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Audi B9 A4 Quattro 2.0T Engine Parts & Accessories

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ES#4338188 - 2101 - 12.0" 3.75mm (5/32") ID Black Silicone Vacuum Hose - ECS - Audi BMW Volkswagen Mercedes Benz

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

Brand:
ECS - Corporate Logo
ES#:
4338188
Mfg#:
2101
In Stock
ON SALE! SAVE 25%
$33.99

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

$25.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2264 - N138492 - Copper Drain Plug Washer - Priced Each - Replace with every oil service to prevent leaks. M14x20x1.5 - Elring - Audi Volkswagen

Replace with every oil service to prevent leaks. M14x20x1.5 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#:
2264
Mfg#:
N138492
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2737432 - 06K109467P - Timing Chain Tensioner - Upper - For the camshaft chain and located near the left guide rail - Genuine Volkswagen Audi - Audi Volkswagen

For the camshaft chain and located near the left guide rail affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2737432
Mfg#:
06K109467P
Ships in 3 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.

$129.99

This product was last offered at the strikethrough price on
02-26-2026

$121.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3432304 - 034-145-Z009 - Billet Intake Manifold Plug & Boost Tap  - Designed for use with custom PCV, aftermarket catch can setups, or boost gauges. - 034Motorsport - Audi Volkswagen

Designed for use with custom PCV, aftermarket catch can setups, or boost gauges. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3432304
Mfg#:
034-145-Z009
In Stock
$53.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4780697 - MS1001921KT - Performance Ignition Service Kit - With Service Tools - Features APR Upgraded Ignition Coils and NGK plugs, ensuring a stronger and more consistent spark! - Assembled By ECS - Audi Volkswagen

Features APR Upgraded Ignition Coils and NGK plugs, ensuring a stronger and more consistent spark! 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#:
4780697
Mfg#:
MS1001921KT
In Stock
ON SALE!
$407.99

This product was last offered at the strikethrough price on
04-27-2026

$401.80 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3610242 - 06K109210AF - Timing Chain Cover - Lower - Cover for lower section of timing chain - Includes front crank seal, plug, and sealant - Rein - Audi Volkswagen

Cover for lower section of timing chain - Includes front crank seal, plug, and sealant 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:
Rein - Corporate Logo
ES#:
3610242
Mfg#:
06K109210AF
Ships in 3 Business Days
$300.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4442362 - PRWMQBPFPAWD - Precision Raceworks Performance Fuel Pump Kit - Specially designed for up to 350% more fuel than the factory fuel pump and all options are 100% E85 compliant. - Precision Raceworks - Audi Volkswagen

Specially designed for up to 350% more fuel than the factory fuel pump and all options are 100% E85 compliant. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4442362
Mfg#:
PRWMQBPFPAWD
Ships in 7 Business Days
Starting at $299.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4613928 - 03G906051M - MAP Sensor - Located on the turbo outlet pipe - URO - Audi Volkswagen

Located on the turbo outlet pipe 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!
For vehicles with models years through 2020 (Engine Code DJYA/DBPA/CYMC)

Brand:
URO - Corporate Logo
ES#:
4613928
Mfg#:
03G906051M
In Stock
$23.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4487607 - CI100036 - APR Carbon Fiber Intake System - Flows 46% more than stock, reduces pressure drop, and improves turbocharger efficiency. - APR - Audi

Flows 46% more than stock, reduces pressure drop, and improves turbocharger efficiency. Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Not for vehicles with MAF sensor

Brand:
APR - Corporate Logo
ES#:
4487607
Mfg#:
CI100036
Ships in 6 Business Days
11% off MSRP

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

$1318.99

This product was last offered at the strikethrough price on
06-24-2026

$1171.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4220051 - 49-36419-B - MACH Force-Xp Stainless Steel Axle-Back Exhaust System - Resonated 3" to 2-1/2" 304 Stainless Steel with black tips - AFE - Audi

Resonated 3" to 2-1/2" 304 Stainless Steel with black tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
4220051
Mfg#:
49-36419-B
In Stock at Vendor
20% off MSRP

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

$1441.99

This product was last offered at the strikethrough price on
06-24-2026

$1153.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3988147 - 034-108-1024 - X34 Carbon Fiber Intake Air Duct  - The perfect companion to the 034Motorsport X34 Carbon Fiber Cold Air Intake System - 034Motorsport - Audi

The perfect companion to the 034Motorsport X34 Carbon Fiber Cold Air Intake System affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*To be used with 034Motorsport X34 Intake System or most aftermarket intakes that utilize the OEM air duct*

Brand:
034Motorsport - Corporate Logo
ES#:
3988147
Mfg#:
034-108-1024
Ships in 3 Business Days
$377.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3614068 - 8W0906262G - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3614068
Mfg#:
8W0906262G
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.

$258.99

This product was last offered at the strikethrough price on
06-15-2026

$236.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4143346 - 8W0121405L - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Genuine Volkswagen Audi - Audi

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with CYMC Engine Code Only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4143346
Mfg#:
8W0121405L
Ships in 1-2 days
8% off MSRP

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

$201.99

This product was last offered at the strikethrough price on
06-24-2026

$184.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4846369 - 034-708-0006 - Active Motor Mount Resistor Bypass - Priced Each - Used to remove the soft code caused by replacing the failure-prone factory "active" mounts with 034Motorsport Density Line & Motorsport Spec Engine Mounts. One required per mount. - 034Motorsport - Audi

Used to remove the soft code caused by replacing the failure-prone factory "active" mounts with 034Motorsport Density Line & Motorsport Spec Engine Mounts. One required per mount. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4846369
Mfg#:
034-708-0006
In Stock
$14.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2831232 - 06H198401D - Connecting Rods - Set Of Four - Direct replacement connecting rods, includes rod bolts & caps - Genuine Volkswagen Audi - Audi Volkswagen

Direct replacement connecting rods, includes rod bolts & caps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2831232
Mfg#:
06H198401D
In Stock
ON SALE! SAVE 18%
$1351.99

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

$1101.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4028100 - 06K121605C - Water Pump Belt  - Recommended to be replaced with the water pump - Continental - Audi Volkswagen

Recommended to be replaced with the water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
4028100
Mfg#:
06K121605C
In Stock
ON SALE! SAVE 11%
$30.99

This product was last offered at the strikethrough price on
02-22-2026

$27.54 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.

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