Skip to content
ONE-STOP EXCAVATOR & DIESEL ENGINE PARTS SOLUTION EXPERT | GUANGZHOU, CHINA
Request Quote
Quick sourcing

OEM Replacement Parts

6d108 S6d108 Saa6d108 Rocker Arm 6221-41-5510 For Komatsu Pc300-6 Pc340-6 Pc350-6 Excavator Engine

MOQ: 1pcs Price: Negotiable
Part No.
6221-41-5510
Engine Model
6D108, S6D108, SA6D108
Application
Excavator (Komatsu PC300-6, PC340-6, PC350-6), Forklift, Truck, Loader, Bulldozer, Bus
Warranty
6 Months
Place of Origin
Guangdong, China
Size
OEM Size
Chat on WhatsApp

Send OEM number, quantity, destination, or photos. We will reply with quotation, lead time, and fitment notes.

Fitment check OEM number, engine model, and machine model confirmation.
Manual quote Price, MOQ, stock, lead time, and replacement options.
Export support Packing notes, mixed order support, and shipping details.

Product Details

6d108 S6d108 Saa6d108 Rocker Arm 6221-41-5510 For Komatsu Pc300-6 Pc340-6 Pc350-6 Excavator Engine Spare Parts

Product Overview

This high-quality rocker arm, identified by OEM number 6221-41-5510, is a critical component for the valve train system in Komatsu excavator engines. Specifically designed for the 6D108, S6D108, and SA6D108 engine series, this part is commonly used in the Komatsu PC300-6, PC340-6, and PC350-6 excavator models.

Manufactured to OEM size specifications, this rocker arm ensures precise valve actuation, contributing to optimal engine performance, fuel efficiency, and reduced wear. It is a direct replacement for the original Komatsu part, offering a reliable solution for maintenance and overhaul needs in heavy-duty earthmoving equipment.

As a trusted aftermarket component, this rocker arm provides an excellent balance of quality and cost-effectiveness for B2B buyers seeking to support their fleet of Komatsu excavators or supply to the heavy equipment aftermarket.

Key Features & Benefits

  • Precise Fitment: Manufactured to OEM specifications (OEM Size) for direct bolt-on replacement on 6D108, S6D108, and SA6D108 engine models.
  • High Durability: Constructed from robust materials to withstand the high stress and heat of diesel engine operation, ensuring long service life in demanding excavator applications.
  • Verified Compatibility: Designed for the Komatsu PC300-6, PC340-6, and PC350-6 excavator series, providing high fit confidence for these popular models.
  • OEM Cross-Reference: Directly replaces Komatsu part number 6221-41-5510, simplifying your inventory management and replacement process.
  • Reliable Performance: Ensures consistent valve lift and timing, which is critical for maintaining engine power output and reducing emissions in diesel engines.
  • Cost-Effective Solution: Offers a high-quality aftermarket alternative to the original manufacturer’s part, helping to reduce maintenance costs without sacrificing performance.
  • Professional Packaging: Shipped in secure plastic bag, box, or carton packaging to ensure the part arrives in perfect condition, ready for installation.

Technical Specifications

Specification Details
Part Number 6221-41-5510
Product Type Rocker Arm
Engine Model 6D108, S6D108, SA6D108
Application Excavator (Komatsu PC300-6, PC340-6, PC350-6), Forklift, Truck, Loader, Bulldozer, Bus
Engine Type Diesel
Size OEM Size
Weight (kg) 6
Place of Origin Guangdong, China
Warranty 6 Months
OEM Service Available
Packaging Plastic bag, Box, Carton

OEM Cross-Reference

This rocker arm is a direct aftermarket replacement for the following original equipment manufacturer (OEM) part numbers:

  • Komatsu: 6221-41-5510

This part is designed to match the form, fit, and function of the original Komatsu component. Please verify your engine model (6D108, S6D108, SA6D108) to ensure correct application.

Compatibility

This rocker arm is specifically designed for use with the following engine models and is commonly used for the listed equipment applications:

  • Engine Models: 6D108, S6D108, SA6D108
  • Excavator Applications: Komatsu PC300-6, PC340-6, PC350-6
  • Other Applications: Forklift, Truck, Loader, Bulldozer, Bus (when equipped with the compatible 6D108 series engine)

Note: Fitment is inferred from the engine model designation. Always verify the engine model and part number before purchase to ensure compatibility with your specific machinery.

Global Supply & Distribution

We are a dedicated supplier of high-quality engine parts for the global B2B market. Our logistics network supports efficient worldwide shipping to meet the demands of international buyers.

  • Major Markets Served: North America, Europe, Southeast Asia, Middle East, Africa, and Oceania.
  • Shipping Capabilities: We offer fast and reliable delivery to major ports and industrial centers via sea freight, air freight, and express courier services.
  • Export Experience: With extensive experience in international trade, we ensure all shipments are properly documented, packed, and compliant with export regulations.
  • Flexible Solutions: Whether you need a single unit for a repair or bulk quantities for fleet maintenance, our supply chain is equipped to handle orders of all sizes efficiently.

Quality Assurance

Our commitment to quality ensures that every rocker arm meets rigorous standards for performance and reliability.

  • Manufacturing Standards: Produced in a facility with a focus on precision engineering and quality control, adhering to industry standards for diesel engine components.
  • Testing Procedures: A Machinery Test Report is provided with each shipment to verify dimensional accuracy and material integrity. Video Outgoing Inspection is also available upon request for added quality assurance.
  • Warranty: This product is backed by a 6-month warranty against manufacturing defects, providing peace of mind for your investment.
  • OEM Service Available: We offer OEM manufacturing services for clients requiring custom branding or specific packaging solutions.

FAQ

Q1: Is this rocker arm a direct replacement for the Komatsu 6221-41-5510 part?
Yes, this rocker arm is manufactured as a direct aftermarket replacement for the OEM Komatsu part number 6221-41-5510. It is designed to meet OEM specifications for size and fitment on the 6D108, S6D108, and SA6D108 engine models.

Q2: What is the typical installation procedure for this rocker arm on a Komatsu PC300-6 engine?
Installation involves removing the valve cover, loosening the existing rocker arm shaft assembly, and replacing the arm. It is critical to torque the rocker arm bolts to the manufacturer’s specifications and properly adjust the valve clearance (lash) after installation. We recommend consulting the official Komatsu service manual for your specific engine model for detailed instructions and torque values.

Q3: How can I ensure this rocker arm will fit my specific excavator model?
To ensure correct fitment, please verify two things: 1) Your engine model is one of the 6D108, S6D108, or SA6D108 series. 2) The part number on your original rocker arm matches 6221-41-5510. This part is specifically designed for these engine series, which are commonly used in the Komatsu PC300-6, PC340-6, and PC350-6 models. If you have any doubts, please contact our sales team with your machine’s serial number for verification.

WhatsApp