Product Overview

This high-performance MTZ-80 Plunger & Delivery Valve Assembly (9.00mm) is a critical component for the fuel injection systems of Russian-made diesel engines, specifically designed for the MTZ-80 tractor series. Manufactured from premium-grade steel, this plunger set ensures precise fuel metering, enhanced combustion efficiency, and reliable cold starts. We serve a global B2B clientele, with major markets in Europe, Central Asia, North America, and the Middle East, offering expedited shipping to industrial hubs worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to OE standard tolerances (9.00mm diameter) for exact fitment and optimal fuel pressure generation.
• Durable Construction: Made from high-strength alloy steel, hardened to resist wear, corrosion, and thermal stress in continuous operation.
• Improved Performance: Ensures accurate fuel injection timing and volume, reducing fuel consumption and lowering exhaust emissions.
• Direct Replacement: Designed as a 1:1 replacement for the original MTZ-80 part, requiring no modifications.
• Extended Service Life: Superior surface finish reduces friction between the plunger and barrel, extending service intervals.

Technical Specifications

OEM Cross-Reference

This plunger assembly is a direct replacement for the following OEM and reference numbers:

• OE #: MTZ80 (Primary reference for Belarus tractors)
• Model Number: MT80
• Engine Code: MTZ (D-240 / D-243 series)

Note: Always verify the plunger diameter (9.00mm) and engine code before ordering to ensure compatibility.

Compatibility

• Engine Models: MTZ D-240, D-243, D-245 series diesel engines.
• Vehicle Applications: MTZ-80, MTZ-82, MTZ-100, MTZ-102 tractors; also compatible with Belarus 800/900 series utility tractors.
• Year Range: Suitable for models manufactured from the 1980s to present production lines using the mechanical injection pump system.

Global Supply & Distribution

As a specialized supplier of agricultural diesel engine parts, we offer worldwide shipping from our warehouse in Shandong, China. Our logistics network supports fast delivery to:

• North America: Los Angeles, Houston, Chicago, Toronto.
• Europe: Rotterdam, Hamburg, Antwerp, Moscow.
• Asia-Pacific: Singapore, Sydney, Dubai, Almaty.
• South America & Africa: Santos, Cape Town, Lagos.

We handle all export documentation and comply with international trade standards. Standard lead time is 3-25 working days, depending on order volume and destination.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001 certified facilities with strict process control.
• Testing: 100% dimensional inspection and pressure testing before packaging.
• Warranty: 12-month warranty against manufacturing defects in materials and workmanship.
• Packaging: Individually wrapped to prevent corrosion and damage during transit.

FAQ

Q: How do I confirm if this 9.00mm plunger fits my engine?
A: Check your engine’s model code (e.g., D-240) and measure the existing plunger diameter with a micrometer. This assembly is specifically for 9.00mm bores in MTZ series pumps. If your engine uses a different size (e.g., 9.5mm or 10mm), this part will not fit.

Q: Can I install just the plunger, or must I replace the delivery valve too?
A: We strongly recommend replacing both the plunger and delivery valve as a matched set. Worn delivery valves can cause fuel leakage and pressure loss, even with a new plunger. This assembly includes both components for optimal performance.

Q: What maintenance is required after installation?
A: After installation, bleed the fuel system to remove air pockets. Ensure the injection pump is correctly timed to the engine. Use clean, filtered diesel fuel and replace the fuel filter if necessary. A break-in period of 10 hours at light load is advised before full-throttle operation.