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Graco 187613 Piston Rod - Aftermarket | Bedford 57-1948
PriceQuantity
$ 106.93
Part #:
187613
MPN:57-1948
Manufacturer:Bedford Precision Parts
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In Stock
Graco 187613 Piston Rod - Premium Quality Aftermarket Replacement | Bedford 57-1948
The Bedford 57-1948 provides a premium aftermarket replacement for the Graco 187613 piston rod, engineered for 390ST series sprayers. This precision-machined piston rod delivers reliable performance and extended service life, offering OEM-level quality with significant cost savings for your equipment maintenance.
Aftermarket Value
Precision Machined
Durable Construction
Why Choose This Piston Rod
- Precision-machined to exact OEM specifications for perfect fit
- High-strength materials ensure durability and long service life
- Direct replacement for Graco 187613 with identical performance
- Maintains proper alignment and smooth pump operation
Common Applications
- Graco 390ST series sprayers
- Pump overhaul and performance restoration
- Professional contractor equipment repairs
- Industrial spray system maintenance
Compatible with equipment requiring Graco part number 187613.
What It Fits
- Graco 390ST series airless sprayers
- Equipment requiring Graco part number 187613
- Professional contractor spray systems
- Industrial coating equipment
If your sprayer specifies Graco 187613, Bedford 57-1948 is the correct aftermarket replacement.
Technical Specifications
| Aftermarket | Bedford 57-1948 |
|---|---|
| OEM | Graco 187613 |
| Component Type | Piston Rod |
| Material | High-Strength Steel |
| Compatibility | 390ST Series Sprayers |
| Function | Pump Drive & Fluid Compression |
| Brand | Bedford Precision Parts (Aftermarket) |
Installation Notes
- Depressurize spray system completely before beginning repair
- Follow manufacturer's pump disassembly procedures carefully
- Clean all mating surfaces thoroughly before installation
- Lubricate piston rod according to manufacturer specifications
- Ensure proper alignment during reassembly to prevent binding
Pro Tip: Replace packings and seals when installing a new piston rod for optimal performance.
When to Replace Piston Rods
- Visible scoring, pitting, or wear on rod surface
- Excessive fluid leakage around piston rod
- Reduced pump pressure or efficiency
- Bent or damaged rod affecting pump operation
Bedford vs OEM
| Feature | Bedford Aftermarket | OEM (Graco) |
|---|---|---|
| Fit & Function | Direct replacement for 187613 | Original factory configuration |
| Performance | Smooth operation with proper alignment | Original equipment performance |
| Durability | High-quality materials meeting specifications | Factory material specification |
| Value | Significant cost savings | Original manufacturer pricing |
Frequently Asked Questions
The piston rod transfers mechanical force to move the piston through the pump chamber, creating the pressure needed to move fluid through the spray system in 390ST series sprayers.
Yes, this piston rod is designed for Graco 390ST series sprayers and is a direct replacement for Graco 187613.
Common signs include visible scoring or wear on the rod surface, excessive fluid leakage, reduced pump pressure, or a bent rod affecting operation.
Yes, we recommend replacing packings, seals, and other wear components during piston rod replacement to ensure complete pump restoration and optimal performance.
If in stock, orders ship from Bedford Hill, New York for quick delivery to your location.
