Johnson Pumps 0142443 Brass Wear Plate for F7B/F70B Engine Cooling Pumps

The Johnson Pumps 0142443 is a genuine OEM brass wear plate designed specifically for F7B and F70B series flexible impeller engine cooling pumps. This critical replacement component helps protect the pump body from abrasion caused by the rotating impeller, extending the service life of your marine engine cooling system.

Key Specifications:

• Material: Durable brass construction for excellent corrosion resistance
• Diameter: Approximately 62.8mm (2.47 inches)
• Thickness: Approximately 1.8mm (0.07 inches)
• Inner Diameter: Approximately 32.0mm (1.26 inches)
• Compatible with F7B and F70B series pump models

Application:

This wear plate is an essential service component for Johnson F7B series pumps commonly found on marine diesel engines including John Deere, Kohler, Lehman, and other inboard applications. The wear plate sits between the impeller and the pump body, protecting against wear from sand, silt, and debris in raw water cooling systems. Regular inspection and replacement of the wear plate during routine maintenance helps prevent costly pump body damage and ensures reliable engine cooling performance.

Maintenance Note:

The wear plate should be inspected whenever the impeller is replaced (recommended annually) and replaced if wear or scoring is evident. Using genuine Johnson Pumps parts ensures proper fit and optimal pump performance.