Wynns Engine, Diff and Gearbox Stop Leak 375ml

Wynn’s Engine, Diff & Gearbox Stop Leak is a powerful additive designed to stop and prevent oil leaks caused by worn or hardened seals, gaskets, and O-rings. It restores flexibility to internal components, helping eliminate leaks, reduce oil consumption, and improve overall engine performance.

Key Features

• Seal Rejuvenation Technology – Restores elasticity of rubber seals and gaskets
• Leak Stopping Formula – Targets both internal and external oil leaks
• Reduces Oil Burning – Minimises exhaust smoke caused by oil loss
• Blow-By Reduction – Helps prevent oil passing through worn components
• Multi-System Use – Suitable for engine, differential, and gearbox systems

Benefits

• Stops oil leaks without costly repairs
• Reduces visible leaks from camshaft and crankshaft seals
• Improves engine efficiency and performance
• Extends lifespan of seals and engine components
• Ideal for older or high-mileage vehicles

Specifications

• Product Type: Oil Leak Stop Additive
• Volume: 375ml
• Application: Engine, Differential & Gearbox
• Compatibility: Petrol & Diesel Engines

Application / How to Use

• Add directly to engine oil, gearbox, or differential system
• Suitable for use during regular maintenance intervals
• Follow manufacturer guidelines for best results

What’s in the Box

• 1 × Wynn’s Engine, Diff & Gearbox Stop Leak (375ml)

Ideal For

• Vehicles with oil leaks or seal wear
• High-mileage or older engines
• Used car preparation and maintenance

Important Disclaimer

Please verify that this product is compatible with your vehicle before purchasing.

• Ensure specifications match your vehicle requirements
• Incorrect use may result in performance issues or damage
• Professional installation or guidance is recommended
• Returns/exchanges accepted only if unused, in original packaging, with proof of compatibility verification (courier fees may apply)

The seller is not liable for damages caused by improper use or incompatibility. By purchasing, you agree to these terms.

Need Help?

Contact our support team with your vehicle details before ordering — we’ll help you choose the correct product.