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Audi B9 A4 Quattro 2.0T Engine Parts & Accessories

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ES#4906481 - 64.02.14 - Neuspeed Power Module EVO - B9.5 A4 Quattro - Proprietary tune box designed specifically for the EA888.3 2.0L 40 TFSI with gains of +45 Horsepower / 45 ft-lb of Torque! - Neuspeed - Audi

Proprietary tune box designed specifically for the EA888.3 2.0L 40 TFSI with gains of +45 Horsepower / 45 ft-lb of Torque! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
Compatible with 2020+ model years only

Brand:
Neuspeed - Corporate Logo
ES#:
4906481
Mfg#:
64.02.14
Ships in 3 Business Days
$569.99 USD
Free Shipping

Get up to +40 hp and +54 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4785814
Mfg#:
923732
Ships in 4 Business Days
$438.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5425926 -  VWR144001 - RacingLine Diverter Valve  - Engineered to deliver consistent boost control even under the most demanding conditions - Racingline - Audi Volkswagen

Engineered to deliver consistent boost control even under the most demanding conditions affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
5425926
Mfg#:
VWR144001
Ships in 4 Business Days
$440.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5341299 - 06L121492R - Turbocharger Coolant Line - Return Line - Rein - Audi

Return Line affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5341299
Mfg#:
06L121492R
Ships in 4 Business Days
$78.99 USD
Free Shipping
on orders $49 and up
ES#4907740 - 06L145778T - Turbo Oil Line - Feed - Connects the oil filter housing to the top of the turbo - Rein - Audi

Connects the oil filter housing to the top of the turbo affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles whit production date up to 05/18/2019

Brand:
Rein - Corporate Logo
ES#:
4907740
Mfg#:
06L145778T
Ships in 4 Business Days
$78.99 USD
Free Shipping
on orders $49 and up
ES#3969444 - SAUX076 - 3.15" High Flow Sports Cat - 3.15" T304 stainless construction, offers increased hp/tq throughout the powerband - Scorpion - Audi

3.15" T304 stainless construction, offers increased hp/tq throughout the powerband affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through 2020

Brand:
Scorpion - Corporate Logo
ES#:
3969444
Mfg#:
SAUX076
Ships in 3 Business Days
$733.99 USD
Free Shipping
on orders $49 and up
ES#4715392 - 05-889-00184-3 - Audi 2.0 Ultra W.1 ECU Tune - Increase of +40 Horsepower, and +25 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications! - Weistec - Audi

Increase of +40 Horsepower, and +25 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Weistec - Corporate Logo
ES#:
4715392
Mfg#:
05-889-00184-3
Ships in 2 Business Days
$500.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Located on the front of 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!
Fits vehicles with production date up to 5/13/2019 (CYMC engine code)

Brand:
Bosch - Corporate Logo
ES#:
4846470
Mfg#:
06K127028L
In Stock at Vendor
$520.99

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

$506.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Includes a refundable $52 core charge 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:
Bosch - Corporate Logo
ES#:
4829878
Mfg#:
06L911021KTKT
In Stock at Vendor
$338.99

This product was last offered at the strikethrough price on
05-08-2026

$330.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Get your vehicle running again affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Delphi - Corporate Logo
ES#:
4620193
Mfg#:
8W0919087K
In Stock at Vendor
$552.99

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

$536.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

OEM replacement turbo affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For "40 TFSI" models from the 2021 model year only

Brand:
Garrett - Corporate Logo
ES#:
4709398
Mfg#:
06N145701D
Ships in 2 Business Days
$1199.99 USD
Free Shipping
on orders $49 and up

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

Brand:
Hitachi - Corporate Logo
ES#:
5396920
Mfg#:
06H906433D
Ships in 7 Business Days
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Applies cam movement to the intake & exhaust valves affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For intake valves only

Brand:
Ina - Corporate Logo
ES#:
3214731
Mfg#:
06E109417H
Ships in 8 Business Days
$8.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Downpipe with HJS 200-Cell High Flow Cat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
4159430
Mfg#:
SSXAU744
Ships in 4 Business Days
$1514.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Replaces the failure-prone factory diaphragm for rock-solid boost control affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles from the 2021 model year only.

Brand:
Racingline - Corporate Logo
ES#:
5456834
Mfg#:
VWR144002
Ships in 4 Business Days
$440.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Replaces the failure-prone factory diaphragm for rock-solid boost control affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through the 2020 year.

Brand:
Racingline - Corporate Logo
ES#:
5456833
Mfg#:
VWR144001
Ships in 4 Business Days
$440.99 USD
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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