33-99No. Mufu E Rd. Gulou District, Nanjing, China [email protected] | [email protected]
33-99No. Mufu E Rd. Gulou District, Nanjing, China [email protected] | [email protected]
Home / Products / Hydraulic Pump / KYB
Product Overview
This premium repair seal kit is engineered for KYB PSD2-21E hydraulic piston pumps, widely used in mini excavators and light construction machinery. It includes all essential shaft seals, O-rings, gaskets and backup rings for full pump overhaul.
Made of imported high-quality NBR and FKM fluororubber, the kit features excellent oil resistance, temperature resistance and wear resistance. It perfectly replaces original KYB seals, solves common problems such as oil leakage and pressure loss, and prolongs pump service life under long-term heavy-duty operation.
Product Specifications
Item |
Detailed Parameter |
Product Name |
KYB PSD2-21E Hydraulic Pump Seal Kit |
Applicable Model |
PSD2-21E / PSVD2-21E (Mini Excavator Main Pump) |
Compatible Series |
KYB PSVD2 Series Piston Pump |
Main Material |
Imported NBR / FKM Fluororubber + Reinforced Backup Ring |
Max Working Pressure |
32MPa |
Working Temperature |
-25°C ~ 110°C |
Kit Contents |
Shaft seal, O-rings, gaskets, backup rings, full overhaul parts |
Cross Reference OEM No. |
KYB Original No. 21E-001, 21E-002 |
Net Weight |
Approximately 0.75kg |
Applicable System |
Closed-loop hydraulic piston pump system for mini excavators |
Warranty |
12 Months |
Key Selling Points
1. 100% Exact OEM Replacement.Fully compatible with original KYB PSD2-21E / PSVD2-21E piston pumps. Matches OEM part numbers 21E-001 and 21E-002. No modification required for direct installation.
2. Premium Imported Sealing Material.Core sealing parts adopt high-performance FKM rubber and reinforced backup rings. The material is oil-proof, corrosion-resistant and aging-resistant, working stably in temperatures from -25°C to 110°C.
3. Zero Leakage & High Pressure Durability.All components are strictly tested under 32MPa high pressure. It eliminates internal and external oil leakage, maintaining stable hydraulic pressure and consistent machine power output.
4. Complete All-in-One Repair Kit.Covers all sealing accessories needed for full pump maintenance. Complete parts reduce repair time and lower equipment operation costs.
5. Strict Factory Quality Control.Every seal kit passes air tightness, high pressure and aging tests before delivery. It meets OEM standards and ensures reliable long-term industrial performance.
6.Application Scope.Suitable for KYB PSD2-21E hydraulic pumps on various heavy-duty equipment:
Welcome to HOVOO, a Chinese seal factory. Production of PU, Rubber and PTFE seals. The seals include O-ring, piston seal, rod seal, Gray ring and gas seal.
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