Radiator Pressure Cap – Small Japanese Type – 5 Bar / 7lb

Product Description

This small Japanese-type radiator pressure cap is a high-quality replacement designed for classic and modern vehicles requiring a low-pressure cooling system. Rated at 7lb (approx. 0.5 bar), it helps maintain correct coolant pressure, improving thermal efficiency while protecting hoses, radiator cores, and seals from over-pressurisation.

Manufactured with a zinc-coated steel case for corrosion resistance and long service life, each cap is made and assembled in England (UK) to a high engineering standard. Ideal for restorations, motorsport, and general replacement where reliability and authenticity matter.

Key Features

• Pressure Rating: 7lb (≈ 0.5 bar)
• Type: Small Japanese radiator neck
• Construction: Zinc-coated steel body
• Seal: Quality rubber pressure seal
• Finish: Silver zinc plated
• Origin: Made & assembled in England, UK
• Application: Low-pressure cooling systems

Compatibility

Suitable for many Japanese vehicles and applications using a small-neck radiator filler with a 7lb / 0.5 bar requirement. Common in:

• Classic Japanese cars
• Motorcycles
• Compact engines
• Industrial or specialist cooling systems

Please confirm neck diameter and pressure specification before purchase.

Technical Specifications

What’s Included

• 1 × Radiator Pressure Cap (7lb / 0.5 bar)

Notes

• Not suitable for high-pressure systems.

• Images shown are representative of the actual product.

• Trade and bulk enquiries welcome.