Reliable power transmission is essential for heavy machinery performance. The 16AS Coupling (also referred to as 16-AS) is a critical component for connecting the engine to the hydraulic pump in various excavator models. Whether you are performing a routine overhaul or urgent maintenance, sourcing an OEM-standard replacement ensures your equipment operates without vibration or premature wear.
As a specialized heavy equipment parts supplier, we provide the 16AS Coupling designed to meet the exact tolerances of your machine. Our stock is ready for immediate dispatch to minimize your downtime.
| Attribute | Details |
|---|---|
| Product Name | Hydraulic Pump Coupling / Flexible Coupling |
| Part Number | 16AS (16-AS) |
| Model Compatibility | Excavator 320B, 320C, 320D Series |
| Material Type | High-strength Elastic Resin / Steel Hub |
| Condition | Brand New, OEM Standard Replacement |
| Application | Engine Rebuild, Pump Overhaul, General Maintenance |
| MOQ | 1 Piece |
| Stock Status | In Stock / Fast Worldwide Dispatch |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express (DHL, Fedex, EMS, UPS), Air, or Sea Freight |
Why professional workshops choose our 16-AS parts over generic alternatives:
| Key Procurement Points | Standard Grade Replacement | Low-Cost Generic Parts |
|---|---|---|
| Vibration Damping | High-density material absorbs torque spikes | Poor elasticity leading to shaft wear |
| Fitment Accuracy | Precision CNC machined for 16AS spec | Requires forced installation |
| Heat Resistance | Maintains integrity at high engine temps | Deforms under continuous load |
| Service Life | Extended MTBF (Mean Time Between Failure) | Frequent replacements required |
| Material Density | OEM Standard tri-metal or reinforced resin | Recycled composite materials |
| Warranty Support | Full replacement guarantee for defects | No after-sales support |
Get a fast quote for the 16AS Coupling and other engine components.
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Common symptoms of a worn 16AS Coupling include unusual noise from the pump area, increased vibration during hydraulic operations, and visible rubber debris in the flywheel housing. If the coupling fails completely, the pump will not receive power, leading to a total loss of hydraulic functions.
During a major overhaul, always inspect the coupling for cracks or hardening. Replacing the 16AS before it shears is much cheaper than repairing a damaged pump input shaft or flywheel gear.
Our team helps operators:
Identify potential risks during maintenance to prevent catastrophic failure.
Recommend suitable replacement parts based on your specific machine serial number.
Support both inspection advice and parts supply for a complete repair solution.
Answer: Our parts feature an OEM-standard tri-metal structure and high-performance elastic components. We are trusted by repair shops and equipment fleets globally because we prioritize quality that matches original specifications without the premium "brand name" markup.
We specialize in comprehensive solutions for world-leading engine brands. From complete engine assemblies to internal components, our inventory is designed for professional mechanics and procurement managers.
Our core range includes: Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai engines and spare parts.
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