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
 
×
📢 From June 8th to 25th, phone support will be limited. For assistance, please email us and we will respond as promptly as possible. Orders will continue to be processed normally.

sprayersandparts Logo

Product Image

Graco 277363 3.5 in Piston Seal Repair Kit

The Graco 277363 Kit Repair Pump Seal is a genuine PTFE piston seal kit designed to restore proper sealing in 1500 cc pump assemblies, extending pump life and reliability.

  • Compatible with 1500 cc displacement pumps
  • OEM Graco part for precise fit
  • PTFE seals resist wear and chemical exposure
  • Restores pump efficiency and reduces bypass

$670
0
Based on 0 reviews
5 ★
0%
4 ★
0%
3 ★
0%
2 ★
0%
1 ★
0%

Compatible Machines & Pump Families

  • 1500 cc Displacement Pumps – Graco pump assemblies that use a 1500 cc lower section where the PTFE piston seal conversion (part #277363) is specified in the parts manual.
  • Graco Industrial Sprayers – Systems built around 1500 cc piston pumps that require PTFE seal conversion kits for restoring seal integrity.
  • Other Graco Pump Families – Any pump assembly that lists the OEM part #277363 for PTFE piston seal replacement in official Graco documentation.

Product Overview

The Graco 277363 Kit, Repair, Pump Seal is a genuine Graco PTFE‑based piston seal repair kit designed to restore or upgrade the sealing surfaces inside compatible high‑volume airless pump assemblies. PTFE seals offer chemical resistance and reduced wear compared to standard seals.

Specifications & Key Details

Part Number Graco 277363
Description Kit Repair Pump Seal — PTFE piston seal conversion kit
Seal Type PTFE (polytetrafluoroethylene) piston seals
Application Replacement PTFE piston seal conversion in 1500 cc lower pump assemblies
OEM Part Yes — Genuine Graco replacement component

Frequently Asked Questions

The kit contains PTFE piston seal components designed to replace existing seals inside 1500 cc pump assemblies to restore proper sealing and minimize bypass.

Check your pump's parts list or manual. If the OEM documentation specifies part #277363 for PTFE piston seal conversion on your 1500 cc lower pump section, this kit will fit.

Installation requires access to the pump’s internal piston assembly. If you are not familiar with disassembling piston pumps safely, consult a technician or refer to the service manual.

Payment Method   Payment Method   Payment Method   Payment Method 

ADDRESS