3TNM72 Piston With Pin 119025-22900 for Yanmar Engine Repair Parts

Product Details

Product Overview

This high-quality 3TNM72 piston assembly, complete with piston pin, is a critical replacement component for Yanmar industrial diesel engines. Engineered to OEM specifications, this piston (OEM No. 119025-22900 / YM119025-22900) ensures reliable compression and combustion efficiency for your machinery. It is commonly used in Yanmar 3TNM72 series engines powering a wide range of equipment.

As a direct-fit replacement, this piston assembly restores engine performance and extends service life. Whether for scheduled maintenance or emergency repairs, this component is essential for maintaining the operational integrity of your Yanmar-powered equipment. Manufactured to strict quality standards, it offers a dependable solution for engine overhaul projects.

Key Features & Benefits

• OEM Specification: Manufactured to match original Yanmar dimensions (OEM 119025-22900), ensuring a precise fit and reliable performance in 3TNM72 engines.
• Complete Assembly: Includes the piston and piston pin, simplifying procurement and reducing the need for separate sourcing.
• Durable Construction: Built from high-grade materials designed to withstand the thermal and mechanical stresses of diesel combustion, promoting long service intervals.
• Engine Performance: Restores proper compression and reduces blow-by, helping to maintain fuel efficiency and power output in your equipment.
• Versatile Application: Suitable for a broad range of Yanmar 3TNM72 engine applications, from construction and agriculture to marine and generator sets.
• Quality Tested: Each piston undergoes inspection to ensure dimensional accuracy and material integrity, providing confidence in your repair.
• Cost-Effective Solution: Offers a high-quality aftermarket alternative to genuine parts without compromising on fit or function.

Technical Specifications

OEM Cross-Reference

This piston assembly is a direct replacement for the following original Yanmar part numbers:

• 119025-22900 (Yanmar)
• YM119025-22900 (Yanmar)

Please verify your engine’s serial number and existing part number to ensure compatibility. If you have an alternative OEM number, please contact our sales team for cross-reference assistance.

Compatibility

This piston is specifically designed for the Yanmar 3TNM72 diesel engine. This engine platform is commonly used for powering the following types of equipment:

• Mini Excavators
• Agricultural Tractors & Tillers
• Generator Sets (Gensets)
• Industrial Pumps & Compressors
• Marine Auxiliary Engines
• Material Handling Equipment (Forklifts)

Note: While this part is manufactured to OEM specifications for the 3TNM72 engine, we recommend consulting your machine’s service manual to confirm component fitment for your specific model year and equipment brand.

Global Supply & Distribution

We serve a global network of B2B clients, including workshops, parts distributors, and fleet operators. Our logistics network ensures fast and reliable delivery to major industrial centers worldwide.

• North America: Fast shipping to the USA, Canada, and Mexico via air and sea freight.
• Europe: Efficient distribution to the EU, UK, and Eastern Europe.
• Asia-Pacific: Rapid delivery to Japan, South Korea, Australia, and Southeast Asian markets.
• Middle East & Africa: Reliable shipping to UAE, Saudi Arabia, South Africa, and key ports.
• South America: Regular exports to Brazil, Argentina, and Chile.

We handle all export documentation and compliance, ensuring smooth customs clearance. OEM service and customized packing are available for bulk orders.

Quality Assurance

Our manufacturing process adheres to strict quality control protocols to ensure product reliability.

• Manufacturing Standards: Parts are produced in ISO-certified facilities, utilizing precision casting and machining processes.
• Testing: A Machinery Test Report is provided with each shipment, verifying dimensional and material specifications.
• Warranty: This product is backed by a 6-month warranty against manufacturing defects, giving you peace of mind for your engine repair.
• Inspection: Each batch undergoes outgoing inspection to verify critical parameters like pin bore diameter and overall height.

FAQ

Q: How can I confirm this piston fits my Yanmar 3TNM72 engine?
A: First, verify that your engine model is 3TNM72, which is typically stamped on the engine nameplate. Next, check the current piston part number. If it is 119025-22900, this part is a direct replacement. If you are unsure, please provide us with your engine serial number, and our technical team can assist with verification.

Q: Does this piston come with rings and a pin?
A: This listing includes the piston and the piston pin. It does not include piston rings. We recommend ordering the corresponding piston rings (often sold separately) for a complete engine rebuild. Please check your service manual for the correct ring set part number.

Q: What is the recommended installation procedure?
A: Installation should be performed by a qualified diesel mechanic. Key steps include: cleaning the cylinder bore, lubricating the piston and rings, using a proper ring compressor, and ensuring the connecting rod is correctly aligned. Always replace the piston pin and retainers with new parts. Torque all fasteners to the manufacturer’s specifications as outlined in your engine’s service manual.