Piston Description
The PCR-5B-30A Piston (Part No. YNF16487) is a core actuator component within mini and compact excavator hydraulic pump systems. Designed to fit PCR-5B-30A cylinder blocks, this piston translates hydraulic pressure into mechanical motion with exceptional efficiency. Each unit is manufactured using hardened steel and polished to fine tolerances, reducing surface fatigue and extending service life. Whether you’re operating a hydraulic service workshop or supplying B2B customers in need of reliable pump pistons, this part guarantees a seamless fit and stable operation under intensive workloads.
PCR-5B-30A Piston Technical Sheet
| Parameter |
Value |
| Part Name |
Piston / 柱塞 |
| Part No. |
YNF16487 |
| Model |
PCR-5B-30A |
| Application Area |
Excavator Hydraulic Pump Cylinder |
| Fitment |
PCR-5B-30A Cylinder Block |
| Compatible Machines |
Mini/Mid-size Excavators |
| Material |
Heat-Treated Alloy Steel |
| Brand |
YNF |
| Country of Origin |
China |
| MOQ |
1 Set (usually 7 or 9 pieces per pump) |
| Shipping Method |
Express, Air, or Sea |
| Payment Terms |
T/T, Western Union |
Hydraulic Piston Applications
| Application Area |
Description |
| Hydraulic Pump Assembly |
Converts fluid pressure into mechanical thrust |
| Excavator Hydraulic Overhaul |
Replaces worn or damaged pistons in pump system |
| Maintenance Service Centers |
Stock item for field repair teams and mobile units |
| Spare Parts Wholesalers |
Fits common mini excavator hydraulic systems |
| Aftermarket Repair Kits |
Often bundled with cylinder block and valve plate |
PCR-5B-30A Piston Detail Display
Why High-Precision Pistons Matter in Excavator Pumps?
Hydraulic pistons are central to energy conversion inside pump chambers. Inferior pistons can cause loss of pressure, leakage, and damage to the cylinder block. YNF’s PCR-5B-30A pistons are ground to exact specifications, making them ideal for precision-demanding excavator operations.
Related Products:
-
PCR-5B-30A Cylinder Block YNF16485
-
PCR-5B-30A Valve Plate YNF16486
-
Hydraulic Main Pump Repair Kit
-
Excavator Swing Motor Components
-
Mini Excavator Control Valve Assemblies
FAQs:
-
How many pistons are in each set?
Most models require 7 or 9 pistons—please confirm your pump configuration.
-
Can these be used in aftermarket repairs?
Yes, YNF16487 is fully compatible with OEM and aftermarket service needs.
