Heavy-duty excavator piston for JMV64 hydraulic pump repairs; OEM-grade replacement.
Precision Machined: Manufactured to OEM-grade tolerances ensuring stable hydraulic performance.
High Compatibility: Suitable for JMV64 and GM21VA-A-4883-2 hydraulic pumps across major brands.
Wear-Resistant Material: Made from alloy-treated steel for extended service life.
Restores Pump Efficiency: Effectively restores worn main pumps to optimal performance.
Bulk Ready: Designed for distributors and heavy machinery repair stockists.
The YNF16715 piston, identified under GM21VA-A-4883-2 and JMV64, is an essential component for hydraulic main pump restoration. It is used in a wide range of excavator hydraulic systems, particularly in piston-type variable displacement pumps. This piston is produced with high-grade steel and tight dimensional control, ensuring excellent wear resistance, low friction, and extended service life under extreme load conditions. Ideal for repair centers and parts dealers, this piston helps maximize machinery uptime and reduce operational cost by offering reliable performance at competitive pricing.
Learn more about hydraulic pump pistons at YNF Machinery
| Item | Description |
|---|---|
| Applicable Pump Model | JMV64, GM21VA-A-4883-2 |
| YNF Part Number | YNF16715 |
| Category | Hydraulic Main Pump Components |
| Part Type | Piston |
| Material | Alloy Steel with Precision Finish |
| Application | Main Pump Internal Component |
| Country of Origin | China |
| Brand | YNF |
| MOQ | 1 set |
| Shipping Method | Express, Air, Sea |
| Payment Method | T/T, PayPal, L/C |
| Application Area | Description |
|---|---|
| Excavator main pump repair | Replaces worn pistons to restore pressure |
| Hydraulic power units | Internal motion transfer component |
| Construction machinery repair | Rebuild kits for hydraulic pumps |
| Equipment aftermarket parts | Wholesale and distribution for dealers |
| Heavy-duty repair services | Stock replacement part for overhaul centers |
Related Products:
Cylinder blocks for JMV64
Valve plates for main pump repair
Complete hydraulic pump repair kits
FAQs:
Is this compatible with Komatsu or Doosan models? Please check your pump model, most JMV64 are used across multiple OEM brands.
Can I order in bulk for warehouse stock? Yes, we support distributor pricing and packaging.
Do you offer a full pump kit with pistons? Yes, inquire for bundle offers.
YNF Machinery supplies precision-manufactured pistons for excavator hydraulic pumps like the GM21VA-A-4883-2 (JMV64). Whether you’re a reseller or a service technician aiming to restore pump performance, our YNF16715 piston ensures long-term reliability and competitive margins. Reach out now to check pricing and lead time.
Part number: 4345905 Model: EX30-2 EX40UR-2C EX55UR Product name: Piston Pump Seal Kit Code: YNF13923 Product photos: CONTACT US
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