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Product Details
Product Overview
This high-quality Valve Guide is specifically designed for the Weichai WP6G125E201 diesel engine, a leading model in China’s heavy-duty engine lineup. As a critical component in the valve train, this guide ensures precise valve stem alignment, reducing wear and maintaining optimal engine compression. Our products are manufactured to meet or exceed OEM standards, supporting global shipping to major industrial markets including North America, Europe, Southeast Asia, and the Middle East. Ideal for B2B buyers seeking reliable aftermarket parts for construction machinery, agricultural equipment, and industrial generators, this valve guide offers a direct replacement solution for fleet maintenance and engine overhauls.
Key Features & Benefits
Precision Engineering: Manufactured from high-strength, wear-resistant cast iron to withstand extreme temperatures and high cyclic loads.
Enhanced Durability: Features a hardened inner bore surface to minimize friction and extend service life by up to 30% compared to standard guides.
OEM Compatibility: Designed as a direct replacement for the original Weichai part, ensuring a perfect fit without modification.
Consistent Performance: Maintains tight clearance tolerances to prevent oil consumption and reduce exhaust emissions.
Cost-Effective Solution: Offers a premium aftermarket alternative at a competitive price point, reducing total cost of ownership for fleet operators.
Technical Specifications
Specification
Details
Part Name
Valve Guide
Engine Model
WP6G125E201
Brand
Weichai
Material
High-Grade Cast Iron (HT250 equivalent)
Inner Diameter
8.0 mm (Standard)
Outer Diameter
14.0 mm
Length
65.0 mm
Hardness
HRC 45-50 (Bore)
Application
Intake & Exhaust Valve
OEM Cross-Reference
This valve guide is a direct replacement for the following OEM part numbers:
Weichai Original: 13030123-XXXX (Contact for exact suffix)
Alternative Reference: Compatible with WP6G series engine rebuild kits (Part # WP6G-VG-001)
Note: Always verify your existing part number before ordering to ensure compatibility.
Construction Machinery: XCMG Loaders, Shantui Bulldozers
Agricultural Tractors: Lovol, YTO
Industrial Generators: Weichai-powered gensets
Year Ranges: 2010-Present (Common in Tier 2/3 emission engines)
Global Supply & Distribution
We provide worldwide shipping with reliable logistics partners to ensure fast delivery to key industrial centers:
North America: Houston, Los Angeles, Chicago (5-7 business days)
Europe: Rotterdam, Hamburg, Antwerp (7-10 business days)
Asia-Pacific: Singapore, Shanghai, Dubai (3-5 business days)
Middle East & Africa: Jebel Ali, Durban (7-14 business days)
Our export team handles all international trade documentation, including certificates of origin and customs clearance support for hassle-free procurement.
Quality Assurance
Manufacturing Standards: Produced in ISO 9001:2015 certified facilities with strict dimensional control.
Testing: 100% inspected for inner diameter tolerance, surface finish, and material hardness before shipment.
Warranty: 12-month warranty against manufacturing defects under normal operating conditions.
Certifications: Compliant with RoHS and REACH regulations for global trade.
FAQ
Q1: Is this valve guide a direct fit for my Weichai WP6G125E201 engine? A: Yes, this part is designed as a direct OEM replacement. However, we recommend checking your existing part number (stamped on the guide) to confirm compatibility, as minor variations may exist in different production batches.
Q2: What installation precautions should I take? A: Ensure the cylinder head is clean and free of debris. Use a valve guide driver tool to press the guide into the head, avoiding hammering directly on the guide. After installation, check the valve stem-to-guide clearance (standard: 0.03-0.07 mm) and ream if necessary. Always replace valve stem seals simultaneously for best results.
Q3: How do I maintain these valve guides for extended engine life? A: Use high-quality engine oil with proper viscosity (SAE 15W-40 recommended for WP6G). Regularly check valve clearance every 500 hours of operation. If you notice increased oil consumption or blue smoke from the exhaust, inspect the guides and seals for wear. Replace in sets (all intake and exhaust guides) to ensure balanced performance.
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