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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Engine Parts & Accessories

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2.5" High-Flow Downpipe

ES#3420821 - SSXAU673 - 2.5" High-Flow Downpipe - Featuring Milltek Sport Hi-Flow sports cat, fits with OE and Milltek cat-back systems. - Milltek Sport - Audi

Featuring Milltek Sport Hi-Flow sports cat, fits with OE and Milltek cat-back systems.

Brand:
Milltek Sport - Corporate Logo
ES#:
3420821
Mfg#:
SSXAU673
Ships on Oct 30, 2026
$3374.99

This product was last offered at the strikethrough price on
08-17-2026

$3374.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Guide Rail - Priced Each

ES#284640 - 079109470 - Upper Guide Rail - Priced Each - Upper rail that the left & right timing chains ride - Genuine Volkswagen Audi - Audi

Upper rail that the left & right timing chains ride

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284640
Mfg#:
079109470
In Stock
6% off MSRP

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

$15.99

This product was last offered at the strikethrough price on
10-09-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M11 Head Stud Kit EA839 2.9T/3.0T

ES#5446956 - 034-201-5031 - M11 Head Stud Kit EA839 2.9T/3.0T - Designed to maintain reliable clamping force under sustained heat and load, addressing the limitations of OE torque-to-yield head bolts that can stretch and degrade at higher power levels. - 034Motorsport - Audi

Designed to maintain reliable clamping force under sustained heat and load, addressing the limitations of OE torque-to-yield head bolts that can stretch and degrade at higher power levels. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
5446956
Mfg#:
034-201-5031
In Stock
$550.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump

ES#4743213 - 06M127026H - High Pressure Fuel Pump - Fuel pump located on top of the engine - Hitachi - Audi

Fuel pump located on top of the engine

Brand:
Hitachi - Corporate Logo
ES#:
4743213
Mfg#:
06M127026H
Back Ordered
$468.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve - Priced Each

ES#274849 - 037906283C - Solenoid Valve - Priced Each - Common cure for DTC P0441 - Genuine Volkswagen Audi - Audi Volkswagen

Common cure for DTC P0441 For vehicle with productions dates up to 07/30/2020

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274849
Mfg#:
037906283C
In Stock
16% off MSRP

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

$216.65

This product was last offered at the strikethrough price on
10-09-2026

$181.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

PCV Gasket

ES#3186721 - 06M103517B - PCV Gasket - Located between the oil separator and the valve cover - Genuine Volkswagen Audi - Audi

Located between the oil separator and the valve cover

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3186721
Mfg#:
06M103517B
In Stock
25% off MSRP

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

$44.00

This product was last offered at the strikethrough price on
10-09-2026

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt/Serpentine Belt Kit W/ Tensioners

ES#4699489 - 06m260849lKT - Accessory Belt/Serpentine Belt Kit W/ Tensioners - Keep your car from breaking down by replacing your cracked drive belt - Genuine Volkswagen Audi - Audi

Keep your car from breaking down by replacing your cracked drive belt

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4699489
Mfg#:
06M260849LKT
Ships in 1-2 days
$824.99

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

$813.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Radiator Support Cover

ES#4220120 - 034-1ZZ-1005 - Carbon Fiber Radiator Support Cover - Designed to tastefully complement the factory engine bay with a beautiful carbon fiber weave, that is perfectly matched to their 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 their X34 Carbon Fiber Air Intake. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4220120
Mfg#:
034-1ZZ-1005
In Stock
$324.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Lash Adjuster - Priced Each

ES#4340784 - 06M109423A - Hydraulic Lash Adjuster - Priced Each - Also called the Cam Follower or Valve lifter - Genuine Volkswagen Audi - Audi

Also called the Cam Follower or Valve lifter

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4340784
Mfg#:
06M109423A
Ships in 1-2 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.

$58.99

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

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Self-Locking Nut - Priced Each

ES#471101 - N90894601 - Self-Locking Nut - Priced Each - Install new hardware with your new parts. M8 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8 Used to secure the turbocharger to the cylinder head - qty 4 required - outer

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471101
Mfg#:
N90894601
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger - OE

ES#4429103 - 06M145689AC - Turbocharger - OE - Complete turbocharger assembly to replace your failed unit - Restore boost and get going! - Genuine Volkswagen Audi - Audi

Complete turbocharger assembly to replace your failed unit - Restore boost and get going!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4429103
Mfg#:
06M145689AC
Ships in 1-2 days
4% off MSRP

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

$3228.99

This product was last offered at the strikethrough price on
10-09-2026

$3083.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro Series Head Stud Set

ES#4686116 - P101161610.BR - Pro Series Head Stud Set - Upgraded head studs - Wagner Tuning - Audi

Upgraded head studs

Brand:
Wagner Tuning - Corporate Logo
ES#:
4686116
Mfg#:
P101161610.BR
Back Ordered
$499.00 USD
Free Shipping

Ultimate Turbocharger Installation Kit

ES#4629483 - 06m133026aktKT - Ultimate Turbocharger Installation Kit - All hardware required for a successful install utilizing genuine components. - Genuine Volkswagen Audi - Audi

All hardware required for a successful install utilizing genuine components.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4629483
Mfg#:
06M133026AKTKT
Ships in 1-2 days
$247.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor - Priced Each

ES#4849611 - 06E906051AC - MAP Sensor - Priced Each - one located on both the charge pipe and inlet after the throttle body - Bosch - Audi

one located on both the charge pipe and inlet after the throttle body We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4849611
Mfg#:
06E906051AC
In Stock
$97.99

This product was last offered at the strikethrough price on
05-04-2026

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft - Exhaust Side

ES#3571752 - 06M109102EM - Camshaft - Exhaust Side - Cylinders 4-6 - Genuine Volkswagen Audi - Audi

Cylinders 4-6

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3571752
Mfg#:
06M109102EM
Ships in 1-2 days
7% off MSRP

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

$616.99

This product was last offered at the strikethrough price on
10-05-2026

$572.99 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.

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