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Compatible Models: All Caterpillar bulldozer models
432-2074 Connector: High-strength metal structure, original factory standard interface, pressure resistant and leak-proof, vibration resistant and anti-loosening, smooth oil passage
432-2087 Oil Cooler: High-efficiency heat dissipation core, large heat exchange area, flow rate matches original factory parameters, resistant to high temperature and pressure
Quality Standards: Complies with Caterpillar original factory design and testing specifications, passes reliability tests such as vibration, pressure, sealing, and thermal shock.
The 432-2074 coupling and 432-2087 oil cooler are core components of the Caterpillar bulldozer’s lubrication and cooling system. Strictly adhering to Caterpillar’s original equipment manufacturing standards and fluid design requirements, they are specifically designed for the heavy-duty, high-temperature, high-dust, and high-vibration operating conditions of bulldozers. Working together, they achieve oil cooling, oil temperature control, and stable oil circuit connection, effectively controlling the operating temperature of the engine and transmission system. This prevents power loss, component wear, and equipment downtime caused by excessively high oil temperatures, oil deterioration, and connection leaks. They are the preferred original equipment manufacturer (OEM) parts for the maintenance, repair, and overhaul of Caterpillar bulldozer cooling and lubrication systems, and are widely applicable to harsh environments such as mining, infrastructure construction, earthmoving, and continuous heavy-duty operations.
The 432-2074 coupling, as a key connecting component in the bulldozer’s oil cooling circuit, undertakes the functions of oil circuit connection, leak-proof sealing, and stable fluid transmission, ensuring efficient oil circulation between the cooler and the engine. The connector is precision-molded from high-strength metal, boasting high structural strength, impact resistance, vibration resistance, and anti-loosening properties, capable of withstanding long-term oil circuit pressure and equipment vibration. Its smooth internal flow channels result in low pressure drop and stable flow, ensuring no impact on oil circulation efficiency. The interface dimensions and sealing structure perfectly match original factory standards, ensuring precise fit and strong sealing, effectively preventing oil circuit leaks and air intake. It seamlessly interfaces with the 432-2087 oil cooler, with precise installation positioning, forming a safe and reliable oil circuit circulation path, providing a fundamental guarantee for the stable operation of the cooling system.
The 432-2087 oil cooler, as a core component for bulldozer oil cooling, rapidly dissipates excess heat from the oil through a highly efficient heat exchange structure, maintaining the oil temperature within its optimal operating range. The cooler features a high-density heat dissipation core design with a large heat exchange area and high heat dissipation efficiency, rapidly reducing the temperature of high-temperature engine oil and protecting its viscosity and lubrication performance. The core and shell structure are robust, pressure-resistant, clog-proof, and corrosion-resistant, capable of withstanding long-term continuous operation and harsh environments. The flow channel design conforms to original equipment manufacturer (OEM) fluid parameters, ensuring optimal flow matching and pressure drop, closely matching the cooling requirements of the engine and transmission system. Used with the 432-2074 connector, it achieves integrated “connection + cooling + sealing,” significantly improving the overall thermal management capabilities and reliability of the machine.
Both parts are manufactured according to Caterpillar’s original equipment manufacturer (OEM) quality standards, passing rigorous tests for pressure resistance, temperature resistance, vibration resistance, leak prevention, and durability. Their stable and reliable performance allows for direct replacement of OEM parts without modification or adjustment, significantly reducing maintenance time and downtime costs. Whether for routine maintenance, oil system inspections, or major system overhauls, the CAT 432-2074 connector and 432-2087 oil cooler provide stable compatibility with Caterpillar bulldozer lubrication and cooling systems, improving equipment reliability and lifespan, reducing operating and maintenance costs, and are suitable for all corresponding Caterpillar bulldozer models.
Compatible Models: All Caterpillar bulldozer models
432-2074 Connector: High-strength metal structure, original factory standard interface, pressure resistant and leak-proof, vibration resistant and anti-loosening, smooth oil passage
432-2087 Oil Cooler: High-efficiency heat dissipation core, large heat exchange area, flow rate matches original factory parameters, resistant to high temperature and pressure
Quality Standards: Complies with Caterpillar original factory design and testing specifications, passes reliability tests such as vibration, pressure, sealing, and thermal shock.
Precisely matches original factory specifications, direct installation without modification; efficient and stable heat dissipation, more precise oil temperature control; strong and reliable connection, eliminating oil leakage; robust, vibration-resistant, and pressure-resistant material, adaptable to harsh working conditions; convenient and efficient installation, reducing downtime; effectively protects the lubrication system and extends component life.
8T-2287 Mirror
577-1442 Harness As
512-6385 Camera
488-9163 Camera
578-3266 Harness As
124-2120 Coupling
124-2151 Coupling
8Y-4000Latch
277-4877 Pawl
382-4475 SWITCH-STARTER
369-4098 SWITCH-ISOLATOR
153-5710 BATTERY
564-1190 SWITCH – DUAL POLE STARTER (YELLOW)
564-1189 SWITCH – DUAL POLE BATTERY (RED)
590-4195 ACTUATOR-LADDER HINGE
577-8941 Pump Gp – Electric
3E-5239 Relay As
543-3038 CONTROL-ACTUATOR
450-1624 ACTUATOR-LADDER HINGE
454-7795 STEP
571-3853 Ripper Lift Cylinder
571-3990 Ripper Shank Cylinder
2V-0447 Bearing-Sleeve
3E-6758 Seal-Lip Type
388-4327 Cover-Dust (Fast Fuel)
471-8198 RECEIVER-FAST FUEL
578-2002 Harness As
3E-8575 VALVE GP – SOLENOID (PIN PULLER)
3T-8459 BEARING-SLEEVE
3E-6756 Seal-Pin
432-2086 Coupling
4T-1422 Bearing-Sleeve
6E-3113 cylinder
124-2158 Coupling