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Product Details
Product Overview
This high-quality valve seat is specifically designed for the Mitsubishi S4F diesel engine, a popular and robust power unit used across a wide range of industrial applications. Identified by OEM part numbers 36704-00421 and 36704-01621, this component is critical for maintaining proper engine compression and valve sealing.
Manufactured to OEM size specifications, this valve seat ensures a precise fit and reliable performance in demanding environments. It is a direct replacement part commonly used in construction machinery, agricultural equipment, generator sets, marine vessels, and material handling vehicles powered by the Mitsubishi S4F engine.
As a key component of the cylinder head assembly, this valve seat is engineered to withstand high temperatures and pressures, providing long service life and reducing the need for frequent maintenance. It is an essential part for any engine overhaul or repair project.
Key Features & Benefits
Precise OEM Fitment: Manufactured to the exact OEM size (36704-00421 / 36704-01621) for a seamless replacement on Mitsubishi S4F engines, eliminating the need for modifications.
Superior Material Composition: Constructed from high-grade, wear-resistant materials to withstand extreme combustion temperatures and pressures, ensuring long-term durability.
Enhanced Valve Seal: Precision-machined seating surface provides an optimal seal, improving engine compression, reducing blow-by, and enhancing fuel efficiency.
Rigorous Quality Control: Each valve seat undergoes strict dimensional and material inspections to guarantee consistent quality and reliable performance in the field.
Versatile Application: Ideal for a broad range of heavy-duty applications including construction, agriculture, power generation, and marine sectors where Mitsubishi S4F engines are deployed.
Cost-Effective Solution: Offers a high-performance alternative to genuine OEM parts without compromising on quality, helping to manage maintenance budgets effectively.
Technical Specifications
Specification
Details
Part Number
36704-00421 / 36704-01621
Engine Model
Mitsubishi S4F
Part Type
Valve Seat
Engine Type
Diesel
Size
OEM Standard Size
Material
High-Grade Alloy Steel
Weight
Approx. 1 kg (per set)
Warranty
6 Months Defects Liability Period
Place of Origin
Guangdong, China
Packaging
Plastic Bag, Box, Carton
OEM Cross-Reference
This valve seat is a direct replacement for the following original equipment manufacturer (OEM) part numbers:
Mitsubishi: 36704-00421
Mitsubishi: 36704-01621
These cross-references are provided for identification purposes. Always verify your engine’s specific requirements before ordering.
Compatibility
This valve seat is specifically designed for the Mitsubishi S4F diesel engine. It is commonly used for maintenance and repair in the following equipment types:
Construction Machinery: Excavators, Bulldozers, Loaders
Marine Applications: Small to medium-sized vessels
Material Handling: Cranes, Reach Stackers
Global Supply & Distribution
We offer worldwide shipping to meet the demands of international B2B buyers. Our logistics network ensures fast and reliable delivery to major industrial centers and ports across the globe.
Major Markets Served: North America, Europe, Southeast Asia, Middle East, Africa, and Oceania.
Shipping Options: Express (DHL, FedEx, UPS), Air Freight, and Sea Freight available based on order volume and urgency.
Ports of Export: All shipments originate from our warehouse in Guangdong, China, with efficient customs clearance procedures.
Trade Compliance: We adhere to international trade standards and can provide necessary documentation for smooth importation.
Quality Assurance
We are committed to providing high-quality engine components that meet or exceed industry standards.
Manufacturing Standards: Products are manufactured in ISO-certified facilities with strict quality control processes.
Inspection: Each batch undergoes a Machinery Test Report and Video Outgoing Inspection to verify dimensions and material integrity.
Warranty: This product comes with a 6-month defects liability period, covering manufacturing defects under normal operating conditions.
Traceability: All parts are traceable back to their production batch for quality assurance and accountability.
FAQ
Q1: How do I confirm this valve seat fits my specific Mitsubishi S4F engine? A: Please verify your existing part number. This valve seat is a direct replacement for OEM numbers 36704-00421 and 36704-01621. We recommend cross-referencing these numbers with your engine’s service manual or the part you are removing. If you are unsure, contact our technical support team with your engine serial number for confirmation.
Q2: Is professional installation required for this valve seat? A: Yes, valve seat installation is a precision task that requires specialized tools and expertise. We strongly recommend having this component installed by a certified diesel mechanic or machine shop. Proper installation is critical for ensuring correct valve clearance, seating, and overall engine performance. Incorrect installation can lead to engine damage.
Q3: What maintenance is recommended after installing new valve seats? A: After installation, it is essential to perform a valve clearance adjustment according to the Mitsubishi S4F engine specifications. During the first 50 hours of operation, monitor engine performance and listen for any unusual noises. Regular inspections of the valve train during scheduled maintenance intervals will help ensure long service life. Always use high-quality engine oil and filters.
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