8M21 Diesel Engine Cylinder Head Gasket | OEM Size | Heavy Equipment & Marine Parts

Product Overview

This high-quality 8M21 Cylinder Head Gasket is a precision-engineered replacement part specifically designed for Mitsubishi diesel engines. Manufactured to OEM size specifications, this gasket ensures a perfect seal between the engine block and cylinder head, preventing coolant and compression leaks. Ideal for a wide range of heavy-duty applications including construction, industrial, agricultural, marine, and generator set engines, this component is a critical part of your engine’s top-end overhaul kit. We supply this part globally to workshops, distributors, and OEM service centers across North America, Europe, Asia-Pacific, and the Middle East.

Key Features & Benefits

• OEM Specification: Manufactured to the exact dimensions and material specifications as the original Mitsubishi part, ensuring a direct fit and reliable performance.
• Superior Sealing: Engineered to withstand high compression and extreme temperatures, providing a leak-proof seal for extended engine life.
• Durable Construction: Built with high-grade materials resistant to corrosion, heat, and pressure, reducing the risk of gasket failure.
• Rigorous Testing: Each gasket undergoes strict quality control checks, including a machinery test report, to guarantee reliability before shipment.
• Versatile Application: Compatible with a broad range of machinery, from excavators and loaders to marine engines and power generators.

Technical Specifications

OEM Cross-Reference

This cylinder head gasket is a direct replacement for the following OEM part numbers. Please verify your original part number for compatibility:

• Mitsubishi OEM: 8-98023-526-0, 98023-5260
• Alternative Reference: 8M21-01-110

Note: If your specific OEM number is not listed, please contact us with your engine serial number for cross-referencing.

Compatibility

This gasket is specifically designed for the Mitsubishi 8M21 diesel engine. Common applications include:

• Construction Equipment: Excavators, Bulldozers, Wheel Loaders
• Industrial Machinery: Forklifts, Compactors, Generators
• Agricultural Equipment: Tractors, Harvesters
• Marine Engines: Propulsion systems and auxiliary power units
• Power Generation: Gensets and standby power units

Global Supply & Distribution

We are a leading supplier of Mitsubishi engine parts with a robust global logistics network. We offer:

• Worldwide Shipping: Reliable delivery to all major continents via air, sea, and express courier.
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, France), Asia-Pacific (Japan, Australia, Singapore, Indonesia), Middle East (UAE, Saudi Arabia, Qatar), and Africa (South Africa, Nigeria).
• Fast Delivery: Efficient processing and shipping to major ports like Shanghai, Rotterdam, Los Angeles, and Jebel Ali, as well as direct delivery to industrial centers.
• Export Expertise: Experienced in international trade documentation and customs clearance, ensuring smooth transactions for B2B buyers.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities using advanced manufacturing processes.
• Testing: A machinery test report and video outgoing inspection are provided to verify product integrity before shipment.
• Warranty: All parts come with a 6-month warranty against manufacturing defects, giving you peace of mind.
• Traceability: Each gasket is traceable to its production batch for quality control purposes.

FAQ

Q1: How do I confirm this 8M21 head gasket fits my specific engine?
A: Please check the engine model number stamped on your engine block. This gasket is specifically for the Mitsubishi 8M21 series. For absolute certainty, compare your old gasket’s dimensions (thickness and bore size) or provide your engine serial number to our technical support team.

Q2: What is the recommended installation procedure for this gasket?
A: Ensure both the cylinder head and engine block surfaces are clean, flat, and free of old gasket material. Do not apply any additional sealant unless specified by the engine manufacturer. Follow the Mitsubishi service manual for the correct tightening sequence and torque specifications (usually a multi-step torque-to-yield process). Always replace head bolts when installing a new gasket.

Q3: What is the typical lifespan of this cylinder head gasket?
A: The lifespan depends on operating conditions, maintenance, and engine load. Under normal operating conditions, this high-quality gasket can last as long as the original OEM part, often exceeding 5,000 to 8,000 hours of operation in heavy equipment. Regular coolant changes and avoiding engine overheating are critical to maximizing gasket life.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .