Noticeably smoother engine performance
After adding this to my oil, the engine felt smoother and quieter. It really helps under heavy driving conditions.
Add during oil changes following the recommended ratio for your engine type. Avoid overfilling and always check your vehicle’s specifications to ensure compatibility with synthetic additives.
Last Updated: July 13, 2026
Thank you for shopping with District Mailing. We are committed to processing and delivering your order as quickly as possible.
Orders are typically processed within 1–2 business days after payment has been received.
Orders placed on weekends or holidays will be processed on the next business day.
During periods of high order volume, processing times may be slightly longer. If a significant delay occurs, we will notify you via email.
We offer standard shipping through trusted carriers such as USPS, UPS, FedEx, and other regional delivery partners.
Available shipping methods and estimated delivery times will be displayed during checkout.
Once your order has shipped, estimated delivery times are generally:
Standard Shipping: 3–7 business days
Expedited Shipping: 2–3 business days (when available)
Please note that delivery estimates are not guaranteed and may vary due to carrier delays, weather conditions, holidays, or other circumstances outside of our control.
Once your order has been shipped, you will receive a shipping confirmation email containing your tracking information.
Please allow up to 24 hours for tracking information to become active.
Customers are responsible for providing a complete and accurate shipping address at checkout.
We are not responsible for delays, lost packages, or additional shipping charges resulting from incorrect or incomplete shipping information provided by the customer.
If your package appears to be delayed or lost in transit, please contact us. We will work with the shipping carrier to help locate your shipment and determine the appropriate resolution.
If your order arrives damaged, please contact us within 7 days of delivery. Include your order number along with photos of the damaged product and packaging so we can assist you as quickly as possible.
International shipping may be available to select countries.
Customers are responsible for any applicable customs duties, taxes, import fees, or other charges imposed by their local government.
Delivery times for international orders may vary based on destination and customs processing.
Some products may not be available for shipment to certain locations due to local laws or shipping restrictions.
We reserve the right to cancel or refuse orders that cannot legally or practically be fulfilled.
If you have any questions regarding shipping or your order, please contact our customer support team and we will be happy to assist you.
Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.
This pure synthetic oil stabilizer delivers exceptional film strength, helping reduce wear, heat, and friction for enhanced overall engine performance.
Helps stabilize oil pressure and reduce engine noise, supporting smoother operation in both modern and high-performance engines.
Formulated to withstand extreme temperatures and pressures, helping maintain performance and protection even under demanding driving conditions.
Sylvania
$28.77
Sylvania
$15.00
Sylvania
$110.00
Sylvania
$45.78
Sylvania
$60.00
Based on 6 reviews
After adding this to my oil, the engine felt smoother and quieter. It really helps under heavy driving conditions.
I noticed less noise from my engine after using this stabilizer. It’s been a solid addition during oil changes.
Helps improve overall engine feel and stability. The consistency is slightly thicker than expected, but it works well.
Used this in an older engine and it made a noticeable difference. Feels more stable during long drives.
I use my vehicle for demanding conditions and this stabilizer holds up nicely. Helps keep everything running smoothly.
Does a good job reducing heat and wear during longer drives. Pouring takes a bit of care due to the thickness, but performance is solid.
Switch the store homepage between automotive, CPAP, and regular presets.
Bookmark this private link to open the admin panel anytime.
https://districtmailing.com/?dm_theme_admin=1&key=dm-control
Click a theme to activate it store-wide. All visitors will see the selected homepage.