Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle

Audi S4 Engine Parts & Accessories

Sort By
Filter By
Return to Top
ES#4111 - 5304 - Denso Spark Plugs - Priced Each - Stock #5304, Plug #IK20, Iridium plugs - Denso - Audi Volkswagen

Stock #5304, Plug #IK20, Iridium plugs

Brand:
Denso - Corporate Logo
ES#:
4111
Mfg#:
5304
In Stock
$8.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#399412 - 4Z7971824C - fuel injector Wiring Harness Conduit - priced each - Shields the wiring for the fuel injectors - Genuine Volkswagen Audi - Audi

Shields the wiring for the fuel injectors

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
399412
Mfg#:
4Z7971824C
Ships in 1 day
11% off MSRP

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

$46.99

This product was last offered at the strikethrough price on
10-26-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4699371 - 06M903137T - Serpentine Belt - Replace your worn belt today before it breaks - Bando - Audi

Replace your worn belt today before it breaks

Brand:
Bando - Corporate Logo
ES#:
4699371
Mfg#:
06M903137T
Back Ordered
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2562351 - 058133843 - Air Filter - Keep clean air running through your engine - Hengst - Audi Volkswagen
ECS Tuning recommends this product.

Keep clean air running through your engine 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#:
2562351
Mfg#:
058133843
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2623216 - 059919501A - Coolant Temperature Sensor - Green coolant temp sensor, located commonly in the cooling flange near the head - Vemo - Audi Volkswagen

Green coolant temp sensor, located commonly in the cooling flange near the head

Brand:
Vemo - Corporate Logo
ES#:
2623216
Mfg#:
059919501A
In Stock
$13.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4265528 - 034-1ZZ-1004 - Carbon Fiber Engine Cover  - Designed to tastefully complement the factory engine bay with a beautiful carbon fiber weave that is perfectly matched to the X34 Carbon Fiber Air Intake. - 034Motorsport - Audi

Designed to tastefully complement the factory engine bay with a beautiful carbon fiber weave that is perfectly matched to the X34 Carbon Fiber Air Intake. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles up through the 2019 model year only

Brand:
034Motorsport - Corporate Logo
ES#:
4265528
Mfg#:
034-1ZZ-1004
Ships in 2 Business Days
$461.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4029654 - 034-106-7016S4 - 034 Fuel Rail Pair With Brackets - Includes reversible brackets which allow the use of either short or tall bodied injectors, fits all 2.7T and RS4 intake manifolds. - 034Motorsport - Audi

Includes reversible brackets which allow the use of either short or tall bodied injectors, fits all 2.7T and RS4 intake manifolds. 2X Entries Into Our F80 M3 Sweepstakes
Please specify intake manifold prior to ordering.

Brand:
034Motorsport - Corporate Logo
ES#:
4029654
Mfg#:
034-106-7016S4
Ships in 2 Business Days
$230.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2540812 - 8K0201511TA - Fuel Filter - Located inside the fuel tank - Genuine Volkswagen Audi - Audi

Located inside the fuel tank From the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2540812
Mfg#:
8K0201511TA
Ships in 4 Business Days
1% off MSRP

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

$466.99

This product was last offered at the strikethrough price on
11-03-2026

$459.99 USD
Free Shipping
ES#1884502 - 4H0951253A -  Multipurpose Relay - Priced Each - Replacement 4-pin/40 amp relay - Genuine Volkswagen Audi - Audi Volkswagen

Replacement 4-pin/40 amp relay

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1884502
Mfg#:
4H0951253A
Ships in 4 Business Days
10% off MSRP

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

$50.99

This product was last offered at the strikethrough price on
11-03-2026

$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2162798 - 07K998715F-6 - Ignition Coil - Set Of Six - Keep your engine running strong - Genuine Volkswagen Audi - Audi

Keep your engine running strong To be used with the 2.0T coil pack conversion kits.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2162798
Mfg#:
07K998715F-6
In Stock
$479.94

This product was last offered at the strikethrough price on
09-30-2026

$459.72 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#470699 - N90765301 - Coolant Pipe O-Ring - Priced Each - Provides seal from metal to plastic cooling line end fitting. 32X4 - Genuine Volkswagen Audi - Audi Volkswagen

Provides seal from metal to plastic cooling line end fitting. 32X4

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470699
Mfg#:
N90765301
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.

$2.62

This product was last offered at the strikethrough price on
11-03-2026

$2.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3648524 - n90316802ktKT - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! - Genuine Volkswagen Audi - Audi

Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! Up to production date 5/1/2011

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3648524
Mfg#:
N90316802KTKT
Ships in 1 day
$477.99

This product was last offered at the strikethrough price on
08-31-2026

$457.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#3648526 - n90316802ktKT1 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! - Genuine Volkswagen Audi - Audi

Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! From production date 5/2/2011

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3648526
Mfg#:
N90316802KTKT1
Ships in 1 day
$477.99

This product was last offered at the strikethrough price on
08-31-2026

$457.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#250161 - 8E0863821AL - Front Belly Pan - Keep your engine protected - Genuine Volkswagen Audi - Audi

Keep your engine protected

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
250161
Mfg#:
8E0863821AL
Ships in 4 Business Days
1% off MSRP

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

$461.99

This product was last offered at the strikethrough price on
11-03-2026

$457.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4708059 - TS-0203-1022 - Kompact Dual Port Blow Off Valve Suit 25mm Inlet Fitting - Priced Each - Get those sweet turbo noises - TurboSmart - Audi

Get those sweet turbo noises

Brand:
TurboSmart - Corporate Logo
ES#:
4708059
Mfg#:
TS-0203-1022
In Stock at Vendor
10% off MSRP

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

$253.99

This product was last offered at the strikethrough price on
11-03-2026

$228.99 USD
Free Shipping
ES#2225115 - 8K0825201E - Front Underbody Lining - left - Helps protect the underbody and components from road debris - Genuine Volkswagen Audi - Audi

Helps protect the underbody and components from road debris

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2225115
Mfg#:
8K0825201E
Ships in 1 day
14% off MSRP

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

$65.99

This product was last offered at the strikethrough price on
08-31-2026

$56.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings