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Audi A4 Engine Mechanical Parts

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JE Performance Forged Piston Set

ES#3675520 - 345812 - JE Performance Forged Piston Set - Includes rings, wire locks, and 22mm wrist pins - 82.5mm bore (stock), 9.6:1 CR, 92.8mm stroke (stock) - JE Piston - Audi Volkswagen

Includes rings, wire locks, and 22mm wrist pins - 82.5mm bore (stock), 9.6:1 CR, 92.8mm stroke (stock) To be used with connecting rods that accept 22mm wrist pins

Brand:
JE Piston - Corporate Logo
ES#:
3675520
Mfg#:
345812
In Stock
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Piston Assembly - Set Of 4

ES#4821225 - 06h107065dm4KT - Piston Assembly - Set Of 4 - Includes four piston assemblies with piston rings, wrist pins, and circlips - *Post oil consumption TSB - See long description for more details* - 23mm wrist pin - Kolbenschmidt - Audi Volkswagen

Includes four piston assemblies with piston rings, wrist pins, and circlips - *Post oil consumption TSB - See long description for more details* - 23mm wrist pin Post oil consumption TSB piston assembly - This updated piston assembly has larger 23mm wrist pin. Must be used with updated connecting rod (06H198401D)

Brand:
Kolbenschmidt - Corporate Logo
ES#:
4821225
Mfg#:
06H107065DM4KT
In Stock
$810.99

This product was last offered at the strikethrough price on
05-13-2026

$775.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Magnetic Oil Drain Plug Kit

ES#4499602 - 034-110-2000 - Billet Magnetic Oil Drain Plug Kit - Capture harmful particles to prevent wear. M14x1.5 - 034Motorsport - Audi Volkswagen MINI Porsche

Capture harmful particles to prevent wear. M14x1.5 Engine codes ATW & AWM. Engine code AEB from VIN 8D-X-200001, split is in the 1999 model year (or with the updated oil pan)

Brand:
034Motorsport - Corporate Logo
ES#:
4499602
Mfg#:
034-110-2000
In Stock
ON SALE! SAVE 10%
$22.00

This product was last offered at the strikethrough price on
08-17-2026

$19.80 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cam Follower Replacement Kit - With Fuel Pump Stud Conversion

ES#4069282 - 06d109309CKT3 - Cam Follower Replacement Kit - With Fuel Pump Stud Conversion - Vital kit consisting of cam follower, fuel pump sealing o-ring, & a stud conversion for the fuel pump to eliminate the risk of stripping out the cylinder head - Assembled By ECS - Audi Volkswagen

Vital kit consisting of cam follower, fuel pump sealing o-ring, & a stud conversion for the fuel pump to eliminate the risk of stripping out the cylinder head 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4069282
Mfg#:
06D109309CKT3
In Stock at Vendor
ON SALE!
$72.99

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

$71.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Price Each

ES#471936 - N91118902 - Bolt - Price Each - Bolt for securing crank shaft/main bearings, ten required, m10x80 - Genuine Volkswagen Audi - Audi Volkswagen

Bolt for securing crank shaft/main bearings, ten required, m10x80

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471936
Mfg#:
N91118902
In Stock
33% off MSRP

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

$9.58

This product was last offered at the strikethrough price on
08-19-2026

$6.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Balance Shaft Repair Set

ES#2631750 - 06H198205N - Balance Shaft Repair Set - Shafts necessary for balance shaft failure repair - Genuine Volkswagen Audi - Audi Volkswagen

Shafts necessary for balance shaft failure repair

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2631750
Mfg#:
06H198205N
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.

$815.99

This product was last offered at the strikethrough price on
06-25-2026

$745.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal - With Flange

ES#1899281 - 06A103171A - Rear Crankshaft Seal - With Flange - Also referred to as the rear main seal - Elring - Audi Volkswagen

Also referred to as the rear main seal 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
1899281
Mfg#:
06A103171A
In Stock
ON SALE!
$51.99

This product was last offered at the strikethrough price on
08-14-2026

$49.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler

ES#4818487 - 06J117021J - Engine Oil Cooler - Lowers engine oil temperature - Bremmen Parts - Audi Volkswagen

Lowers engine oil temperature 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818487
Mfg#:
06J117021J
Ships on Sep 28, 2026
Auto Notify
ON SALE! SAVE 21%
$74.99

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

$59.56 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug

ES#2631791 - 06L103801 - Oil Drain Plug - Replacement oil pan drain plug with seal - Genuine Volkswagen Audi - Audi Volkswagen

Replacement oil pan drain plug with seal

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2631791
Mfg#:
06L103801
In Stock
19% off MSRP

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

$9.42

This product was last offered at the strikethrough price on
08-19-2026

$7.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Adjuster Magnet - Priced Each

ES#4930696 - 06L109259E - Camshaft Adjuster Magnet - Priced Each - Stop oil leaks and replace the adjuster magnet in your vehicle - Genuine Volkswagen Audi - Audi Volkswagen

Stop oil leaks and replace the adjuster magnet in your vehicle

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4930696
Mfg#:
06L109259E
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.

$243.32

This product was last offered at the strikethrough price on
08-19-2026

$220.93 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Bolt Set

ES#2568874 - 06D198385D - Cylinder Head Bolt Set - A full set 10 head bolts to secure your cylinder head. M10x1.5x112 - Victor Reinz - Audi Volkswagen

A full set 10 head bolts to secure your cylinder head. M10x1.5x112

Brand:
Victor Reinz - Corporate Logo
ES#:
2568874
Mfg#:
06D198385D
Ships in 8 Business Days
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Valvetrain Kit

ES#259702 - SPRK-AUDI18 - Performance Valvetrain Kit - Includes springs, retainers, and spring seats - Supertech - Audi Volkswagen

Includes springs, retainers, and spring seats

Brand:
Supertech - Corporate Logo
ES#:
259702
Mfg#:
SPRK-AUDI18
Back Ordered
Auto Notify
20% off MSRP

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

$784.99

This product was last offered at the strikethrough price on
08-19-2026

$628.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete 2.0T Camshaft Replacement Kit - Stage 1

ES#2081104 - 06F198101B - Complete 2.0T Camshaft Replacement Kit - Stage 1 - Complete kit with all parts needed to replace a defective camshaft - Assembled By ECS - Audi Volkswagen

Complete kit with all parts needed to replace a defective camshaft 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2081104
Mfg#:
06F198101B
Ships in 1-2 days
ON SALE!
$606.99

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

$553.89 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Forged H-Beam connecting rods

ES#2794385 - IERHVA1 - Forged H-Beam connecting rods - 144x20mm forged H-beam rods from Integrated Engineering. - Integrated Engineering - Audi Volkswagen

144x20mm forged H-beam rods from Integrated Engineering. 5X Entries For Our 25th Anniversary Sweepstakes!
*To be used with aftermarket pistons with 20mm wrist pins*

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794385
Mfg#:
IERHVA1
In Stock
$542.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Adjuster Unit

ES#3220545 - 06F109088J - Camshaft Adjuster Unit - Adjusts exhaust camshaft for valve timing - Bremmen Parts - Audi Volkswagen

Adjusts exhaust camshaft for valve timing 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8E-5-578001, split is in the 2005 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
3220545
Mfg#:
06F109088J
In Stock
ON SALE! SAVE 20%
$260.99

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

$208.07 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Mechanical Parts

Whether you're repairing or upgrading your engine, we have engine parts from the most respected suppliers in the business. Purchase engine parts like connecting rods, valves, camshafts, cylinder heads, engine blocks, pistons, and more from ECS Tuning for your next engine repair or overhaul.

Let us help you find the parts that fit your Audi

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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