QSL9 Exhaust Pipe Bolt 3901757 for Cummins Engines | Excavator & Truck Parts

Product Details

Product Overview

This high-quality exhaust pipe bolt, part number 3901757, is specifically designed for use with Cummins QSL9 diesel engines. As a critical fastening component in the exhaust system, this bolt ensures a secure and leak-free connection between the exhaust manifold and the pipe, maintaining optimal engine performance and emissions control.

Manufactured to meet OEM specifications, this exhaust pipe bolt is suitable for a wide range of heavy-duty applications, including excavators, trucks, forklifts, bulldozers, buses, and loaders. Whether you are a fleet manager, equipment dealer, or repair shop, this bolt provides a reliable and cost-effective solution for engine maintenance and overhaul projects.

Key Features & Benefits

• Precision Fitment: Manufactured to OEM size and specifications (3901757) for direct replacement on Cummins QSL9 engines, ensuring easy installation and a perfect seal.
• Durable Construction: Built from high-grade materials to withstand extreme heat, vibration, and pressure within the exhaust system, offering long service life.
• Leak-Free Performance: Designed to provide a tight, secure connection that prevents exhaust gas leaks, helping to maintain engine efficiency and reduce noise.
• Cost-Effective Alternative: Offers the lowest price advantage without compromising on quality, making it an economical choice for high-volume maintenance.
• Rigorous Quality Control: Each bolt undergoes outgoing inspection and machinery test reporting to verify dimensional accuracy and material integrity before shipment.
• Versatile Application: Compatible with multiple heavy equipment types, including excavators, trucks, and loaders, reducing the need for multiple part inventories.

Technical Specifications

OEM Cross-Reference

This exhaust pipe bolt is a direct replacement for the following OEM part numbers:

• Cummins Part Number: 3901757

Please verify your engine’s specific requirements before purchase. This part is designed to match the original factory specifications for the QSL9 series.

Compatibility

Engine Models: This bolt is commonly used for Cummins QSL9 diesel engines.

Vehicle & Equipment Applications: Commonly used for the following heavy equipment types:

• Excavators
• Trucks
• Forklifts
• Bulldozers
• Buses
• Loaders
• Other industrial machinery powered by the Cummins QSL9 engine

Note: Fitment is inferred based on engine model compatibility. Please confirm with your equipment manufacturer for exact application.

Global Supply & Distribution

We offer worldwide shipping capabilities to meet the demands of international B2B buyers. Our primary markets include North America, Europe, Asia-Pacific, the Middle East, Africa, and South America. We have extensive experience exporting to major industrial centers and ports, including Los Angeles, Rotterdam, Dubai, Singapore, and Shanghai.

Our logistics network ensures fast and reliable delivery, with options for express air freight, sea freight, and door-to-door services. We comply with all international trade regulations and can provide necessary documentation for customs clearance.

Quality Assurance

Each exhaust pipe bolt is manufactured under strict quality control standards in our facilities in Guangdong and Guizhou, China. We provide a 6-month warranty against manufacturing defects. Key quality measures include:

• Outgoing Inspection: Video inspection reports are provided to verify part condition before shipment.
• Machinery Test Report: Dimensional and material testing reports are available upon request.
• Durability Testing: Parts are tested to withstand high temperatures and torque specifications typical of diesel engine exhaust systems.

FAQ

Q1: Is this exhaust pipe bolt a direct replacement for the original Cummins part?
Yes, this bolt (part number 3901757) is manufactured to OEM size and specifications, making it a direct replacement for the original Cummins part on QSL9 engines. It is designed to match the thread pitch, length, and material grade of the factory component.

Q2: What tools are required for installation?
Installation typically requires standard socket wrenches and torque tools. We recommend using a torque wrench to tighten the bolt to the manufacturer’s specified torque value (usually found in the engine service manual) to ensure proper sealing and prevent damage to the exhaust manifold.

Q3: How should I store this bolt if not used immediately?
Store the bolt in a clean, dry environment to prevent corrosion. Keep it in its original packaging or a sealed container away from moisture and extreme temperatures. Proper storage ensures the bolt remains in optimal condition for future use during engine maintenance or repair.