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Audi B8/B8.5 S4 Quattro 3.0T

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Audi B8/B8.5 S4 Quattro 3.0T Engine Parts & Accessories

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SuperDuper Adapter

ES#4858306 - 034-108-1911 - SuperDuper Adapter - Purchase this kit if you need an additional adapter to send out to have port matched to your supercharger or if you need a replacement. - 034Motorsport - Audi

Purchase this kit if you need an additional adapter to send out to have port matched to your supercharger or if you need a replacement. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858306
Mfg#:
034-108-1911
Ships in 3 Business Days
$216.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Press-on - 187mm)

ES#4017694 - CTS-HW-434 - CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Press-on - 187mm) - Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output *NOTE: This kit must be used with appropriate "Stage 2" performance software.

Brand:
CTS - Corporate Logo
ES#:
4017694
Mfg#:
CTS-HW-434
Ships in 8 Business Days
ON SALE! SAVE 20%
$529.99

This product was last offered at the strikethrough price on
09-29-2026

$423.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Bolt-On - 180mm)

ES#4017699 - CTS-HW-435 - CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Bolt-On - 180mm) - Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output *NOTE: This kit must be used with appropriate "Stage 2" performance software.

Brand:
CTS - Corporate Logo
ES#:
4017699
Mfg#:
CTS-HW-435
Special Order: No Guaranteed ETA
ON SALE! SAVE 20%
$529.99

This product was last offered at the strikethrough price on
09-29-2026

$423.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Press-on - 180mm)

ES#4017693 - CTS-HW-433 - CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Press-on - 180mm) - Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output *NOTE: This kit must be used with appropriate "Stage 2" performance software.

Brand:
CTS - Corporate Logo
ES#:
4017693
Mfg#:
CTS-HW-433
Special Order: No Guaranteed ETA
ON SALE! SAVE 20%
$529.99

This product was last offered at the strikethrough price on
09-29-2026

$423.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Hose - Outlet

ES#280915 - 06E133817J - 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 Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280915
Mfg#:
06E133817J
Ships on Nov 18, 2026
13% off MSRP

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

$121.99

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

$105.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#3651498 - 06e121111alktKT4 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3651498
Mfg#:
06E121111ALKTKT4
In Stock
ON SALE!
$71.99

This product was last offered at the strikethrough price on
06-18-2026

$70.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

034Motorsport Billet Oil Cap

ES#4685421 - 034-110-Z016 - 034Motorsport Billet Oil Cap - Machined from 6061-T6 aluminum and anodized bright black for lifelong great looks! - 034Motorsport - Audi

Machined from 6061-T6 aluminum and anodized bright black for lifelong great looks! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4685421
Mfg#:
034-110-Z016
Ships in 3 Business Days
$139.00 USD
Free Shipping

Radiator Installation Kit

ES#3678213 - wht001506akt2KT - Radiator Installation Kit - Install new hardware with your new radiator - Assembled By ECS - Audi

Install new hardware with your new radiator 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3678213
Mfg#:
WHT001506AKT2KT
Ships in 1-2 days
$146.99

This product was last offered at the strikethrough price on
05-07-2026

$136.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor O-Ring

ES#4057473 - 038103196B - Oil Level Sensor O-Ring - Seals the oil level sensor on the oil pan - Elring - Audi Volkswagen

Seals the oil level sensor on the oil pan 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4057473
Mfg#:
038103196B
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump O-Ring

ES#2739735 - WHT005184 - High Pressure Fuel Pump O-Ring - Seals the high pressure fuel pump to the cylinder head - Elring - Audi Volkswagen

Seals the high pressure fuel pump to the cylinder head 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2739735
Mfg#:
WHT005184
In Stock
$10.53

This product was last offered at the strikethrough price on
07-30-2026

$7.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Supercharger Pulley Kit For 3.0TFSI

ES#4821282 - UH016BTA - Unitronic Supercharger Pulley Kit For 3.0TFSI - Unitronic's Supercharger Pulley Upgrade effectively raises boost levels by increasing the speed in which the supercharger spins. - Unitronic - Audi

Unitronic's Supercharger Pulley Upgrade effectively raises boost levels by increasing the speed in which the supercharger spins.

Brand:
Unitronic - Corporate Logo
ES#:
4821282
Mfg#:
UH016BTA
Ships in 3 Business Days
$199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Relay

ES#2899229 - 4H0951253C - Relay - Make sure your electrical components are in working order - Vemo - Audi Volkswagen

Make sure your electrical components are in working order

Brand:
Vemo - Corporate Logo
ES#:
2899229
Mfg#:
4H0951253C
Ships in 2 Business Days
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit

ES#250241 - C6A6BKH5-40 - Oil Service Kit - Includes OE oil filter, drain plug/washer, and 7 liters of Pentosin 5w-40 - Assembled By ECS - Audi

Includes OE oil filter, drain plug/washer, and 7 liters of Pentosin 5w-40 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
250241
Mfg#:
C6A6BKH5-40
In Stock
ON SALE!
$136.99

This product was last offered at the strikethrough price on
09-14-2026

$132.57 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

AWE Track Edition Conversion Kit - B8/B8.5 S4/S5 - For 90mm Tips

ES#4044021 - 3820-41006 - AWE Track Edition Conversion Kit - B8/B8.5 S4/S5 - For 90mm Tips - Looking to crank it up a notch? - AWE - Audi

Looking to crank it up a notch? 2X Entries Into Our F80 M3 Sweepstakes

Brand:
AWE - Corporate Logo
ES#:
4044021
Mfg#:
3820-41006
Ships on Nov 24, 2026
15% off MSRP

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

$464.99

This product was last offered at the strikethrough price on
05-11-2026

$395.00 USD
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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