Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi A4 Oil Separator Hardware

Sort By
Filter By
Return to Top

Oil Separator Bolt - Priced Each

ES#468916 - N10725401 - Oil Separator Bolt - Priced Each - Used to secure the oil separator to the valve cover. M6x20 - Genuine Volkswagen Audi - Audi Volkswagen

Used to secure the oil separator to the valve cover. M6x20 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468916
Mfg#:
N10725401
In Stock
3% off MSRP

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

$3.38

This product was last offered at the strikethrough price on
10-28-2026

$3.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#257104 - N90704007 - Hex Bolt - Priced Each - Install new hardware with your new parts. M7x55 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M7x55 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Engine code AWM. Secures the oil filter adapter to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
257104
Mfg#:
N90704007
In Stock
$4.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Retaining Spring - Priced Each

ES#4871901 - 037121142A - Retaining Spring - Priced Each - Keep your lines and hoses secure - Bremmen Parts - Audi Volkswagen

Keep your lines and hoses secure 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Used to retain vent hose on crankcase breather assembly

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871901
Mfg#:
037121142A
In Stock
ON SALE! SAVE 15%
$7.99

This product was last offered at the strikethrough price on
09-16-2026

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

Retaining Spring - Priced Each

ES#7989 - 037121142A - Retaining Spring - Priced Each - Keep your lines and hoses secure - Genuine Volkswagen Audi - Audi Volkswagen

Keep your lines and hoses secure Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Used to retain vent hose on crankcase breather assembly

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
7989
Mfg#:
037121142A
Ships in 1-2 days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#205046 - N90613201 - O-Ring - Priced Each - Ensure a proper seal with a new o-ring - Used in various areas on your European vehicle - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal with a new o-ring - Used in various areas on your European vehicle Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Seals the connection between the PCV valve and the cylinder head vent hose - qty 2 needed

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
205046
Mfg#:
N90613201
Ships in 1-2 days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen Head Screw - Priced Each

ES#467961 - N10323104 - Allen Head Screw - Priced Each - M6x20 - Genuine Volkswagen Audi - Audi

M6x20 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467961
Mfg#:
N10323104
Ships in 1-2 days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#466503 - N01471015 - Hex Bolt - Priced Each - Install new hardware with your new parts. M8x20 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M8x20 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Engine codes AEB & ATW. Secures the breather assembly to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466503
Mfg#:
N01471015
Ships in 3 Business Days
38% off MSRP

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

$4.86

This product was last offered at the strikethrough price on
10-28-2026

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

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.

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings