Please wait while we process your order...

Product successfully added to your cart.
Cart Image

Quantity in Cart: 1

Continue Shopping Shopping Cart
Item removed from Cart
X
 
×

sprayersandparts Logo

Product Image

Graco 115347 Packing U-Cup

The Graco 115347 Packing U‑Cup is a premium internal sealing component used in Graco spray guns and fluid‑pumps — designed to seal pistons or fluid chambers and prevent leaks, ensuring stable pressure and smooth fluid delivery.

  • OEM U‑Cup packing/seal for Graco equipment
  • Seals piston/rod or fluid chamber — prevents leaks and fluid bypass
  • Used in spray guns, airless sprayers, pumps and fluid‑handling systems
  • Essential for maintenance or rebuilds when seals wear or leak

$41.8
0
Based on 0 reviews
5 ★
0%
4 ★
0%
3 ★
0%
2 ★
0%
1 ★
0%

About the Graco 115347 Packing U-Cup

The Graco 115347 Packing U-Cup is a genuine OEM-specified internal seal (U-Cup style) — used to seal piston/rod assemblies or fluid-chambers inside Graco spray guns, pumps and fluid-handling equipment, preventing leaks and ensuring reliable pressure/fluid containment.

Compatible Assemblies / Use-Cases

  • Graco spray-guns, airless sprayers and fluid-pumps that use piston/rod + cylinder mechanisms and require internal sealing
  • Industrial coatings, painting or fluid-delivery systems under Graco — especially where high pressure or solvent exposure demands robust packing/seal integrity
  • Replacement / maintenance — when the original seal is worn out, leaking, or during overhaul to restore proper sealing and performance

Product Details

Part Number 115347
Description Packing U-Cup / Internal Seal for fluid-chamber or piston/rod assembly (OEM)
Function Seals piston/rod or fluid chamber to prevent leaks, maintain pressure and ensure smooth fluid delivery
Typical Use Spray guns, airless sprayers, pumps and fluid-handling equipment requiring reliable internal sealing
OEM Status Original Graco part — ensures correct fitment, material, tolerances and sealing performance

Why Use This U-Cup Packing?

  • Delivers reliable fluid-tight sealing under pressure — prevents leaks and fluid bypass
  • Ensures consistent fluid delivery and spray performance by maintaining internal pressure integrity
  • OEM-specified — exact fit and compatibility with Graco housings and internal parts
  • Essential for maintenance or rebuilds — replacing worn/damaged seals to restore equipment life and performance

Frequently Asked Questions

It seals the piston or fluid chamber interface — preventing fluid leaks and maintaining pressure inside spray or pump systems.

Yes — 115347 is listed among official Graco spare-parts catalogs as “Packing, U-Cup” for fluid-handling and spray equipment.

Replace it if you observe fluid leakage, pressure loss, poor spray/pump performance, or during routine maintenance or overhaul — to ensure continued sealing reliability.

Payment Method   Payment Method   Payment Method   Payment Method 

ADDRESS