3931623: TAPPET-VALVE

Product Specifications: - Part Number: 3931623 - Alternative Part Numbers: 3907240, 3925031, 3281508 - Type: Valve Tappet (also known as Valve Lifter) - Application: Primarily used on Tier 1 3.9 liter B engines - Material: Likely made of durable metal, possibly mild steel Function and Purpose: - Converts the rotational motion of the camshaft into linear motion to activate the valve - Helps maintain proper valve timing and operation - Reduces wear on the camshaft lobes - Eliminates lash between valve train components Technical Details: - Design: Likely circular to allow rotation, which minimizes wear - Base Profile: May have a slight convex profile to soften contact with the camshaft lobe - Clearance: Requires proper tappet clearance for optimal engine performance Engine Compatibility: - Compatible with Cummins engines, particularly: 6BT, 6CT, 6BT5.9, 6CT8.3, ISBE series engines Maintenance Considerations: - Regular inspection and adjustment of tappet clearance is crucial for engine performance - Proper lubrication is essential for smooth operation and longevity of the component - May require periodic replacement as part of routine engine maintenance The 3931623 TAPPET-VALVE plays a vital role in ensuring the precise opening and closing of engine valves, contributing to overall engine efficiency and performance in Cummins engines.