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Graco 158364 Pivot Pin

The Graco 158364 Pivot Pin is a genuine OEM component that serves as the pivot for toggle arms in Graco air motors, ensuring smooth and reliable pump operation.

  • OEM Replacement – Fits Fire-Ball 300 and 425 Series pumps
  • Critical Pivot – Maintains proper toggle arm movement
  • Durable Construction – Zinc-plated metal for long-lasting performance

$38.75
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Graco 158364 Pivot Pin Overview

The Graco 158364 Pivot Pin is a genuine OEM component used in the toggle mechanism of Graco air motors. It acts as a hinge for the toggle arms, ensuring proper engagement and smooth operation of the pump.

Compatible Machines

This pivot pin fits the following Graco Fire-Ball Pump Series:

  • Fire-Ball 300 Series – Graco air motor pumps (5:1 ratio)
  • Fire-Ball 425 Series – Graco air motor pumps (3:1, 6:1, 10:1 ratios)

Key Features

  • OEM Quality: Manufactured by Graco for precise fit and reliable performance.
  • Critical Pivot: Enables correct toggle arm movement for consistent pump cycling.
  • Durable Construction: Zinc-plated metal ensures long-lasting operation in industrial conditions.
  • Direct Fit: Designed specifically for Fire-Ball 300 and 425 Series pumps.

Technical Details

Specification Details
Part Number 158364
Part Type Pivot Pin
Used In Toggle Mechanism of Graco Air Motors
Manufacturer Graco Inc.
Material Zinc-Plated Metal

Installation & Maintenance Tips

  • Verify your pump series before ordering to ensure compatibility.
  • Inspect the toggle arms and alignment before inserting the pivot pin.
  • Check for wear or bending during routine maintenance and replace if needed.
  • Always use genuine Graco parts for safe and reliable pump operation.

Frequently Asked Questions

It serves as the pivot point for the toggle arms in the air motor, allowing correct movement and consistent pump cycling.

It is used in Graco Fire-Ball 300 Series (5:1 ratio) and Fire-Ball 425 Series (3:1, 6:1, 10:1 ratios). Always verify with your pump's parts list before ordering.

Replace it if the toggle arms are loose, misaligned, or the pin shows signs of wear, bending, or corrosion that affects pump cycling.

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