The Spicer 209391 Cap is a genuine OEM component designed for use in various Spicer universal joints and driveline assemblies. This durable cap ensures proper sealing and protection for critical driveline components, maintaining optimal performance and longevity. With precise dimensions of 38.1 mm length, 38.1 mm width, and 25.4 mm height, and a weight of 0.045 kg, it provides a perfect fit for compatible applications.