Specifications

• Interpump Part Number: 90.3847.00
• Description: Valve Cap / Valve Plug O-Ring
• Material: NBR (Black Rubber)
• O-Ring Size: 20.24 mm ID × 2.62 mm cross-section (2.62 × 20.24 mm)

Fits

This O-ring is used on the valve plugs of numerous Interpump pumps, including:

• 44 Series
• 47 Series
• 48 Series
• 50 Series
• 51 Series
• Some 63 Series pumps (model dependent)

Common Applications

• Seals the valve cap/plug to prevent water leaks.
• Should be replaced whenever the valve cap is removed during servicing.
• A flattened or damaged O-ring can cause external leaks or loss of pressure.