Engine Oil Stop Leak 12x1 Quart

Lucas Oil Engine Oil Stop Leak 12x1 Quart is a specialized motor oil additive designed to seal internal engine leaks without the need for engine disassembly or component replacement. This product is ideal for law enforcement, military, and civilian fleet operators who aim to extend equipment service life and minimize downtime. It effectively addresses slow seepage from worn gaskets, seals, and valve covers, which are common issues in high-mileage vehicles operating under demanding conditions.

The engine oil additive works by conditioning rubber seals and gaskets to restore their elasticity and reduce permeation, effectively stopping minor leaks at their source. Lucas Oil's proprietary blend penetrates existing seal materials and restores their original sealing properties, preventing oil loss without altering engine oil viscosity or affecting engine performance. It is compatible with mineral, synthetic, and blended motor oils across all standard SAE grades, making it a versatile solution for mixed fleet maintenance.

This product is particularly beneficial for tactical and fleet operations, as it restores seal integrity on aging engines without causing downtime or requiring invasive repairs. It is effective for passenger vehicles, trucks, and small equipment engines. Simply add one quart per five quarts of engine oil capacity during routine oil changes—no special tools or technical expertise are required.