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Audi S4 Engine Parts & Accessories

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ES#4846426 - VWR900003-6KT - RacingLine Higher Output Ignition Coils - Red - Set of Six - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi

Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
To be used with the 2.0T coil pack conversion kits.

Brand:
Racingline - Corporate Logo
ES#:
4846426
Mfg#:
VWR900003-6KT
Ships in 3 Business Days
ON SALE! SAVE 10%
$236.04

This product was last offered at the strikethrough price on
07-01-2026

$212.44 USD
Free Shipping
on orders $49 and up
ES#515513 - 06E103926N - Rear Engine Cover - Replace your dulled or cracked piece  - Genuine Volkswagen Audi - Audi

Replace your dulled or cracked piece affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Please check existing part number before ordering

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
515513
Mfg#:
06E103926N
Ships in 3 Business Days
9% off MSRP

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

$231.99

This product was last offered at the strikethrough price on
07-03-2026

$211.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4851165 - PAB103495E - Oil Separator/Pressure Control Valve (PCV) - Also known as the "PCV". Located on the valve cover - Genuine Porsche - Audi Porsche

Also known as the "PCV". Located on the valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
4851165
Mfg#:
PAB103495E
Ships in 4 Business Days
$211.99 USD
Free Shipping
on orders $49 and up
ES#3980450 - 4Z7959455 - Auxiliary Fan Assembly - Larger diameter fan on the left side - Magneti Marelli - Audi

Larger diameter fan on the left side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magneti Marelli - Corporate Logo
ES#:
3980450
Mfg#:
4Z7959455
Ships in 1 Business Day
$105.65 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2308 - tb756757blu - Upper Intake Hose Kit - Blue - Replaces both connecting hoses off of the 'Y' pipe - Samco - Audi

Replaces both connecting hoses off of the 'Y' pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Samco - Corporate Logo
ES#:
2308
Mfg#:
TB756757BLU
Ships on Oct 1, 2026
$210.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3575761 - 034-509-0004 - Motorsport Engine Mount - Priced Each  - Offers a locked-down drivetrain, solid shifting, and virtually no wheel hop - Priced each, one car will need two mounts - 034Motorsport - Audi

Offers a locked-down drivetrain, solid shifting, and virtually no wheel hop - Priced each, one car will need two mounts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3575761
Mfg#:
034-509-0004
Ships in 2 Business Days
ON SALE! SAVE 10%
$117.00

This product was last offered at the strikethrough price on
06-28-2026

$105.30 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4151157 - 078145777C - Oil Supply Line - Left  - Connects the oil distributor to the turbocharger - Rein - Audi

Connects the oil distributor to the turbocharger 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!
Automatic transmission only

Brand:
Rein - Corporate Logo
ES#:
4151157
Mfg#:
078145777C
Ships in 1-2 days
ON SALE!
$228.99

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

$210.45 USD
Free Shipping
on orders $49 and up
ES#2866474 - 078906265M - Oxygen Sensor - Front Position  - Keep your engine running efficiently - Febi - Audi

Keep your engine running efficiently 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!
Fits left and right front position

Brand:
Febi - Corporate Logo
ES#:
2866474
Mfg#:
078906265M
Ships on Sep 30, 2026
$104.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2598260 - 06E905376A - Green Knock Sensor With Harness - 465mm - Detects engine ping for timing adjustment, 465mm length with green connector - FAE - Audi Volkswagen

Detects engine ping for timing adjustment, 465mm length with green connector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For cylinders 1-3

Brand:
FAE - Corporate Logo
ES#:
2598260
Mfg#:
06E905376A
Ships in 2 Business Days
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2598810 - 077103385DKT - Cylinder Head Bolt Set - A full set to secure one cylinder head - Victor Reinz - Audi Volkswagen

A full set to secure one cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2598810
Mfg#:
077103385DKT
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4699796 - 06M109513J - Timing Chain Guide Rail - Upper - Left rail near the center of the chain that connects to the camshaft - Genuine Volkswagen Audi - Audi

Left rail near the center of the chain that connects to the camshaft affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4699796
Mfg#:
06M109513J
In Stock
9% off MSRP

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

$32.99

This product was last offered at the strikethrough price on
07-03-2026

$29.99 USD
Free Shipping
on orders $49 and up
ES#2535082 - 078109479E - Timing Belt Damper - Applies pressure to the tensioning roller through the lever - URO - Audi Volkswagen

Applies pressure to the tensioning roller through the lever 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#:
2535082
Mfg#:
078109479E
Ships in 1 Business Day
$41.97 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2784778 - CO0LANTFLUSHKT1 - Cooling System Flush Kit - Keep your cooling system working at its best by keeping it clean and free of rust and scale deposits. Includes new expansion tank cap, flush treatment & G13 coolant. - Assembled By ECS - Audi Volkswagen

Keep your cooling system working at its best by keeping it clean and free of rust and scale deposits. Includes new expansion tank cap, flush treatment & G13 coolant. 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#:
2784778
Mfg#:
CO0LANTFLUSHKT1
In Stock
ON SALE! SAVE 17%
$62.99

This product was last offered at the strikethrough price on
01-26-2026

$52.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#2106948 - 8K0805399B - Torx Screw - Priced each - Genuine Volkswagen Audi - Audi

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2106948
Mfg#:
8K0805399B
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
07-03-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4342380 - 03C127311 - High Pressure Fuel Pump O-Ring - Seals the high pressure fuel pump to the cylinder head - Febi - Audi Volkswagen

Seals the high pressure fuel pump 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#:
4342380
Mfg#:
03C127311
Ships in 3 Business Days
$7.99

This product was last offered at the strikethrough price on
03-23-2026

$4.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#280581 - 06E103273AC - Balance Shaft - Get your Audi back on the road - Genuine Volkswagen Audi - Audi

Get your Audi back on the road affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280581
Mfg#:
06E103273AC
In Stock
Limited Qty Sale
$232.99

This product was last offered at the strikethrough price on
06-01-2026

$208.99 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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