In the heavy machinery industry, maintaining hydraulic system purity is non-negotiable. The 31Q6-20340-P (also identified as 31Q620340P) is a critical hydraulic return filter designed to protect your equipment from contaminants that cause premature component wear. Whether you are performing a routine service or a complete system overhaul, choosing an OEM-standard replacement ensures your machinery operates at peak efficiency.
| Part Number | 31Q6-20340-P / 31Q620340P | Product Name | Hydraulic Return Filter / Filter Element |
| Model Compatibility | R215-7, R225-7, R210LC-7, R220LC-7 | Condition | Brand New, OEM Standard Replacement |
| Stock Status | In Stock / Fast Dispatch | Minimum Order (MOQ) | 1 Piece |
| Payment Terms | T/T, Western Union, MoneyGram | Delivery Methods | DHL, Fedex, EMS, UPS, Air/Sea Freight |
| Application | Excavator Maintenance, Hydraulic System Overhaul | Packaging | Industrial Export Packing |
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This filter element is engineered specifically for the following excavator series to ensure perfect fitment and pressure ratings.
| Machine Brand | Equipment Category | Specific Model Number |
|---|---|---|
| Hyundai Replacement | Crawler Excavator | R215-7 / R215LC-7 |
| Hyundai Replacement | Crawler Excavator | R225-7 / R225LC-7 |
| Hyundai Replacement | Crawler Excavator | R210-7 / R210LC-7 |
| Hyundai Replacement | Crawler Excavator | R220-9S / R220LC-9 |
| Core Purchasing Factor | Standard Market Filters | Our 31Q6-20340-P Replacement |
|---|---|---|
| 1. Filtration Efficiency | Varies (60-80%) | High-Precision 99% Micron Rating |
| 2. Pressure Resistance | Low Burst Strength | Reinforced Steel Core for High Flow |
| 3. Material Grade | Basic Filter Paper | Synthetic Fiber with OEM-Grade Media |
| 4. Service Life | Short intervals (approx 250h) | Extended Duty Cycle (500h+ Performance) |
| 5. Fitment Integrity | Occasional Leakage | Precision-Molded Seals for Zero Leaks |
| 6. Availability | Long Lead Times | Immediate Dispatch from Global Hubs |
Operational downtime is often caused by overlooked filtration issues. Our team helps operators:
Identify potential risks during maintenance, such as hydraulic pump cavitation.
Recommend suitable replacement parts if needed based on oil analysis.
Support both inspection advice and parts supply for long-term fleet health.
By using the 31Q6-20340-P, you are investing in the longevity of your hydraulic pumps and control valves.
A: A clogged 31Q6-20340-P return filter often increases backpressure. This restricts oil flow back to the tank, causing the system to overheat and the controls to feel sluggish. Replacing the filter element is the first step in resolving "weak" hydraulic movements.
A: For heavy-duty operations like rock breaking or deep excavation, we recommend replacement every 500 working hours. If you notice dark hydraulic oil or metal shavings, inspect the filter immediately.
A: Our replacements feature an OEM-standard tri-metal structure and high-density pleating. We are trusted by repair shops & equipment fleets globally for providing reliable alternatives to high-priced dealership parts without sacrificing quality.
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