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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Service & Maintenance Parts

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Front & Rear Performance Brake Service Kit - 2-Piece

ES#4159087 - 023938ECS02KT3 - Front & Rear Performance Brake Service Kit - 2-Piece - Comprehensive kit featuring ECS 2-piece cross-drilled and slotted rotors and EBC RedStuff Performance pads - Assembled By ECS - Audi

Comprehensive kit featuring ECS 2-piece cross-drilled and slotted rotors and EBC RedStuff Performance pads 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4159087
Mfg#:
023938ECS02KT3
In Stock
ON SALE!
$2029.99

This product was last offered at the strikethrough price on
03-10-2026

$1849.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Oil Sump And Oil Filter Kit

ES#4745579 - 0D5398009C - Transmission Oil Sump And Oil Filter Kit - Replacement transmission oil pan, includes gasket and filter - ZF - Audi

Replacement transmission oil pan, includes gasket and filter We Price Match - Give Us A Call or Chat!

Brand:
ZF - Corporate Logo
ES#:
4745579
Mfg#:
0D5398009C
In Stock
$168.95 USD
Free Shipping
on orders $49 and up

Oil Filter Kit - Priced Each

ES#4017143 - 06M198405F - Oil Filter Kit - Priced Each - Keep debris out of your oil and keep your engine running healthily - Hengst - Audi Porsche
ECS Tuning recommends this product.

Keep debris out of your oil and keep your engine running healthily 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#:
4017143
Mfg#:
06M198405F
In Stock
$17.99

This product was last offered at the strikethrough price on
06-18-2026

$17.50 USD
Free Shipping
on orders $49 and up

Rear Differential Service Kit

ES#4620164 - g055190a2KT - Rear Differential Service Kit - Complete kit with Genuine fluids and drain plugs to service your rear differential - Genuine Volkswagen Audi - Audi

Complete kit with Genuine fluids and drain plugs to service your rear differential

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4620164
Mfg#:
G055190A2KT
Ships on Sep 15, 2026
Auto Notify
$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

8-Speed Automatic Transmission Service Kit - 7 Liters

ES#4845359 - 0D5398009CKITKT2 - 8-Speed Automatic Transmission Service Kit - 7 Liters - Includes the necessary filter, plug, gasket, and ATF fluid to service your transmission - Assembled By ECS - Audi

Includes the necessary filter, plug, gasket, and ATF fluid to service your transmission 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4845359
Mfg#:
0D5398009CKITKT2
In Stock
ON SALE! SAVE 13%
$292.99

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

$253.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Performance Ignition Service Kit

ES#4475290 - 06m905606f1KT - Performance Ignition Service Kit - Includes six Red APR coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Red APR coil packs and OEM spark plugs to service your ignition system 10X Entries Into Our F80 M3 Sweepstakes
CARB certified for sale in all 50 states

Brand:
Assembled By ECS - Corporate Logo
ES#:
4475290
Mfg#:
06M905606F1KT
EO#:
D-783-5
In Stock
$409.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Upgraded Ignition Coils - Red - Set Of Six

ES#4030593 - ms100192KT2 - APR Upgraded Ignition Coils - Red - Set Of Six - 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

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!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4030593
Mfg#:
MS100192KT2
EO#:
D-783-5
In Stock
$317.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Priced Each

ES#3181977 - 06M905606F - Spark Plug - Priced Each - Keep your engine running strong - Genuine Volkswagen Audi - Audi

Keep your engine running strong

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3181977
Mfg#:
06M905606F
In Stock
3% off MSRP

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

$15.00

This product was last offered at the strikethrough price on
08-23-2026

$14.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#4340775 - 06H905110P - Ignition Coil - Priced Each - Keep your engine running smooth - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running smooth

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4340775
Mfg#:
06H905110P
In Stock
5% off MSRP

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

$104.98

This product was last offered at the strikethrough price on
08-23-2026

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump And Thermostat Replacement Kit

ES#4899227 - 06M121115K2KT - Water Pump And Thermostat Replacement Kit - Maintain proper operating temperature with a new water pump and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new water pump and hardware 10X Entries Into Our F80 M3 Sweepstakes
Includes 4-Bolt Water Pump and hardware - No pulley included

Brand:
Assembled By ECS - Corporate Logo
ES#:
4899227
Mfg#:
06M121115K2KT
In Stock
ON SALE! SAVE 27%
$613.99

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

$446.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Cabin Air Filter - Blue.care Bioactive

ES#4019211 - 4M0819439B - Cabin Air Filter - Blue.care Bioactive - Cleans the air for the climate control system before it enters the cabin - Hengst - Audi Porsche
ECS Tuning recommends this product.

Cleans the air for the climate control system before it enters the cabin 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#:
4019211
Mfg#:
4M0819439B
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Performance Brake Service Kit

ES#4475287 - 4M0615301AN5KT - Front & Rear Performance Brake Service Kit - Featuring Zimmermann Cross-Drilled rotors and ECS EP24 Performance Brake pads - Includes set screws, brake wear sensors, and silicone brake lubricant - Assembled By ECS - Audi

Featuring Zimmermann Cross-Drilled rotors and ECS EP24 Performance Brake pads - Includes set screws, brake wear sensors, and silicone brake lubricant 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4475287
Mfg#:
4M0615301AN5KT
In Stock
ON SALE! SAVE 40%
$1173.99

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

$702.18 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Edge European Formula Full Synthetic Engine Oil (5w-40) - 5 Quart

ES#3478518 - 03247 - Edge European Formula Full Synthetic Engine Oil (5w-40) - 5 Quart - Meets VAG 502.00/505.00 and Porsche A40 specifications - Castrol - Audi Volkswagen

Meets VAG 502.00/505.00 and Porsche A40 specifications

Brand:
Castrol - Corporate Logo
ES#:
3478518
Mfg#:
03247
In Stock
$133.32

This product was last offered at the strikethrough price on
07-18-2026

$132.87 USD
Free Shipping
on orders $49 and up

RacingLine Higher Output Ignition Coils - Blue - Set Of Six

ES#4708312 - VWR900000-6KT - RacingLine Higher Output Ignition Coils - Blue - Set Of Six - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi

Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils.

Brand:
Racingline - Corporate Logo
ES#:
4708312
Mfg#:
VWR900000-6KT
In Stock
$330.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EA839 2.9T/3.0T Billet Oil Filter Housing - Black

ES#3504941 - 024354ECS01-01 - EA839 2.9T/3.0T Billet Oil Filter Housing - Black - Ditch the easily broken/stripped plastic oil filter cap for a durable billet upgrade - ECS - Audi

Ditch the easily broken/stripped plastic oil filter cap for a durable billet upgrade 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3504941
Mfg#:
024354ECS01-01
In Stock
ON SALE! SAVE 27%
$136.99

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

$99.46 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Service & Maintenance Parts

Good maintenance should never be viewed as an expense. It is an investment that maintains the value and dependability of your car, extends its service life, and increases its resale value. Affordable fluids and filters are all here, with many tutorials demonstrating how easy it is to keep your car running strong.

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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