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Audi S4 Engine Parts & Accessories

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ES#451203 - 8K0805922A - Speed Nut - Priced Each - Used in securing the belly pan to the underside of the vehicle. 5mm - Genuine Volkswagen Audi - Audi

Used in securing the belly pan to the underside of the vehicle. 5mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451203
Mfg#:
8K0805922A
In Stock
17% off MSRP

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

$5.99

This product was last offered at the strikethrough price on
11-01-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3493176 - 003251ECS01KT - Engine Street Shield Skid Plate Hardware Kit - Replacement hardware kit for your ECS Engine Street Shield - ECS - Audi

Replacement hardware kit for your ECS Engine Street Shield 10X Entries Into Our F80 M3 Sweepstakes
Fits up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
3493176
Mfg#:
003251ECS01KT
In Stock
ON SALE! SAVE 20%
$94.21

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

$75.37 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2660891 - B8530TSTG1CHPKT - APR Stage 1 Performance Software - Single Program - Gains from 110 HP/89 TQ on 91 octane up to 133 HP/108 TQ on 100 octane - APR - Audi

Gains from 110 HP/89 TQ on 91 octane up to 133 HP/108 TQ on 100 octane Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
Vehicle must be brought to ECS Tuning for programming

Brand:
APR - Corporate Logo
ES#:
2660891
Mfg#:
B8530TSTG1CHPKT
In Stock
$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Average gain of 65 horsepower and 84 lb-ft of torque on 93 Octane

Brand:
Tunezilla - Corporate Logo
ES#:
4339723
Mfg#:
27T-250-2
Ships in 8 Business Days
$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#284637 - 079109469AD - Upper Guide Rail - Located between left and right idle gears above tensioner on the main timing chain - Genuine Volkswagen Audi - Audi

Located between left and right idle gears above tensioner on the main timing chain

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284637
Mfg#:
079109469AD
In Stock
8% off MSRP

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

$108.99

This product was last offered at the strikethrough price on
11-01-2026

$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4753187 - 06H906283J - Solenoid Valve - Used to control intake flapper operation - URO - Audi Volkswagen

Used to control intake flapper operation 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4753187
Mfg#:
06H906283J
Ships in 2 Business Days
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4697010 - 4M0199372GM - Engine Mount - Right - Restore your rides comfort - Genuine Volkswagen Audi - Audi

Restore your rides comfort

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4697010
Mfg#:
4M0199372GM
Ships in 3 Business Days
12% off MSRP

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

$340.00

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

$299.74 USD
Free Shipping
on orders $49 and up
ES#3639972 - JB4-B9-S4S5 - Burger Motorsports JB4 Tuner - This easy to install plug and play tuner attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost, timing, and fueling for optimal performance and reduced turbo lag. - Burger Motorsports - Audi

This easy to install plug and play tuner attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost, timing, and fueling for optimal performance and reduced turbo lag. Not for sale or use in the state of California.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3639972
Mfg#:
JB4-B9-S4S5
Ships on Nov 18, 2026
$599.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4871994 - P101181610.BR - M11 Upgrade Head Stud Set Burnished - High-strength Pro-Series 18.8 stud bolts. - Wagner Tuning - Audi

High-strength Pro-Series 18.8 stud bolts.

Brand:
Wagner Tuning - Corporate Logo
ES#:
4871994
Mfg#:
P101181610.BR
Ships in 2 Business Days
$599.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Average gain of 22 horsepower and 20 lb-ft of torque

Brand:
Tunezilla - Corporate Logo
ES#:
3097347
Mfg#:
42-V8-340-1
Ships in 8 Business Days
$599.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4660564 - 999941 - RaceChip XLR Throttle Controller With App Control - Eliminate the delay in throttle response times with a simple XLR addition! Allows for Bluetooth connectivity for easy App based control. - Race Chip - Audi Volkswagen

Eliminate the delay in throttle response times with a simple XLR addition! Allows for Bluetooth connectivity for easy App based control.

Brand:
Race Chip - Corporate Logo
ES#:
4660564
Mfg#:
999941
Ships in 8 Business Days
$299.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2803531 - 1J0201553A - Gas Cap - Replacement fuel tank cap for your vehicle. Tether not included. - Rein - Audi Volkswagen

Replacement fuel tank cap for your vehicle. Tether not included. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803531
Mfg#:
1J0201553A
In Stock
$18.66

This product was last offered at the strikethrough price on
06-23-2026

$13.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2831942 - 06E103772G - Oil Separator/Pressure Control Valve (PCV) Repair Kit - Replaces the common failure points of your PCV assembly. Includes diaphragm, spring, and cover. - Genuine Volkswagen Audi - Audi

Replaces the common failure points of your PCV assembly. Includes diaphragm, spring, and cover. Fits from the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2831942
Mfg#:
06E103772G
In Stock
10% off MSRP

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

$50.99

This product was last offered at the strikethrough price on
10-26-2026

$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4017820 - 021919369KIT - Auxillary Coolant Pump Thermal Switch 93/88 Deg C - 2 pin sensor - Also known as "after run coolant sensor" - Facet - Audi

2 pin sensor - Also known as "after run coolant sensor"

Brand:
Facet - Corporate Logo
ES#:
4017820
Mfg#:
021919369KIT
Ships in 2 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2644306 - 1J0907660F - Oil Level Sensor - Mounted on the bottom of the oil pan - Genuine Volkswagen Audi - Audi Volkswagen

Mounted on the bottom of the oil pan

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2644306
Mfg#:
1J0907660F
Ships in 3 Business Days
12% off MSRP

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

$226.99

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

$198.99 USD
Free Shipping
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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Manufacturer names and/or part numbers are used only for identification purposes.

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