
Product: 20Y-979-6191 Sensor (for Komatsu Construction Machinery)
1.Precise Temperature Measurement: As a temperature sensor, it can monitor temperature changes in key parts such as the engine and hydraulic system in real time, with stable and reliable signal output.
2.High DurabilityOEM-grade high-quality materials, it has a sturdy structure and can withstand extreme vibration, high temperature, oil contamination, and dust in construction machinery operations.
3.Plug-and-Play: Equipped with a special waterproof and dustproof connector, it is fully compatible with the original Komatsu equipment interface, enabling easy installation without additional modifications.
4.Superior Protection Performance: Features high-level waterproof, oil-resistant, and anti-electromagnetic interference capabilities, adapting to complex outdoor working conditions and ensuring long-term stable operation.
5.Precise Matching: Produced strictly in accordance with Komatsu original specifications, with consistent dimensions and electrical parameters as original parts, ensuring full compatibility with the equipment system.
| 20Y-979-6191 | |
| 1 | |
| PC200 PC1250 |
| K-OMATSU | |
| 1KG | |
hot-sale products




: Matches the performance of original parts, meeting the strength and durability requirements of heavy-duty equipment working conditions and reducing failure risks.
: More competitive in price compared to original parts, while providing reliable performance to effectively control equipment maintenance costs.
: High sensitivity in temperature detection, enabling timely feedback on abnormal equipment temperatures to support system protection and fault early warning.
: Can directly replace original sensors in various Komatsu models such as excavators, loaders, and bulldozers, with strong universality.
Reliable After-Sales Support: Professional technical support and fast delivery services are provided to guarantee equipment maintenance efficiency and reduce downtime.
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High-quality accessories are meant to be shared-pass this on to fellow operators who need dependable parts!
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Brand-new construction machinery parts bring more demand to customers.
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Professional team gives customers a full understanding of product performance and better use.
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High-quality after-sales service, solve difficult problems for customers and guide them how to deal with them.
Komatsu series excavators (such as PC200, PC220, PC300, etc.), loaders, bulldozers, and other heavy equipment.
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Engine system: Monitors coolant temperature and engine oil temperature to prevent overheating and damage to the engine.
Hydraulic system: Monitors hydraulic oil temperature to ensure the hydraulic system operates efficiently within a safe temperature range.
Equipment temperature control system: Provides core data input for intelligent temperature control and fault diagnosis of equipment.
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20Y-979-6191
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PC200
After-Sales Maintenance Market: As an original replacement part, it is widely used in the maintenance, repair, and refurbishment of construction machinery, serving as one of the core components in the equipment aftermarket.


5-Star Customer Review
Verified Purchase|Fast Shipping|Perfect Performance.Our quality is guaranteed, and many overseas customers have given positive reviews and feedback after purchasing, stating that the performance advantages are good and they are willing to buy again. Moreover, some customers have specifically come to your company for on-site inspections and have expressed their willingness to enter into a long-term partnership with our company
Great moments with our overseas partner!Quality wins trust, service builds long-term cooperation.We supply reliable construction machinery parts to the world.Welcome more partners to cooperate with us!




jining Tongderui Construction Machinery Co., Ltd. was established in 2011, mainly engaged in excavator parts, loader parts, bulldozer parts and dump truck parts. Our company has a high-quality professional technical research and development team engaged in product research and development in the field of Construction equipment all year round, with strong technical force.As the core force of the company's business expansion, the sales team has extensive experience and has participated in bauma CHINA in Shanghai twice in 2018 and 2024, establishing long-term cooperative relationships with international customers and accumulating rich industry resources and market insights.
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