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Audi B9 A4 Quattro 2.0T

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Audi B9 A4 Quattro 2.0T Engine Parts & Accessories

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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

Brand:
Unitronic - Corporate Logo
ES#:
4362348
Mfg#:
UH016-ICA
In Stock
$949.99 USD
Free Shipping
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

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

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
06-24-2026

$11.78 USD
Free Shipping
on orders $49 and up

CTS High Performance Red Ignition Coil For Gen3 TSI - Priced Each

ES#4419973 - CTS-IGN-007 - CTS High Performance Red Ignition Coil For Gen3 TSI - Priced Each - These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at its peak performance. - CTS - Audi Volkswagen

These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at it’s peak performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4419973
Mfg#:
CTS-IGN-007
Ships in 8 Business Days
$39.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector installation Kit - Priced Each

ES#3439102 - 06J998907D - Fuel Injector installation Kit - Priced Each - One kit required per injector - Genuine Volkswagen Audi - Audi Volkswagen Porsche

One kit required per injector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3439102
Mfg#:
06J998907D
In Stock
25% off MSRP

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

$28.98

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

$21.75 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Tensioner - Lower

ES#4668864 - 06H109467BA - Timing Chain Tensioner - Lower - Keeps your timing chain from becoming loose - Bremmen Parts - Audi Volkswagen

Keeps your timing chain from becoming loose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4668864
Mfg#:
06H109467BA
In Stock
ON SALE! SAVE 17%
$76.99

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

$63.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Installation Kit

ES#5434406 - 06J998907DKT3 - Fuel Injector Installation Kit - A simple kit include to service all four injectors! - Assembled By ECS - Audi Volkswagen Porsche

A simple kit include to service all four injectors! 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#:
5434406
Mfg#:
06J998907DKT3
In Stock
ON SALE! SAVE 20%
$47.99

This product was last offered at the strikethrough price on
02-25-2026

$38.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4447287 - 06k905601kKT - Performance Ignition Service Kit - Features APR Upgraded Ignition Coils and OEM plugs, ensuring a stronger and more consistent spark! - Assembled By ECS - Audi Volkswagen

Features APR Upgraded Ignition Coils and OEM 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!
CARB certified for sale in all 50 states

Brand:
Assembled By ECS - Corporate Logo
ES#:
4447287
Mfg#:
06K905601KKT
EO#:
D-783-5
In Stock
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Cover - Upper

ES#4151149 - 06K103269F - Timing Chain Cover - Upper - Upper timing cover located on the cylinder head - Rein - Audi Volkswagen

Upper timing cover located on 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!
For vehicles with engine codes CYMC, DAYB, DLHB, CYNB

Brand:
Rein - Corporate Logo
ES#:
4151149
Mfg#:
06K103269F
In Stock
$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit

ES#3648475 - 06l903133d2KT - Accessory Belt Kit - Keep your drive belt tight with a new belt, tensioner, and hardware - Assembled By ECS - Audi Volkswagen

Keep your drive belt tight with a new belt, tensioner, and hardware 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#:
3648475
Mfg#:
06L903133D2KT
In Stock
ON SALE! SAVE 14%
$78.99

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

$68.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/PCV Valve

ES#4691260 - 06K103495BL - Oil Separator/PCV Valve - Also called the "breather valve" or "oil separator" - Hamburg Tech - Audi Volkswagen

Also called the "breather valve" or "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with CYMC engine code only

Brand:
Hamburg Tech - Corporate Logo
ES#:
4691260
Mfg#:
06K103495BL
In Stock
$89.99

This product was last offered at the strikethrough price on
06-10-2026

$79.95 USD
Free Shipping
on orders $49 and up

Camshaft Adjuster Valve Unit - Priced Each

ES#2818194 - 06L109257F - Camshaft Adjuster Valve Unit - Priced Each - Controls the flow of oil for the camshaft adjuster - Genuine Volkswagen Audi - Audi Volkswagen

Controls the flow of oil for the camshaft adjuster affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up through 6/13/2016 only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2818194
Mfg#:
06L109257F
Ships in 3 Business Days
7% off MSRP

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

$179.99

This product was last offered at the strikethrough price on
02-18-2026

$167.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Cover - Lower

ES#4351836 - 06k109210afKT5 - Timing Chain Cover - Lower - Cover for lower section of timing chain - Includes front crank seal, plug, and sealant - Elring - 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:
Elring - Corporate Logo
ES#:
4351836
Mfg#:
06K109210AFKT5
In Stock
$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

2.0T Gen3 High Performance Rod Bearing Set - Standard

ES#4136133 - 4B5562H-STD - 2.0T Gen3 High Performance Rod Bearing Set - Standard - Includes upper and lower bearing shells for a complete rod bearing replacement. - ACL - Audi Volkswagen

Includes upper and lower bearing shells for a complete rod bearing replacement. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ACL - Corporate Logo
ES#:
4136133
Mfg#:
4B5562H-STD
Back Ordered
Auto Notify
$50.99 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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