Description

A valve insert with part number 3970278 is a crucial component of the engine cylinder head. It is a small cylindrical piece that fits inside the valve guide and supports the valve stem, which allows for smooth and efficient opening and closing of the engine’s intake and exhaust valves. The valve insert helps to prevent excessive wear on both the valve stem and guide, ensuring that the valvetrain operates smoothly over time. Made from durable materials such as hardened steel or ceramic, this component must be precisely machined to fit tightly into the guide without impeding the movement of the valve stem. In short, a properly functioning valve insert is essential to maintaining optimal engine performance and longevity. Hawks Parts is a professional Cummins parts wholesale supplier in China, We can provide Genuine/Original, OEM, and Aftermarket quality grades for your choice as well as a one-stop service for you.

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3903830 3924582 3945250 3904388 3970278 3028070 3820180 3683349 3679537 3086192

OE Quality(Original Equipment): Original manufacturer with brand logo and packaging, This is the real Cummins

OEM: This is a genuine part produced directly by the original equipment manufacturer (OEM) and designed with the precise specifications and standards of your vehicle’s original parts. It is a real OEM part. You can be assured that the part will function exactly as the manufacturer intended and keep your vehicle running as it was engineered to.

Aftermarket: High quality, You can be assured that the part will function exactly as the manufacturer intended and keep your vehicle running as it was engineered to. This is for the automotive aftermarket. packaging can be neutral or customized to your requirements.