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Audi A4 Engine Parts & Accessories

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Valve Stem Seal - Priced Each

ES#2626345 - 036109675A - Valve Stem Seal - Priced Each - Seals the valve stem in the cylinder head. 6mm - Victor Reinz - Audi Volkswagen

Seals the valve stem in the cylinder head. 6mm

Brand:
Victor Reinz - Corporate Logo
ES#:
2626345
Mfg#:
036109675A
In Stock
$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2500976 - 06E121018A - Water Pump - Includes gasket and features a metal impeller - Hepu - Audi Volkswagen

Includes gasket and features a metal impeller

Brand:
Hepu - Corporate Logo
ES#:
2500976
Mfg#:
06E121018A
In Stock at Vendor
$103.11 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Girdle Kit

ES#2794148 - IEBEVA9 - Crankshaft Girdle Kit - Keep your engine block from flexing under torque - Integrated Engineering - Audi Volkswagen

Keep your engine block from flexing under torque 5X Entries For Our 25th Anniversary Sweepstakes!

Fits AWM engine code only

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794148
Mfg#:
IEBEVA9
Back Ordered
$617.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
This product has been superseded to ES#4046596

Coolant Temperature Sensor - 2 Pin

ES#257175 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Genuine Volkswagen Audi - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
257175
Mfg#:
06A919501A
In Stock
ON SALE!
$48.43

This product was last offered at the strikethrough price on
08-04-2026

$44.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2535705 - 07K905715FKT2 - Ignition Service Kit - Includes six OE coils and spark plugs - Genuine Volkswagen Audi - Audi

Includes six OE coils and spark plugs

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2535705
Mfg#:
07K905715FKT2
Ships in 1 day
$616.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Idler Pulley

ES#4830641 - 06B903341B - 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#:
4830641
Mfg#:
06B903341B
In Stock
ON SALE! SAVE 21%
$27.99

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

$22.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/PCV Valve Gasket

ES#2737875 - 06K103484F - Oil Separator/PCV Valve Gasket - Replacement seal for the pcv Located on top of your valve cover - Genuine Volkswagen Audi - Audi Volkswagen

Replacement seal for the pcv Located on top of your valve cover

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2737875
Mfg#:
06K103484F
In Stock
17% off MSRP

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

$13.24

This product was last offered at the strikethrough price on
03-05-2026

$11.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter - Pack Of 5

ES#1045 - W930.215PAK - Oil Filter - Pack Of 5 - Stock up for future maintenance and save! - Mann - Audi Volkswagen

Stock up for future maintenance and save!

Brand:
Mann - Corporate Logo
ES#:
1045
Mfg#:
W930.215PAK
In Stock at Vendor
$97.99

This product was last offered at the strikethrough price on
03-02-2026

$88.00 USD
Free Shipping
on orders $49 and up

Complete Drivetrain Mount Kit

ES#2765670 - 8E0399105HPKT1 - Complete Drivetrain Mount Kit - Includes all drivetrain mounts and securing hardware - Assembled By ECS - Audi

Includes all drivetrain mounts and securing hardware 10X Entries For Our 25th Anniversary Sweepstakes!
Manual transmission vehicles only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2765670
Mfg#:
8E0399105HPKT1
Ships in 3 Business Days
$618.99

This product was last offered at the strikethrough price on
02-26-2026

$615.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Fitting

ES#281172 - 06F127213B - Fuel Pump Fitting - Ensure that your engine gets the correct amount of fuel - Genuine Volkswagen Audi - Audi Volkswagen

Ensure that your engine gets the correct amount of fuel Due to various revisions from VAG, additional fittings may be needed to install this fuel pump onto earlier 2.0T engines, contact ECS for assistance

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281172
Mfg#:
06F127213B
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.

$109.98

This product was last offered at the strikethrough price on
08-10-2026

$102.57 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap Seal

ES#302264 - 1H0121687A - Expansion Tank Cap Seal - Seals the expansion tank cap to the reservoir. 28.5x3.8 - Genuine Volkswagen Audi - Audi Volkswagen

Seals the expansion tank cap to the reservoir. 28.5x3.8

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
302264
Mfg#:
1H0121687A
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body

ES#4939298 - 06F133062AK - Throttle Body - Includes the throttle sensor - Genuine Volkswagen Audi - Audi Volkswagen

Includes the throttle sensor

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4939298
Mfg#:
06F133062AK
Ships in 1 day
7% off MSRP

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

$658.99

This product was last offered at the strikethrough price on
08-10-2026

$613.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Low Temp Thermostat - 70 Degree C

ES#4858162 - 034-102-7005 - Low Temp Thermostat - 70 Degree C - Get faster coolant circulation through the radiator for cooler running. - 034Motorsport - Audi Volkswagen

Get faster coolant circulation through the radiator for cooler running.

Brand:
034Motorsport - Corporate Logo
ES#:
4858162
Mfg#:
034-102-7005
In Stock
$51.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cam Gear Bolt

ES#9899 - 06a109281a - Cam Gear Bolt - Secures the cam gear to the camshaft - Genuine Volkswagen Audi - Audi Volkswagen

Secures the cam gear to the camshaft Engine code AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
9899
Mfg#:
06A109281A
Ships in 2 Business Days
6% off MSRP

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

$17.99

This product was last offered at the strikethrough price on
08-10-2026

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

Accessory Belt Kit With ECS Performance Kevlar Reinforced Accessory Belt

ES#4305035 - 06B903133EKT5 - Accessory Belt Kit With ECS Performance Kevlar Reinforced Accessory Belt - Includes belt, tensioner, & hardware to ensure that your belt is tight and reliable. - Assembled By ECS - Audi

Includes belt, tensioner, & hardware to ensure that your belt is tight and reliable. 10X Entries For Our 25th Anniversary Sweepstakes!
Up to VIN 8E-4-191000 - split is in the 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
4305035
Mfg#:
06B903133EKT5
Ships in 10 Business Days
Auto Notify
ON SALE! SAVE 23%
$133.17

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

$101.93 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thrust Washer - Priced Each

ES#3979000 - 06A105637A - Thrust Washer - Priced Each - To be used with the middle main bearing, two required. - Kolbenschmidt - Audi Volkswagen

To be used with the middle main bearing, two required.

Brand:
Kolbenschmidt - Corporate Logo
ES#:
3979000
Mfg#:
06A105637A
In Stock
$9.99 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.

Let us help you find the parts that fit your Audi

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