Send OEM number, quantity, destination, or photos. We will reply with quotation, lead time, and fitment notes.
Fitment checkOEM number, engine model, and machine model confirmation.
Manual quotePrice, MOQ, stock, lead time, and replacement options.
Export supportPacking notes, mixed order support, and shipping details.
Product Details
Product Overview
We are a professional supplier of heavy-duty diesel engine components, specializing in Mitsubishi 6D17 series engines. This premium valve seat, with OEM part numbers ME071553 and ME071649, is manufactured to exacting tolerances for reliable performance in demanding industrial and construction applications. Our products are shipped globally, serving major markets including North America, Europe, Southeast Asia, the Middle East, and Australia. We maintain a substantial inventory to ensure fast and dependable delivery to ports and industrial centers worldwide.
Key Features & Benefits
Premium Material: Constructed from high-grade heat-resistant alloy steel, ensuring exceptional durability and resistance to wear and thermal fatigue under high-temperature combustion conditions.
Precision Fit: Machined to OEM specifications (ME071553 / ME071649) for a perfect, leak-proof seal, ensuring optimal compression and engine performance.
Enhanced Engine Life: Reduces valve recession and maintains consistent valve clearance, extending the service life of the cylinder head and overall engine.
Rigorous Testing: Each valve seat undergoes strict quality control checks, including hardness testing and dimensional inspection, to guarantee reliability in the field.
Technical Specifications
Specification
Detail
Part Name
Valve Seat (Intake/Exhaust)
OEM Part Number
ME071553 / ME071649
Engine Model
Mitsubishi 6D17
Material
High-Temperature Alloy Steel
Hardness (HRC)
45-50
Surface Finish
Ground to Ra 0.8
Warranty
12 Months
OEM Cross-Reference
This valve seat is a direct replacement for the following Mitsubishi OEM part numbers:
ME071553
ME071649
Note: These part numbers are specific to the 6D17 engine. Please verify your existing part number before ordering to ensure correct fitment.
Compatibility
Engine Model: Mitsubishi 6D17 (6-cylinder, direct injection diesel engine)
Common Applications: Excavators, Bulldozers, Wheel Loaders, and other heavy construction machinery.
Vehicle/Equipment Examples: Mitsubishi MS180, MS240, BD2G, BD3 series dozers; various Mitsubishi forklift models.
Global Supply & Distribution
Worldwide Shipping: We offer reliable shipping via air, sea, and express couriers (DHL, FedEx, UPS, TNT) to any destination.
Major Markets: North America, Europe, Southeast Asia, Middle East, Africa, and South America.
Fast Delivery: Standard lead times of 3-7 days for in-stock items. Expedited shipping available for urgent orders.
Export Expertise: Experienced in international trade documentation, customs clearance, and compliance with local import regulations.
Quality Assurance
Manufacturing Standards: Produced in an ISO 9001:2015 certified facility, ensuring consistent quality control.
Testing: 100% inspected for dimensional accuracy, material hardness, and surface finish before packaging.
Warranty: All parts are backed by a 12-month warranty against manufacturing defects.
FAQ
Q1: Are ME071553 and ME071649 the same part, or are they for intake/exhaust positions? A: These part numbers are often used interchangeably for both intake and exhaust valve seats on the 6D17 engine. However, we recommend verifying by comparing the outside diameter (OD) and thickness of your original part. We can provide exact dimensions upon request to confirm fitment.
Q2: What is the recommended installation procedure for these valve seats? A: Installation should be performed by a qualified diesel mechanic. The cylinder head must be thoroughly cleaned and the valve seat bore inspected for damage. The seat is typically installed using a press fit or by heating the cylinder head and cooling the seat (shrink fit). After installation, a valve seat cutter or grinding stone is required to ensure a perfect sealing angle with the new valve.
Q3: How do I maintain the valve seats for maximum engine life? A: Regular valve clearance adjustments are critical to prevent the valve from pounding the seat. Use high-quality diesel fuel and engine oil to minimize carbon buildup and wear. During major overhauls, always replace valve guides and seals along with the valve seats to ensure a complete and reliable repair.
Inquiry Form
Send Inquiry
Leave your email and phone / WhatsApp so sales can follow up directly.