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The K&N Engineering 81-0830 Air Oil Separator is designed to protect your Ford Mustang's engine and intake system by effectively capturing blowby oil before it can cause damage or power loss. With its high-capacity reservoir, this oil separator ensures prolonged performance by preventing oil from entering the intake tract, which can lead to carbon buildup and reduced engine efficiency. Installation is straightforward, taking approximately 30 minutes with basic hand tools, thanks to factory-style hose connections that snap on and off easily. The unit replaces the factory crankcase vent line, allowing for flexible mounting options in your engine bay, making maintenance quick and hassle-free. The oil reservoir can be checked and emptied without tools, simplifying routine maintenance and ensuring your engine stays clean and protected. Engineered specifically for the 2015-2023 Ford Mustang 2.3L Ecoboost, this separator is backed by K&N*s No-Hassle Lifetime Limited Warranty, providing long-term peace of mind. Whether you are upgrading your vehicle for better performance or aiming to extend engine life, this oil separator is a reliable and efficient addition to your Mustang.
Features:
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
