B3.3 Rocker Arm Assembly 4944183 for Cummins Engine Parts Excavator Truck Loader

Product Details

Product Overview

This high-quality Rocker Arm Assembly, part number 4944183, is engineered specifically for the Cummins B3.3 diesel engine platform. As a critical component of the valve train system, this assembly ensures precise valve actuation, contributing to optimal engine performance, fuel efficiency, and reduced emissions.

Designed to meet OEM specifications, this rocker arm assembly is a direct replacement for the original part. It is commonly used in a wide range of heavy equipment applications including forklifts, bulldozers, buses, excavators, trucks, and loaders. Whether you are servicing a construction fleet or rebuilding a commercial vehicle engine, this component provides the reliability and durability required for demanding working conditions.

Sourced from a trusted manufacturer in Guangdong, China, this assembly undergoes rigorous quality checks to ensure it meets or exceeds the performance standards of the original Cummins part, making it a cost-effective and reliable choice for engine rebuilders and maintenance professionals.

Key Features & Benefits

• OEM Fitment Confidence: Manufactured to original equipment specifications (OEM Size), ensuring a direct bolt-on replacement without modifications, saving valuable installation time.
• Precision Valve Actuation: Designed for the Cummins B3.3 valvetrain, this assembly provides consistent and accurate rocker arm motion, which is critical for maintaining proper valve timing and engine balance.
• Durable Construction: Built from high-grade materials to withstand the high cyclic loads and thermal stress found in diesel engines, extending the service life of the valve train system.
• Enhanced Performance: Reduces friction and wear on valve stems and pushrods, helping to maintain compression and horsepower output over the engine’s lifespan.
• Rigorous Quality Control: Each assembly is inspected before shipping, with a Machinery Test Report and Video Outgoing Inspection available upon request to verify quality standards.
• Versatile Application: Suitable for a broad range of heavy machinery and commercial vehicles, making it an excellent stock item for parts distributors and repair shops.

Technical Specifications

OEM Cross-Reference

This rocker arm assembly is a direct replacement for the following original manufacturer part numbers. Please verify your existing part number before ordering.

• Cummins OEM: 4944183
• Alternative Cross-Reference: 2832476

Note: While 4944183 is the primary number, cross-referencing with your engine serial number is recommended to ensure 100% compatibility with your specific B3.3 variant.

Compatibility

This Rocker Arm Assembly 4944183 is specifically designed for the Cummins B3.3 diesel engine. Due to the wide use of this engine platform, this part is commonly utilized in the following equipment:

• Construction Machinery: Excavators, Bulldozers, Loaders
• Material Handling: Forklifts
• Commercial Vehicles: Trucks, Buses
• Agricultural Equipment: Tractors and harvesters (where B3.3 engines are installed)

Fitment Note: This part is designed for the B3.3 engine model. Always confirm your specific engine serial number and application to ensure correct fitment, as variations in engine configuration may exist.

Global Supply & Distribution

We provide efficient logistics to support international B2B buyers. Our global supply network ensures fast and reliable delivery to major industrial centers worldwide.

• North America: Fast shipping to ports such as Los Angeles, Houston, and New York/Newark for distribution across the USA, Canada, and Mexico.
• Europe: Direct routes to Rotterdam, Hamburg, and Felixstowe for quick access to the UK, Germany, France, and other EU markets.
• Asia-Pacific: Regional hubs in Singapore, Dubai, and Sydney for rapid delivery to Australia, New Zealand, and Southeast Asian markets.
• Middle East & Africa: Efficient shipping to Jebel Ali (Dubai), Jeddah, and Durban to support mining, construction, and oil & gas operations.
• South America: Service to Santos and Callao for distribution to Brazil, Chile, and Argentina.

We have extensive experience in international trade documentation, customs clearance, and bulk order logistics. We offer flexible shipping options including sea freight (FCL/LCL), air freight, and express courier services to meet your delivery deadlines.

Quality Assurance

We are committed to providing high-quality, reliable engine components. Our quality assurance process includes:

• Manufacturing Standards: Components are produced in ISO-certified facilities, adhering to strict tolerances and material specifications.
• Testing & Inspection: Each batch undergoes dimensional checks and functional testing. A Machinery Test Report is available to validate performance. We also offer Video Outgoing Inspection for bulk orders.
• Warranty: This product comes with a 6-month warranty against manufacturing defects in materials and workmanship, providing peace of mind for your inventory or repair jobs.

FAQ

Q: How can I confirm this rocker arm assembly fits my specific engine?
A: The part number 4944183 is designed for the Cummins B3.3 diesel engine. To ensure a perfect fit, please check the part number on your old rocker arm assembly. Additionally, verify your engine’s serial number and model tag. If you have any doubts, contact us with your engine details, and we can cross-reference the part for you.

Q: What does this rocker arm assembly include?
A: The assembly includes the rocker arm body, adjusting screw, lock nut, and mounting hardware (if applicable in the standard assembly). It is designed as a complete unit for direct installation onto the cylinder head rocker shaft. Please note that the rocker shaft itself is typically sold separately.

Q: What is the recommended installation procedure?
A: Installation should be performed by a qualified diesel mechanic. General steps include: 1) Ensure the engine is at top dead center (TDC) on the compression stroke. 2) Remove the valve cover. 3) Loosen the old rocker arm assembly from the shaft. 4) Install the new assembly and torque the mounting bolts to the manufacturer’s specifications. 5) Adjust the valve lash (clearance) to the specified setting for the B3.3 engine using a feeler gauge. Always consult the Cummins service manual for your specific engine model for precise torque and clearance values.