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Part Name: Water Temp Sensor
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Part No: RE537637
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Applicable Models: RE537637
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Delivery Options : Express freight / Standard (sea) Freight
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Condition/Options: New/ OEM replacement / Genuine original
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Warranty : 6 months
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MOQ : 1 Piece
Global Sourcing Solution: High-Quality Caterpillar Excavator Chassis Harnesses for 349D2 and More - October 1, 2025
Custom Development Services for Caterpillar and Beyond
Beyond our stocked inventory, Growshine International (格莳国际) offers comprehensive custom development and manufacturing for various spare parts, including complex components like the chassis harness, engine wiring harness, fuel injector harness, and battery cables. If your project requires a specific version of a CAT chassis line or a brand-new design for any engineering machinery, heavy-duty truck, agricultural machinery, or auto part, our expert team can develop and supply high-quality alternatives, ensuring perfect fit and function for even the rarest parts.
Sourcing Reliable Caterpillar Wire Harnesses: Your Go-To for Aftermarket Excellence
In the demanding world of construction and mining, maintaining equipment like the Caterpillar 349D2 EXCAVATOR requires reliable, high-quality spare parts without the excessive OEM price tag. Growshine International (格莳国际) is your trusted partner for sourcing these essential components. We specialize in the import and export of engineering machinery accessories, heavy truck components, agricultural machinery parts, and auto accessories. Our featured product, the HARNESS AS-CHASSIS with part number 503-0793 (also 5030793), is a critical part of the 336-6171 BATTERY & WIRING GP, essential for the optimal operation of S/N GAX1-UP models.
We are dedicated to providing alternatives that meet or exceed industry standards, ensuring your downtime is minimized. Whether you need a CAT chassis line, an engine harness assembly, or a simple battery cable, our inventory covers a wide range of models including Caterpillar 336D, 329D, 374D, and 320D. Our focus is on parts that fit seamlessly into your maintenance strategy, offering the perfect blend of quality and value. We’ve become a key resource for businesses seeking a reliable China aftermarket parts supplier.
Comprehensive Inventory of CAT Chassis and Engine Wiring
Our extensive portfolio includes various Caterpillar wire harnesses critical for different excavator models. For instance, the CAT 349D2 and 349D2L frequently require chassis harnesses like 459-8933 (4598933) and 459-8931 (4598931). For the widely used CAT 336D, we stock the chassis harness 306-8797 (3068797) and 342-3063 (3423063). Models like the 320D and 323D utilize harnesses such as 306-8610 (3068610) and 366-9315 (3669315).
Beyond the main chassis wiring, we supply crucial engine components. The Caterpillar C15 and C18 engines often use the wiring harness 239-5929 (2395929). We also provide specialized parts like the C7 fuel injector harness 222-5917, which connects the electronic control unit to the injectors—a common wear item. Our goal is to be your single-source provider for all your replacement wire harness, sensor wire, and battery cable needs. We focus on high-demand, long-tail products such as heavy-duty truck engine sensors, excavator hydraulic pump seals, and tractor transmission filters.
Featured Product Spotlight and Special Promotion
We're currently featuring a special promotion on high-demand electrical components. If you are looking for DENSO RELAYS , we have stock of part numbers 156700-1840, 156700-2190, 156700-3250, and 156700-2770. These relays are vital for various vehicle electrical systems. Click Here to Get These DENSO Relays at a Promotional Price!
Key Parts Glossary and Applications
- Fuel Injector Harness: This wiring assembly connects the engine's ECU to the injectors, which precisely deliver fuel. (Example: Caterpillar 336D Fuel Injector Harness - Кабель форсунки Caterpillar 336D - 卡特彼勒 336D 喷油器线束)
- Solenoid Valve: An electromechanical device used in the hydraulic system to control the flow of fluid. Found in the main control valve bank. (Example: Komatsu PC200-8 Solenoid Valve - Электромагнитный клапан Komatsu PC200-8 - 小松 PC200-8 电磁阀)
- Turbocharger: A turbine-driven forced induction device that increases an internal combustion engine's power by forcing extra air into the combustion chamber. Mounted on the engine's exhaust manifold. (Example: Volvo D13 Turbocharger - Турбонагнетатель Volvo D13 - 沃尔沃 D13 涡轮增压器)
- Steering Gearbox: A mechanical component that converts the rotational motion of the steering wheel into the linear motion required to turn the wheels. Located in the steering system of the front axle. (Example: Freightliner Cascadia Steering Gearbox - Рулевой редуктор Freightliner Cascadia - 福莱纳 Cascadia 转向器)
- Water Pump: Circulates coolant from the radiator through the engine block to prevent overheating. Located at the front of the engine block. (Example: John Deere 8430 Water Pump - Водяной насос John Deere 8430 - 约翰迪尔 8430 水泵)
- Brake Caliper: The assembly that houses the brake pads and pistons in a disk brake system. Mounted on the wheel hub. (Example: Toyota Camry Brake Caliper - Тормозной суппорт Toyota Camry - 丰田凯美瑞 刹车卡钳)
- Track Roller: Supports the weight of the excavator and guides the track chain. Located along the undercarriage frame. (Example: Hitachi EX200-5 Track Roller - Каток опорный Hitachi EX200-5 - 日立 EX200-5 支重轮)
- EGR Valve (Exhaust Gas Recirculation): Reduces nitrogen oxide emissions by feeding a portion of exhaust gas back into the engine cylinders. Installed on the exhaust manifold or intake manifold. (Example: Cummins ISX EGR Valve - Клапан EGR Cummins ISX - 康明斯 ISX EGR 阀)
- Hydraulic Cylinder Seal Kit: A collection of rings and seals used to prevent fluid leakage and maintain pressure in a hydraulic cylinder. Found in the boom, stick, and bucket cylinders. (Example: Doosan DX300LC Seal Kit - Комплект уплотнений Doosan DX300LC - 斗山 DX300LC 油缸密封件)
- Alternator: Generates electrical power to charge the battery and run the vehicle's electrical systems. Mounted on the engine and belt-driven. (Example: Ford F-150 Alternator - Генератор Ford F-150 - 福特 F-150 发电机)
Growshine International: Your Import & Export Specialist
As Growshine International (格莳国际), we simplify the global supply chain for all your heavy equipment needs. Our core business is the import and export trade of a comprehensive range of spares, including engineering machinery accessories, heavy truck parts, agricultural machinery components, and auto spare parts. We are proficient in sourcing and shipping high-demand, specialized products such as Caterpillar wiring harness kits, heavy-duty truck air brake systems, combine harvester blades, diesel engine repair kits, hydraulic pump components, excavator travel motors, tractor engine gaskets, truck transmission gears, and OEM-alternative auto sensors.
We are experts at providing cost-effective alternatives for expensive OEM parts, focusing on quality control and logistics efficiency. If you are struggling with a complex electrical issue, remember that failure of a wire harness like the Caterpillar 336D2L Chassis Harness 488-1927 (4881927) often manifests as intermittent sensor faults or complete machine shutdown. The fix often involves a detailed inspection for chafing or corrosion and a full replacement with a tested unit. We provide the quality parts, such as the CAT 320D undercarriage parts and heavy truck steering linkages, to keep your fleet running efficiently. Visit our websites to learn more: ar-excel.com, ampleresiliencesoft.com, cgsc66.com, cgsc-equip.com, en.xinsheng2024.com, and hi-part.cn.
Caterpillar Wiring Harnesses and Related Parts Inventory
| No. | Brand and Component (English) | 品牌与配件 (中文) | Part Number(s) |
|---|---|---|---|
| 1 | Caterpillar Chassis Harness | 卡特底盘线束 | 503-0793, 5030793 |
| 2 | Caterpillar Engine Wiring Harness | 卡特发动机线束 | 259-4887, 2594887 |
| 3 | Caterpillar Engine Wiring Harness (C15/C18) | 卡特发动机线束 | 239-5929, 2395929, 354-0049, 3540049 |
| 4 | Caterpillar Chassis Harness (330C) | 卡特底盘线束 | 251-0140, 2510140 |
| 5 | Caterpillar Chassis Harness (323D2L) | 卡特底盘线束 | 437-2529, 4372529 |
| 6 | Caterpillar Chassis Harness (336D/340DL) | 卡特底盘线束 | 306-8797, 3068797, 342-3063, 3423063 |
| 7 | Caterpillar Chassis Harness (349D2L) | 卡特底盘线束 | 459-8933, 4598933 |
| 8 | Caterpillar Fuel Injector Harness/Cylinder Wire | 卡特喷油器线束/缸线 | 419-0841, 4190841, 215-3249, 2153249 |
| 9 | Caterpillar Test Harness/Diagnostic/Communication Cable | 卡特测试线束/诊断线/通讯线 | 457-6114, 4576114, 327-8981, 3278981 |
| 10 | Caterpillar Battery Cable | 卡特电瓶线 | 170-6929, 1706929 |
| 11 | Caterpillar Chassis Harness (374D/365C) | 卡特底盘线束 | 239-5929, 2395929 |
| 12 | Caterpillar Chassis Harness (349D2/349D2L) | 卡特底盘线束 | 459-8931, 4598931 |
| 13 | Caterpillar Harness Assembly (320D) | 卡特线束总成 | 291-7590, 2917590 |
| 14 | Caterpillar Chassis Harness (336D2L) | 卡特底盘线束 | 488-1927, 4881927 |
| 15 | Caterpillar Chassis Harness (336D2L) | 卡特底盘线束 | 465-6190, 4656190 |
| 16 | Caterpillar Chassis Harness (320D) | 卡特底盘线束 | 306-8610, 3068610 |
| 17 | Caterpillar Chassis Harness (320D/323D) | 卡特底盘线束 | 366-9315, 3669315, 306-8777, 3068777 |
| 18 | Caterpillar Fuel Injector Harness (C7) | 卡特C7喷油器线束 | 222-5917, 2225917 |
| 19 | Caterpillar Chassis Harness (313D2) | 卡特底盘线束 | 464-3039, 4643039 |
| 20 | Caterpillar Chassis Harness (336D2) | 卡特底盘线束 | 479-6991, 4796991 |
| 21 | Caterpillar Chassis Harness (329D2/330D2) | 卡特底盘线束 | 478-6249, 4786249 |
| 22 | Caterpillar Chassis Harness (330D2) | 卡特底盘线束 | 499-3919, 4993919 |
| 23 | Caterpillar Cab Harness | 卡特驾驶室线束 | 559-0170, 5590170, 388-6805, 3886805 |
| 24 | Caterpillar Display Monitor Harness | 卡特显示器线束 | N/A |
| 25 | Caterpillar Chassis Harness (323D2L) | 卡特底盘线束 | 488-9252, 4889252 |
| 26 | Caterpillar Upper Chassis Harness (330D2) | 卡特上车架线束 | 499-3921, 4993921 |
For inquiries, pricing, and orders on any of these high-quality Caterpillar replacement parts, please email us directly:
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