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Graco 101578 Hex Hd Screw Cap

The Graco 101578 Hex Head Screw Cap is a genuine OEM fastener designed for secure assembly in Graco pump and air-motor systems.

  • Fits Mini Fire-Ball 225 (3:1) Oil Pump
  • Fits Fire-Ball 425 (10:1) models 205626, 222065, 222095
  • Fits President Pump Model 237526, Series A
  • Durable steel construction for long service life

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Overview & Key Details

The Graco 101578 Hex Head Screw Cap is a genuine OEM hardware fastener used in select Graco pump and air-motor assemblies. It secures components in place and maintains reliable service performance.

Compatible Machines

  • Graco Mini Fire-Ball 225 (3:1) Oil Pump — parts lists reference 101578 cap screw.
  • Graco Fire-Ball 425 (10:1) Pump — models 205626, 222065, 222095.
  • Graco President Pump — Model 237526, Series A (air-motor assembly).

Part Information

Part Number 101578
Item Name Screw, Cap, Hex Head (Hex Hd Screw Cap)
Category OEM Fastener / Service Hardware
Known Fit Families Mini Fire-Ball 225, Fire-Ball 425, President series (select models)
Typical Use Secures pump/air-motor components; used where a hex head cap screw is specified in Graco assemblies
Also Labeled As SCREW, cap, hex hd in Graco manuals

Why Choose Genuine Graco 101578

  • OEM Accuracy — exact hardware specified by Graco for the assemblies listed.
  • Fit & Reliability — maintains correct clamping force for long-term performance.
  • Straightforward Replacement — drop-in swap when your manual calls out 101578.

Compatibility Notes

  • Match the fastener position number in your machine’s parts manual to confirm usage.
  • Hardware specifications can vary by series/serial; verify length/thread callouts in your manual before ordering multiples.
  • If your unit is not listed above but is a Fire-Ball or President variant, check its exploded diagram for 101578.

Frequently Asked Questions

It’s an OEM hex head cap screw that secures components within select Graco pump/air-motor assemblies, commonly seen in Fire-Ball and President series equipment.

Confirmed fits include Mini Fire-Ball 225 (3:1), Fire-Ball 425 (10:1) models 205626/222065/222095, and the President Pump Model 237526 (Series A). Always verify against your exact parts manual.

Locate your unit’s exploded parts diagram from the official manual and check the item number/description. If it lists SCREW, cap, hex hd — 101578, this is the correct fastener.

It is typically supplied per piece. Some assemblies call for multiple fasteners—order the quantity shown in your manual for the specific position(s).

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