Yanmar 4D94 4D94E 4D94LE Flywheel Gear Assembly 129930-21590 | Engine Repair Parts

Product Details

Product Overview

This high-quality Flywheel Gear Assembly, referencing OEM part numbers 129930-21590 and YM129930-21590, is specifically engineered for the Yanmar 4D94, 4D94E, and 4D94LE diesel engine series. As a critical component in the engine’s starting and timing system, this gear assembly ensures reliable engagement and smooth power transfer. We serve a global B2B clientele, with consistent shipments to major industrial hubs across North America, Europe, Asia-Pacific, and the Middle East.

Key Features & Benefits

• Precision Engineering: Manufactured to meet or exceed OEM specifications, ensuring a perfect fit and seamless integration with your Yanmar engine.
• Enhanced Durability: Constructed from high-grade alloy steel, providing superior wear resistance and a long service life under heavy operational loads.
• Reliable Performance: Rigorously tested for dimensional accuracy and tooth strength to prevent slippage and ensure consistent engine starting.
• Cost-Effective Solution: A direct replacement for the original part, offering a reliable alternative to expensive dealer parts without compromising on quality.

Technical Specifications

OEM Cross-Reference

This assembly is a direct replacement for the following genuine OEM part numbers:

• 129930-21590
• YM129930-21590

Compatibility

This flywheel gear assembly is specifically compatible with the following Yanmar industrial diesel engine models:

• Yanmar 4D94
• Yanmar 4D94E
• Yanmar 4D94LE

These engines are commonly found in excavators, compact loaders, agricultural tractors, and other heavy equipment.

Global Supply & Distribution

We operate a streamlined global logistics network to ensure fast and reliable delivery to our B2B partners. Our key markets include:

• North America: Serving the USA, Canada, and Mexico with expedited shipping to major industrial zones.
• Europe: Quick delivery to Germany, the UK, France, and the Netherlands.
• Asia-Pacific: Strong presence in Australia, Japan, and Southeast Asia.
• Middle East & Africa: Reliable shipping to UAE, Saudi Arabia, and South Africa.

We offer flexible shipping options via sea, air, and express courier to meet your project deadlines.

Quality Assurance

Every Flywheel Gear Assembly undergoes a strict quality control process before shipment. We adhere to international manufacturing standards (ISO 9001) to ensure product reliability. All parts come with a standard 12-month warranty against manufacturing defects, providing you with peace of mind for your repair project.

FAQ

Q1: Will this part fit my Yanmar 4D94E engine in my excavator?
A: Yes, this flywheel gear assembly (129930-21590) is designed as a direct replacement for the 4D94, 4D94E, and 4D94LE engine models. Please verify your engine model and existing part number to confirm compatibility before ordering.

Q2: Is professional installation required for this part?
A: Yes, we strongly recommend installation by a qualified diesel mechanic. Replacing a flywheel gear involves precise alignment and torque specifications. Incorrect installation can lead to engine starting issues or damage to the starter motor.

Q3: What is the typical shipping time to a port in Germany?
A: For standard sea freight, delivery to major European ports like Hamburg typically takes 20-30 days from the date of shipment. For air freight or express courier services, delivery can be expected within 5-10 business days.