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Audi B5 A4 Quattro V6 12v

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Audi B5 A4 Quattro V6 12v Engine Parts & Accessories

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TITAN GT1 Flex 23 Engine Oil (5w-30) - 5 Liter

ES#3141548 - 5W305LITERF - TITAN GT1 Flex 23 Engine Oil (5w-30) - 5 Liter - Premium Performance, extreme fuel-economy engine oil with optimum cold start ability and outstanding performance reserves - Fuchs - Audi Volkswagen

Premium Performance, extreme fuel-economy engine oil with optimum cold start ability and outstanding performance reserves

Brand:
Fuchs - Corporate Logo
ES#:
3141548
Mfg#:
5W305LITERF
Ships in 1 day
$67.99 USD
Free Shipping
on orders $49 and up

Alternator - 120 Amps

ES#259915 - 078903016H - Alternator - 120 Amps - Brand new, no core charge - Valeo - Audi

Brand new, no core charge We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
259915
Mfg#:
078903016H
Back Ordered
$400.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Filter

ES#252151 - 441201511C - Fuel Filter - Keep your engine running like new - Mahle - Audi Volkswagen

Keep your engine running like new

Brand:
Mahle - Corporate Logo
ES#:
252151
Mfg#:
441201511C
Ships in 1 Business Day
$43.70

This product was last offered at the strikethrough price on
10-16-2026

$39.29 USD
Free Shipping
on orders $49 and up

Thermostatic Sandwich Oil Filter Adapter

ES#4029445 - 034-110-Z003 - Thermostatic Sandwich Oil Filter Adapter - These oil filter adapters are designed to fit between the filter and the engine block. - 034Motorsport - Audi Volkswagen

These oil filter adapters are designed to fit between the filter and the engine block. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with 3/4" thread-on canister style oil filters

Brand:
034Motorsport - Corporate Logo
ES#:
4029445
Mfg#:
034-110-Z003
In Stock
$65.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Washer - Priced Each

ES#465962 - N01155813 - Washer - Priced Each - Install new hardware with your new parts. 8.4x15x1.6 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 8.4x15x1.6 Used in securing the alternator to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465962
Mfg#:
N01155813
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Transmission Mount Kit

ES#2587113 - 8D0399151RKT - Complete Transmission Mount Kit - Includes all mounts and hardware to reduce driveline vibrations - Genuine Volkswagen Audi - Audi Volkswagen

Includes all mounts and hardware to reduce driveline vibrations For automatic transmission vehicles

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2587113
Mfg#:
8D0399151RKT
Back Ordered
$404.99

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

$387.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit - Stage 2

ES#2730878 - 09356KT2 - Ignition Service Kit - Stage 2 - Includes Bosch plug wires, Bosch spark plugs, and a Prenco ignition coil - Assembled By ECS - Audi

Includes Bosch plug wires, Bosch spark plugs, and a Prenco ignition coil 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2730878
Mfg#:
09356KT2
Back Ordered
ON SALE!
$400.99

This product was last offered at the strikethrough price on
10-13-2026

$370.91 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Belly Pan Clip - Priced Each

ES#2628446 - 4A0805163 - Belly Pan Clip - Priced Each - Used in securing the belly pan to the fender liners - Vaico - Audi Volkswagen

Used in securing the belly pan to the fender liners We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2628446
Mfg#:
4A0805163
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor O-Ring

ES#2953981 - 038103196 - Oil Level Sensor O-Ring - Seals oil level sensor to the oil pan - URO - Audi Volkswagen

Seals oil level sensor to the oil pan 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2953981
Mfg#:
038103196
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount - Priced Each

ES#2709917 - 8D0399151R - Transmission Mount - Priced Each - Fits the left and right side - URO - Audi Volkswagen

Fits the left and right side 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709917
Mfg#:
8D0399151R
Ships in 1 Business Day
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Set Of Six (#FR7LDCR+)

ES#603 - Fr7ldcr+/6 - Spark Plug - Set Of Six (#FR7LDCR+) - Old plug part #F7LDCR has been supersceded to new Bosch #FR7LDC+ - Bosch - Audi BMW Volkswagen

Old plug part #F7LDCR has been supersceded to new Bosch #FR7LDC+ We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
603
Mfg#:
FR7LDCR+/6
In Stock
$65.99

This product was last offered at the strikethrough price on
10-13-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Relay - 372

ES#3971010 - 4D0951253 - Fuel Pump Relay - 372 - Keep the fuel pump going - Meyle - Audi

Keep the fuel pump going 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3971010
Mfg#:
4D0951253
Ships in 1 day
$51.99

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

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#2799 - 8D0121251N - Radiator - Keep your cooling system operating properly - Nissens - Audi Volkswagen

Keep your cooling system operating properly We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
2799
Mfg#:
8D0121251N
Ships in 1 Business Day
$174.49

This product was last offered at the strikethrough price on
10-01-2026

$171.55 USD
This product is lifetime replacement eligible Lifetime Replacement

Speed Nut - Priced Each

ES#2872461 - 8D0805960 - Speed Nut - Priced Each - Fits silver colored screws with attached washer - Febi - Audi Volkswagen

Fits silver colored screws with attached washer We Price Match - Give Us A Call or Chat!
Used in securing the belly pan to the vehicle

Brand:
Febi - Corporate Logo
ES#:
2872461
Mfg#:
8D0805960
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rubber Washer - Priced Each

ES#4727687 - 90131A305 - Rubber Washer - Priced Each - Used in securing the belly pan to the vehicle. 5x25x1.50 - Bremmen Parts - Audi Volkswagen

Used in securing the belly pan to the vehicle. 5x25x1.50 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4727687
Mfg#:
90131A305
In Stock
ON SALE!
$1.62

This product was last offered at the strikethrough price on
07-12-2026

$1.51 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner

ES#2187572 - 078903133AB - Accessory Belt Tensioner - Keep your drive belt tight - URO - Audi Volkswagen

Keep your drive belt tight 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2187572
Mfg#:
078903133AB
Ships in 1 Business Day
$37.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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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