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Audi S4 Engine Parts & Accessories

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APR Front Mount Intercooler System - B9 S4/S5 3.0T

ES#3613172 - IC100023 - APR Front Mount Intercooler System - B9 S4/S5 3.0T - Massive front mounted upgrade that dramatically reduces intake air temperature (IAT), minimizes heat soak, and provides increased performance! - APR - Audi

Massive front mounted upgrade that dramatically reduces intake air temperature (IAT), minimizes heat soak, and provides increased performance! 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!

Brand:
APR - Corporate Logo
ES#:
3613172
Mfg#:
IC100023
Back Ordered
11% off MSRP

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

$1631.99

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

$1449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Breather Hose Kit

ES#2893863 - 034-101-3071 - Silicone Breather Hose Kit - Designed to replace the problematic factory "spider" breather hose assembly - 034Motorsport - Audi

Designed to replace the problematic factory "spider" breather hose assembly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This kit will not fit vehicles equipped with factory SAI.

Brand:
034Motorsport - Corporate Logo
ES#:
2893863
Mfg#:
034-101-3071
In Stock
$334.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Track Edition Exhaust System - Audi B9 S4 3.0T

ES#4727526 - AWEB9S4TK - AWE Track Edition Exhaust System - Audi B9 S4 3.0T - Equipped with the same precision-engineering as its Touring Edition counterpart, minus the resonators up front and 180 Technology resonators in the rear. - AWE - Audi

Equipped with the same precision-engineering as its Touring Edition counterpart, minus the resonators up front and 180 Technology® resonators in the rear. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4727526
Mfg#:
AWEB9S4TK
In Stock
Starting at $2155.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Supercharger Dual Pulley Upgrade Kit

ES#3634017 - MS100184 - APR Supercharger Dual Pulley Upgrade Kit - Dramatically increase horsepower and torque by increasing the rotational speed of the factory supercharger (Press-On SC Pulley) - APR - Audi Porsche

Dramatically increase horsepower and torque by increasing the rotational speed of the factory supercharger (Press-On SC Pulley) 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!
Stage II software is required to run any upgraded Pulley configuration and is sold separately - Please se

Brand:
APR - Corporate Logo
ES#:
3634017
Mfg#:
MS100184
In Stock
11% off MSRP

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

$691.95

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

$614.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Luft-Technik Intake System - Carbon Fiber Inlet - Audi B8 S4/S5 3.0T

ES#2992535 - 007344ECS02 - Luft-Technik Intake System - Carbon Fiber Inlet - Audi B8 S4/S5 3.0T - Engineered for increased engine performance with show quality looks - ECS - Audi

Engineered for increased engine performance with show quality looks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
2992535
Mfg#:
007344ECS02
In Stock
$571.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Drivetrain Mounts Insert Package

ES#2975804 - 034-509-6000 - Drivetrain Mounts Insert Package - Complete mount insert set - 034Motorsport - Audi

Complete mount insert set affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2975804
Mfg#:
034-509-6000
In Stock
$294.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Pan Gasket/Sealing Compound - 50ml

ES#8882 - d176501a1 - Oil Pan Gasket/Sealing Compound - 50ml - Loctite 5970 sealing compound - Genuine Volkswagen Audi - Audi Volkswagen

Loctite 5970 sealing compound affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
8882
Mfg#:
D176501A1
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.

$34.99

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

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VF Engineering Supercharger Kit (496hp & 434Ft-Lbs Torque) - B6 S4

Complete bolt on kit. The very best way to get big, everyday reliable horsepower affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
VF Engineering - Corporate Logo
ES#:
2713221
Mfg#:
VFK80-01
Ships on Jun 30, 2026
$8495.00 USD
This product is lifetime replacement eligible Lifetime Replacement

VF Engineering Supercharger Kit (496hp & 434Ft-Lbs Torque) - B7 S4

Complete bolt on kit. The very best way to get big, everyday reliable horsepower affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
VF Engineering - Corporate Logo
ES#:
2713220
Mfg#:
VFK80-11
Ships on Jun 30, 2026
$8495.00 USD
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Ultimate Audi B8 Pre-Facelift Street Shield Kit

ES#3612454 - 003251ecs01aKT - ECS Tuning Ultimate Audi B8 Pre-Facelift Street Shield Kit - Get the ultimate under body protection for your B8! - ECS - Audi

Get the ultimate under body protection for your B8! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE
Fits B8 chassis up to the 2012 model year with manual and DSG transmissions only

Brand:
ECS - Corporate Logo
ES#:
3612454
Mfg#:
003251ECS01AKT
In Stock
$933.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Kit

ES#4418372 - 06E121018BKT - Water Pump Kit - Includes a new HD water pump and thermostat - Assembled By ECS - Audi

Includes a new HD water pump and thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits up to the 2012 model year (pre-facelift)

Brand:
Assembled By ECS - Corporate Logo
ES#:
4418372
Mfg#:
06E121018BKT
Ships in 3 Business Days
ON SALE!
$219.99

This product was last offered at the strikethrough price on
01-03-2026

$203.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Spark Plugs - Priced Each

ES#7573 - BKR6EQUP - Spark Plugs - Priced Each - BKR6EQUP / 3199 - NGK - Audi BMW

BKR6EQUP / 3199 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
7573
Mfg#:
BKR6EQUP
In Stock
$9.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Pulley - 6 Bolt

ES#4881203 - 06M121031G - Water Pump Pulley - 6 Bolt - 6 Bolt pulley that attaches to the water pump - Genuine Volkswagen Audi - Audi

6 Bolt pulley that attaches to the water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4881203
Mfg#:
06M121031G
In Stock
2% off MSRP

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

$198.99

This product was last offered at the strikethrough price on
06-12-2026

$195.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel-It! FLEX FUEL KIT For AUDI S4

ES#4499539 - FIFFKB8S4 - Fuel-It! FLEX FUEL KIT For AUDI S4 - If you're running E85 or ethanol mixes in your Audi, you need this kit! - Fuel-It! - Audi

If you're running E85 or ethanol mixes in your Audi, you need this kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuel-It! - Corporate Logo
ES#:
4499539
Mfg#:
FIFFKB8S4
Ships in 1 Business Day
$454.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

8100 X-Clean Engine Oil (5w-40) - 5 Liter

ES#1928404 - 3374650233888 - 8100 X-Clean Engine Oil (5w-40) - 5 Liter - 100% Synthetic engine oil specially designed around the demands of direct fuel injection engines. - Motul - Audi BMW Volkswagen

100% Synthetic engine oil specially designed around the demands of direct fuel injection engines. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Motul - Corporate Logo
ES#:
1928404
Mfg#:
3374650233888
In Stock
$58.99 USD
Free Shipping
on orders $49 and up

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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