Beijing Silk Road Enterprise Management Services Co.,Ltd.
| Payment Terms | T/T, L/C, Western Union, PayPal |
| Supply Ability | 2000 Pieces per Month |
| Delivery Time | 3-7 Days |
| Packaging Details | Individual anti-rust packaging in export-grade carton with certification documentation |
| Part Name | Engine Thermostat |
| OEM Numbers | 4133L509, 4133L066 |
| Compatible Engines | 1103, 1104, 1104D-E44T, 1104D-E44TA, 1106D-E66TA |
| Application | Excavator Engine Cooling System |
| Condition | 100% New |
| Brand Name | ECER |
| Model Number | 4133L509 / 4133L066 |
| Place of Origin | China |
| Certification | ISO 9001:2015, CE |
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Product Specification
| Payment Terms | T/T, L/C, Western Union, PayPal | Supply Ability | 2000 Pieces per Month |
| Delivery Time | 3-7 Days | Packaging Details | Individual anti-rust packaging in export-grade carton with certification documentation |
| Part Name | Engine Thermostat | OEM Numbers | 4133L509, 4133L066 |
| Compatible Engines | 1103, 1104, 1104D-E44T, 1104D-E44TA, 1106D-E66TA | Application | Excavator Engine Cooling System |
| Condition | 100% New | Brand Name | ECER |
| Model Number | 4133L509 / 4133L066 | Place of Origin | China |
| Certification | ISO 9001:2015, CE | ||
| High Light | Multi-Model Engine Thermostat Certified ，ISO Certified Cooling System Part ，1103 1104 Diesel Engine Thermostat | ||
The Engine Thermostat 4133L509 / 4133L066 is an ISO 9001:2015 and CE certified cooling system component designed for 1103, 1104, and 1106 series diesel engines used in excavators. With multi-model compatibility, this thermostat ensures precise engine temperature regulation to prevent overheating and maintain optimal combustion efficiency across various machine applications.
| Part Name | Engine Thermostat |
| OEM Numbers | 4133L509, 4133L066 |
| Compatible Engines | 1103, 1104, 1104D-E44T, 1104D-E44TA, 1106D-E66TA |
| Application | Excavator Engine Cooling System |
| Certification | ISO 9001:2015, CE |
| Condition | 100% New |
A failing thermostat is one of the most common causes of excavator engine overheating and costly downtime. Operating outside the optimal temperature range leads to accelerated wear, reduced fuel efficiency, and potential head gasket failure. Our 4133L509 / 4133L066 thermostat is built to international certification standards for consistent, reliable performance across the full engine lifespan.
Each thermostat undergoes: opening temperature verification, full-stroke travel testing, leak-down inspection, and response time measurement. Certificate of conformity available upon request.
Individually packed in anti-corrosion packaging with certification labels, shipped in reinforced export-grade cartons for safe international delivery.
Contact us today for competitive pricing, certification documentation, or to discuss your excavator cooling system parts requirements.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller
Year Established:
2009
Employee Number:
150~180
Ecer Certification：
Verified Supplier
Beijing Silk Road Enterprise Management Services Co.,LTD is a professional company focus on Excavator Spare Parts business. Beijing Silk Road also will responsible with exporting and logistic business. We believe in the power of collaboration and teamwork. Our consultants work closely w... Beijing Silk Road Enterprise Management Services Co.,LTD is a professional company focus on Excavator Spare Parts business. Beijing Silk Road also will responsible with exporting and logistic business. We believe in the power of collaboration and teamwork. Our consultants work closely w...
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