Product Description
Thermostat YM129155-49801 For Yanmar 4TNV88 Engine Spare Parts
High-quality engine thermostat (71°C) for Yanmar engines. Direct replacement with 12-month warranty.
Product Specifications
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Part Number
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YM129155-49801
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Product Type
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Thermostat (71°C)
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Engine Model
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Yanmar 4TNV88, 4TNE88, 3D88, 4D88
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Applicable Model
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Komatsu PC35R-8, PC50MR-2, SK815-5, SK820-5
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Condition
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Brand New
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Quality
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OEM equivalent standard
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Place of Origin
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China
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Warranty
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12 Months
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MOQ
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1 PC
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Lead Time
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3-5 working days
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Product Description
The YM129155-49801 Thermostat (71°C) is a high-quality engine thermostat for Yanmar 3D84, 4D84, 3D88, 4D88, 4TNE88 and 4TNV88 diesel engines, widely used in Komatsu PC35R-8, PC50MR-2 mini excavators and SK815-5, SK820-5 skid steer loaders. It regulates engine coolant flow to maintain optimal operating temperature, ensuring fast warm-up, stable engine performance and reduced emissions. Cross reference part numbers: 129155-49800, 4900260.
Manufactured with a precision temperature-sensitive element and durable housing, it delivers reliable opening and closing performance, stable sealing and long service life.
Why Choose Us
✅ OEM Equivalent Standard quality at competitive price
✅ 12-month warranty
✅ Fast lead time 3-5 days
✅ Strict QC inspection
✅ Custom packaging available
FAQ
Q: What is the function of this thermostat?
A: It regulates engine coolant flow to maintain optimal operating temperature, ensuring fast warm-up, stable engine performance and reduced emissions.
Q: What are the symptoms of a bad thermostat?
A: Engine overheating, slow warm-up or failure to reach operating temperature, unstable coolant temperature, and a stuck-open or stuck-closed thermostat.
Q: OEM or aftermarket?
A: High-quality aftermarket meeting OEM Equivalent Standard.
Q: What is the lead time?
A: In stock items ship within 3-5 days. Bulk orders may take 7-15 days depending on quantity.
Q: What payment methods do you accept?
A: We accept T/T (Telegraphic Transfer). Other payment methods may be available upon request for long-term cooperative buyers.
Q: Packaging options?
A: OEM, neutral, or custom packaging available.
About Guangzhou Qianchuan Machinery Parts Co., Ltd.
广州千川机械配件有限公司 — 13+ Years experience, 6500+ spare parts items, exported to over 200 countries. OEM & aftermarket parts for excavators, loaders, and forklifts. Specializing in Cat, Komatsu, Kubota, Sany, XCMG, Doosan, and more.
Contact us for wholesale pricing!
WhatsApp: +86 15360646166
Tim@partsforexcavator.com | www.partsforexcavator.com
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