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Audi S4 Engine Parts & Accessories

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Hex Head Bolt With Shoulder - Priced Each

ES#471389 - N90975402 - Hex Head Bolt With Shoulder - Priced Each - Install new hardware with your new parts. M12x90 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M12x90 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmissions

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471389
Mfg#:
N90975402
Ships in 1 day
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snub Mount

ES#3982293 - 8D0199339P - Snub Mount - Reduce excessive engine vibrations - URO - Audi Volkswagen

Reduce excessive engine vibrations 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:
URO - Corporate Logo
ES#:
3982293
Mfg#:
8D0199339P
Ships in 1 Business Day
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler O-Ring - Priced Each

ES#470915 - N90832501 - Oil Cooler O-Ring - Priced Each - Seals the connection between the oil cooler and the engine - Genuine Volkswagen Audi - Audi

Seals the connection between the oil cooler and the engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to VIN 8E-4-200000, split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470915
Mfg#:
N90832501
Ships in 1 day
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt (M8x22) - Priced Each

ES#467240 - N10006706 - Hex Bolt (M8x22) - Priced Each - Install new hardware with your new parts - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures automatic transmission mount to the bracket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467240
Mfg#:
N10006706
Ships in 1 day
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
06-21-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch Gasket

ES#467116 - N0438083 - Radiator Fan Switch Gasket - Install new hardware with your new parts. 22x29x1.50 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 22x29x1.50 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467116
Mfg#:
N0438083
Ships in 1 day
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap Seal

ES#2598146 - 1H0121687A - Expansion Tank Cap Seal - Seals the expansion tank cap to the reservoir. 28.5x3.8 - Vaico - Audi Volkswagen

Seals the expansion tank cap to the reservoir. 28.5x3.8 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2598146
Mfg#:
1H0121687A
In Stock at Vendor
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pinch Clamp - Priced Each

ES#4816 - N90411901 - Pinch Clamp - Priced Each - Install new hardware with your new parts. 27.1x7x0.6 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 27.1x7x0.6 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4816
Mfg#:
N90411901
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Retaining Bolt

ES#3153110 - N91238501 - Timing Chain Retaining Bolt - Holds the right side timing chain guide in place - Genuine Volkswagen Audi - Audi Volkswagen

Holds the right side timing chain guide in place affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3153110
Mfg#:
N91238501
Ships in 1 day
34% off MSRP

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

$1.50

This product was last offered at the strikethrough price on
06-21-2026

$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

Also known as the RPM or speed sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Manual transmission models

Brand:
Hitachi - Corporate Logo
ES#:
5397126
Mfg#:
06A906433C
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch (91-102°C) - 3 Pin

ES#3478132 - 191959481A - Auxiliary Fan Switch (91-102C) - 3 Pin - Located on the lower side of the radiator - Meyle - Audi Volkswagen

Located on the lower side of the radiator 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:
Meyle - Corporate Logo
ES#:
3478132
Mfg#:
191959481A
Ships in 1 day
$18.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug

ES#1306602 - N90813202 - Oil Drain Plug - Includes crush washer. M14x1.5 - OE Aftermarket - Audi Volkswagen

Includes crush washer. M14x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
OE Aftermarket - Corporate Logo
ES#:
1306602
Mfg#:
N90813202
Ships in 1 day
$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hall Sender - Priced Each

Measures cam position and relays it to the ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hitachi - Corporate Logo
ES#:
5396991
Mfg#:
058905161B
Ships in 6 Business Days
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#2840855 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Meyle - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings 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:
Meyle - Corporate Logo
ES#:
2840855
Mfg#:
06A919501A
Ships on Oct 29, 2026
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#3970026 - 069121113 - Thermostat (87C) - Prevent overheating and premature engine wear. Includes O-ring - Meyle - Audi

Prevent overheating and premature engine wear. Includes O-ring 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:
Meyle - Corporate Logo
ES#:
3970026
Mfg#:
069121113
Ships on Oct 29, 2026
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Filter

ES#261564 - 441201511c - Fuel Filter - Restore fuel mileage and performance - Meyle - Audi Volkswagen

Restore fuel mileage and performance 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:
Meyle - Corporate Logo
ES#:
261564
Mfg#:
441201511C
Ships on Oct 29, 2026
$18.05

This product was last offered at the strikethrough price on
12-29-2025

$17.99 USD
Free Shipping
on orders $49 and up

Thermal Switch - 2 Pin

ES#2608211 - 357919369F - Thermal Switch - 2 Pin - Located in the coolant pipe that connects to the cylinder head - Febi - Audi Volkswagen

Located in the coolant pipe that connects to the cylinder head 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#:
2608211
Mfg#:
357919369F
Back Ordered
Auto Notify
$17.99 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.

Let us help you find the parts that fit your Audi

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