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Graco 181879 Aftermarket | Bedford 57-1360 Piston Rod
PriceQuantity
181879
MPN:57-1360
Manufacturer:Bedford Precision Parts
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Graco 181879 Piston Rod - Aftermarket Replacement | Bedford 57-1360
Restore optimal performance to your Ultra 400, Ultra 500, EM380, EM390, and EM490 series pumps with this precision-engineered piston rod replacement. This critical component delivers reliable reciprocating motion and maintains proper alignment in high-pressure applications. Manufactured to match Graco 181879 specifications, the Bedford 57-1360 aftermarket piston rod ensures smooth operation and extends service life for demanding industrial spray systems.
Why Choose This Piston Rod
- Precision-machined for exact fit and smooth reciprocating motion.
- Hardened surface treatment resists wear and extends service life.
- Direct replacement design ensures proper alignment and performance.
- Durable construction withstands high-pressure industrial environments.
Typical Compatibility
- Graco Ultra 400 and Ultra 500 series pumps.
- EM380, EM390, and EM490 pump assemblies.
- Industrial spray systems requiring piston rod replacement.
Always verify by Illustrated Parts List (IPL) for your exact model/ratio before ordering.
What It Fits
- Graco Ultra 400 and Ultra 500 pumps calling for OEM 181879.
- EM380, EM390, and EM490 series pump assemblies.
- Production systems equipped with compatible pump configurations.
If your pump IPL references the OEM above, Bedford 57-1360 is the correct aftermarket match.
Technical Specifications
| Aftermarket | Bedford 57-1360 |
|---|---|
| OEM | Graco 181879 |
| Also Replaces | Ultra 400, Ultra 500, EM380, EM390, EM490 piston rods |
| Fits | Multiple Graco pump series; compatible systems per IPL |
| Type | Piston rod assembly |
| Material | Precision-machined steel, hardened surface |
| Function | Provides reciprocating motion, maintains alignment, transfers pump force |
| Application | High-pressure industrial spray systems |
| Brand | Bedford Precision Parts (Aftermarket) |
Installation Notes
- Relieve all system pressure; lock out power supply and follow safety procedures.
- Disassemble pump assembly according to manufacturer specifications.
- Clean all components thoroughly and inspect for wear or damage.
- Install new piston rod using proper alignment and lubrication.
- Reassemble pump, test operation, and verify proper performance.
Real Installation Tip: Ensure proper alignment during installation to prevent premature wear.
When to Rebuild / Replace
- Visible scoring, wear, or corrosion on piston rod surface.
- Reduced pump performance or inconsistent pressure output.
- Excessive vibration or noise during pump operation.
- Fluid leakage around packing areas or seal failures.
Bedford vs OEM
| Feature | Bedford Aftermarket | OEM (Graco) |
|---|---|---|
| Fit & Function | Direct replacement per IPL | Original factory configuration |
| Material Quality | Precision-machined hardened steel | Factory material specification |
| Surface Finish | Hardened wear-resistant treatment | OEM baseline performance |
| Availability | If in stock, ships from Bedford Precision Parts in Bedford Hill, New York. | Ships via OEM distribution |
