Will this product freeze if left in an engine that's just sitting in freezing weather for several weeks?

Why would it freeze? It’s an additive, it only replaces 20% of your oil.

It's ok for diesel semi truck,,,???

Yes this is ok for diesel trucks. Coupon Code is Available. Thank you for the question. FamilyGoKarts 320-695-2899

on the Lucas - what is the ratio of mixture per quart of oil?

Lucas recommend using 20% of total oil capacity so if you have a 5 quart total oil capacity you can add up to 1 full quart of Lucas and 4 quart of normal oil. Hope this helps

Will this work for a leakng timing cover gasket on 2010 Prius?

I mean honestly probably not but it should slow the leak. I put it in my truck every oil change there's still little puddles in driveway but not as bad as it used to be

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🚗 Keep your engine purring and never miss a mile!

SOLVENT FREE FORMULA - Contains no harmful solvents, ensuring safe, eco-conscious maintenance.
VERSATILE VEHICLE USE - Perfect for cars, trucks, and motorcycles—your all-in-one engine savior.
SEAL RENEWAL TECHNOLOGY - Restores worn seals without corrosion risk, extending engine life and performance.
UNIVERSAL OIL COMPATIBILITY - Works seamlessly with petroleum, semi-synthetic, and full synthetic oils for ultimate engine care.
NOISE CONSUMPTION REDUCTION - Lowers engine noise and oil consumption while boosting oil pressure for smoother rides.

Lucas Oil 10279 Engine Oil Stop Leak is a 1-gallon, solvent-free formula designed to reduce engine noise and oil consumption, renew worn seals safely, and boost oil pressure. Compatible with all major motor oil types, it’s ideal for cars, trucks, and motorcycles seeking reliable, long-lasting engine protection.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Brand	Lucas Oil
Vehicle Service Type	Car, Truck, Motorcycle
UPC	049807402792 049807102791
Global Trade Identification Number	00049807102791
Manufacturer	Lucas Oil
Size	1 Gallon (128 Ounces)
OEM Part Number	10279
Model	10279
Item Weight	7.83 pounds
Product Dimensions	4 x 6 x 6 inches
Item model number	10279
Is Discontinued By Manufacturer	No
Manufacturer Part Number	10279

Lucas Oil 10279 Engine Oil Stop Leak - 1 Gallon

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