6BT5.9 Camshaft Gear 72T 3929028 for Cummins Engine Parts Excavator Truck

Product Details

Product Overview

This is a high-precision Camshaft Gear (72 Teeth) designed for the Cummins 6BT5.9 diesel engine series. With the OEM part number 3929028, this gear is a critical component in the valve timing system, ensuring synchronized rotation between the camshaft and crankshaft for optimal engine performance.

Manufactured to original equipment (OEM) size specifications, this gear is commonly used in heavy-duty applications including excavators, trucks, forklifts, bulldozers, buses, and loaders. It provides a direct replacement for worn or damaged timing gears in 6BT5.9 engine platforms, helping to restore engine timing accuracy and reduce wear on related components.

As a direct-fit component, this camshaft gear is engineered to meet the rigorous demands of commercial and industrial machinery, offering reliability and longevity in high-stress operating environments.

Key Features & Benefits

• Precision Timing: 72-tooth design ensures accurate camshaft-to-crankshaft synchronization for optimal fuel injection and valve timing.
• Direct OEM Replacement: Matches the original 3929028 part number and OEM dimensions for hassle-free installation.
• Durable Construction: Manufactured from high-strength materials to withstand continuous heavy loads and high-temperature operation.
• Wide Compatibility: Suitable for multiple heavy-duty applications including excavators, trucks, forklifts, and agricultural machinery powered by the 6BT5.9 engine.
• Cost-Effective Solution: Competitively priced without compromising on quality, offering excellent value for fleet maintenance and repair shops.
• Verified Quality: Each unit undergoes outgoing inspection and machinery test reporting to ensure dimensional accuracy and performance reliability.
• Global Supply Ready: Available for worldwide shipping with fast lead times to major industrial hubs.

Technical Specifications

OEM Cross-Reference

This camshaft gear is a direct replacement for the following OEM part numbers:

• Cummins OEM: 3929028
• Alternative References: 3929028 (Original), 3967238 (Superseded/Alternative)

Note: Always verify the tooth count (72T), engine model (6BT5.9), and physical dimensions before installation to ensure compatibility with your specific application.

Compatibility

This camshaft gear is commonly used for the following engine models and applications:

• Engine Models: Cummins 6BT5.9, 6BTA5.9, 6BTAA5.9 series
• Vehicle Applications: Excavators, Trucks, Forklifts, Bulldozers, Buses, Loaders, Agricultural machinery, and Industrial equipment

Fitment is inferred based on engine model compatibility. Please confirm your engine’s specific part requirements before ordering.

Global Supply & Distribution

We offer worldwide shipping capabilities to support B2B customers across the globe. Our supply chain is optimized for fast delivery to major ports and industrial centers in:

• North America: USA, Canada, Mexico
• Europe: Germany, UK, Netherlands, France, Italy, Spain, Eastern Europe
• Asia-Pacific: Australia, New Zealand, Japan, South Korea, Southeast Asia
• Middle East & Africa: UAE, Saudi Arabia, South Africa, Nigeria
• South America: Brazil, Argentina, Chile, Colombia

With export experience in international trade, we ensure proper documentation, packaging, and compliance with customs requirements. Bulk orders and consolidated shipping are available for cost savings.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities in China with strict quality control processes.
• Testing: Each batch undergoes machinery test reporting to verify dimensional accuracy and material integrity. Video inspection is available upon request.
• Warranty: 6-month warranty against manufacturing defects in materials and workmanship.
• Certification: Compliance with international quality requirements for aftermarket diesel engine parts.

FAQ

Q1: How can I confirm this camshaft gear fits my engine?

A: Please verify the following before purchase: (1) Your engine model is a Cummins 6BT5.9 series (or derivative). (2) The part number matches 3929028. (3) The gear has 72 teeth. If you have a different engine model or part number, please contact us with your engine serial number for cross-reference assistance.

Q2: What are the signs that my camshaft gear needs replacement?

A: Common symptoms include: rough idling, misfiring, decreased engine power, unusual knocking noises from the timing cover, or engine timing codes (e.g., P0016). If the gear teeth are visibly worn, chipped, or if there is metal debris in the oil, immediate replacement is recommended to prevent catastrophic engine damage.

Q3: Do you provide installation instructions or technical support?

A: While this is a direct replacement part, we recommend professional installation by a certified diesel mechanic. We can provide basic technical guidance and dimensional drawings upon request. Always follow the Cummins service manual for proper timing alignment and torque specifications during installation.