ELF Tranself NFX SAE 75W Gearbox Oil – 1L

ELF Tranself NFX SAE 75W – Manual Gearbox Oil

The ELF Tranself NFX SAE 75W is a synthetic extreme-pressure transmission lubricant developed for manual gearboxes operating under demanding conditions. Supplied in a practical 1-litre container, it is suitable for maintenance and servicing operations when the vehicle manufacturer specifies this lubricant.

Key product features

• Brand: ELF.
• Product range: Tranself NFX.
• Viscosity grade: SAE 75W.
• International specification: API GL-4.
• Container size: 1 litre.
• Application: Compatible manual gearboxes requiring the specified lubricant.

Protection and transmission performance

Tranself NFX SAE 75W is formulated to provide advanced protection for gearbox synchronisers and resist shear stress. Its stable friction characteristics support consistent synchronisation, while its extreme-pressure properties help protect transmission components under load.

The lubricant is also designed to maintain stable performance at different operating temperatures, helping support smooth gear changes in cold conditions while retaining its performance when the gearbox becomes hot.

Manufacturer approvals and applications

This lubricant meets the API GL-4 specification and has approvals including Mercedes-Benz MB-Approval 235.17 and several Renault manual gearbox families: DBx, Jxx, NDK1, NDX, PXX, SX and TLX.

It is intended for compatible manual transmissions, including specified Renault-Nissan-Mitsubishi applications. The product replaces Tranself NFP 75W-80 and Tranself NFJ 75W-80 for their designated applications. Always consult the vehicle service documentation before use.

Why use the correct gearbox oil?

Using the lubricant specified for your gearbox is essential for proper lubrication and synchroniser operation. An unsuitable oil can affect gear changes and component protection. Do not select a transmission oil based on viscosity alone: the required specification and manufacturer approval must also match.

Installation and maintenance advice

• Check the vehicle manufacturer's recommended lubricant before use.
• Confirm the gearbox family and required specification.
• Follow the recommended oil capacity and filling procedure.
• Use clean equipment to avoid contaminating the transmission.
• Dispose of used oil through an authorised collection point.

Frequently asked questions

Is ELF Tranself NFX SAE 75W suitable for every gearbox?

No. It should only be used in gearboxes for which SAE 75W and the relevant manufacturer specification are recommended.

What does API GL-4 mean?

API GL-4 is a performance classification for certain gear lubricants. The required classification must match the gearbox manufacturer's recommendation.

How much oil does the container hold?

This product is supplied in a 1-litre container. Check the specified gearbox capacity to determine the quantity required for servicing.

Optimiz Access – Automotive parts and accessories

Founded in 2010, Optimiz Access supplies parts and accessories for sports and premium vehicles. Based in the Hauts-de-France region of France, the company also offers installation and maintenance services and ships products internationally.

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