Weichai WP12 Engine Camshaft Bush – OEM Quality Diesel Engine Cam Bearing for WP12 Series

Product Details

Product Overview

This high-quality WP12 Cam Bush is a precision-engineered component specifically designed for Weichai WP12 series diesel engines. As a critical part of the valve train system, this camshaft bearing ensures smooth camshaft rotation and precise valve timing. Our product is manufactured to OEM specifications and is available for global shipping to major markets including North America, Europe, Southeast Asia, the Middle East, and Africa. Ideal for heavy-duty trucks, construction machinery, and industrial equipment powered by Weichai WP12 engines.

Key Features & Benefits

• Premium Material: Manufactured from high-strength alloy steel with a specialized babbitt or copper-lead lining for superior wear resistance and load-bearing capacity.
• Precision Engineering: Machined to tight tolerances (±0.01mm) ensuring perfect fitment and optimal oil clearance for reliable camshaft operation.
• Enhanced Durability: Designed to withstand high cyclic loads and extreme operating temperatures, extending engine overhaul intervals.
• Direct Replacement: 100% interchangeable with original Weichai WP12 cam bush, requiring no modifications for installation.
• Quality Tested: Each bush undergoes rigorous dimensional, hardness, and surface finish inspection before shipment.

Technical Specifications

OEM Cross-Reference

This cam bush is a direct replacement for the following OEM part numbers:

• Weichai OEM: WP12-1002022, WP12-1002023
• Alternative Numbers: 612600080092, 612600080093
• Known Interchanges: Compatible with Weichai WP12 series engine blocks (cast iron)

Note: Please verify your specific engine block casting number for exact fitment.

Compatibility

This WP12 Cam Bush is specifically compatible with:

• Engine Models: Weichai WP12.375E40, WP12.430E40, WP12.460E40, WP12.480E40, WP12.500E40
• Vehicle Applications: Shaanxi Heavy-Duty Trucks (Delong F3000, X3000), Sinotruk HOWO (T7H), FAW J6, and other Chinese heavy-duty trucks using WP12 engines.
• Equipment: XCMG, SANY, Zoomlion construction machinery (excavators, loaders, cranes) powered by WP12 engines.
• Year Range: 2008-Present (WP12 series production)

Global Supply & Distribution

We maintain a robust global supply chain to ensure fast and reliable delivery to our B2B customers worldwide.

• Worldwide Shipping: We ship to all major continents via air (DHL, FedEx, UPS) and sea (FCL/LCL) freight.
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, Netherlands, UK, France, Italy), Asia-Pacific (Australia, Indonesia, Thailand, Vietnam), Middle East (UAE, Saudi Arabia, Qatar), Africa (South Africa, Nigeria, Kenya), and South America (Brazil, Chile, Peru).
• Fast Delivery: Stock items dispatched within 24-48 hours. Delivery to major ports (e.g., Rotterdam, Shanghai, Los Angeles, Dubai) typically within 7-15 days by sea, 3-7 days by air.
• Export Experience: Over 10 years of international trade, fully compliant with export documentation and customs clearance.

Quality Assurance

• Manufacturing Standards: ISO 9001:2015 certified production facility.
• Certifications: Products meet or exceed OEM quality standards.
• Warranty: 12 months from the date of shipment against manufacturing defects.
• Testing: 100% dimensional inspection, hardness testing, and surface roughness verification. Oil clearance is checked using a precision air gauge.

FAQ

Q1: How do I know if this WP12 cam bush fits my engine?
A: This bush is designed for Weichai WP12 engines. Please check your engine block casting number (usually located on the left side of the block) and compare it with the OEM part number WP12-1002022. If your engine uses a different cam bush size (e.g., WP10 or WP13), this part will not fit. Measure the camshaft journal diameter (should be 60mm) and the housing bore (65mm) to confirm.

Q2: What is the recommended installation procedure for this cam bush?
A: Installation should be performed by a qualified mechanic. Key steps: 1) Remove the old cam bush using a suitable puller. 2) Clean the housing bore thoroughly. 3) Apply clean engine oil to the bush outer surface. 4) Press the new bush into place using a press or specialized bushing driver, ensuring the oil holes align with the block oil galleries. 5) Check the camshaft rotation after installation – it should turn freely without binding. 6) Verify oil clearance using Plastigage (should be 0.05-0.10mm).

Q3: How often should the cam bush be replaced?
A: Cam bush wear is typically inspected during major engine overhauls, which for heavy-duty WP12 engines is usually every 500,000-800,000 km or 15,000-20,000 operating hours. Signs of wear include low oil pressure, unusual engine noise (tapping from the camshaft area), or visible scoring on the camshaft journals. Always replace cam bushes in sets (all journals) for even wear and proper oil clearance.