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Graco 103994 Gasket Cover

The Graco 103994 Gasket Cover provides a reliable seal between the cover and housing, preventing leaks and maintaining pressure stability in your Graco equipment.

  • Part Number: 103994
  • Material: Buna-N (Nitrile Rubber)
  • Function: Seals cover-to-housing to prevent fluid or air leaks
  • Use: Common in Graco spray and fluid handling assemblies

$25.52
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Overview & Key Details

The Graco 103994 Gasket Cover is a replacement cover gasket used to seal mating surfaces on select Graco equipment, helping prevent fluid leaks and contamination and maintaining proper system pressure.

Compatible Machines

Specific model mapping for part 103994 is not publicly enumerated by Graco. Please verify compatibility against the service/parts manual for your exact sprayer or assembly before purchase.

Product Details

  • Function: Seals the cover-to-housing interface to reduce leaks and ingress of contaminants.
  • Use case: Common in pump/fluid housing cover assemblies on Graco spray and fluid-handling equipment.
  • Maintenance: Replace if hardened, cracked, flattened, or after disassembly of the cover.

Specifications

Part Number 103994
Item Name Gasket Cover
Material Buna-N (Nitrile) elastomer (typical for cover gaskets)
Packaging 1 × gasket

Installation & Care Tips

  • Clean mating surfaces; remove old gasket residue without scratching the sealing faces.
  • Dry-fit to confirm alignment; avoid stretching or twisting the gasket.
  • Tighten cover fasteners evenly in a cross pattern to the manufacturer’s torque specification.
  • After first run, re-check for seepage and re-torque fasteners if required.

When to Replace

  • Visible cracks, flattening, or hardening of the gasket.
  • Persistent seepage around the cover perimeter.
  • Frequent pressure loss or air ingestion at the cover interface.

Frequently Asked Questions

Locate your sprayer’s service/parts manual and search the parts list for 103994. If listed, it is compatible. If not, consult an authorized Graco distributor with your model and serial number.

Clean and dry the sealing faces, place the new gasket without stretch, align holes, and tighten fasteners evenly to spec. After the first run, inspect for seepage and re-torque if required.

This gasket is typically Buna-N (Nitrile), chosen for oil and fuel resistance. Always observe the temperature/chemical limits provided in your equipment manual.

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