Description
Part Number: 40279
Lucas Engine Oil Stop Leak (3.79 Litre / 1 US Gallon)
Formulated to seal engine leaks, reduce noise, and raise oil pressure in worn engines without solvent damage.
Key Features & Benefits
- ☑ Renews worn engine seals, gaskets, and o-rings with zero risk of damage or corrosion
- ☑ Compatible with petroleum, semi-synthetic, and full synthetic motor oils
- ☑ Reduces engine noise and oil consumption while raising oil pressure in high-mileage engines
- ☑ Solvent-free formulation extends oil life by up to 50%
- ☑ Multi-application design: also effective in hydrostatic, hydraulic, and automatic transmissions at 10% mix ratio
Technical Specifications
| Brand | Lucas Oil |
|---|---|
| Manufacturer Part Number (MPN) | 40279 |
| Volume / Container Size | 3.79 Litres (1 US Gallon / 128 fl oz) |
| Engine Oil Treat Ratio | 20% of total oil system capacity (e.g., 1L additive to 4L engine oil) |
| Transmission / Hydraulic Treat Ratio | 10% of total system capacity |
| Fluid Compatibility | Mineral, Semi-Synthetic & Full Synthetic Engine Oils |
What’s Included in the Box
- 1x 3.79 Litre (1 Gallon) Bottle of Lucas Engine Oil Stop Leak (MPN: 40279)
Engineered to rigorous Lucas Oil quality standards, this high-performance additive provides a trusted solution for restoring engine integrity and extending component longevity. Order from JP Racing today for fast UK delivery and expert customer support for all your motorsport fluid and maintenance needs.




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