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Graco 102776 Seal Shaft

Graco 102776 Seal, Shaft — OEM shaft seal for select Imperial / Crown Imperial centrifugal pumps. Helps stop leaks and protect bearings for reliable performance.

  • OEM Part: Graco 102776 (Seal, Shaft)
  • Fits: Crown Imperial 6–11 stage; Imperial 12–13 & 14 stage
  • Function: Seals rotating shaft to prevent fluid loss and wear
  • Verify: Confirm your parts diagram lists 102776

$72.65
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Overview & Compatibility

Compatible Machines

  • Graco Crown Imperial centrifugal pumps — 6–11 stage models (uses 102776 Seal, Shaft)
  • Graco Imperial centrifugal pumps — 12–13 stage models
  • Graco Imperial centrifugal pumps — 14 stage models

About the Graco 102776 Seal, Shaft

The Graco 102776 is an OEM Seal, Shaft designed to prevent fluid leakage around a rotating shaft, protect bearings, and help maintain pump performance and prime. It is typically used in Graco Imperial / Crown Imperial centrifugal pump families that specify this seal in their parts lists.

Key Benefits

  • OEM fit & reliability — engineered by Graco for compatible pump models.
  • Leak protection — helps maintain pressure and reduce downtime.
  • Bearing & shaft protection — minimizes contamination and wear.

Specifications

OEM Part Graco 102776 — Seal, Shaft
Fits Family Graco Imperial & Crown Imperial centrifugal pumps (see “Compatible Machines” above)
Function Shaft sealing to help prevent fluid leakage and protect internal components
Form Factor (approx.) Packaged dimensions often listed around ~0.85" H × 2.55" L × 2.5" W*
Brand Graco

Installation & Use Tips

  • Depressurize and disconnect power before service.
  • Inspect the shaft surface; replace or polish if scored to avoid premature seal wear.
  • Clean the seal bore and use light, compatible lubricant during installation.
  • Set coupler/bearing clearances per your specific Graco service manual.
  • After reassembly, test for leaks at low pressure before returning to service.

Frequently Asked Questions

Not all. It is listed for Crown Imperial 6–11 stage and Imperial 12–13 & 14 stage pump configurations. Verify your exact model’s parts list before ordering.

Yes. Graco 102776 is an OEM Seal, Shaft for the compatible pump families noted above.

Check your unit’s service/parts manual. If the parts diagram calls out 102776 as “Seal, Shaft,” it’s the correct part. If it lists a different number, use that OEM reference instead.

Work clean, inspect the shaft for wear, lubricate lightly with a compatible fluid, and set clearances to spec. After assembly, pressure-test for leaks before full operation.

Use the exact OEM part number shown in your manual. Seals vary by stage count, bore, and shaft spec; substituting can cause leaks or premature wear.

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