Full Gasket Kit YM721450-03310 for Komatsu 3D72 Yanmar 3T72 PC05 PC07 Mini Excavator Engine

Product Details

Product Overview

This comprehensive Full Gasket Kit, identified by OEM part number YM721450-03310, is designed for the overhaul of Komatsu 3D72 and Yanmar 3T72 diesel engines. It is a critical component set for maintaining the performance and sealing integrity of these popular power units found in compact construction machinery.

Specifically engineered for mini excavator models such as the Komatsu PC05 and PC07, this gasket set includes all necessary sealing components for a complete engine rebuild. It is commonly used for restoring compression, preventing oil and coolant leaks, and ensuring the engine operates at peak efficiency after a top-end or full overhaul.

As a direct replacement for the original Yanmar/Komatsu part, this kit is manufactured to meet or exceed OEM specifications, providing a reliable solution for equipment owners and service workshops worldwide.

Key Features & Benefits

• Complete Overhaul Set: Includes every gasket and seal required for a full engine rebuild on the 3D72/3T72 engine, eliminating the need to source individual components.
• OEM Reference Match: Directly replaces part number YM721450-03310, ensuring a precise fit for Komatsu and Yanmar applications without modification.
• High-Quality Materials: Manufactured from durable, heat-resistant materials designed to withstand the high pressures and temperatures of diesel engine operation, ensuring long service life.
• Restored Engine Performance: Effectively seals all critical engine joints, restoring compression, reducing blow-by, and preventing fluid leaks for optimal engine efficiency.
• Cost-Effective Solution: Provides a significant cost saving compared to purchasing individual OEM gaskets, making it an economical choice for routine maintenance or major repairs.
• Application-Specific Design: Engineered specifically for the 3D72 and 3T72 diesel engines, guaranteeing correct dimensions and sealing properties for these models.

Technical Specifications

OEM Cross-Reference

This gasket kit is a direct replacement for the following original equipment manufacturer (OEM) part numbers:

• Yanmar / Komatsu: YM721450-03310

Note: This part is designed as a direct aftermarket replacement. Please verify your engine model and existing part number for compatibility.

Compatibility

This Full Gasket Kit is commonly used for the following engine and equipment applications:

• Engine Models: Komatsu 3D72, Yanmar 3T72
• Excavator Models: Komatsu PC05, Komatsu PC07
• General Application: Mini excavators, compact utility loaders, and other small construction or agricultural machinery powered by the 3D72 or 3T72 engine.

Fitment is inferred based on standard engine-to-equipment pairings. Always verify physical dimensions and engine model stamping before installation.

Global Supply & Distribution

We specialize in the global distribution of high-quality engine parts for construction and industrial machinery. Our logistics network supports efficient worldwide shipping to major markets, including:

• North America: Fast delivery to ports and industrial hubs in the USA, Canada, and Mexico.
• Europe: Reliable shipping to key centers in Germany, the UK, France, the Netherlands, and beyond.
• Asia-Pacific: Direct supply to Australia, Japan, South Korea, and Southeast Asian markets.
• Middle East & Africa: Servicing major ports and industrial zones with competitive transit times.

We offer various shipping options (air, sea, express) to meet your project timelines and budget requirements. Our export experience ensures smooth customs clearance and trade compliance for international orders.

Quality Assurance

Our gasket kits are manufactured in facilities that adhere to strict quality control standards. Each component is inspected to ensure it meets precise dimensional and material specifications.

• Manufacturing Standards: Produced under ISO-compliant processes with rigorous in-process and final inspections.
• Testing: Machinery test reports and video outgoing inspections are available upon request to verify product quality before shipment.
• Warranty: Standard warranty policies apply against manufacturing defects. Please consult our sales team for specific warranty terms for your region.

FAQ

Q: Will this gasket kit fit my Komatsu PC05 excavator with a 3D72 engine?
A: Yes, this kit (part YM721450-03310) is specifically designed for the Komatsu 3D72 engine, which is standard power for the PC05 and PC07 mini excavators. We recommend verifying your engine model number stamped on the engine block to ensure a perfect match.

Q: What is included in this full gasket set? Does it include head bolts or seals?
A: This is a comprehensive overhaul gasket set. It typically includes all major gaskets (cylinder head, intake/exhaust manifold, oil pan, valve cover) and seals (crankshaft seals, valve stem seals). It does not typically include head bolts or other reusable hardware. Please check the contents upon delivery for your specific kit.

Q: What is the recommended procedure for installing this gasket set?
A: Installation should be performed by a qualified diesel mechanic. Key steps include thoroughly cleaning all mating surfaces, applying thread sealant to specified bolts, and tightening all fasteners to the manufacturer’s torque specifications. A service manual for the 3D72/3T72 engine is highly recommended for precise torque values and sequence.