Cummins M11 QSM11 Connecting Rod Bearing | Mahle Bearings for R450 R500 Excavator

Product Details

Product Overview

This is a premium quality Cummins M11 and QSM11 connecting rod bearing, manufactured by Mahle, a globally recognized leader in engine component technology. Designed as a direct replacement for your engine’s connecting rod assembly, this bearing ensures optimal clearance and load distribution for high-performance diesel engines.

Commonly used in heavy-duty applications, this rod bearing is specifically referenced for excavator models R450 and R500. It provides the precise fit and durability required for demanding machinery operations. While fitment is inferred from common application data, we strongly recommend verifying compatibility with your specific engine serial number for guaranteed performance.

Key Features & Benefits

• Genuine Mahle Quality: Manufactured by Mahle, a tier-one OEM supplier, ensuring strict adherence to original equipment specifications for fit, finish, and performance.
• Precision Engineering: Manufactured to exact tolerances for the Cummins M11 and QSM11 engine platforms, providing consistent oil clearance and reducing friction.
• High Durability: Constructed from high-grade materials designed to withstand extreme loads, high temperatures, and continuous operation in heavy machinery.
• Direct Replacement: Designed as a 100% new, drop-in replacement part, minimizing downtime during engine overhaul or repair.
• Reliable Performance: Essential for maintaining proper crankshaft journal clearance, preventing bearing knock, and extending the overall life of your engine.
• Secure Packaging: Delivered in genuine Mahle packaging to prevent damage during transit and ensure product authenticity.

Technical Specifications

OEM Cross-Reference

This connecting rod bearing is a direct replacement for the following OEM part numbers. Please verify your specific part number for exact fitment.

• OEM No: / (Refer to engine serial number for cross-reference)
• Model Number: M11

Note: While the primary OEM number is not specified, this bearing is built to the exact specifications required for the Cummins M11 and QSM11 series engines. Always confirm with your engine parts manual.

Compatibility

This bearing is commonly used for the following applications:

• Engine Models: Cummins M11, Cummins QSM11
• Excavator Models: Commonly referenced for R450 and R500 series excavators.
• General Application: Heavy-duty machinery engines requiring high-load bearing capacity.

Fitment Disclaimer: Compatibility is inferred based on common industry applications. We recommend checking your engine model, serial number, and existing bearing part number to ensure a perfect match before purchase.

Global Supply & Distribution

We specialize in the global supply of heavy-duty engine components, ensuring fast and reliable delivery to industrial centers worldwide. Our logistics network supports:

• North America: Fast shipping to USA, Canada, and Mexico via major ports (Los Angeles, Houston, Vancouver).
• Europe: Efficient distribution to Germany, UK, Netherlands, and other EU countries via Rotterdam and Hamburg.
• Asia-Pacific: Direct shipping to Australia, Singapore, and Southeast Asian markets.
• Middle East & Africa: Reliable service to UAE, Saudi Arabia, and South Africa.
• South America: Accessible shipping to Brazil, Chile, and Argentina.

With our export experience, we ensure proper documentation and customs compliance for international B2B transactions.

Quality Assurance

We are committed to providing high-quality engine parts that meet rigorous standards.

• Manufacturing: Produced under strict quality control by Mahle, a brand synonymous with precision engineering and reliability in the automotive and heavy machinery sectors.
• Warranty: This product comes with a 3-month warranty against manufacturing defects.
• Testing: While a machinery test report and video outgoing inspection are not available for this individual item, the product line is manufactured to standardized quality specifications.
• Support: We provide online support for after-warranty service and technical inquiries.

FAQ

Q1: Will this bearing fit my Cummins M11 engine if I have a different excavator model?
While this bearing is commonly used for R450 and R500 excavators, it is designed for the Cummins M11 and QSM11 engine platform. If your machine uses this engine, the bearing should be compatible. However, we strongly advise checking your engine serial number and existing bearing part number to confirm fitment before ordering.

Q2: What are the signs that my connecting rod bearings need replacement?
Common symptoms include a knocking or tapping noise from the engine, especially under load, low oil pressure, and metallic debris in the oil. If you experience these issues, it is critical to inspect and replace bearings immediately to prevent damage to the crankshaft and connecting rods.

Q3: What is the recommended installation procedure for this bearing?
Installation should be performed by a qualified technician. The bearing shells must be clean and lubricated with engine oil during assembly. Ensure the bearing cap is torqued to the manufacturer’s specifications (typically using a torque-to-yield method). Always replace main bearings and rod bolts simultaneously for optimal engine longevity.