5274516 Piston for Cummins ISF4.5 QSB7 Engine | Excavator & Truck Parts

Product Details

Product Overview

This high-quality 5274516 piston is a direct replacement component specifically designed for use in Cummins ISF4.5 and QSB7 diesel engines. As a critical internal engine part, this piston ensures proper compression and efficient combustion within the cylinder. It is commonly utilized in a wide range of heavy-duty equipment, including excavators, trucks, loaders, bulldozers, and forklifts, making it a versatile solution for fleet maintenance and engine overhaul applications.

Manufactured to OEM specifications (OEM Size), this piston guarantees a precise fit and reliable performance. Whether you are rebuilding a Cummins engine for a construction site or maintaining a commercial truck fleet, this part offers the durability and accuracy required for demanding operational environments.

Key Features & Benefits

• OEM Specification Fitment: Produced to match the original equipment manufacturer’s dimensions, ensuring seamless installation and compatibility with your Cummins ISF4.5 or QSB7 engine.
• Durable Construction: Built from high-strength materials to withstand extreme combustion pressures and temperatures, extending the service life of your engine.
• Enhanced Engine Performance: Precision-machined surfaces help maintain optimal cylinder compression, improving fuel efficiency and reducing emissions.
• Rigorous Quality Control: Each piston undergoes strict testing procedures, including video outgoing inspection and machinery test reports, to guarantee consistent quality.
• Wide Application Range: Perfect for use in various heavy machinery, including excavators, loaders, bulldozers, trucks, and buses, providing a one-stop solution for mixed fleets.
• Secure Packaging: Packed in layers of plastic bags, boxes, and cartons to prevent damage during transit and storage.

Technical Specifications

OEM Cross-Reference

This piston is a direct replacement for the following OEM numbers. Please verify your existing part number before ordering:

• Cummins Part Number: 5274516

Note: This part is manufactured as a high-quality aftermarket replacement. It is not an original Cummins part but is designed to meet or exceed OEM performance standards.

Compatibility

Engine Models: This piston is specifically designed for the Cummins ISF4.5 and QSB7 engine platforms. These engines are commonly found in the following applications:

• Excavators
• Forklifts
• Trucks and Commercial Vehicles
• Loaders and Bulldozers
• Buses

Fitment Note: While this part is engineered for the listed engine models, we recommend cross-referencing your engine serial number and existing piston part number to confirm 100% compatibility for your specific vehicle or machinery.

Global Supply & Distribution

We offer worldwide shipping capabilities, ensuring that this piston reaches your workshop or warehouse quickly and efficiently. Our distribution network covers all major industrial regions, including:

• North America: Fast delivery to ports like Los Angeles, Houston, and New York.
• Europe: Efficient logistics to Rotterdam, Hamburg, and other key industrial hubs.
• Asia-Pacific: Direct shipping to major ports in Singapore, Dubai, and Australia.
• Middle East & Africa: Reliable service to Jebel Ali, Durban, and surrounding regions.

We have extensive experience in international trade, handling customs documentation and ensuring compliance with global shipping standards to provide a hassle-free purchasing experience for B2B clients.

Quality Assurance

Every piston is manufactured under strict quality control standards in our ISO-compliant facility. We provide the following assurances:

• Testing: Each unit is subject to a machinery test report to verify dimensional accuracy and material integrity.
• Inspection: Video outgoing inspection is available upon request, allowing you to visually confirm the product before shipment.
• Warranty: We offer a 6-month warranty against manufacturing defects, giving you confidence in your purchase.

FAQ

Q1: Is the 5274516 piston a direct fit for my Cummins QSB7 engine?
A: Yes, this piston is manufactured to OEM specifications for the Cummins QSB7 (and ISF4.5) engine. However, we always recommend checking your engine block’s casting numbers or the existing piston’s part number to ensure it matches your specific engine variant and bore size.

Q2: What other parts should I replace when installing a new piston?
A: For a successful engine overhaul, it is highly recommended to replace the piston rings, cylinder liners, and connecting rod bearings simultaneously. Always follow the engine manufacturer’s service manual for torque specifications and installation procedures to avoid premature wear.

Q3: How is the piston packaged to prevent damage during international shipping?
A: The piston is first wrapped in a protective plastic bag, then placed in a sturdy inner box, and finally packed in a reinforced carton. This three-layer packaging ensures the part arrives without scratches or deformation, even on long-distance freight routes.