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Graco 101821 Tool, Allen Wrench

The Graco 101821 Tool, Allen Wrench is a genuine OEM service wrench designed for tightening and loosening socket-head screws in Graco equipment. Built from durable steel, it ensures proper fit and long-lasting reliability.

  • Part Number: 101821
  • OEM Tool for Graco agitators and fluid-handling units
  • Used In: 25C533, 25M481, 25C529 Agitators
  • Purpose: Accurate servicing of internal hex screws
  • Material: Hardened steel for durability

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Graco 101821 — Tool, Allen Wrench (Compatibility & Specs)

Compatible Machines

  • Graco 25C533 Air-Driven Agitator — parts list references 101821 (Tool, Allen Wrench).
  • Graco 25M481 Air-Driven Agitator — parts list includes 101821.
  • Graco 25C529 Air-Driven Agitator — parts list includes 101821.
  • Other Graco air-driven agitators / fluid-handling equipment that utilize internal socket-head screws (confirm in your model’s parts manual).

Key Specifications

Part Number Graco 101821
Item Name Tool, Allen Wrench (OEM service tool)
Function Tightening/loosening internal hex (socket-head) fasteners used in Graco assemblies
Typical Use Areas Agitator assemblies, brackets, guards, covers, and general service points on compatible units
Compatibility Note Refer to your machine’s parts diagram to confirm 101821 is specified for your model
Included Quantity 1 (single tool)

Product Overview

The Graco 101821 Tool, Allen Wrench is a genuine OEM service tool designed for maintenance of Graco equipment that uses internal hex fasteners. Using the correct OEM tool helps prevent fastener rounding, supports proper torque application, and keeps your equipment operating reliably.

Benefits

  • OEM-correct fit for specified Graco assemblies.
  • Reliable servicing of socket-head screws on agitators and related equipment.
  • Protects hardware by reducing risk of stripping or rounding fasteners.

How to Verify Compatibility

  1. Locate your unit’s parts manual or service diagram.
  2. Check the tools/parts list for an entry that specifies 101821 (Tool, Allen Wrench).
  3. If not listed, match the wrench size in your manual to ensure proper fit before purchase.

Frequently Asked Questions

It is referenced in parts lists for air-driven agitators such as 25C533, 25M481, and 25C529. Other models may also use it—always verify against your unit’s parts diagram.

The precise size is not explicitly published in public product literature. Match to the fastener size listed in your machine’s manual, or measure the existing screw head to confirm the required hex size.

A quality hex key may work if it’s exactly the correct size, but the OEM Graco 101821 is specified to ensure proper fit and minimize damage to socket-head screws on compatible assemblies.

Possibly, if the parts list for your specific model indicates this tool or if the fasteners match the wrench size. Always verify with the manual; many sprayers share standard socket-head hardware, but tool specifications can vary by model and year.

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