi - Audi Volkswagen

For 6.5mm holes with 0.6-1.8mm sheet metal thickness

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
318941
Mfg#:
1K0971818
In Stock
8% off MSRP

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

$1.08

This product was last offered at the strikethrough price on
07-21-2026

$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump - Left

ES#5388507 - 079127025AF - High Pressure Fuel Pump - Left - Located on the left valve cover - Scratch & Dent - Audi Volkswagen

Located on the left valve cover ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5388507
Mfg#:
079127025AF
In Stock
ON SALE! SAVE 34%
$288.99

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

$191.00 USD
Free Shipping
on orders $49 and up

CTEK D250SE

With award-winning Swedish technology, the dual input D250SE allows you to enjoy your vehicle more

Brand:
CTEK - Corporate Logo
ES#:
4492942
Mfg#:
40-315
In Stock
Limited Qty Sale
$569.99

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

$515.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rennline OE+ Upgraded Ignition Coil - Set Of 8

ES#4940218 - M127KT4 - Rennline OE+ Upgraded Ignition Coil - Set Of 8 - Regain power loss & fuel economy from worn or failed ignition coils! - Rennline - Audi

Regain power loss & fuel economy from worn or failed ignition coils!

Brand:
Rennline - Corporate Logo
ES#:
4940218
Mfg#:
M127KT4
Ships in 5 Business Days
$384.00 USD
Free Shipping
on orders $49 and up

SuperDuper Charger Throttle Body Adapter

SuperDuper Charger Throttle Body Adapter included in the SuperDuper S34 Insuction Bundle This kit includes the Cast throttle body adapter ONLY, Purchase this kit if you already have an 84MM VDO Throttle body & S34 Intake System

Brand:
034Motorsport - Corporate Logo
ES#:
4858206
Mfg#:
034-108-1901
Ships in 2 Business Days
$380.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IP High Performance Ignition Coil Set - 4.2L

4X more spark energy than stock coils!

Brand:
Ignition Projects - Corporate Logo
ES#:
4389447
Mfg#:
IP-A121806
Ships in 5 Business Days
$1195.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

Keep your engine running smooth

Brand:
NGK - Corporate Logo
ES#:
5480850
Mfg#:
06E905115E
In Stock at Vendor
$45.99 USD

Rennline Universal Battery Mount Kit Odyssey 680

Switch, remote pull, and battery are not included with this or any of the kits.

Brand:
Rennline - Corporate Logo
ES#:
2839917
Mfg#:
EL4137
Ships in 5 Business Days
$149.00 USD
Free Shipping
on orders $49 and up

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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