WP6G175E201 Intake & Exhaust Valve Seat Insert

WP6G175E201 intake and exhaust valve seat insert is a critical wear-resistant component for the cylinder head of Weichai WP6G175E201 diesel engines. It is widely installed on 4-ton and 5-ton wheel loaders, road rollers, motor graders and other construction machinery. As the sealing fitting base for intake and exhaust valves, valve seats endure continuous high-temperature gas erosion, frequent valve impact and thermal cycling shock during operation. They directly affect engine air tightness, power output and emission standards.
Low-cost ordinary valve seats have poor high-temperature resistance and insufficient hardness. Under heavy-duty working conditions, they are prone to cracking, deep wear pits, air leakage, power loss, higher fuel consumption and abnormal exhaust noise. Severe damage will destroy the cylinder head and bring expensive maintenance costs. Our WP6G175E201 valve seat inserts are made of high chromium molybdenum alloy via powder metallurgy integrated molding. After high-temperature densification heat treatment, they own uniform surface hardness, excellent high-temperature resistance, impact resistance, oxidation resistance and longer service life. Manufactured strictly according to OEM drawings and assembly tolerances, they form tight interference fit after cold pressing without air leakage. Perfect for harsh working environments such as mines, earthworks and infrastructure projects, they are high-cost-performance replacement parts for global machinery repair shops and spare parts wholesalers.

• Part Number: WP6G175E201
• Product Name: Intake Valve Seat Insert, Exhaust Valve Seat Insert
• Compatible Engine: Weichai WP6G175E201 construction machinery diesel engine
• Applicable Equipment: Wheel loader, road roller, motor grader, small mining machinery
• Raw Material: High chromium molybdenum wear-resistant alloy powder metallurgy
• Production Process: Powder compression molding, high-temperature sintering, precision grinding, stress relief heat treatment, anti-rust passivation
• Main Performance: Resist temperature above 850℃, anti-high frequency impact, anti-wear, anti-oxidation, stable sealing performance
• Installation Advantage: OEM standard size, standard interference fit, no cylinder boring modification required, direct OEM replacement
• Practical Value: Reduce engine air leakage, cut fuel consumption, extend cylinder head service life and lower downtime maintenance frequency

• MOQ: 1 set (4 intake + 4 exhaust) is acceptable. Sample orders, small restock orders and full container bulk orders are all supported, suitable for overseas repair shops, distributors and equipment leasing companies.
• Export Packaging: Standard neutral export package. Each insert is wrapped with anti-rust oil paper and separated by foam to avoid collision, packed into inner boxes and thick 5-layer export cartons. Custom color boxes with customer logos, English manuals and OEM labeling services are available. Moisture-proof and rust-proof design fits long-distance sea, air and land transportation.
• Lead Time: 1-3 working days for in-stock goods; 3-5 working days for small orders within 500 sets; 7-15 working days for full container bulk orders. Priority production for urgent maintenance orders.
• Certifications: ISO9001 quality management system certified. 100% full inspection before shipment, including dimension accuracy test, hardness test, high-temperature impact test and sealing adaptability test to reject defective products.
• Payment Terms: T/T, L/C, , PayPal and other widely used secure international payment methods.
• Warranty: 12 months factory warranty. Free replacement for quality defects suchs as cracking and abnormal wear under standard installation and normal working conditions (excluding man-made damage).
• Supply Capacity: Sufficient permanent stock and stable monthly output. Long-term supply for overseas bulk orders and OEM supporting orders for construction machinery.

HES Co., Ltd is a company specializing in engineering machinery parts and Sinotruk Shacman truck components. Over the years since its establishment, the company has maintained excellent collaborations with multiple manufacturers such as XCMG, SDLG, Sinotruk, and Shacman. Adhering to the principles of "Quality First, Customer Supremacy, Credibility, and Win-Win Cooperation," we are committed to sincerely cooperating with all clients and pursuing mutual development.