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Graco 107553 Hex Cap Screw, Hd

The Graco 107553 Screw Cap Hex HD is a durable OEM fastener designed for securing high-pressure components in Graco pump assemblies, ensuring strong and reliable performance.

  • Thread Size: M12 x 1.25
  • Material: Stainless Steel
  • Used in High-Flo & 4-Ball Pump Assemblies
  • Ensures leak-free, secure connections

Retail Price: $150
You save: $6 (4.00%)
Our Price: $144
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Graco 107553 Screw Cap Hex HD – OEM Fastener for High-Pressure Assemblies

The Graco 107553 Screw Cap Hex HD is a precision-engineered hex-head cap screw designed for use in Graco’s high-pressure pump assemblies. This OEM-grade fastener ensures a secure fit and maintains structural integrity in demanding spray system environments.

Compatible Machines

This part fits the following Graco pump assemblies and systems:

  • Graco 243731 – 3000cc 4-Ball Lower Pump Assembly
  • Graco 243734 – 4000cc 4-Ball Lower Pump Assembly
  • Graco 243771 – Series E High-Flo Lower
  • Graco 243732 – 3000cc Pump Lower Assembly
  • Graco 243735 – 4000cc Pump Lower Assembly
  • Graco 243772 – Series E Lower Displacement Pump

Product Details

Part Number 107553
Description Screw, Cap, Hex Head (HD)
Thread Size M12 x 1.25 (Stainless Steel)
Type OEM Fastener / Structural Screw
Used In Graco High-Flo and 4-Ball Lower Pump Assemblies

Features & Benefits

  • OEM-grade strength for reliable performance.
  • Corrosion-resistant stainless steel construction for long life.
  • Precision threading ensures secure and stable assembly.
  • Engineered to handle high-pressure pump environments.

Installation Tips

  • Always torque to Graco’s specified settings for your model.
  • Replace any damaged or corroded screws during service.
  • Use genuine Graco parts to maintain safety and warranty coverage.

Frequently Asked Questions

The 107553 Hex Cap Screw secures major components in Graco pump assemblies, ensuring tight sealing and structural integrity under high-pressure operation.

It’s not recommended. Only the Graco OEM 107553 meets material, thread, and strength specifications for proper sealing and load tolerance.

Check your machine’s parts manual. If it lists 107553 Screw Cap Hex HD under its lower pump assembly, this part is compatible.

Using genuine Graco OEM parts ensures proper fit, performance, and long-term reliability of your equipment.

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