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Graco 161793 Piston Cup Seal Aftermarket | Bedford 4-343

PriceQuantity

$ 27.04
Part #:

161793      

MPN:

4-343      

Manufacturer:

Bedford Precision Parts

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Graco 161793 Piston Cup Seal - Premium Quality Aftermarket Replacement | Bedford 4-343

The Bedford 4-343 provides a premium aftermarket replacement for the Graco 161793 piston cup seal. This precision-engineered sealing component delivers reliable performance and excellent wear resistance, offering OEM-level quality with significant cost savings for your spray equipment maintenance.

Premium Quality Precision Fit Wear Resistant

Why Choose This Piston Cup Seal

  • Precision-engineered for reliable sealing and smooth operation
  • Durable construction ensures extended service life
  • Cost-effective replacement for Graco 161793
  • Direct replacement with identical performance to OEM

Common Applications

  • Graco airless spray pump maintenance
  • Piston seal replacement and repair
  • Pump rebuild projects
  • Professional equipment servicing

Compatible with Graco equipment requiring part number 161793.

What It Fits

  • Graco equipment requiring 161793 piston cup seal
  • Various Graco airless spray pump models
  • Professional spray system maintenance
  • Industrial coating equipment

If your equipment specifies Graco 161793, Bedford 4-343 is the correct aftermarket replacement.

Technical Specifications

AftermarketBedford 4-343
OEMGraco 161793
Part TypePiston Cup Seal
ApplicationAirless Spray Pump
MaterialWear-Resistant Compound
QuantitySingle Seal
CompatibilityGraco Pump Systems
BrandBedford Precision Parts (Aftermarket)

Installation Notes

  1. Depressurize spray system completely before disassembly
  2. Clean piston and cylinder thoroughly before installation
  3. Lubricate seal with compatible lubricant before installation
  4. Ensure proper orientation and seating on piston
  5. Test system for leaks and proper operation after reassembly

Pro Tip: Replace piston cup seals in sets when doing pump maintenance for optimal performance.

When to Replace Piston Cup Seals

  • Fluid leakage past the piston
  • Reduced pump pressure or performance
  • Visible wear, cracking, or damage to seal
  • During routine pump maintenance or rebuild

Bedford vs OEM

Feature Bedford Aftermarket OEM (Graco)
Fit & FunctionDirect replacement for 161793Original factory configuration
PerformanceReliable sealing and smooth operationOriginal equipment performance
DurabilityWear-resistant material constructionFactory material specification
ValueSingle seal provides cost savingsIndividual or kit options

Frequently Asked Questions

The piston cup seal creates a tight seal between the piston and cylinder wall, preventing fluid leakage while allowing the piston to move smoothly during pump operation.
Yes, this piston cup seal is designed as a direct replacement for Graco part number 161793 and fits equipment that specifies this part number.
Replace when you experience fluid leakage, reduced pump performance, visible wear or damage to the seal, or during routine pump maintenance intervals.
This Bedford 4-343 package contains 1 identical piston cup seal replacement.
If in stock, orders ship from Bedford Hill, New York for quick delivery to your location.