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Audi S4 Engine Parts & Accessories

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Secondary Air Injection Pump

ES#4932569 - 079959231C - Secondary Air Injection Pump - Keep your engine running efficiently - URO - Audi

Keep your engine running efficiently 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
From the 2013 model year

Brand:
URO - Corporate Logo
ES#:
4932569
Mfg#:
079959231C
Ships in 2 Business Days
$272.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner

ES#2866291 - 06E903133R - Accessory Belt Tensioner - Keep your drive belt tight - Febi - Audi

Keep your drive belt tight Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866291
Mfg#:
06E903133R
Ships in 2 Business Days
$108.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Porsche 911 Oil Cap

ES#3516769 - 9P1115423A - Porsche 911 Oil Cap - Black and satin aluminum colored valve cover mounted oil cap from the Porsche 991 - Genuine Porsche - Audi Volkswagen Porsche

Black and satin aluminum colored valve cover mounted oil cap from the Porsche 991 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Porsche - Corporate Logo
ES#:
3516769
Mfg#:
9P1115423A
In Stock
$81.05

This product was last offered at the strikethrough price on
08-04-2026

$77.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Kit - Ultimate Plus With Cam Locking Tool

ES#7439 - 078198670 - Timing Belt Kit - Ultimate Plus With Cam Locking Tool - Our most complete timing belt kit with coolant - Assembled By ECS - Audi

Our most complete timing belt kit with coolant 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
7439
Mfg#:
078198670
Back Ordered
ON SALE! SAVE 12%
$618.99

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

$544.25 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Copper Drain Plug Washer - Priced Each

ES#2264 - N138492 - Copper Drain Plug Washer - Priced Each - Replace with every oil service to prevent leaks. M14x20x1.5 - Elring - Audi Volkswagen

Replace with every oil service to prevent leaks. M14x20x1.5 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2264
Mfg#:
N138492
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete ECS Performance Engine Mount Kit - Audi B5 S4

ES#2723181 - 000805ECS03AKT - Complete ECS Performance Engine Mount Kit - Audi B5 S4 - Includes ECS performance polyurethane engine mount and snub mount - ECS - Audi

Includes ECS performance polyurethane engine mount and snub mount 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
ECS - Corporate Logo
ES#:
2723181
Mfg#:
000805ECS03AKT
In Stock
ON SALE! SAVE 10%
$402.99

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

$362.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Street Shield Hardware Kit

ES#3468577 - 019207ECS02KT - Engine Street Shield Hardware Kit - Replacement hardware kit for your front location ECS Street Shield - ECS - Audi

Replacement hardware kit for your front location ECS Street Shield 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
ECS - Corporate Logo
ES#:
3468577
Mfg#:
019207ECS02KT
In Stock
ON SALE! SAVE 25%
$90.99

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

$68.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - Black

ES#2681778 - 06A919081J - Oil Pressure Switch - Black - Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR - Rein - Audi Volkswagen

Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2681778
Mfg#:
06A919081J
In Stock
$11.99

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

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Speed Nut - Priced Each

ES#2623238 - 8D0805960 - Speed Nut - Priced Each - Fits silver colored screws with attached washer - Vaico - Audi Volkswagen

Fits silver colored screws with attached washer Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!
Used in securing the belly pan to the vehicle

Brand:
Vaico - Corporate Logo
ES#:
2623238
Mfg#:
8D0805960
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

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
10-26-2026

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

Expansion Tank & Washer Fluid Reservoir Cap Set - Black

ES#2804150 - 009635ECS02KT - Expansion Tank & Washer Fluid Reservoir Cap Set - Black - Dress up your engine bay with black expansion tank and washer reservoir caps to replace the old blue ones - Assembled By ECS - Audi Volkswagen

Dress up your engine bay with black expansion tank and washer reservoir caps to replace the old blue ones 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804150
Mfg#:
009635ECS02KT
In Stock
ON SALE! SAVE 26%
$39.36

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

$29.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Billet MAF Housing - Hitachi Style (late) 85mm ID

ES#2864568 - 034-108-6007 - Billet MAF Housing - Hitachi Style (late) 85mm ID - Perfect for use in upgraded turbo cars with larger injectors and appropriate software - 034Motorsport - Audi

Perfect for use in upgraded turbo cars with larger injectors and appropriate software 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Fits models with Hitachi style MAF sensor - From the 2001 model year

Brand:
034Motorsport - Corporate Logo
ES#:
2864568
Mfg#:
034-108-6007
In Stock
$180.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hightec MULTI SYNTH DPF SAE 5W-30 - 5 Liter

ES#5374166 - 20125-0050-99 - Hightec MULTI SYNTH DPF SAE 5W-30 - 5 Liter - Specially developed engine oil based on selected HC synthetic base oils for modern passenger car Otto and diesel engines with exhaust after-treatment (diesel particulate filters) and turbocharging. - ROWE - Audi BMW Volkswagen

Specially developed engine oil based on selected HC synthetic base oils for modern passenger car Otto and diesel engines with exhaust after-treatment (diesel particulate filters) and turbocharging. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
ROWE - Corporate Logo
ES#:
5374166
Mfg#:
20125-0050-99
Ships on Dec 8, 2026
$59.99 USD
Free Shipping
on orders $49 and up

Spring Band Clamp - Priced Each

ES#516227 - N90686902 - Spring Band Clamp - Priced Each - Ensure a leak free installation. 23x12 - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a leak free installation. 23x12 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
516227
Mfg#:
N90686902
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AirGate Carbon Fiber Intake - With Lid

ES#4043328 - 2660-15032 - AirGate Carbon Fiber Intake - With Lid - Max gains of 16 hp and 3 ft-lbs of torque at the wheels for B9 / 9.5 RS 4 / RS 5 2.9TT (with piggyback tuner) - AWE - Audi

Max gains of 16 hp and 3 ft-lbs of torque at the wheels for B9 / 9.5 RS 4 / RS 5 2.9TT (with piggyback tuner) 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
AWE - Corporate Logo
ES#:
4043328
Mfg#:
2660-15032
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.

$1131.99

This product was last offered at the strikethrough price on
10-28-2026

$1075.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Kit

ES#4005065 - 079109229kt15KT - Timing Chain Kit - The essentials necessary to get the job done - Assembled By ECS - Audi

The essentials necessary to get the job done 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For cabriolet models only

Brand:
Assembled By ECS - Corporate Logo
ES#:
4005065
Mfg#:
079109229KT15KT
Ships in 3 Business Days
ON SALE! SAVE 25%
$1429.99

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

$1072.59 USD
Free Shipping
This product is lifetime replacement eligible Partial 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

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Manufacturer names and/or part numbers are used only for identification purposes.

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