

Strong OEM pump pin engineered to keep pump components securely aligned for smooth and reliable performance.
The Graco 15J141 Pump Pin is a precision-manufactured fastening component designed for high-performance pump assemblies. It secures critical internal parts such as plungers or pistons and ensures stable alignment under high-pressure conditions, helping to maintain optimal function and longevity of the pump system.
| Feature | Details |
|---|---|
| Material & Finish | High-strength metal pin engineered for resilience and wear resistance |
| Function | Secures internal pump components and maintains alignment |
| Pressure Tolerance | Built for demanding pump conditions with frequent use |
| Fit | OEM-specified dimension for correct placement in compatible pump assemblies |
Before installing the 15J141 pin, make sure the pump is fully shut down and depressurized. Remove the old pin, clean the surrounding area, inspect mating parts (such as the plunger or piston) for signs of wear, then insert the new pin in its exact position. Ensure secure seating and minimal play. After installation, cycle the pump at low pressure first to verify correct operation. Inspect the pin periodically for signs of movement or wear, especially in high-cycle systems.
Choosing the genuine 15J141 ensures precise dimensions, proper hardness and material composition tailored for the pump’s requirements. This helps avoid alignment issues, reduce component fatigue and ensure stable performance across the life of the pump system — aspects that aftermarket pins may not consistently deliver.
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