Yanmar 4TNV88 / 4TNE88 / 4TNV84 / 4TNE84 Rocker Arm Assembly 129004-11650

Product Details

Product Overview

This high-quality Rocker Arm Assembly, OEM number 129004-11650, is a direct replacement part designed specifically for Yanmar industrial diesel engines. Manufactured to meet or exceed OEM specifications, this component ensures precise valve actuation for optimal engine performance and longevity. Ideal for global B2B buyers, we offer competitive wholesale pricing, reliable stock availability, and fast international shipping to major industrial markets including North America, Europe, Asia-Pacific, and the Middle East.

Key Features & Benefits

• Precision Engineering: Manufactured to strict tolerances for accurate valve timing and smooth rocker arm motion.
• Durable Construction: Made from high-strength, wear-resistant materials to withstand the high-stress environment of a diesel engine cylinder head.
• Direct Fitment: A bolt-on replacement for the original Yanmar part, requiring no modifications for installation.
• Enhanced Engine Performance: Restores proper valve lift and timing, improving combustion efficiency, power output, and fuel economy.
• Reduced Downtime: Reliable OEM-grade quality minimizes the risk of premature failure, ensuring your equipment stays operational.

Technical Specifications

OEM Cross-Reference

This rocker arm assembly is a direct replacement for the following Yanmar OEM part numbers:

• 129004-11650

Please verify your existing part number against this list before purchasing to ensure correct fitment.

Compatibility

This rocker arm assembly is specifically designed for the following Yanmar industrial diesel engine models:

• 4TNV88 Series
• 4TNE88 Series
• 4TNV84 Series
• 4TNE84 Series

These engines are commonly found in a wide range of equipment including compact excavators, generators, agricultural tractors, forklifts, and other industrial machinery manufactured by Yanmar and its OEM partners.

Global Supply & Distribution

We are a leading global supplier of aftermarket engine components, committed to providing fast and reliable delivery to B2B customers worldwide.

• Worldwide Shipping: We ship to all major continents via air, sea, and express courier (DHL, FedEx, UPS, TNT).
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, France, Italy), Asia-Pacific (Japan, Australia, South Korea, Singapore), Middle East (UAE, Saudi Arabia, Qatar), and South America (Brazil, Chile).
• Fast Delivery: Stock items are dispatched within 24-48 hours, with delivery to major ports and industrial hubs in 5-15 working days.
• Export Expertise: Our team has extensive experience in international trade and customs compliance, ensuring a smooth and hassle-free transaction for our partners.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001 certified facilities, adhering to strict quality control processes.
• Testing: Each rocker arm assembly undergoes rigorous inspection for dimensional accuracy, material hardness, and surface finish to ensure reliable performance.
• Warranty: We offer a comprehensive 12-month warranty against manufacturing defects, providing you with peace of mind.

FAQ

Q1: Is this rocker arm assembly a direct replacement for the OEM part 129004-11650?
A: Yes, this part is engineered to be a direct, bolt-on replacement for the Yanmar OEM part number 129004-11650. It matches the original specifications for a perfect fit and reliable function.

Q2: What are the common symptoms of a worn rocker arm assembly on a 4TNV88 engine?
A: Common signs include a ticking or tapping noise from the valve cover area, reduced engine power, poor fuel economy, and in severe cases, engine misfiring. Replacing a worn rocker arm assembly is crucial to restore proper valve timing and prevent damage to the valve train.

Q3: Do I need to adjust the valve clearance after installing this new rocker arm assembly?
A: Yes, it is strongly recommended to check and adjust the valve clearance (lash) after installing a new rocker arm assembly. This ensures the valves open and close at the correct time and have the proper clearance for thermal expansion. Please refer to your engine’s service manual for the specific adjustment procedure and specifications.