J08C Crankshaft Oil Seal Front Rear for Hino Engines – Replacement

Product Details

Product Overview

This high-quality J08C Crankshaft Oil Seal, available in both front and rear configurations, is a direct replacement part designed specifically for Hino diesel engines. Manufactured under the brand, this seal is engineered to meet or exceed OEM specifications, providing a reliable solution to prevent oil leakage from the crankshaft housing.

Ideal for use in construction, industrial, agricultural, genset, marine, and material handling equipment, this oil seal is a critical component for maintaining engine lubrication integrity. The part is commonly used in applications powered by the Hino J08C engine model and is supplied in OEM size for a precise fit.

Key Features & Benefits

• Precision Fit: Manufactured to exact OEM dimensions for the Hino J08C engine, ensuring a tight, leak-free seal on both front and rear crankshaft positions.
• Durable Material: Constructed from high-grade rubber and metal materials to withstand high rotational speeds, heat, and oil pressure, extending service life.
• Leak Prevention: Specifically designed to prevent engine oil from escaping past the crankshaft, protecting belts, clutches, and the environment from oil contamination.
• OEM Standard: Produced under strict quality control as a direct replacement for genuine Hino parts, offering a cost-effective alternative without sacrificing reliability.
• Versatile Application: Suitable for a wide range of heavy machinery including excavators, loaders, trucks, generators, and marine engines powered by the J08C diesel engine.
• Easy Installation: Standard design allows for straightforward installation using conventional tools, reducing downtime during engine overhaul or repair.

Technical Specifications

OEM Cross-Reference

This crankshaft oil seal is designed as a direct replacement for the following original equipment manufacturer numbers. Please verify your existing part number for compatibility.

• Hino OEM: 8-98023-526-0
• Hino OEM (Alternate): 98023-5260
• Hino OEM (Front): 8-98023-525-0 (if applicable)
• Hino OEM (Rear): 8-98023-526-0 (confirmed)

Note: This list is based on common cross-references for the J08C engine. Always compare your original part with the dimensions provided.

Compatibility

This J08C crankshaft oil seal is commonly used for the following engine and vehicle applications. Fitment is inferred based on engine model data.

• Engine: Hino J08C (Direct Injection Diesel)
• Vehicle Applications: Hino Ranger, Hino Profia, Hino Super Dolphin (select models with J08C engine)
• Equipment Applications: Excavators, Loaders, Forklifts, Generators, Marine Engines, Agricultural Tractors (powered by J08C)

Please verify your specific engine serial number and original seal dimensions before purchase.

Global Supply & Distribution

We offer worldwide shipping to support international B2B buyers. Our distribution network ensures fast and reliable delivery to major industrial centers and ports across the globe.

• Markets Served: North America, Europe, Southeast Asia, Middle East, Africa, Oceania, and South America.
• Shipping: Express (DHL, FedEx, UPS), Air Freight, and Sea Freight available. Bulk orders are delivered directly to your port or warehouse.
• Export Experience: We are experienced in international trade documentation, customs clearance, and compliance with export regulations.
• Lead Times: Stock items ship within 24-48 hours. Large volume orders are coordinated with our logistics team for optimal transit times.

Quality Assurance

Every crankshaft oil seal is manufactured in an ISO-certified facility in Guangdong, China. We adhere to strict quality control procedures to ensure each part meets the rigorous demands of heavy-duty diesel engines.

• Manufacturing Standards: Produced under ISO 9001 quality management systems.
• Testing: Each batch undergoes dimensional inspection, material hardness testing, and visual inspection. Video outgoing inspection and machinery test reports are available upon request.
• Warranty: Backed by a 6-month warranty against manufacturing defects. After-warranty service is supported online.
• OEM Service: We offer OEM/ODM services for custom packaging and branding requirements for qualified partners.

FAQ

Q1: How do I identify the correct front vs. rear crankshaft oil seal for my J08C engine?

The front seal is typically located behind the crankshaft pulley (harmonic balancer) and is usually smaller in diameter. The rear seal is located at the back of the crankshaft, inside the flywheel housing, and is larger. This listing includes both options; please confirm your original part number (e.g., 8-98023-526-0 for rear) to ensure correct selection. Measuring the inner and outer diameter of your old seal is the most reliable method.

Q2: What is the installation procedure for this oil seal?

Installation should be performed by a qualified mechanic. Clean the seal housing thoroughly and lubricate the seal lip with clean engine oil. Use a seal driver or a socket of the correct diameter to press the seal evenly into the bore. Never hammer directly on the seal face. Ensure the sealing lip faces the engine oil (inward) and the spring side faces the outside. Avoid scratching the crankshaft surface during installation.

Q3: How can I prevent premature failure of the new oil seal?

Premature failure is often caused by a damaged crankshaft surface (grooves or burrs), improper installation (misalignment), or excessive crankcase pressure. Before installing a new seal, inspect the crankshaft contact surface for wear. If a groove is present, consider using a speedi-sleeve. Also, ensure the crankcase ventilation (PCV) system is working correctly to prevent pressure buildup that can push oil past the new seal.