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Audi A4 Engine Parts & Accessories

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Breather Tube

ES#281336 - 06H103213J - Breather Tube - Located on the rear of the valve cover, a common boost leak area - Genuine Volkswagen Audi - Audi

Located on the rear of the valve cover, a common boost leak area

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281336
Mfg#:
06H103213J
Ships in 1-2 days
2% 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
08-07-2026

$252.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Guide Rail - Upper

ES#3220556 - 06H109469T - Timing Chain Guide Rail - Upper - Upper rail on the chain that connects to the camshaft - Bremmen Parts - Audi Volkswagen

Upper rail on the chain that connects to the camshaft 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with production date up to 7/1/2013

Brand:
Bremmen Parts - Corporate Logo
ES#:
3220556
Mfg#:
06H109469T
In Stock
ON SALE! SAVE 24%
$8.99

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

$6.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Tensioner

ES#4690000 - 06E109218AQ - Timing Chain Tensioner - Upper tensioner located on the Right cylinder head - Bremmen Parts - Audi

Upper tensioner located on the Right cylinder head 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4690000
Mfg#:
06E109218AQ
In Stock
ON SALE!
$118.99

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

$112.39 USD
Free Shipping
on orders $49 and up

Repair Set For Camshaft Adjuster - With Housing

ES#4683892 - 06F198088D - Repair Set For Camshaft Adjuster - With Housing - Located on the back of the cylinder head - Vaico - Audi Volkswagen

Located on the back of the cylinder head We Price Match - Give Us A Call or Chat!
Up To VIN 8E-5-578000, split is in the 2005 model year

Brand:
Vaico - Corporate Logo
ES#:
4683892
Mfg#:
06F198088D
In Stock at Vendor
$1040.99

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

$1010.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit - Premium

ES#3426744 - 12404KT1 - Oil Service Kit - Premium - Includes Redline Euro-Series synthetic oil, Hengst filter, and drain plug - Assembled By ECS - Audi

Includes Redline Euro-Series synthetic oil, Hengst filter, and drain plug 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8E-6-285001, split is in the 2006 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
3426744
Mfg#:
12404KT1
Ships on Aug 27, 2026
Auto Notify
$167.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Purge Valve

ES#281033 - 06E906517A - Purge Valve - Common fix for error code DTC#P0441 - Genuine Volkswagen Audi - Audi Volkswagen

Common fix for error code DTC#P0441

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281033
Mfg#:
06E906517A
In Stock
7% off MSRP

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

$71.99

This product was last offered at the strikethrough price on
08-07-2026

$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Idler Pulley

ES#4830571 - 06E903341G - Accessory Belt Idler Pulley - Also referred to as the 'relay roller' - Bremmen Parts - Audi

Also referred to as the 'relay roller' 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830571
Mfg#:
06E903341G
In Stock
ON SALE! SAVE 22%
$22.99

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

$17.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cam Chain Tensioner Gasket Set

ES#2550773 - 058198217 - Cam Chain Tensioner Gasket Set - Seals the cam chain tensioner to the cylinder head - Elring - Audi Volkswagen

Seals the cam chain tensioner to the cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2550773
Mfg#:
058198217
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

lower Radiator Hose

ES#450263 - 8K0121055B - lower Radiator Hose - Direct replacement for your worn or cracked hose - Genuine Volkswagen Audi - Audi

Direct replacement for your worn or cracked hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450263
Mfg#:
8K0121055B
In Stock at Vendor
9% off MSRP

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

$156.66

This product was last offered at the strikethrough price on
08-07-2026

$143.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler Gasket

ES#281533 - 06J117070C - Engine Oil Cooler Gasket - Connects oil cooler to oil filter housing - Genuine Volkswagen Audi - Audi Volkswagen

Connects oil cooler to oil filter housing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281533
Mfg#:
06J117070C
In Stock
27% off MSRP

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

$23.18

This product was last offered at the strikethrough price on
08-07-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 A4 2.0T Single Exit Resonated Valved Cat Back Exhaust System & Luft-Technik Intake System

ES#4879787 - 049033ECSRSKT - Audi B8 A4 2.0T Single Exit Resonated Valved Cat Back Exhaust System & Luft-Technik Intake System - Transform the sound and performance of your vehicle with a RESONATED cat-back and a Luft-Technik Intake System - Enthusiast Bundles - Audi

Transform the sound and performance of your vehicle with a RESONATED cat-back and a Luft-Technik Intake System Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4879787
Mfg#:
049033ECSRSKT
In Stock
ON SALE! SAVE 26%
$1349.95

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

$999.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Water Pump Thermostat Gasket Kit

ES#3536895 - 06H121026DD - Upgraded Water Pump Thermostat Gasket Kit - Includes the thermostat, temp sensor, union, and gaskets - Hamburg Tech - Audi Volkswagen

Includes the thermostat, temp sensor, union, and gaskets We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3536895
Mfg#:
06H121026DD
In Stock
$323.52

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

$199.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#4352632 - 06J103221A - PCV Breather Hose - Connects PCV to the intake manifold - Rein - Audi Volkswagen

Connects PCV to the intake manifold 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Up to the 2012 model year

Brand:
Rein - Corporate Logo
ES#:
4352632
Mfg#:
06J103221A
In Stock
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft End Cap - Priced Each

ES#279944 - 06B103113C - Camshaft End Cap - Priced Each - End cap for left side of head replace when removing cams - Genuine Volkswagen Audi - Audi Volkswagen

End cap for left side of head replace when removing cams

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279944
Mfg#:
06B103113C
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.

$10.99

This product was last offered at the strikethrough price on
08-07-2026

$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HPA TSI Intake Manifold - Version 2

ES#3247420 - HVA-550-TSI-a - HPA TSI Intake Manifold - Version 2 - Features a 40% increase in volume over the OEM plenum, and its cast aluminum construction supports larger turbos and higher boost - HPA Motorsports - Audi Volkswagen

Features a 40% increase in volume over the OEM plenum, and its cast aluminum construction supports larger turbos and higher boost Please ensure your ECU tuner can provide you with manifold software before purchasing.
Only for vehicles with Plastic Intake Manifolds

Brand:
HPA Motorsports - Corporate Logo
ES#:
3247420
Mfg#:
HVA-550-TSI-A
Ships in 2 Business Days
$999.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

HPA FSI Intake Manifold - Version 2

ES#3247418 - HVA-550-FSI-a - HPA FSI Intake Manifold - Version 2 - Features a 40% increase in volume over the OEM plenum, and its cast aluminum construction supports larger turbos and higher boost - HPA Motorsports - Audi Volkswagen

Features a 40% increase in volume over the OEM plenum, and its cast aluminum construction supports larger turbos and higher boost

Brand:
HPA Motorsports - Corporate Logo
ES#:
3247418
Mfg#:
HVA-550-FSI-A
Ships on Aug 31, 2026
$999.00 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.

Let us help you find the parts that fit your Audi

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

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