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Audi C5 S6 Quattro 4.2 Engine Service & Maintenance Parts

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200 Credits - OBDeleven

ES#4839937 - 024871OBD12 - 200 Credits - OBDeleven - 200 Credits for you to unlock One-Click apps and modify your car! - OBDeleven - Audi BMW Volkswagen MINI

200 Credits for you to unlock One-Click apps and modify your car! These arrive on a scratch-off card with a code for you to activate on your OBDeleven device easily.

Brand:
OBDeleven - Corporate Logo
ES#:
4839937
Mfg#:
024871OBD12
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Relief Flush

ES#2608077 - 040202 - Radiator Relief Flush - Concentrated cleansing agent that effectively cleans your cooling system! - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Concentrated cleansing agent that effectively cleans your cooling system!

Brand:
DEI - Corporate Logo
ES#:
2608077
Mfg#:
040202
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leichtlauf High Tech Engine Oil (5W-40) - 20 Liters

ES#4375825 - 20122 - Leichtlauf High Tech Engine Oil (5W-40) - 20 Liters - Fully synthetic, all-season motor oil for superior performance and long engine life - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Fully synthetic, all-season motor oil for superior performance and long engine life 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4375825
Mfg#:
20122
Ships in 1-2 days
29% off MSRP

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

$315.95

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

$224.99 USD
Free Shipping
on orders $49 and up

Fuel Filter

ES#2562288 - 441201511C - Fuel Filter - Restore fuel mileage and performance - Hengst - Audi Volkswagen
ECS Tuning recommends this product.

Restore fuel mileage and performance 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
2562288
Mfg#:
441201511C
In Stock
$30.99

This product was last offered at the strikethrough price on
04-16-2026

$27.99 USD
Free Shipping
on orders $49 and up

100 Credits - OBDeleven

ES#4839936 - 024871OBD11 - 100 Credits - OBDeleven - 100 Credits for you to unlock One-Click apps and modify your car! - OBDeleven - Audi BMW Volkswagen MINI

100 Credits for you to unlock One-Click apps and modify your car! These arrive on a scratch-off card with a code for you to activate on your OBDeleven device easily.

Brand:
OBDeleven - Corporate Logo
ES#:
4839936
Mfg#:
024871OBD11
In Stock
Limited Qty Sale
$19.99

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

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GT1 PRO C-3 Engine Oil (5w-30) - 5 Liter

ES#4023579 - 80238000488 - GT1 PRO C-3 Engine Oil (5w-30) - 5 Liter - High performance engine oil for passenger vehicles - Fuchs - Audi Volkswagen

High performance engine oil for passenger vehicles

Brand:
Fuchs - Corporate Logo
ES#:
4023579
Mfg#:
80238000488
Ships in 1-2 days
$70.99 USD
Free Shipping
on orders $49 and up

Radiator Stop-Leak - 250mL

ES#3514566 - 20132 - Radiator Stop-Leak - 250mL - Put a stop to that coolant leak! - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Put a stop to that coolant leak! 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514566
Mfg#:
20132
In Stock
29% off MSRP

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

$16.99

This product was last offered at the strikethrough price on
07-24-2026

$11.99 USD
Free Shipping
on orders $49 and up

Ignition Coil Pack Puller

ES#4588969 - IC-04 - Ignition Coil Pack Puller - Remove ignition coils easily, without damaging them - Schwaben - Audi Volkswagen Porsche
ECS Tuning recommends this product.

Remove ignition coils easily, without damaging them 10X Entries For Our 25th Anniversary Sweepstakes!
For push down style coil packs only, does not work on the bolt down style coil packs.

Brand:
Schwaben - Corporate Logo
ES#:
4588969
Mfg#:
IC-04
In Stock
ON SALE! SAVE 35%
$21.99

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

$14.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil Puller - T-Handle

ES#4030619 - CTA7992 - Ignition Coil Puller - T-Handle - Helps remove ignition coils without damage or injury - CTA Tools - Audi Volkswagen Porsche

Helps remove ignition coils without damage or injury For push down style coil packs only, does not work on the bolt down style coil packs.

Brand:
CTA Tools - Corporate Logo
ES#:
4030619
Mfg#:
CTA7992
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Reminder Sticker - Pack Of 10

ES#2808806 - 009012ecs0110KT - Oil Reminder Sticker - Pack Of 10 - Be sure to remind yourself when it will be time to order again from ECS Tuning - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Be sure to remind yourself when it will be time to order again from ECS Tuning 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2808806
Mfg#:
009012ECS0110KT
In Stock
ON SALE! SAVE 25%
$26.99

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

$20.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ContiTech Pro Series Timing Belt Kit

Includes the basics, plus the water pump and hydraulic tensioner

Brand:
Continental - Corporate Logo
ES#:
5457321
Mfg#:
PP297LK3
Ships in 3 Business Days
$403.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Hightec MULTI SYNTH DPF SAE 5W-30 - 5 Liter

ES#5374166 - 20125-0050-99 - Hightec MULTI SYNTH DPF SAE 5W-30 - 5 Liter - Specially developed engine oil based on selected HC synthetic base oils for modern passenger car Otto and diesel engines with exhaust after-treatment (diesel particulate filters) and turbocharging. - ROWE - Audi BMW Volkswagen

Specially developed engine oil based on selected HC synthetic base oils for modern passenger car Otto and diesel engines with exhaust after-treatment (diesel particulate filters) and turbocharging.

Brand:
ROWE - Corporate Logo
ES#:
5374166
Mfg#:
20125-0050-99
Ships in 6 Business Days
$59.99 USD
Free Shipping
on orders $49 and up

Spark Plug Socket 16MM 12 Point Swivel

Use for cars requiring Swivel Spark Plug Socket 16MM or brisk plugs 6 point

Brand:
CTA Tools - Corporate Logo
ES#:
3604875
Mfg#:
CTA4329
In Stock
$24.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CATACLEAN - The Original Science

ES#4147385 - 120007 - CATACLEAN - The Original Science - Patented & EPA approved Complete Engine, Fuel and Exhaust System Cleaner Reduces Emissions and Improves Overall Engine Performance! - CATACLEAN - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Patented & EPA approved Complete Engine, Fuel and Exhaust System Cleaner Reduces Emissions and Improves Overall Engine Performance!

Brand:
CATACLEAN - Corporate Logo
ES#:
4147385
Mfg#:
120007
In Stock
12% off MSRP

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

$32.99

This product was last offered at the strikethrough price on
07-24-2026

$28.99 USD
Free Shipping

Ignition Service Kit

ES#2568390 - 101000054ADKT1 - Ignition Service Kit - Includes eight genuine coils and spark plugs - Genuine Volkswagen Audi - Audi

Includes eight genuine coils and spark plugs

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2568390
Mfg#:
101000054ADKT1
Ships in 5 Business Days
$850.99

This product was last offered at the strikethrough price on
02-23-2026

$739.99 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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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