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Audi B9 A4 Quattro 2.0T

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Audi B9 A4 Quattro 2.0T Engine Service & Maintenance Parts

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Foxwell I70BT NEW Next Generation Diagnostic Tablet

ES#4736529 - i70BTFOX - Foxwell I70BT NEW Next Generation Diagnostic Tablet - Wireless connection, bi-directional control, and better hand-feel set the i70BT apart from the i70 module while maintaining the affordable cost for enthusiasts. - Schwaben by Foxwell - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Wireless connection, bi-directional control, and better hand-feel set the i70BT apart from the i70 module while maintaining the affordable cost for enthusiasts.

Brand:
Schwaben by Foxwell - Corporate Logo
ES#:
4736529
Mfg#:
I70BTFOX
In Stock
ON SALE! SAVE 25%
$479.99

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

$359.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat/Water Pump Kit - With Belt

ES#5425238 - 06L121111J - Thermostat/Water Pump Kit - With Belt - Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and belt. - Bremmen Parts - Audi Volkswagen Porsche

Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and belt. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5425238
Mfg#:
06L121111J
In Stock
$270.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Top Tec 4210 Synthetic Engine Oil (0w-30) - 5 Liter

ES#4339884 - 22158 - Top Tec 4210 Synthetic Engine Oil (0w-30) - 5 Liter - Fully synthetic, low-viscosity and low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications - Liqui-Moly - Audi BMW Volkswagen Porsche

Fully synthetic, low-viscosity and low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4339884
Mfg#:
22158
In Stock
37% off MSRP

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

$100.99

This product was last offered at the strikethrough price on
08-20-2026

$63.59 USD
Free Shipping
on orders $49 and up

APR Upgraded Ignition Coils - Blue - Set Of Four

ES#4164383 - MS100204-4KT - APR Upgraded Ignition Coils - Blue - Set Of Four - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi Volkswagen

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4164383
Mfg#:
MS100204-4KT
EO#:
D-783-5
In Stock
$211.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4033282 - ms100192kt3KT - Performance Ignition Service Kit - Features APR Upgraded Ignition Coils and Brisk Silver Racing ER12s plugs, ensuring a stronger and more consistent spark! - Assembled By ECS - Audi Volkswagen

Features APR Upgraded Ignition Coils and Brisk Silver Racing ER12s plugs, ensuring a stronger and more consistent spark! 10X Entries For Our 25th Anniversary Sweepstakes!
CARB certified for sale in all 50 states

Brand:
Assembled By ECS - Corporate Logo
ES#:
4033282
Mfg#:
MS100192KT3KT
EO#:
D-783-5
In Stock
$264.25 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cera Tec Oil Additive

ES#2788486 - 20002 - Cera Tec Oil Additive - Performance additive for longevity of metal engine/transmission components. 300mL - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Performance additive for longevity of metal engine/transmission components. 300mL 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
2788486
Mfg#:
20002
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.

$54.99

This product was last offered at the strikethrough price on
08-20-2026

$38.99 USD
Free Shipping
on orders $49 and up

RS Ignition Service Kit

ES#3691929 - 06h905110lkt3 - RS Ignition Service Kit - Add 8V RS3/B9 S4 spark with these red top coil packs and RS7 spark plugs for the ultimate ignition service kit for your 1.8T/2.0T Gen3 engine! - Assembled By ECS - Audi Volkswagen

Add 8V RS3/B9 S4 spark with these red top coil packs and RS7 spark plugs for the ultimate ignition service kit for your 1.8T/2.0T Gen3 engine! 10X Entries For Our 25th Anniversary Sweepstakes!
1 heat range colder than OE plug

Brand:
Assembled By ECS - Corporate Logo
ES#:
3691929
Mfg#:
06H905110LKT3
In Stock
ON SALE!
$242.20

This product was last offered at the strikethrough price on
04-27-2026

$235.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Extended 5/8" (16mm) Magnetic Spark Plug Socket

ES#9340 - S-3858-125 - Extended 5/8" (16mm) Magnetic Spark Plug Socket - The perfect tool for deeply recessed 5/8-inch spark plugs - Schwaben - Audi BMW Volkswagen MINI Porsche
ECS Tuning recommends this product.

The perfect tool for deeply recessed 5/8-inch spark plugs 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
9340
Mfg#:
S-3858-125
In Stock
ON SALE! SAVE 25%
$25.99

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

$19.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Iridium Pro Spark Plug - Set Of Four

ES#4616188 - z1003100-4KT - APR Iridium Pro Spark Plug - Set Of Four - An excellent upgrade for tuned engines. 14X26.5X16mm - Heat Range 9 - APR - Audi Volkswagen Porsche

An excellent upgrade for tuned engines. 14X26.5X16mm - Heat Range 9 Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4616188
Mfg#:
Z1003100-4KT
Back Ordered
Auto Notify
$127.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

G13 Coolant - 5 Liter (1.32 Gallons)

ES#2748904 - G013A8J1G - G13 Coolant - 5 Liter (1.32 Gallons) - Lilac Pentofrost OE specification lifetime coolant - Pentosin - Audi Volkswagen Mercedes Benz Porsche

Lilac Pentofrost OE specification lifetime coolant

Brand:
Pentosin - Corporate Logo
ES#:
2748904
Mfg#:
G013A8J1G
In Stock
$44.99 USD
Free Shipping
on orders $49 and up

Pro-Line Fuel System Cleaner - 500mL

ES#3514665 - 2030KT - Pro-Line Fuel System Cleaner - 500mL - Removes carbon and other deposits from fuel distributors and injector valves - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Removes carbon and other deposits from fuel distributors and injector valves 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Ground ship only in the contiguous U.S.

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514665
Mfg#:
2030KT
In Stock
$26.85

This product was last offered at the strikethrough price on
08-07-2026

$26.50 USD
Free Shipping
on orders $49 and up

DIJectron Fuel Injection Cleaner - 300ml

ES#4447611 - 22076KT - DIJectron Fuel Injection Cleaner - 300ml - Stops the formation of new deposits to promote high fuel injection system efficiency - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Stops the formation of new deposits to promote high fuel injection system efficiency 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship

Brand:
Liqui-Moly - Corporate Logo
ES#:
4447611
Mfg#:
22076KT
In Stock
$22.48

This product was last offered at the strikethrough price on
03-13-2026

$17.99 USD
Free Shipping
on orders $49 and up

Liqui Moly MolyGen - Oil Service Kit (5w-40) - With Magnetic Drain Plug

ES#4006931 - 06L115562KT11 - Liqui Moly MolyGen - Oil Service Kit (5w-40) - With Magnetic Drain Plug - Includes Hengst oil filter, Liqui Moly 5w-40 oil with MolyGen technology and ECS Magnetic Drain Plug - Assembled By ECS - Audi Volkswagen

Includes Hengst oil filter, Liqui Moly 5w-40 oil with MolyGen technology and ECS Magnetic Drain Plug 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4006931
Mfg#:
06L115562KT11
In Stock
ON SALE!
$117.46

This product was last offered at the strikethrough price on
08-19-2026

$114.03 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Genuine Oil Service Kit (5w-40)

ES#2776767 - 06l115562KT - Genuine Oil Service Kit (5w-40) - Includes 5w-40 Genuine oil, filter and drain plug - Genuine Volkswagen Audi - Audi Volkswagen

Includes 5w-40 Genuine oil, filter and drain plug

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2776767
Mfg#:
06L115562KT
In Stock
$115.99

This product was last offered at the strikethrough price on
07-17-2026

$109.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Pro-Line Engine Flush - 500ml

ES#3184220 - lm2037KT - Pro-Line Engine Flush - 500ml - Highly effective additives to clean the engine before your next oil service - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Highly effective additives to clean the engine before your next oil service 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3184220
Mfg#:
LM2037KT
In Stock
$17.45 USD
Free Shipping
on orders $49 and up

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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