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Audi D4 A8 Quattro 3.0 TDI

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Audi D4 A8 Quattro 3.0 TDI Engine Electrical Parts

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340lph High Flow In-Tank Fuel Pump (e85 Compatible)

ES#3691421 - 50-1200 - 340lph High Flow In-Tank Fuel Pump (e85 Compatible) - AEMs 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity characteristics of ethanol and methanol fuels - AEM Electronics - Audi Volkswagen

AEM’s 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity characteristics of ethanol and methanol fuels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This is a general-use high flow fuel pump, not a direct plug-and-play swap in most application

Brand:
AEM Electronics - Corporate Logo
ES#:
3691421
Mfg#:
50-1200
In Stock
$145.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Glow Plug - Priced Each

ES#4910740 - 03L905061M - Glow Plug - Priced Each - Includes pressure sensor - Genuine Volkswagen Audi - Audi Volkswagen

Includes pressure sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Total of 1 required

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4910740
Mfg#:
03L905061M
In Stock
4% off MSRP

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

$166.67

This product was last offered at the strikethrough price on
02-24-2026

$160.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GB500+ Max UltraSafe Lithium 6250 Amp Jump Starter - NOCO

ES#4336379 - GB500 - GB500+ Max UltraSafe Lithium 6250 Amp Jump Starter - NOCO - This powerful 12V and 24V jump starter is suitable for nearly all cases - including diesel engines up to 45 liters and equipment up to 16 cylinders - or use it in your garage for all of your needs! - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This powerful 12V and 24V jump starter is suitable for nearly all cases - including diesel engines up to 45 liters and equipment up to 16 cylinders - or use it in your garage for all of your needs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4336379
Mfg#:
GB500
Back Ordered
20% off MSRP

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

$2499.99

This product was last offered at the strikethrough price on
06-04-2026

$1999.99 USD
Free Shipping

7/8"(22mm) Flexible Oxygen Sensor Wrench

ES#240942 - FO-78 - 7/8"(22mm) Flexible Oxygen Sensor Wrench - The proper tool to remove difficult-to-reach oxygen sensors - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

The proper tool to remove difficult-to-reach oxygen sensors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
240942
Mfg#:
FO-78
Ships on Jun 23, 2026
Auto Notify
ON SALE! SAVE 30%
$48.99

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

$34.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Optima YELLOWTOP High Performance AGM Battery - H6

ES#3639387 - 9048-148 - Optima YELLOWTOP High Performance AGM Battery - H6 - Upgrade to the true dual purpose heavy duty battery with a longer life span - Optima - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade to the true dual purpose heavy duty battery with a longer life span affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
Optima - Corporate Logo
ES#:
3639387
Mfg#:
9048-148
Ships in 4 Business Days
$468.99 USD
This product is lifetime replacement eligible Lifetime Replacement

CTEK Battery Charger - MXS 5.0 4.3 Amp 12 Volt

ES#4465086 - CTEK40-206 - CTEK Battery Charger - MXS 5.0 4.3 Amp 12 Volt - Fully automatic microprocessor controlled charger with built-in automatic temperature sensor - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Fully automatic microprocessor controlled charger with built-in automatic temperature sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTEK - Corporate Logo
ES#:
4465086
Mfg#:
CTEK40-206
In Stock
$113.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump

ES#2576362 - 059130755CD - High Pressure Fuel Pump - Fuel pump located on top of the engine - Genuine Volkswagen Audi - Audi Porsche

Fuel pump located on top of the engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2576362
Mfg#:
059130755CD
Ships in 3 Business Days
6% off MSRP

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

$1430.99

This product was last offered at the strikethrough price on
02-26-2026

$1345.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bosch 044 High Flow Fuel Pump - 270 LPH

ES#514125 - 0580254044 - Bosch 044 High Flow Fuel Pump - 270 LPH - Great for when more fuel is needed in a custom fueling application - Bosch - Audi Volkswagen

Great for when more fuel is needed in a custom fueling application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
514125
Mfg#:
0580254044
In Stock
$230.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Multi-Pump Fuel Surge Tank (MPFST)

ES#4820337 - 20-1440 - Multi-Pump Fuel Surge Tank (MPFST) - Pump Compatibility with Walbro GSS342, AEM 50-1200, Deatschwerks DW440 - Radium Engineering - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pump Compatibility with Walbro GSS342, AEM 50-1200, Deatschwerks DW440 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Radium Engineering - Corporate Logo
ES#:
4820337
Mfg#:
20-1440
In Stock at Vendor
$549.99 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 Nov 27, 2026
$227.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#2895025 - 07L905163C - Camshaft Position Sensor - Located in the cylinder head - Vemo - Audi Volkswagen Porsche

Located in the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2895025
Mfg#:
07L905163C
In Stock at Vendor
$39.99

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

$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 4-Wire Oxygen Sensor - Priced Each

ES#2532224 - 15733 - Universal 4-Wire Oxygen Sensor - Priced Each - Four wire universal OBD-II Oxygen sensor - Bosch - Audi BMW Volkswagen

Four wire universal OBD-II Oxygen sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2532224
Mfg#:
15733
In Stock
$82.99

This product was last offered at the strikethrough price on
02-16-2026

$74.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport

ES#3673911 - B8800066 - Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport - Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673911
Mfg#:
B8800066
Ships on Aug 10, 2026
Auto Notify
ON SALE! SAVE 25%
$49.99

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

$37.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#3438068 - 03C907660AA - Oil Level Sensor - Located on the engine oil pan - Hella - Audi Volkswagen

Located on the engine oil pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hella - Corporate Logo
ES#:
3438068
Mfg#:
03C907660AA
In Stock
$126.92

This product was last offered at the strikethrough price on
04-20-2026

$93.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Glow Plug - Priced Each

ES#4616015 - 059963319AB - Glow Plug - Priced Each - Is your diesel hard to start in cold weather? - Bosch - Audi Volkswagen

Is your diesel hard to start in cold weather? affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Total of 5 required

Brand:
Bosch - Corporate Logo
ES#:
4616015
Mfg#:
059963319AB
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Tool - 22mm

ES#3673912 - B8800067 - Oxygen Sensor Tool - 22mm - 1/2" Drive - 7/8" x 6" - Extra Long - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

1/2" Drive - 7/8" x 6" - Extra Long affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673912
Mfg#:
B8800067
Ships on Aug 10, 2026
Auto Notify
ON SALE! SAVE 20%
$29.99

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

$23.99 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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