K19 Rocker Arm Shaft 3679418 for Cummins Engine Parts Excavator Truck

Product Details

Product Overview

This is a high-quality Rocker Arm Shaft, part number 3679418, specifically designed for the Cummins K19 diesel engine. As a critical component of the valve train system, the rocker arm shaft provides a precise pivot point for the rocker arms, ensuring proper valve actuation and timing. This part is commonly used in heavy-duty applications where the K19 engine is found, including excavators, bulldozers, trucks, loaders, and other industrial machinery.

Manufactured to meet OEM specifications, this rocker arm shaft is an essential replacement part for maintaining engine performance and reliability. Whether you are servicing a single engine or managing a fleet, this component offers a direct fit and dependable operation, helping to minimize downtime in demanding work environments.

Key Features & Benefits

• Precision Engineering: Manufactured to OEM size and specifications for a direct, hassle-free replacement on your Cummins K19 engine.
• Durable Construction: Built from high-grade materials to withstand the high stress and constant motion of the valve train, ensuring long service life.
• Improved Engine Performance: A properly functioning rocker arm shaft ensures accurate valve timing, contributing to optimal engine power, fuel efficiency, and reduced emissions.
• Reduced Downtime: As a critical wear item, replacing a worn or damaged shaft proactively prevents valve train failure, keeping your heavy equipment operational.
• Rigorous Quality Control: Each unit is subject to machinery test reports and video outgoing inspections to guarantee quality and fitment before shipping.
• Versatile Application: Suitable for a wide range of heavy equipment including excavators, bulldozers, trucks, loaders, and buses powered by the Cummins K19 engine.

Technical Specifications

OEM Cross-Reference

This Rocker Arm Shaft is a direct replacement for the following OEM part number:

• Cummins Part Number: 3679418

Note: While this part is manufactured to match the specifications of the OEM number listed, it is a high-quality aftermarket replacement component, not a genuine Cummins part unless otherwise specified.

Compatibility

This part is specifically designed for the Cummins K19 diesel engine. Based on this engine application, it is commonly used for the following types of machinery:

• Excavators
• Bulldozers
• Heavy Trucks
• Wheel Loaders
• Forklifts
• Buses

Important Fitment Note: Compatibility is determined by the engine model (Cummins K19) and the specific part number (3679418). Always verify your engine’s serial number and the existing part’s configuration to ensure a correct match before purchasing.

Global Supply & Distribution

We are a dedicated supplier of heavy-duty diesel engine parts with a robust global distribution network. Our inventory is ready for fast and reliable shipping to major industrial centers and ports worldwide, including North America, Europe, Southeast Asia, the Middle East, Africa, and South America.

We understand the urgency of keeping your equipment running. Our logistics team is experienced in international trade and customs compliance, ensuring your order reaches you efficiently, whether by sea, air, or express courier. We serve a wide range of clients from single-machine owners to large-scale fleet operators and dealerships.

Quality Assurance

Quality is at the core of our operations. This Rocker Arm Shaft is manufactured under strict quality control standards in our ISO-compliant facilities. Each part undergoes a rigorous inspection process, including machinery test reports to verify dimensional accuracy and performance.

We provide a 6-month warranty against manufacturing defects, giving you confidence in your purchase. Video outgoing inspections are available upon request to provide visual verification of the product before it is shipped, ensuring you receive exactly what you expect.

FAQ

Q1: How can I be sure this rocker arm shaft will fit my engine?
A: The 3679418 rocker arm shaft is specifically designed for the Cummins K19 engine model. To confirm fitment, please check your engine data plate for the exact engine model (e.g., K19, KT19) and compare the part number on your existing shaft. If your part number matches 3679418, this is the correct replacement.

Q2: What are common signs that my rocker arm shaft needs to be replaced?
A: Common symptoms of a worn or damaged rocker arm shaft include unusual tapping or clicking noises from the valve cover area, reduced engine performance, rough idling, or visible scoring on the shaft surface. Regular inspection during valve lash adjustments is recommended to catch wear early and prevent more serious valve train damage.

Q3: What is the recommended installation procedure for this part?
A: Installation should be performed by a qualified diesel mechanic. The process generally involves removing the valve cover, rocker arms, and the old shaft. After cleaning the mounting surface, the new shaft should be lubricated with clean engine oil before installing the rocker arms. It is critical to follow the engine manufacturer’s specifications for bolt torque and valve lash adjustment after installation to ensure proper operation.