







10K BOOST ENGINE STOP LEAK – OIL ADDITIVE TREATMENT (375ML)
Help stop minor oil leaks and reduce oil loss with 10K Boost Engine Stop Leak, a specially formulated engine oil additive designed to rejuvenate seals and gaskets.
This advanced treatment conditions hardened rubber seals, helping to reduce leaks from crankshaft seals, camshaft seals, valve cover gaskets, and other common oil leak points. Ideal for high-mileage engines and preventative maintenance.
Product Details
- Brand: 10K Boost
- Product Name: Engine Stop Leak
- Part Number: 1430
- Capacity: 375ml
- Type: Engine Oil Additive
Key Features & Benefits
- Helps stop minor engine oil leaks
- Reconditions and rejuvenates seals and gaskets
- Reduces oil consumption and loss
- Helps extend engine life
- Improves engine lubrication
- Suitable for petrol and diesel engines
- Safe for turbocharged engines and catalytic converters
How to Use
- Add directly to the engine oil
- One 375ml bottle treats up to approx. 4–6 litres of engine oil
- Drive normally to allow additive to circulate
Ideal For
- Engines with minor oil leaks or seepage
- High-mileage petrol and diesel vehicles
- Preventative engine maintenance
- Vehicles losing oil between services
- Professional workshops and DIY use
Condition
Brand New – Factory sealed.

10K BOOST ENGINE STOP LEAK – OIL ADDITIVE TREATMENT (375ML)
Sale price£15.07
Regular price£24.99 (/)
