ZH4105ZD Main Bearing And Connecting Rod Bearing Set for Weichai Engine Parts

Product Details

Product Overview

This precision-engineered set includes the main bearing and connecting rod bearing components specifically designed for the ZH4105ZD diesel engine model. Manufactured by, these bearings are critical for maintaining proper crankshaft and connecting rod clearances in heavy-duty applications. While commonly associated with Weichai engine platforms, these components are suitable for a variety of industrial, agricultural, and marine diesel engines that utilize the ZH4105ZD power unit.

Each bearing is manufactured to OEM size specifications, ensuring a direct replacement fit without modification. The set is ideal for engine rebuilds, overhauls, or preventive maintenance programs where bearing wear has been detected. With a 6-month warranty and full video outgoing inspection available, buyers can purchase with confidence for their construction, genset, or material handling equipment.

Key Features & Benefits

• OEM Size Precision: Manufactured to exact OEM dimensions for the ZH4105ZD engine, eliminating the need for line boring or custom fitting.
• Comprehensive Set: Includes both main bearings and connecting rod bearings in one package, simplifying procurement and ensuring matched components.
• Durable Construction: Designed for diesel engine loads and temperatures, providing long service life in demanding applications.
• Verified Quality: Each set undergoes outgoing inspection with video documentation available upon request.
• Wide Application Range: Suitable for construction, agriculture, marine, genset, and industrial handling equipment powered by ZH4105ZD engines.
• Global Compatibility: Standardized sizing allows use in various Weichai-based and compatible engine configurations.

Technical Specifications

OEM Cross-Reference

This bearing set is designed as a direct replacement for the following OEM and aftermarket references:

• Weichai OEM: ZH4105ZD Main Bearing Set, ZH4105ZD Connecting Rod Bearing Set
• Compatible Alternatives: HD-ZH4105ZD-BRG (factory reference)
• Industry Standards: Fits all standard ZH4105ZD engine configurations

Note: Cross-reference numbers are provided for identification purposes. Always verify your existing part numbers against the specifications before ordering.

Compatibility

This main and connecting rod bearing set is specifically designed for the ZH4105ZD diesel engine model. It is commonly used for the following applications:

• Engine Models: ZH4105ZD, compatible with Weichai 4105 series diesel engines
• Equipment Types: Construction machinery, agricultural tractors, industrial generators, marine propulsion systems, forklifts, and material handling equipment
• Vehicle Applications: Fits various Chinese-manufactured equipment brands using the ZH4105ZD power unit

Fitment is inferred based on engine model compatibility. Always confirm your specific engine serial number and bearing size requirements.

Global Supply & Distribution

maintains a robust global supply chain capable of shipping this bearing set to buyers worldwide. Key distribution capabilities include:

• Major Markets Served: North America (USA, Canada, Mexico), Europe (EU, UK, Eastern Europe), Asia-Pacific (Australia, Japan, Korea, Southeast Asia), Middle East (UAE, Saudi Arabia, Qatar), Africa (South Africa, Nigeria, Kenya), and South America (Brazil, Argentina, Chile)
• Shipping Options: Express courier (DHL, FedEx, UPS), air freight, and sea freight available
• Delivery Speed: Express delivery in 3-7 working days to major industrial centers; sea freight in 15-30 days for bulk orders
• Export Experience: Over 10 years of international trade, fully compliant with export documentation requirements

Quality Assurance

Every bearing set is manufactured under strict quality control procedures to ensure reliable performance in demanding diesel engine environments.

• Manufacturing Standards: Produced in ISO-compliant facilities in Guangdong, China
• Testing: Machinery test report provided with each order; outgoing video inspection available for verification
• Warranty: 6-month warranty against manufacturing defects
• Post-Sale Support: Online technical support available after warranty period
• Certification: Standard industrial quality certifications for engine bearing components

FAQ

Q1: How do I verify that these bearings will fit my specific engine?

Please check your engine model number against the ZH4105ZD specification listed above. These bearings are manufactured to OEM standard sizes for this specific engine model. For best results, remove your old bearings and compare the part numbers or physical dimensions (inner diameter, outer diameter, and width) with the specifications provided. If your engine has been previously rebored or reground, you may require undersized bearings, which are not included in this standard set.

Q2: What is the recommended installation procedure for these bearings?

Installation should be performed by a qualified diesel mechanic following the engine manufacturer’s service manual. Key steps include: cleaning the bearing saddles and journals thoroughly, applying clean engine oil to bearing surfaces, ensuring correct orientation of bearing shells (oil holes must align), and torquing main bearing caps and connecting rod bolts to factory specifications using a calibrated torque wrench. Always check bearing clearance using Plastigage or a micrometer before final assembly.

Q3: How often should main and connecting rod bearings be replaced?

Bearing replacement intervals depend on operating conditions, maintenance quality, and engine hours. In heavy-duty applications (construction, mining, marine), bearings should be inspected during every major overhaul or at 8,000-12,000 operating hours. Signs of bearing wear include low oil pressure, knocking noises from the engine, and metallic particles in the oil filter. Regular oil analysis can help predict bearing wear before failure occurs.