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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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Racingline High-Flow Air Filter

ES#3570408 - VWR1141S4 - Racingline High-Flow Air Filter - Set your 3.0 TFSI turbocharged engine free by allowing it to breathe better and operate more efficiently! - Racingline - Audi

Set your 3.0 TFSI turbocharged engine free by allowing it to breathe better and operate more efficiently! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
3570408
Mfg#:
VWR1141S4
Ships in 3 Business Days
ON SALE! SAVE 10%
$171.99

This product was last offered at the strikethrough price on
07-01-2026

$154.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Drive Belt

ES#4699374 - 06M260849L - Accessory Drive Belt - Keep your car from breaking down by replacing your cracked drive belt - Gates - Audi

Keep your car from breaking down by replacing your cracked drive belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
4699374
Mfg#:
06M260849L
In Stock
$28.99

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

$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drain Plug Sealing Washer - Priced Each

ES#466262 - N0138495 - Drain Plug Sealing Washer - Priced Each - Install new hardware with your new parts. 14x20 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 14x20 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466262
Mfg#:
N0138495
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IP High Performance Ignition Coil Set - Set Of Six

4X more spark energy than stock coils! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Ignition Projects - Corporate Logo
ES#:
4389442
Mfg#:
IP-A121612
Ships in 6 Business Days
$895.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit

ES#4620705 - G055190A2-1KT - Rear Differential Service Kit - Complete kit with Genuine fluids and magnetic drain plugs to service your rear differential. - Assembled By ECS - Audi

Complete kit with Genuine fluids and magnetic drain plugs to service your rear differential. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
for vehicles without sport diff

Brand:
Assembled By ECS - Corporate Logo
ES#:
4620705
Mfg#:
G055190A2-1KT
In Stock
$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Oil Drain Plug - Priced Each

ES#2827074 - N91167901 - Oil Drain Plug - Priced Each - Does not include the crush washer. M14x1.5 - Rein - Audi Volkswagen Porsche

Does not include the crush washer. M14x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2827074
Mfg#:
N91167901
In Stock
ON SALE! SAVE 14%
$4.99

This product was last offered at the strikethrough price on
02-09-2026

$4.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Serpentine Belt

ES#4714700 - 06M903137T - Serpentine Belt - Replace your worn belt today before it breaks - Gates - Audi

Replace your worn belt today before it breaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
4714700
Mfg#:
06M903137T
Ships on Jul 21, 2026
Auto Notify
$34.99

This product was last offered at the strikethrough price on
05-01-2026

$32.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

Spark Plugs - Set Of Six

ES#4768525 - 06M905606FAKT - Spark Plugs - Set Of Six - Keep your engine running strong - Assembled By ECS - Audi

Keep your engine running strong affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4768525
Mfg#:
06M905606FAKT
In Stock
ON SALE! SAVE 20%
$174.00

This product was last offered at the strikethrough price on
01-27-2026

$139.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Performance Brake Service Kit - Tru-Float Scalloped

ES#4057327 - 023940EKT - Rear Performance Brake Service Kit - Tru-Float Scalloped - Comprehensive kit includes Tru-Float rotors, pads, sensor, and set screws - Upgrade your brake system with ECS 2-piece Tru-Float scalloped rotors and EBC Yellow Brake Pads! - Assembled By ECS - Audi

Comprehensive kit includes Tru-Float rotors, pads, sensor, and set screws - Upgrade your brake system with ECS 2-piece Tru-Float scalloped rotors and EBC Yellow Brake Pads! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4057327
Mfg#:
023940EKT
In Stock
ON SALE! SAVE 29%
$1144.99

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

$817.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Performance Brake Service Kit - 2-Piece

ES#4057319 - 023938ecsKT - Rear Performance Brake Service Kit - 2-Piece - Comprehensive kit includes rotors, pads, sensor, and set screws - Upgrade your brake system with ECS 2-piece rotors and ECS EP24 "Enthusiast Performance" brake pads! - Assembled By ECS - Audi

Comprehensive kit includes rotors, pads, sensor, and set screws - Upgrade your brake system with ECS 2-piece rotors and ECS EP24 "Enthusiast Performance" brake pads! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4057319
Mfg#:
023938ECSKT
In Stock
ON SALE!
$858.99

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

$790.15 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

8-Speed Automatic Transmission Service Kit - 11 Liters

ES#4810882 - 0D5398009CKIT2 - 8-Speed Automatic Transmission Service Kit - 11 Liters - Includes a new filter & transmission pan gasket with securing hardware. Includes enough fluid to drain, flush, and fill. - Vaico - Audi

Includes a new filter & transmission pan gasket with securing hardware. Includes enough fluid to drain, flush, and fill. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4810882
Mfg#:
0D5398009CKIT2
In Stock at Vendor
$1595.99

This product was last offered at the strikethrough price on
07-02-2026

$777.99 USD
Free Shipping
on orders $49 and up

0W20 Engine Oil - 1 Gallon

ES#2847837 - 11805 - 0W20 Engine Oil - 1 Gallon - Designed to provide the highest protection, efficiency, cleanliness, and superior drain intervals - Redline - Audi Volkswagen

Designed to provide the highest protection, efficiency, cleanliness, and superior drain intervals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
2847837
Mfg#:
11805
In Stock
$69.99 USD
Free Shipping
on orders $49 and up

034Motorsport High Output Ignition Coils - Yellow - Set Of Six

ES#4667218 - 0341072012YEL-6 - 034Motorsport High Output Ignition Coils - Yellow - Set Of Six - Plug-and-play upgraded coil pack featuring a CNC-machined heat sink for better heat dissipation - 034Motorsport - Audi Porsche

Plug-and-play upgraded coil pack featuring a CNC-machined heat sink for better heat dissipation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4667218
Mfg#:
0341072012YEL-6
Ships in 3 Business Days
ON SALE! SAVE 10%
$384.00

This product was last offered at the strikethrough price on
06-28-2026

$345.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Set of Transmission Oil Drain/Fill Plugs

ES#4384910 - 0D5398048A - Set of Transmission Oil Drain/Fill Plugs - Genuine Volkswagen Audi - Audi

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4384910
Mfg#:
0D5398048A
Ships in 3 Business Days
ON SALE!
$99.99

This product was last offered at the strikethrough price on
06-15-2026

$94.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Upgraded Ignition Coils - Grey - Set Of Six

ES#4164405 - MS100203-6KT - APR Upgraded Ignition Coils - Grey - 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 Porsche

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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4164405
Mfg#:
MS100203-6KT
EO#:
D-783-5
In Stock
$317.99 USD
Free Shipping
on orders $49 and up
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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