HITACHI Gasket / Seal Kit – Product Overview
Gaskets and seal kits are essential for preventing fluid and gas leaks between engine and machine components. They ensure proper sealing of combustion pressure, coolant, oil, and hydraulic fluid, maintaining system integrity and preventing contamination.
Applications
This Gasket / Seal Kit is designed for HITACHI construction equipment and industrial engines. It is compatible with a wide range of machine models and engine configurations. The component is manufactured to meet or exceed original equipment specifications for reliable performance in demanding operating conditions.
Compatible OEM Part Numbers
We supply the following comprehensive list of HITACHI Gasket / Seal Kit part numbers. These part numbers cover various machine models, engine configurations, and design revisions:
- Primary Part Number: 4074008 Seal Dust
- Also Available: 4100180 O-ring
- Also Available: 449558 Seal Washer
- Also Available: Dust Seal 4074008H
- Also Available: O-ring 4100180
- Also Available: O-ring 4399100
- Also Available: Oil Seal 4688650
If your specific part number is not listed, please contact our sales team with your machine model and serial number. We can source most part numbers with short lead times.
Technical Specifications
- Product Type: Gasket / Seal Kit / O-Ring
- Material: Multi-layer steel / Rubber / Silicone / Copper / Fiber
- Quality: OEM specification or premium aftermarket
Installation Guide
- Ensure the machine is on level ground, engine off, and all systems are safely depressurized before starting work.
- Clean the area around the component thoroughly to prevent contamination during removal and installation.
- Refer to the manufacturer service manual for the specific removal and installation procedure.
- Use proper tools and lifting equipment as specified in the service manual.
- Replace all gaskets, seals, and O-rings with new ones during installation.
- Tighten all fasteners to the manufacturer’s specified torque values using a calibrated torque wrench.
- After installation, check for proper operation and leaks before returning the machine to service.
- Perform a test run at low speed and gradually increase to normal operating speed.
Price Range
$5 – $350 USD per kit (depending on application)
Volume discounts are available for fleet operators and repair shops. Contact our sales team for a firm quote based on your specific part number and quantity requirements.
Maintenance Tips
- Always clean mating surfaces thoroughly before installing new gaskets.
- Use the correct torque sequence and specifications when tightening.
- Apply thread locker where specified by the manufacturer.
- Replace seals whenever a component is disassembled.
- Store gaskets flat in a clean, dry environment.
Warranty
All products supplied by us are covered by a 12-month warranty against manufacturing defects in materials and workmanship. The warranty covers replacement or repair at our discretion. Proper installation by a qualified technician and adherence to the recommended maintenance schedule are required for warranty validity.
Shipping and Delivery
In-stock items ship within 24-48 hours via express freight (DHL, FedEx, or UPS). Standard delivery time is 5-10 business days worldwide. Expedited shipping options are available upon request. All shipments are fully insured and include tracking information.
Why Choose Our Products?
- Direct OEM replacement with guaranteed fitment and performance
- Rigorous quality testing before shipment
- Competitive pricing with factory-direct supply chain
- Technical support available for installation and troubleshooting
- Proven reliability with thousands of units supplied worldwide
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