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Audi C5 A6 Quattro 4.2

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Audi C5 A6 Quattro 4.2 Engine Service & Maintenance Parts

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4.2 Performance Ignition Service Kit

ES#5338631 - 056059LA088ISKT - 4.2 Performance Ignition Service Kit - Featuring ECS Performance Ignition Coils & OEM NGK platinum-core spark plugs for increased spark energy! - ECS - Audi

Featuring ECS Performance Ignition Coils & OEM NGK platinum-core spark plugs for increased spark energy! 10X Entries Into Our F80 M3 Sweepstakes
For Vehicles with Engine Codes ART and AWN (Bolt-In Style Ignition Coils)

Brand:
ECS - Corporate Logo
ES#:
5338631
Mfg#:
056059LA088ISKT
In Stock
ON SALE! SAVE 15%
$365.99

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

$311.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMC Filter Cleaning Kit

ES#3088918 - WA250-500 - BMC Filter Cleaning Kit - Includes cleaner and re-oil additive - BMC - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes cleaner and re-oil additive

Brand:
BMC - Corporate Logo
ES#:
3088918
Mfg#:
WA250-500
In Stock
$24.99 USD
Free Shipping
on orders $49 and up

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

Feeler Gauge Set

ES#2804279 - 8568A11 - Feeler Gauge Set - Feel thickness gauge, .002-.025 inch thickness - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Feel thickness gauge, .002-.025 inch thickness 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2804279
Mfg#:
8568A11
In Stock
ON SALE!
$22.79 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

OBDeleven 2 + 500 Credit Pack

ES#4623499 - 024871OBD05 - OBDeleven 2 + 500 Credit Pack - The professional Volkswagen Group (VAG) and BMW/MINI diagnostic tool. Supported by Android and iOS mobile systems, 18x faster processor, and sleek minimalistic design. Includes 500 credits to spend unlocking your car's hidden features! - OBDeleven - Audi BMW Volkswagen MINI

The professional Volkswagen Group (VAG) and BMW/MINI diagnostic tool. Supported by Android and iOS mobile systems, 18x faster processor, and sleek minimalistic design. Includes 500 credits to spend unlocking your car's hidden features! Includes 500 credits for use with One-Click Apps! Does NOT include any PRO Plan. See bottom of description for info on how to redeem.

Brand:
OBDeleven - Corporate Logo
ES#:
4623499
Mfg#:
024871OBD05
Ships on Dec 4, 2026
$145.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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 5X Entries Into Our F80 M3 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
$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
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

500 Credits - OBDeleven

ES#4839938 - 024871OBD13 - 500 Credits - OBDeleven - 500 Credits for you to unlock One-Click apps and modify your car! - OBDeleven - Audi BMW Volkswagen MINI

500 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#:
4839938
Mfg#:
024871OBD13
In Stock
Limited Qty Sale
$76.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

10"x12" Shop Towels - Box of 200

ES#2944007 - KIM75190 - 10"x12" Shop Towels - Box of 200 - Center-pull box, 200 sheets per box of multi-purpose shop towels - Kimberly Clark - Audi BMW Volkswagen MINI Porsche

Center-pull box, 200 sheets per box of multi-purpose shop towels

Brand:
Kimberly Clark - Corporate Logo
ES#:
2944007
Mfg#:
KIM75190
Ships in 4 Business Days
$38.99 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 Into Our F80 M3 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

Spark Plug Socket 16MM 12 Point Swivel

ES#3604875 - CTA4329 - Spark Plug Socket 16MM 12 Point Swivel - Use for cars requiring Swivel Spark Plug Socket 16MM or brisk plugs 6 point - CTA Tools - Audi BMW Volkswagen MINI Porsche

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

Sealing Washer - Priced Each

ES#466241 - N0138128 - Sealing Washer - Priced Each - Install new hardware with your new parts. 12x15.5x1.5 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 12x15.5x1.5 Seals the banjo fitting on the supply line from the fuel filter to the engine - Two required

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466241
Mfg#:
N0138128
In Stock
$4.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Timing Belt Kit - Ultimate Plus With Gates Racing Timing Belt

ES#2569871 - 078109119JKT4 - ECS Tuning Timing Belt Kit - Ultimate Plus With Gates Racing Timing Belt - Looking for the best timing belt kit on the market? Look no further than ECS Tuning - Assembled By ECS - Audi

Looking for the best timing belt kit on the market? Look no further than ECS Tuning 10X Entries Into Our F80 M3 Sweepstakes
From VIN#1-105001 - split is in model year 2001

Brand:
Assembled By ECS - Corporate Logo
ES#:
2569871
Mfg#:
078109119JKT4
Back Ordered
ON SALE!
$735.31

This product was last offered at the strikethrough price on
07-31-2026

$706.79 USD
Free Shipping
This product is lifetime replacement eligible Partial 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
11-02-2026

$28.99 USD
Free Shipping

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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