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Audi S4 Engine Parts & Accessories

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ES#274319 - 036115111B - Oil Cap Gasket - Ensure a proper seal between the oil cap and valve cover - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal between the oil cap and valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274319
Mfg#:
036115111B
In Stock
$9.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#248500 - 078906283A - Valve Control Solenoid (N249) - Valve used to control combi valve operation - Pierburg - Audi Volkswagen

Valve used to control combi valve operation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Manual transmissions only

Brand:
Pierburg - Corporate Logo
ES#:
248500
Mfg#:
078906283A
In Stock
$96.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4871985 - 8E1820031 - Heater Core - Stop coolant leaks, restore heater operation, and cure a fogged windshield! - Bremmen Parts - Audi

Stop coolant leaks, restore heater operation, and cure a fogged windshield! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871985
Mfg#:
8E1820031
In Stock
ON SALE! SAVE 21%
$65.99

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

$52.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2075233 - 420103485B - Audi R8 Oil Cap - Add new styling in minutes with this Audi R8 oil cap - Genuine Volkswagen Audi - Audi Volkswagen

Add new styling in minutes with this Audi R8 oil cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2075233
Mfg#:
420103485B
In Stock
9% off MSRP

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

$113.99

This product was last offered at the strikethrough price on
06-20-2026

$103.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2784572 - 314323 - JE Forged Piston Set - 81mm bore (factory bore), 9.0:1 compression ratio, 86.4mm stroke - includes rings, wrist-pins, & circlips - JE Piston - Audi

81mm bore (factory bore), 9.0:1 compression ratio, 86.4mm stroke - includes rings, wrist-pins, & circlips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
2784572
Mfg#:
314323
In Stock at Vendor
$1349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3569780 - 314326 - JE Forged Piston Set - 82.5mm bore (oversized), 9.0:1 compression ratio, 86.4mm stroke - includes rings, wrist-pins, & circlips - JE Piston - Audi

82.5mm bore (oversized), 9.0:1 compression ratio, 86.4mm stroke - includes rings, wrist-pins, & circlips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
+1.5mm bore size: Overbore pistons require additional machine work including a cylinder bore and hone, this work must be performed by a machine shop

Brand:
JE Piston - Corporate Logo
ES#:
3569780
Mfg#:
314326
Back Ordered
$1349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2918330 - 314325 - Piston Assembly - Set Of Six - 82mm bore (oversized), 9.0:1 compression ratio, 86.4mm stroke - includes rings, wrist-pins, & circlips - JE Piston - Audi

82mm bore (oversized), 9.0:1 compression ratio, 86.4mm stroke - includes rings, wrist-pins, & circlips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
+1mm bore size: Overbore pistons require additional machine work including a cylinder bore and hone, this work must be performed by a machine shop

Brand:
JE Piston - Corporate Logo
ES#:
2918330
Mfg#:
314325
Back Ordered
$1349.99 USD
Free Shipping
ES#3957096 - 53032801AC - Hemi Throttle Body - 80mm - Direct plug and play - Mopar - Audi Volkswagen

Direct plug and play affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires Hemi adapter

Brand:
Mopar - Corporate Logo
ES#:
3957096
Mfg#:
53032801AC
Ships in 4 Business Days
$449.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4706067 - 06m906036apKT - Fuel Injector Kit - Includes both upper, lower clip, injector seals, and a set of injectors. - Genuine Volkswagen Audi - Audi

Includes both upper, lower clip, injector seals, and a set of injectors. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 06/15/2020

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4706067
Mfg#:
06M906036APKT
Ships in 1-2 days
$1347.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4007248 - TS-0204-1132 - Turbosmart Gen-V Race Port BOV - Black  - The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines - TurboSmart - Audi Volkswagen

The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*General use blow off valve for custom big turbo applications - Not a direct fit valve*

Brand:
TurboSmart - Corporate Logo
ES#:
4007248
Mfg#:
TS-0204-1132
In Stock at Vendor
$335.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4057820 - 06M103485D - Oil Cap - Clean your engine bay up with a new oil cap - Genuine Volkswagen Audi - Audi

Clean your engine bay up with a new oil cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From production date 03/02/2020

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4057820
Mfg#:
06M103485D
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.

$28.99

This product was last offered at the strikethrough price on
06-20-2026

$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3690231 - 06e903133aektKT - Accessory Belt Kit W/ Tensioner  - Keep your accessories running properly with a new tensioner and drive belt - Assembled By ECS - Audi

Keep your accessories running properly with a new tensioner and drive belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From the 2013 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
3690231
Mfg#:
06E903133AEKTKT
Back Ordered
Auto Notify
ON SALE!
$145.99

This product was last offered at the strikethrough price on
03-17-2026

$134.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3220796 - 017429ECS01 -  Luft-Technik Intake Air Scoop - Audi B8 A4/A5/S4/S5 - Extends farther down behind the grille to direct more air to the intake system - ECS - Audi

Extends farther down behind the grille to direct more air to the intake system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3220796
Mfg#:
017429ECS01
In Stock
ON SALE! SAVE 23%
$216.99

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

$166.94 USD
Free Shipping
ES#4045558 - 3R0959126 - A/C Pressure Safety Switch - Prevents excess pressure from building within the system - Mahle - Audi

Prevents excess pressure from building within the system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle - Corporate Logo
ES#:
4045558
Mfg#:
3R0959126
In Stock at Vendor
$108.87

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

$102.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2539548 - 06E133817AB - Secondary Air Injection Hose - Outlet - Connects the secondary air pump to the EGR connecting pipe - Genuine Volkswagen Audi - Audi

Connects the secondary air pump to the EGR connecting pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2539548
Mfg#:
06E133817AB
Ships in 1-2 days
15% off MSRP

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

$111.67

This product was last offered at the strikethrough price on
06-20-2026

$95.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3706755 - 038103196 - Oil Level Sensor O-Ring - Seals oil level sensor to the oil pan - Elring - Audi Volkswagen Porsche

Seals oil level sensor to the oil pan 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:
Elring - Corporate Logo
ES#:
3706755
Mfg#:
038103196
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
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

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