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Audi B9 A4 FWD 2.0T

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Audi B9 A4 FWD 2.0T Engine Parts & Accessories

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APR Upgraded Ignition Coil - Grey - Priced Each

ES#4164358 - MS100203 - APR Upgraded Ignition Coil - Grey - Priced Each - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi Volkswagen Porsche

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! 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!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4164358
Mfg#:
MS100203
EO#:
D-783-5
In Stock
12% off MSRP

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

$59.95

This product was last offered at the strikethrough price on
06-30-2026

$52.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#4671694 - 06L121111N - Thermostat - Includes housing and gasket - Genuine Volkswagen Audi - Audi Volkswagen

Includes housing and gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4671694
Mfg#:
06L121111N
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.

$536.87

This product was last offered at the strikethrough price on
06-30-2026

$494.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Flow Charge Pipe Kit

ES#3557326 - 021469ecs01aKT - High Flow Charge Pipe Kit - Increase intake air flow with our high flow charge pipes for your OEM intercooler! - ECS - Audi

Increase intake air flow with our high flow charge pipes for your OEM intercooler! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with production date up through 2020

Brand:
ECS - Corporate Logo
ES#:
3557326
Mfg#:
021469ECS01AKT
In Stock
ON SALE! SAVE 25%
$378.99

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

$284.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Belt

ES#4818497 - 06K121605 - Water Pump Belt - Recommended to be replaced with the water pump - Bremmen Parts - Audi Volkswagen

Recommended to be replaced with the water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818497
Mfg#:
06K121605
In Stock
ON SALE! SAVE 13%
$22.99

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake manifold gasket

ES#2594961 - 06K129717A - Intake manifold gasket - Seals your intake manifold to your cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Seals your intake manifold to your cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2594961
Mfg#:
06K129717A
In Stock
16% off MSRP

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

$53.72

This product was last offered at the strikethrough price on
06-30-2026

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat/Water Pump Kit

ES#4039367 - 06L121111H - Thermostat/Water Pump Kit - Includes thermostat, water pump, gasket, and belt. Made in Germany! - Vemo - Audi Volkswagen

Includes thermostat, water pump, gasket, and belt. Made in Germany! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
4039367
Mfg#:
06L121111H
Ships on Oct 26, 2026
$376.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Accessory Belt

ES#4661028 - 6PK1130 - Performance Kevlar Reinforced Accessory Belt - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - Audi Volkswagen
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4661028
Mfg#:
6PK1130
Ships on Aug 3, 2026
Auto Notify
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Belt

ES#3448166 - 06K121605 - 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#:
3448166
Mfg#:
06K121605
In Stock
$26.99

This product was last offered at the strikethrough price on
06-22-2026

$26.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing chain - upper

ES#4172155 - 06K109158BP - Timing chain - upper - Stop stretched out chains from creating noise - Genuine Volkswagen Audi - Audi Volkswagen

Stop stretched out chains from creating noise affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4172155
Mfg#:
06K109158BP
In Stock
2% off MSRP

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

$244.99

This product was last offered at the strikethrough price on
03-25-2026

$238.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VWR Billet Oil Filler Cap

ES#3188198 - VWR19G702 - VWR Billet Oil Filler Cap - Replace the factory plastic cap with this sturdy aluminum one in gloss midnight black anodizing - Racingline - Audi Volkswagen Porsche

Replace the factory plastic cap with this sturdy aluminum one in gloss midnight black anodizing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through the 2020 model year only

Brand:
Racingline - Corporate Logo
ES#:
3188198
Mfg#:
VWR19G702
In Stock
ON SALE! SAVE 11%
$103.99

This product was last offered at the strikethrough price on
06-30-2026

$92.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Baffled Oil Catch Can System

ES#3194688 - 019205ecs01KT - Performance Baffled Oil Catch Can System - Keep your intake tract clean and carbon free - ECS - Audi

Keep your intake tract clean and carbon free affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3194688
Mfg#:
019205ECS01KT
In Stock
ON SALE!
$616.99

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

$586.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Intercooler Upgrade 2.0TSI MLB B9 A4/A5/Allroad

ES#4362348 - UH016-ICA - Unitronic Intercooler Upgrade 2.0TSI MLB B9 A4/A5/Allroad - Direct OEM replacement kit featuring a massive bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and a TIG welded construction. - Unitronic - Audi

Direct OEM replacement kit featuring a massive bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and a TIG welded construction. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!

Brand:
Unitronic - Corporate Logo
ES#:
4362348
Mfg#:
UH016-ICA
In Stock
$949.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/A5 ECU Cover - Matte Black

ES#3739793 - 028799ECS01 - Audi B9 A4/A5 ECU Cover - Matte Black - Compliment your engine bay and hide away the exposed ECU - ECS - Audi

Compliment your engine bay and hide away the exposed ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3739793
Mfg#:
028799ECS01
In Stock
ON SALE! SAVE 25%
$103.99

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

$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Installation Kit

ES#4685241 - 06L253039IKT - Turbocharger Installation Kit - All hardware & gaskets that you would need to install a turbocharger - Genuine Volkswagen Audi - Audi

All hardware & gaskets that you would need to install a turbocharger affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4685241
Mfg#:
06L253039IKT
Ships in 3 Business Days
$217.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Additive

ES#1895145 - G001770A2 - Fuel Additive - 90ML Gasoline additive used to clean your VW or Audi's fuel system - Genuine Volkswagen Audi - Audi Volkswagen

90ML Gasoline additive used to clean your VW or Audi's fuel system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1895145
Mfg#:
G001770A2
In Stock
4% off MSRP

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

$12.29

This product was last offered at the strikethrough price on
06-30-2026

$11.78 USD
Free Shipping
on orders $49 and up

Silicone Turbo Inlet Hose

ES#4017429 - 019216ECS02 - Silicone Turbo Inlet Hose - Flexible silicone smooths the intake tract & provides unimpeded airflow. The ultimate in looks and durability! - ECS - Audi

Flexible silicone smooths the intake tract & provides unimpeded airflow. The ultimate in looks and durability! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Does not fit models equipped with a MAF sensor (DBPA or DPAA engine codes) - Please verify prior to order

Brand:
ECS - Corporate Logo
ES#:
4017429
Mfg#:
019216ECS02
In Stock
ON SALE! SAVE 25%
$96.99

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

$72.74 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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Manufacturer names and/or part numbers are used only for identification purposes.

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