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Graco 16A661 Air Valve Cover

The Graco 16A661 Cover Air Valve is a genuine air-valve side cover for select Graco diaphragm pumps, ensuring proper sealing and stable air-motor performance.

  • OEM replacement air-valve side cover
  • Fits diaphragm pump models 233500, 233501, 233776, 233777
  • Supports reliable air-valve operation

Retail Price: $77.75
You save: $1.36 (1.75%)
Our Price: $76.39
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Graco 16A661 Cover Air Valve – Replacement Air Valve Side Cover

Compatible Machines

This Graco 16A661 Cover Air Valve fits the following diaphragm pump models:

  • Graco 233500 Diaphragm Pump (Aluminum, Series D, NPT)
  • Graco 233501 Diaphragm Pump (Stainless Steel, Series C, NPT)
  • Graco 233776 Diaphragm Pump (Aluminum, BSPP)
  • Graco 233777 Diaphragm Pump (Stainless Steel, BSPP)

Product Description

The Graco 16A661 Cover Air Valve is a genuine replacement side cover designed for the air-valve section of compatible Graco diaphragm pumps. It provides proper sealing, protects internal valve components, and supports stable air-motor performance.

Key Features

  • Protects and seals the air-valve side of the pump
  • Made for industrial diaphragm pump applications
  • Durable OEM-grade construction
  • Ensures proper air motor operation

Technical Details

Part Number 16A661
Part Type Air Valve Side Cover
Category Diaphragm Pump Components
Fitment Air Valve Side (Cover, Side)

Frequently Asked Questions

It covers and protects the air-valve assembly on compatible diaphragm pumps, helping maintain proper sealing and air-motor operation.

Check the pump model number on your machine. If it matches 233500, 233501, 233776, or 233777, this part is the correct replacement.

No, the 16A661 is designed for specific Graco diaphragm pumps and is not used on airless piston-type sprayers.

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