Product Overview

This high-quality Hino Diesel Pump Plunger (Model PT78) is a precision-engineered component designed for optimal fuel injection performance. Manufactured from premium high-speed steel, this plunger ensures durability and consistent operation in demanding diesel engine environments. With an OEM number of 134178-5220, it serves as a direct replacement for various models in the PT series, including PT20, PT22, PT25, PT27, PT77, and PT78. We ship globally to major industrial centers in North America, Europe, Asia-Pacific, and the Middle East, ensuring fast delivery to ports worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to standard size specifications with 100% professional testing for reliable fitment and performance.
• High-Speed Steel Construction: Offers superior wear resistance and longevity compared to standard materials, reducing replacement frequency.
• Versatile Compatibility: Works across multiple PT series models (PT20, PT22, PT25, PT27, PT77, PT78) for flexible inventory management.
• OEM Quality: Direct replacement for OEM number 134178-5220, ensuring seamless integration with original equipment.
• Cost-Effective Solution: Factory-direct pricing with a 1-year warranty and low MOQ of 6 pieces for economical procurement.

Technical Specifications

OEM Cross-Reference

• Primary OEM: 134178-5220
• Alternative Models: PT20, PT22, PT25, PT27, PT77, PT78
• Compatible Series: A Series Pump Plunger

Compatibility

• Vehicle Fitment: Diesel cars and light-duty commercial vehicles
• Engine Type: Hino diesel engines using PT series injection pumps
• Application: Fuel injection systems for diesel engines

Global Supply & Distribution

We offer worldwide shipping from any China port, with a robust supply chain capable of delivering 5000 pieces per month. Our distribution network covers:

• North America: Fast delivery to US and Canadian industrial hubs
• Europe: Regular shipments to major EU ports
• Asia-Pacific: Direct service to Japan, Korea, Australia, and Southeast Asia
• Middle East: Reliable delivery to UAE, Saudi Arabia, and Gulf states
• Standard Packaging: Polyester bag inner with paper carton outer, or custom packaging as per order
• Payment Options: TT, Western Union, PayPal for flexible transactions

Quality Assurance

• Manufacturing Standards: Produced in Shandong, China, with strict quality control processes
• Testing: 100% professional testing ensures each plunger meets OEM specifications
• Warranty: 1-year warranty against manufacturing defects
• Certification: Compliant with international trade standards for diesel engine components

FAQ

Q1: Will this PT78 plunger fit my Hino engine without modification?
Yes, this plunger is manufactured to standard size specifications and is a direct replacement for OEM number 134178-5220. It is compatible with Hino diesel engines using PT series injection pumps. Always verify your existing part number before ordering to ensure proper fitment.

Q2: How should I install this pump plunger for optimal performance?
Installation should be performed by a qualified technician. Ensure the plunger is clean and lubricated with diesel fuel before insertion. Follow manufacturer torque specifications for the pump housing. We recommend replacing the plunger and barrel as a matched set for best results. Avoid forcing the plunger during installation to prevent damage.

Q3: What is the expected lifespan of this plunger under normal operating conditions?
With proper installation and regular maintenance, this high-speed steel plunger can last 100,000-150,000 kilometers in typical diesel car applications. Lifespan may vary based on fuel quality, engine load, and maintenance practices. Use clean, high-quality diesel fuel and replace fuel filters regularly to maximize longevity.