YNF17197 6136-61-6120 bypass hose for Komatsu 4D105, reinforced rubber water bypass pipe for engine cooling circulation.
OEM Reference：Direct replacement for Komatsu 6136-61-6120
Material：Heat-resistant and coolant-resistant reinforced rubber
Function：Maintains coolant circulation in engine bypass loop
Durability：Resists heat, pressure, vibration, and coolant corrosion
B2B-Oriented：Stable supply chain for wholesalers and maintenance centers
The YNF17197 bypass hose (6136-61-6120) is designed for Komatsu 4D105 diesel engines, ensuring stable coolant circulation through the engine’s bypass system. This hose plays a crucial role during warm-up and low-temperature operation, allowing controlled coolant flow before the thermostat opens.
Manufactured from reinforced, heat-resistant rubber, the YNF17197 hose withstands high temperatures, coolant chemical exposure, and engine vibration common in heavy-duty excavation applications. Its OEM-equivalent curvature and thickness ensure easy installation, leak-free sealing, and long-term performance.
Replacing worn, hardened, or cracked bypass hoses helps prevent coolant leakage, uneven temperature distribution, and potential engine overheating. YNF offers a reliable and cost-effective aftermarket solution trusted by repair centers, distributors, and fleet operators handling Komatsu machinery.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF17197 |
| OEM Number | 6136-61-6120 |
| Product Type | Bypass Hose / Water Bypass Pipe |
| Engine Model | Komatsu 4D105 |
| Material | Heat-resistant reinforced rubber |
| Function | Maintains coolant flow in bypass circuit |
| Resistance | Heat, coolant corrosion, vibration, aging |
| Application | Engine cooling system |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Pieces |
| Shipping | Sea, Air, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application Area | Description |
|---|---|
| Cooling Bypass Circuit | Circulates coolant before thermostat opens |
| Engine Warm-Up Stability | Helps maintain balanced engine temperature |
| Excavator Diesel Engine | Suitable for Komatsu 4D105-powered machines |
| Aftermarket Replacement | Ideal for repair workshops & distributors |
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FAQs:
Q: Is YNF17197 compatible with Komatsu 4D105 engines?
A: Yes, it is a direct OEM-equivalent replacement.
Q: What material is used?
A: High-temperature reinforced rubber.
Q: What is the function of a bypass hose?
A: It circulates coolant before the thermostat opens to ensure stable warm-up flow.
The YNF17197 6136-61-6120 bypass hose provides reliable coolant circulation for Komatsu 4D105 engines, preventing uneven temperature buildup and protecting engine components. Made from reinforced, heat-resistant rubber, it offers excellent durability under continuous vibration and coolant exposure. YNF supplies consistent quality and competitive pricing, making this hose a strong choice for wholesalers, maintenance teams, and fleet operators needing dependable aftermarket cooling components. Contact us today for pricing and bulk order availability.
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