Engine Oil Additive Fuel Savings & Wear Protection
High Quality
Free US Shipping
Hassle Free Returns
Engine performance issues and wear finally controlled efficiently
Reduced engine friction and improved response — suitable for gasoline and diesel, added directly to engine oil without complex procedures
Why is this Engine Protection Additive perfect for you?
✔ Improved engine performance: Reduces internal friction in the engine, leading to noticeably better acceleration and engine response. This improvement is ideal for maintaining peak engine efficiency and driving dynamics.
✔ Fuel savings: Optimizes combustion within the engine, which can significantly reduce fuel consumption. Lower fuel use translates directly into cost savings and reduced emissions.
✔ Long-lasting engine protection: Forms a durable protective layer on engine components, extending their lifespan and preventing premature wear. This layer works immediately after the first treatment and supports engine longevity.
Specifications
Content volume: 3.4 fl oz (100 ml)
Dimensions: 1.5 x 4.6 in (3.8 x 11.7 cm)
Shelf life: 3 years
Engine compatibility: Suitable for gasoline and diesel engines of all sizes
Frequently asked questions
Quick answers about ordering from Couje. More detail on our full FAQ page.
How much does shipping cost, and how long does it take?
Shipping is free on every order — no minimum. Orders are typically delivered within 4–12 business days (processing included), and every order includes tracking. Full details are in our Shipping Policy.
What is your return policy?
You can return items within 30 days of delivery. Once your return is received and inspected, we process your refund to the original payment method. See our Return & Refund Policy for the full process.
How do I track my order?
As soon as your order ships, we email you a tracking number. You can follow your delivery at any time on our Track Your Order page.
How can I reach customer service?
Email us at support@couje.com or use our contact form. Our team is available Monday – Friday: 09:00 AM – 05:00 PM EST and replies within 24 hours. Saturday – Sunday: closed.