Mechanical Engine Oil Pump 331-8905 for Caterpillar (卡特彼勒) Excavator 330C, 336D, C9 Engine, and Bulldozer D7R


Ensure the longevity and performance of your heavy machinery with our high-quality Mechanical Engine Oil Pump 331-8905. Specifically designed for Caterpillar (卡特彼勒) equipment, this oil pump is a vital component for maintaining optimal engine lubrication and preventing costly downtime.
Product Overview
This mechanical engine oil pump is engineered to meet or exceed OEM specifications, guaranteeing reliable performance and a perfect fit for your Caterpillar (卡特彼勒) machines. The 331-8905 oil pump is compatible with a range of Caterpillar (卡特彼勒) models, including:
Caterpillar (卡特彼勒) Excavator 330C
Caterpillar (卡特彼勒) Excavator 336D
Caterpillar (卡特彼勒) C9 Engine
Caterpillar (卡特彼勒) Bulldozer D7R
Features and Benefits
Direct Replacement: Designed as a direct replacement for Caterpillar (卡特彼勒) part number 331-8905, ensuring easy installation.
Superior Quality: Manufactured with high-grade materials for maximum durability and extended service life.
Optimal Performance: Provides consistent oil pressure for effective engine lubrication, reducing wear and tear.
Wide Compatibility: Suitable for various Caterpillar (卡特彼勒) models, enhancing versatility.
Guangzhou Pinxin Engine Co., Ltd. (广州品信发动机有限公司) - Your Trusted Partner for Caterpillar (卡特彼勒) Engine Parts
Guangzhou Pinxin Engine Co., Ltd. (广州品信发动机有限公司) is a leading provider specializing in Caterpillar (卡特彼勒) diesel engine assemblies and parts. With years of experience in the industry, we are committed to delivering high-quality, reliable components to keep your Caterpillar (卡特彼勒) equipment running smoothly. Our extensive inventory covers a wide range of Caterpillar (卡特彼勒) engine models, including:
C4.2, C4.4, C6.4, C7, C7.1, C9, C9.3
C13, C15, C18
3306, 3406, 3408, 3512, 3516
We offer a comprehensive selection of Caterpillar (卡特彼勒) engine parts to meet all your maintenance and repair needs. Trust Guangzhou Pinxin Engine Co., Ltd. (广州品信发动机有限公司) for quality and performance.
Caterpillar (卡特彼勒) Engine Parts - 名词解释 (Glossary)
To help you better understand your Caterpillar (卡特彼勒) engine, here are explanations of common parts:
活塞 (Piston)
Location: Cylinder Block
Description: A cylindrical component that moves up and down within the cylinder bore, driven by combustion pressure. It transmits force to the crankshaft via the connecting rod.
Example: Caterpillar (卡特彼勒) C9 Engine 活塞 (Piston) - Part Number: 284-4717
气门导管 (Valve Guide)
Location: Cylinder Head
Description: A cylindrical bushing pressed into the cylinder head to guide the intake and exhaust valves, ensuring proper valve movement and sealing.
Example: Caterpillar (卡特彼勒) C7 Engine 气门导管 (Valve Guide) - Part Number: 222-2780
曲轴 (Crankshaft)
Location: Engine Block
Description: A rotating shaft with journals and crankpins, converting the linear motion of the pistons into rotational motion to drive the engine's accessories and output power.
Example: Caterpillar (卡特彼勒) 3406 Engine 曲轴 (Crankshaft) - Part Number: 4W5487
凸轮轴 (Camshaft)
Location: Cylinder Head or Engine Block
Description: A rotating shaft with lobes that control the opening and closing of the engine's intake and exhaust valves in synchronization with piston movement.
Example: Caterpillar (卡特彼勒) C15 Engine 凸轮轴 (Camshaft) - Part Number: 340-8411
连杆 (Connecting Rod)
Location: Connecting Piston and Crankshaft
Description: A rigid link connecting the piston to the crankshaft, transmitting the reciprocating motion of the piston to the rotating crankshaft.
Example: Caterpillar (卡特彼勒) C9.3 Engine 连杆 (Connecting Rod) - Part Number: 386-3224
缸套 (Cylinder Liner)
Location: Cylinder Block
Description: A replaceable cylindrical sleeve fitted into the cylinder block, forming the cylinder bore for the piston to move within. It provides a wear-resistant surface.
Example: Caterpillar (卡特彼勒) C6.4 Engine 缸套 (Cylinder Liner) - Part Number: 309-0675
气门座圈 (Valve Seat)
Location: Cylinder Head
Description: A hardened insert pressed into the cylinder head where the valves seat, providing a durable sealing surface for the valves.
Example: Caterpillar (卡特彼勒) C7.1 Engine 气门座圈 (Valve Seat) - Part Number: 358-7879
喷油器 (Fuel Injector)
Location: Cylinder Head
Description: A precision device that delivers fuel into the engine's combustion chamber at high pressure and in a finely atomized spray for efficient combustion.
Example: Caterpillar (卡特彼勒) C18 Engine 喷油器 (Fuel Injector) - Part Number: 538-6695
水泵 (Water Pump)
Location: Front of Engine Block
Description: A pump that circulates coolant throughout the engine and radiator to regulate engine temperature and prevent overheating.
Example: Caterpillar (卡特彼勒) 3306 Engine 水泵 (Water Pump) - Part Number: 4N3258
机油滤清器 (Oil Filter)
Location: Engine Block, usually external
Description: A filter that removes contaminants from the engine oil, ensuring clean oil circulates to lubricate engine components and extend engine life.
Example: Caterpillar (卡特彼勒) C9 Engine 机油滤清器 (Oil Filter) - Part Number: 1R-0739
Common Knowledge about Caterpillar (卡特彼勒) Engines
Q: What are the common causes of overheating in Caterpillar (卡特彼勒) engines?
A: Overheating in Caterpillar (卡特彼勒) engines can be caused by several factors, including a faulty water pump, a clogged radiator, low coolant levels, a malfunctioning thermostat, or issues with the cooling fan. Regular maintenance and inspection of the cooling system are crucial to prevent overheating.
Q: How often should I change the engine oil in my Caterpillar (卡特彼勒) diesel engine?
A: The engine oil change interval for Caterpillar (卡特彼勒) diesel engines varies depending on the engine model and operating conditions. However, as a general guideline, it is recommended to change the engine oil and oil filter every 250 to 500 hours of operation. Always refer to your Caterpillar (卡特彼勒) engine's operation and maintenance manual for specific recommendations.
Q: What type of fuel should I use in my Caterpillar (卡特彼勒) diesel engine?
A: Caterpillar (卡特彼勒) diesel engines are designed to run on high-quality diesel fuel that meets or exceeds industry standards. Always use fuel that is clean and free from contaminants. Refer to your Caterpillar (卡特彼勒) engine's operation manual for the recommended fuel specifications for your particular model.
Our Business - Guangzhou Pinxin Engine Co., Ltd. (广州品信发动机有限公司)
At Guangzhou Pinxin Engine Co., Ltd. (广州品信发动机有限公司), we are dedicated to providing our customers with top-notch Caterpillar (卡特彼勒) diesel engine solutions. Beyond parts, we offer:
Caterpillar (卡特彼勒) Diesel Engine Assemblies: Supply complete Caterpillar (卡特彼勒) engine assemblies, ensuring optimal performance and reliability for your machinery.
Comprehensive Parts Inventory: A wide array of Caterpillar (卡特彼勒) engine parts, from oil pumps to filters, pistons to cylinder liners, and more.
Expert Support: Our knowledgeable team is here to assist you in finding the right parts and engines for your specific Caterpillar (卡特彼勒) equipment.
We strive to be your reliable partner in maintaining the power and efficiency of your Caterpillar (卡特彼勒) machinery.
Caterpillar (卡特彼勒) Equipment Troubleshooting Tip
Fault: Low Oil Pressure in Caterpillar (卡特彼勒) C9 Engine
Problem Description: A common issue in Caterpillar (卡特彼勒) C9 engines is low oil pressure, which can lead to serious engine damage if not addressed promptly.
Possible Causes:
Faulty Oil Pressure Sensor: An inaccurate sensor may give a false low-pressure reading.
Clogged Oil Filter: A blocked oil filter restricts oil flow, reducing pressure.
Worn Oil Pump: An aging oil pump may not generate sufficient pressure.
Internal Engine Leakage: Excessive wear in bearings or other components can cause internal oil leaks, dropping pressure.
Solution:
Check Oil Level and Condition: Ensure the oil level is adequate and the oil is not contaminated or degraded.
Inspect Oil Filter: Replace the oil filter with a new Caterpillar (卡特彼勒) genuine filter (1R-0739 for C9 engine as example).
Test Oil Pressure Sensor: Use a mechanical gauge to verify the actual oil pressure, bypassing the sensor to check for sensor malfunction.
Examine Oil Pump: If other causes are ruled out, inspect or replace the oil pump (331-8905 for compatible models).
Engine Internal Inspection: If low pressure persists, internal engine inspection may be necessary to identify and rectify leaks or wear in bearings and other critical parts.
Note: Always consult the Caterpillar (卡特彼勒) service manual and employ qualified technicians for diagnosis and repair.
由广数供应链(CGSC)团队提供运营方案 www.ar-webbuild.com
<!--!doctype-->