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Audi A4 Engine Parts & Accessories

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Camshaft Adjuster Magnet Seal (O-Ring) - Priced Each

ES#5492596 - WHT007212B - Camshaft Adjuster Magnet Seal (O-Ring) - Priced Each - Direct OE-quality replacement O-ring to cure pesky oil leaks from the front of your upper timing cover and ensure proper Variable Valve Timing (VVT) solenoid sealing. - Febi - Audi Volkswagen

Direct OE-quality replacement O-ring to cure pesky oil leaks from the front of your upper timing cover and ensure proper Variable Valve Timing (VVT) solenoid sealing.

Brand:
Febi - Corporate Logo
ES#:
5492596
Mfg#:
WHT007212B
Ships on Dec 23, 2026
$2.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Stud Rubber Grommet / Seal Ring

ES#4150818 - 028103532A - Valve Cover Stud Rubber Grommet / Seal Ring - Stop oil leaks around your valve cover mounting studs and hold-down nuts with this OE-quality rubber seal ring. - Meistersatz - Audi Volkswagen

Stop oil leaks around your valve cover mounting studs and hold-down nuts with this OE-quality rubber seal ring.

Brand:
Meistersatz - Corporate Logo
ES#:
4150818
Mfg#:
028103532A
Back Ordered
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump O-Ring

ES#4144993 - 06A121119 - Water Pump O-Ring - Ensure a proper seal when installing a new water pump. 53x4mm - Rein - Audi Volkswagen

Ensure a proper seal when installing a new water pump. 53x4mm 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4144993
Mfg#:
06A121119
Back Ordered
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Drain Plug

Used for quick removal of coolant

Brand:
JL Germany
ES#:
4044479
Mfg#:
8D0121100
Back Ordered
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#4375626 - N90067202 - Sealing O-Ring - Priced Each - O-ring used in various locations. 9.5x2.5mm - MTC - Audi Volkswagen

O-ring used in various locations. 9.5x2.5mm

Brand:
MTC - Corporate Logo
ES#:
4375626
Mfg#:
N90067202
Ships in 9 Business Days
$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Guide - Priced Each

ES#2801653 - 58103415 - Valve Guide - Priced Each - Ensure your engine valves remain properly aligned and supported with this CRP/Rein Automotive Engine Valve Guide. - Rein - Audi Volkswagen

Ensure your engine valves remain properly aligned and supported with this CRP/Rein Automotive Engine Valve Guide. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801653
Mfg#:
58103415
In Stock
ON SALE! SAVE 79%
$10.19

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

$2.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap

ES#2090873 - 06A103485F - Oil Cap - Clean up your engine bay with a new cap - MTC - Audi Volkswagen

Clean up your engine bay with a new cap

Brand:
MTC - Corporate Logo
ES#:
2090873
Mfg#:
06A103485F
Back Ordered
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Plug - Priced Each

ES#2815649 - 357121140 - Coolant Flange Plug - Priced Each - Clip and o-ring sold separately - Hamburg Tech - Audi Volkswagen

Clip and o-ring sold separately We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815649
Mfg#:
357121140
Ships in 1 Business Day
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Valve - Priced Each

ES#2803030 - 078109601E - Intake Valve - Priced Each - Standard replacement intake valve - Rein - Audi Volkswagen

Standard replacement intake valve 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803030
Mfg#:
078109601E
Ships in 3 Business Days
ON SALE! SAVE 82%
$10.99

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

$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drain Plug/Sealing Washer - Priced Each

Replace with every oil service to prevent leaks. 14x20 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8E-6-285001, split is in the 2006 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
5480413
Mfg#:
N0138157
Ships on Oct 19, 2026
$0.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Density Line Mount Mount Kit - Track Density

ES#3183379 - 034-5090007tdKT1 - Density Line Mount Mount Kit - Track Density - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi

Void-free and fluid-free, eliminating the slop associated with the factory mounts 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with electronically monitored engine mounts.

Brand:
034Motorsport - Corporate Logo
ES#:
3183379
Mfg#:
034-5090007TDKT1
In Stock
$302.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Silicone PCV Breather Hose Kit

ES#5482559 - 034-101-3024KT - Upper Silicone PCV Breather Hose Kit - Bundles the two most vulnerable upper intake and suction jet pump lines to resolve common 1.8T vacuum leaks quickly - 034Motorsport - Audi Volkswagen

Bundles the two most vulnerable upper intake and suction jet pump lines to resolve common 1.8T vacuum leaks quickly 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
5482559
Mfg#:
034-101-3024KT
In Stock
$50.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage I Performance Chip - Fully Loaded

ES#2792692 - B8.520TSTG1CHP-4 - Stage I Performance Chip - Fully Loaded - Gains up to 57HP & 85TQ on 93 Octane, 85HP & 134TQ on E85 - APR - Audi

Gains up to 57HP & 85TQ on 93 Octane, 85HP & 134TQ on E85 Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
From the 2013 model year.

Brand:
APR - Corporate Logo
ES#:
2792692
Mfg#:
B8.520TSTG1CHP-4
In Stock
$499.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1+ Performance Upgrade - Direct Port

ES#2918519 - b6a4stg1upgrdKT - Stage 1+ Performance Upgrade - Direct Port - Does not include injectors - Gains of up to 55 HP & 100 LB-FT torque on 93 octane! - APR - Audi

Does not include injectors - Gains of up to 55 HP & 100 LB-FT torque on 93 octane! Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
For existing Stage 1 customers upgrading to Stage 1+. Drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
2918519
Mfg#:
B6A4STG1UPGRDKT
In Stock
$150.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Hardware & Cover Reseal Kit

ES#5482534 - n91130401KT - Timing Hardware & Cover Reseal Kit - Ensure a leak-free, mechanically secure installation with this complete, direct-fit timing guide rail hardware and cover sealant bundle. - Assembled By ECS - Audi Volkswagen

Ensure a leak-free, mechanically secure installation with this complete, direct-fit timing guide rail hardware and cover sealant bundle. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5482534
Mfg#:
N91130401KT
In Stock
$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial 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

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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