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Audi B8/B8.5 S4 Quattro 3.0T

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Audi B8/B8.5 S4 Quattro 3.0T Engine Electrical Parts

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IE 3.0T High Pressure Fuel Pump (HPFP) Internal Upgrade Kit - With Install Tool

ES#4642772 - iefuvo1KT - IE 3.0T High Pressure Fuel Pump (HPFP) Internal Upgrade Kit - With Install Tool - IE's HPFP internals upgrade kit for the Audi 3.0TFSI Supercharged engines is perfect for the DIY user looking to upgrade their factory-equipped HPFP pump body with new higher flowing internals - Integrated Engineering - Audi

IE's HPFP internals upgrade kit for the Audi 3.0TFSI Supercharged engines is perfect for the DIY user looking to upgrade their factory-equipped HPFP pump body with new higher flowing internals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4642772
Mfg#:
IEFUVO1KT
In Stock
$508.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor - Priced Each

ES#3419179 - 038906051J - MAP Sensor - Priced Each - Manifold absolute pressure sensor - Bosch - Audi

Manifold absolute pressure sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Located on the front left & right of the supercharger

Brand:
Bosch - Corporate Logo
ES#:
3419179
Mfg#:
038906051J
In Stock
$61.99

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

$39.99 USD
Free Shipping
on orders $49 and up
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 2X Entries For Our 25th Anniversary Sweepstakes!
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

Fuel Pump

ES#4057482 - 8K0919051G - Fuel Pump - Includes sending unit and fuel filter - TYC - Audi

Includes sending unit and fuel filter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
TYC - Corporate Logo
ES#:
4057482
Mfg#:
8K0919051G
In Stock
$168.99

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

$163.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Seal - Priced Each

ES#4727593 - 06E145272C - Throttle Body Seal - Priced Each - Seals the throttle body adapter plate on each side - Elring - Audi

Seals the throttle body adapter plate on each side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4727593
Mfg#:
06E145272C
In Stock
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil Pack Puller For Push Down Type

ES#240943 - IC-03 - Ignition Coil Pack Puller For Push Down Type - Remove ignition coils easily, without damaging them - Schwaben - Audi Volkswagen Porsche
ECS Tuning recommends this product.

Remove ignition coils easily, without damaging them affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
240943
Mfg#:
IC-03
In Stock
ON SALE! SAVE 25%
$29.99

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

$22.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#2718641 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Febi - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2718641
Mfg#:
06A919501A
In Stock at Vendor
$17.79

This product was last offered at the strikethrough price on
07-06-2026

$10.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#3478629 - 03C907660H - Oil Level Sensor - Mounted on the bottom of the oil pan - Hamburg Tech - Audi

Mounted on the bottom of the oil pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to the 2012 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
3478629
Mfg#:
03C907660H
In Stock
$55.99 USD
Free Shipping
on orders $49 and up

Spark Plugs - Set Of Six

ES#2539202 - 101905611G-6 - Spark Plugs - Set Of Six - Keep your engine running strong - Genuine Volkswagen Audi - Audi

Keep your engine running strong affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models that came with factory NGK plugs

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2539202
Mfg#:
101905611G-6
In Stock
$119.99 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

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 2X Entries For Our 25th Anniversary Sweepstakes!
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

Engine Wiring Harness

ES#2680886 - 8K1971072ST - Engine Wiring Harness - Complete harness for the engine - Genuine Volkswagen Audi - Audi

Complete harness for the engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For manual transmission vehicles from the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2680886
Mfg#:
8K1971072ST
Special Order: No Guaranteed ETA
5% off MSRP

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

$2845.99

This product was last offered at the strikethrough price on
07-06-2026

$2701.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coils - Set Of Six

ES#2162796 - 06E898003 - Ignition Coils - Set Of Six - Restore performance and clear misfire codes - NFIS Original Equipment - Audi

Restore performance and clear misfire codes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NFIS Original Equipment - Corporate Logo
ES#:
2162796
Mfg#:
06E898003
In Stock
$191.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

A/C Pressure Switch

ES#4145078 - 4H0959126B - A/C Pressure Switch - Prevents excess pressure from building within the system - Mahle - Audi

Prevents excess pressure from building within the system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle - Corporate Logo
ES#:
4145078
Mfg#:
4H0959126B
Ships in 1 Business Day
$80.99

This product was last offered at the strikethrough price on
03-06-2026

$73.99 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#4460500 - 3D0973703-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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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#:
4460500
Mfg#:
3D0973703-KIT
In Stock
ON SALE! SAVE 25%
$24.99

This product was last offered at the strikethrough price on
06-13-2026

$18.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#4046596 - 05C919501 - Coolant Temperature Sensor - Monitors coolant temperature for fan control & gauge readings - Genuine Volkswagen Audi - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4046596
Mfg#:
05C919501
Ships Today
3% off MSRP

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

$31.99

This product was last offered at the strikethrough price on
07-06-2026

$30.99 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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