Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

Audi C5 A6 Quattro 4.2

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi C5 A6 Quattro 4.2
Your Vehicle Audi C5 A6 Quattro 4.2
Change Clear

Audi C5 A6 Quattro 4.2 Engine Service & Maintenance Parts

Sort By
Filter By
Return to Top

PNP Ethanol Sensor Harness For Motiv Re|Flex Plus

ES#4882977 - 201-0410 - PNP Ethanol Sensor Harness For Motiv Re|Flex Plus - This Plug-n-Play Ethanol Sensor Harness from Precision Raceworks is certified by Motiv and directly compatible with the ReFlex+. - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz

This Plug-n-Play Ethanol Sensor Harness from Precision Raceworks is certified by Motiv and directly compatible with the ReFlex+.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4882977
Mfg#:
201-0410
Ships in 8 Business Days
$49.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil (0w-40) - Case Of 12 Quarts

ES#2996955 - 11104KT - Engine Oil (0w-40) - Case Of 12 Quarts - Stock up and save! - A fully synthetic ester formula that offers excellent wear protection across a wide range of operating conditions - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Stock up and save! - A fully synthetic ester formula that offers excellent wear protection across a wide range of operating conditions

Brand:
Redline - Corporate Logo
ES#:
2996955
Mfg#:
11104KT
Ships on Oct 6, 2026
$218.99 USD
Free Shipping

Oil Drain Plug

ES#2785600 - N90813202 - Oil Drain Plug - Includes crush washer. M14x1.5 - URO - Audi Volkswagen

Includes crush washer. M14x1.5 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2785600
Mfg#:
N90813202
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Timing Belt Kit - Ultimate

ES#6196 - 077198502 - ECS Tuning Timing Belt Kit - Ultimate - Everything you need for a complete timing belt job. Buy it all together & save. - Assembled By ECS - Audi

Everything you need for a complete timing belt job. Buy it all together & save. 10X Entries Into Our F80 M3 Sweepstakes
Up to VIN 1-105,000, split is in the 2001 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
6196
Mfg#:
077198502
Back Ordered
ON SALE!
$457.71

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

$431.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2897353 - 1K0998262AB - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Vemo - Audi Volkswagen

Keep your engine running efficiently For the left and right side

Brand:
Vemo - Corporate Logo
ES#:
2897353
Mfg#:
1K0998262AB
Ships in 1 Business Day
$160.99

This product was last offered at the strikethrough price on
06-11-2026

$142.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Truck Series Oil Treatment - 500ml / 16.9oz

ES#3999021 - 20256 - Truck Series Oil Treatment - 500ml / 16.9oz - Engine Armor with MoS2 - Reduces friction and engine wear - Treats up to 7 Liters / 7.4 Quarts of Engine Oil - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Engine Armor with MoS2 - Reduces friction and engine wear - Treats up to 7 Liters / 7.4 Quarts of Engine Oil 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3999021
Mfg#:
20256
In Stock
35% off MSRP

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

$22.99

This product was last offered at the strikethrough price on
06-08-2026

$14.99 USD
Free Shipping
on orders $49 and up

Spark Plug - Set Of Eight (#FGR7KQE0)

ES#4539 - FGR7KQEO-8 - Spark Plug - Set Of Eight (#FGR7KQE0) - Keep your engine running strong with copper core spark plugs - Bosch - Audi Volkswagen

Keep your engine running strong with copper core spark plugs We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4539
Mfg#:
FGR7KQEO-8
In Stock
$103.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Purple Ice - 12oz

ES#2793046 - 01600 - Purple Ice - 12oz - High performance coolant conditioner - Royal Purple - Audi BMW Volkswagen Mercedes Benz MINI Porsche

High performance coolant conditioner

Brand:
Royal Purple - Corporate Logo
ES#:
2793046
Mfg#:
01600
Ships in 5 Business Days
$12.99 USD
Free Shipping
on orders $49 and up

Ignition Coils - Set Of Eight

ES#4316384 - 06B905115EKT8 - Ignition Coils - Set Of Eight - A common cure for misfire codes - Hella - Audi

A common cure for misfire codes

Brand:
Hella - Corporate Logo
ES#:
4316384
Mfg#:
06B905115EKT8
Ships on Jan 14, 2027
$391.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

THINKOBD 100

ES#4376517 - 301050512 - THINKOBD 100 - This THINKOBD 100 obd2 car code reader can fast scan and clear trouble codes, even a beginner can use this unit to read the error code. - THINKCAR - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This THINKOBD 100 obd2 car code reader can fast scan and clear trouble codes, even a beginner can use this unit to read the error code.

Brand:
THINKCAR - Corporate Logo
ES#:
4376517
Mfg#:
301050512
Ships in 1 Business Day
14% off MSRP

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

$34.99

This product was last offered at the strikethrough price on
09-18-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Edge European Formula 5W-30 - 1 Quart

ES#3478521 - 06037 - Edge European Formula 5W-30 - 1 Quart - Meets Volkswagen & Audi 502.00/505 00 specification - Castrol - Audi Volkswagen

Meets Volkswagen & Audi 502.00/505 00 specification

Brand:
Castrol - Corporate Logo
ES#:
3478521
Mfg#:
06037
In Stock
$21.73 USD
Free Shipping
on orders $49 and up

13 Piece Spark Plug Socket Master Set

ES#4044435 - SPM100 - 13 Piece Spark Plug Socket Master Set - The only spark plug socket set you will ever need. - VIM Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The only spark plug socket set you will ever need.

Brand:
VIM Tools - Corporate Logo
ES#:
4044435
Mfg#:
SPM100
Ships in 9 Business Days
$122.75 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Schwaben Remote Starter Switch

ES#2840947 - 010611SCH01A - Schwaben Remote Starter Switch - No assistant needed, crank the engine from outside of the car - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

No assistant needed, crank the engine from outside of the car 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2840947
Mfg#:
010611SCH01A
Ships on Mar 12, 2027
ON SALE!
$41.99

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

$40.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Filter

ES#587 - C26168 - Air Filter - Keep clean air running through your engine - Mann - Audi Volkswagen

Keep clean air running through your engine

Brand:
Mann - Corporate Logo
ES#:
587
Mfg#:
C26168
In Stock
$15.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coils - Set Of Eight

ES#2538910 - 06B905115E - Ignition Coils - Set Of Eight - A common cure for misfire codes - Beru - Audi

A common cure for misfire codes

Brand:
Beru - Corporate Logo
ES#:
2538910
Mfg#:
06B905115E
Ships in 1 Business Day
$460.99

This product was last offered at the strikethrough price on
04-09-2026

$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Service & Maintenance Parts

An ounce of prevention improves engine reliability and heads off big-ticket repairs. On average, the modest cost or periodic maintenance pays handsome rewards. Plan now to put your car on a regular schedule that includes fluid and filter changes, inspections, and recommended service.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings