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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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Fuel Pump Seal

ES#393131 - 4F0919133B - Fuel Pump Seal - Located between the union nut and the plastic ring - Genuine Volkswagen Audi - Audi

Located between the union nut and the plastic ring

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
393131
Mfg#:
4F0919133B
In Stock at Vendor
19% off MSRP

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

$41.99

This product was last offered at the strikethrough price on
04-17-2026

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Sending Unit - Rear

ES#452323 - 8K0919673A - Fuel Tank Sending Unit - Rear - Fuel level gauge for the fuel tank - Genuine Volkswagen Audi - Audi

Fuel level gauge for the fuel tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452323
Mfg#:
8K0919673A
Ships in 2 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.

$286.99

This product was last offered at the strikethrough price on
07-20-2026

$262.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coils - Set Of Eight

ES#2538571 - 06E905115EKT8 - Ignition Coils - Set Of Eight - A common cure for misfire codes - NFIS Original Equipment - Audi

A common cure for misfire codes

Brand:
NFIS Original Equipment - Corporate Logo
ES#:
2538571
Mfg#:
06E905115EKT8
Ships in 1-2 days
$255.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Schwaben Digital Circuit Tester With Test Probes

ES#3979351 - 029054SCH01A - Schwaben Digital Circuit Tester With Test Probes - Circuit tester for 6-24 Volt systems! - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Circuit tester for 6-24 Volt systems! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
3979351
Mfg#:
029054SCH01A
Ships on Jan 12, 2027
ON SALE!
$37.99

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

$36.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Gasket

ES#4626767 - 079133073G - Throttle Body Gasket - Located on the throttle body at the bottom of the intake manifold. - Elring - Audi

Located on the throttle body at the bottom of the intake manifold. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4626767
Mfg#:
079133073G
In Stock
$17.99

This product was last offered at the strikethrough price on
03-26-2026

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

CTEK Comfort Connect Extension Cable

Length: 8.2 ft

Brand:
CTEK - Corporate Logo
ES#:
4492941
Mfg#:
56-304
In Stock at Vendor
$28.49 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 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#:
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

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

GENIUS 6V / 12V 5 Amp Battery Charger - NOCO

ES#4031177 - GENIUS5 - GENIUS 6V / 12V 5 Amp Battery Charger - NOCO - Meet the GENIUS5 - Similar to the G3500, just better. It's 34% smaller and delivers 65% more power. And it's simpler and easier to use than ever before. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Meet the GENIUS5 - Similar to the G3500, just better. It's 34% smaller and delivers 65% more power. And it's simpler and easier to use than ever before.

Brand:
NOCO - Corporate Logo
ES#:
4031177
Mfg#:
GENIUS5
Ships in 8 Business Days
22% off MSRP

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

$89.99

This product was last offered at the strikethrough price on
07-20-2026

$69.99 USD
Free Shipping
on orders $49 and up

CTEK Bumper

ES#4492822 - 56-915 - CTEK Bumper - Don't scratch your paint with your battery tender. - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Don't scratch your paint with your battery tender.

Brand:
CTEK - Corporate Logo
ES#:
4492822
Mfg#:
56-915
In Stock at Vendor
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GENIUS 4 Bank 6V / 12V 8 Amp Battery Charger - NOCO

ES#4364629 - GENIUS2X4 - GENIUS 4 Bank 6V / 12V 8 Amp Battery Charger - NOCO - Similar to the G4, just better. It's 40% smaller and delivers 140% more power. It's the all-in-one 4-bank solution - battery charger, battery maintainer, trickle charger, plus battery desulfator. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Similar to the G4, just better. It's 40% smaller and delivers 140% more power. It's the all-in-one 4-bank solution - battery charger, battery maintainer, trickle charger, plus battery desulfator.

Brand:
NOCO - Corporate Logo
ES#:
4364629
Mfg#:
GENIUS2X4
Ships in 8 Business Days
20% off MSRP

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

$249.99

This product was last offered at the strikethrough price on
07-20-2026

$199.99 USD
Free Shipping
on orders $49 and up

Boost HD UltraSafe Lithium 2000 Amp Jump Starter - NOCO

ES#4055329 - NOCGB70 - Boost HD UltraSafe Lithium 2000 Amp Jump Starter - NOCO - This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 8.0L engine or less and diesel vehicles up to 6.0L, up to 40 times on a single charge. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 8.0L engine or less and diesel vehicles up to 6.0L, up to 40 times on a single charge.

Brand:
NOCO - Corporate Logo
ES#:
4055329
Mfg#:
NOCGB70
Ships in 8 Business Days
20% off MSRP

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

$249.99

This product was last offered at the strikethrough price on
07-20-2026

$199.99 USD
Free Shipping
on orders $49 and up

GENIUS 3 Bank 12V 15 Amp On-Board Battery Charger - NOCO

A three-bank onboard battery charger rated at 15-amps (5-amps per bank) for 12-volt batteries, including marine, boat, starter, and deep-cycle batteries.

Brand:
NOCO - Corporate Logo
ES#:
4355164
Mfg#:
GEN5X3
Ships in 8 Business Days
20% off MSRP

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

$249.95

This product was last offered at the strikethrough price on
07-20-2026

$199.94 USD
Free Shipping
on orders $49 and up

High Flow Fuel Pump - 270 LPH

ES#4760097 - 0580254044 - High Flow Fuel Pump - 270 LPH - Great for when more fuel is needed in a custom fueling application - Hamburg Tech - Audi Volkswagen

Great for when more fuel is needed in a custom fueling application We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4760097
Mfg#:
0580254044
Ships in 3 Business Days
$99.95 USD
Free Shipping
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

Camshaft adjustment valve (N205)

ES#3234812 - 06E109257J - Camshaft adjustment valve (N205) - Valve that controls cam adjustment - Gates - Audi Volkswagen

Valve that controls cam adjustment

Brand:
Gates - Corporate Logo
ES#:
3234812
Mfg#:
06E109257J
Ships on Aug 7, 2026
$185.99 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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