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Audi S4 Engine Parts & Accessories

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Secondary Air Injection Hose - Inlet

ES#461721 - 8T0133817D - Secondary Air Injection Hose - Inlet - Connects the secondary air pump to the air box - Genuine Volkswagen Audi - Audi

Connects the secondary air pump to the air box affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
461721
Mfg#:
8T0133817D
Ships in 1 day
8% off MSRP

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

$194.99

This product was last offered at the strikethrough price on
06-29-2026

$178.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling Fan Assembly

ES#4415012 - 4B3959457 - Cooling Fan Assembly - VDO - Audi

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

Brand:
VDO - Corporate Logo
ES#:
4415012
Mfg#:
4B3959457
Special Order: No Guaranteed ETA
$178.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Titanium 3.0T/2.9T Ignition Coil Hardware Kit - Set Of Six Red Titanium Washers

ES#4476331 - TI-M6X1X40-6RD - Titanium 3.0T/2.9T Ignition Coil Hardware Kit - Set Of Six Red Titanium Washers - Replace your pesky OEM ignition coil tiedown studs with these titanium bolts! - ECS - Audi

Replace your pesky OEM ignition coil tiedown studs with these titanium bolts! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4476331
Mfg#:
TI-M6X1X40-6RD
Ships in 4 Business Days
ON SALE! SAVE 10%
$65.99

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

$59.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Installation Kit

ES#2587751 - 077906037AKT1 - Fuel Injector Installation Kit - Takes the guess work out of installing fuel injectors - Genuine Volkswagen Audi - Audi

Takes the guess work out of installing fuel injectors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2587751
Mfg#:
077906037AKT1
Ships in 1 day
$177.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Supply Pipe - With Bracket

ES#5424554 - 06E121045BB - Coolant Supply Pipe - With Bracket - Main supply pipe that connects to the upper radiator hose and the engine - Hamburg Tech - Audi

Main supply pipe that connects to the upper radiator hose and the engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2013 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
5424554
Mfg#:
06E121045BB
In Stock at Vendor
$88.99 USD
Free Shipping
on orders $49 and up

Rear Oxygen Sensor - Priced Each

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits the left and right position

Brand:
Facet - Corporate Logo
ES#:
4135683
Mfg#:
06E906265Q
In Stock at Vendor
$91.99

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

$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler

ES#4769754 - 06M117015M - Engine Oil Cooler - Lowers engine oil temperature - Nissens - Audi

Lowers engine oil temperature We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
4769754
Mfg#:
06M117015M
Back Ordered
$105.99

This product was last offered at the strikethrough price on
02-04-2026

$88.99 USD
Free Shipping
on orders $49 and up

Supercharger Bypass Valve

Releases air pressure when off throttle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4723157
Mfg#:
057128063G
Special Order: No Guaranteed ETA
ON SALE! SAVE 20%
$221.99

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

$177.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Oil Filter Housing

Manufactured from cast aluminum instead of plastic for improved durability. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magneti Marelli - Corporate Logo
ES#:
5427243
Mfg#:
06M115401M
Special Order: No Guaranteed ETA
Auto Notify
$176.99 USD
Free Shipping

Hall Sender - Priced Each

ES#4940355 - 058905161B - Hall Sender - Priced Each - Measures cam position and relays it to the ECU - Bremmen Parts - Audi Volkswagen

Measures cam position and relays it to the ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940355
Mfg#:
058905161B
In Stock
ON SALE! SAVE 23%
$18.99

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

$14.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor Spacer

ES#284122 - 078906435 - Crankshaft Position Sensor Spacer - Sits between the speed sensor and the engine block - Genuine Volkswagen Audi - Audi

Sits between the speed sensor and the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284122
Mfg#:
078906435
Ships in 2 Business Days
6% off MSRP

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

$46.99

This product was last offered at the strikethrough price on
06-29-2026

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Replacement Kit

ES#2973048 - 028117021EKT - Oil Cooler Replacement Kit - Includes the necessary components to replace your oil cooler and perform an engine oil service - Assembled By ECS - Audi

Includes the necessary components to replace your oil cooler and perform an engine oil service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8D-Y-022961, split is in the 2000 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2973048
Mfg#:
028117021EKT
In Stock
ON SALE!
$187.99

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

$175.52 USD
Free Shipping
This product is lifetime replacement eligible Partial 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 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#:
4057473
Mfg#:
038103196B
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bleeder bolt

ES#280831 - 06E127535B - Bleeder bolt - Plastic bleeder bolts on the back of the supercharger - Genuine Volkswagen Audi - Audi

Plastic bleeder bolts on the back of the supercharger affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280831
Mfg#:
06E127535B
In Stock
13% off MSRP

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

$11.14

This product was last offered at the strikethrough price on
01-31-2026

$9.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Timing Belt Kit - Ultimate

ES#1440 - 054198479V2 - ECS Tuning Timing Belt Kit - Ultimate - Everything you need for a complete timing belt job. - Assembled By ECS - Audi

Everything you need for a complete timing belt job. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
1440
Mfg#:
054198479V2
Ships in 4 Business Days
ON SALE!
$177.06

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

$174.15 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump Chain

ES#2873473 - 078115125A - Oil Pump Chain - Drives the oil pump from the crankshaft - Febi - Audi Volkswagen

Drives the oil pump from the crankshaft 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:
Febi - Corporate Logo
ES#:
2873473
Mfg#:
078115125A
Ships in 2 Business Days
$58.01 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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Manufacturer names and/or part numbers are used only for identification purposes.

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