C6.6 Connecting Rod Screw for Caterpillar Engine Excavator Loader Parts

Product Details

Product Overview

This high-quality connecting rod screw is specifically designed for the Caterpillar C6.6 diesel engine. As a critical component within the engine’s bottom end assembly, this screw ensures the secure and precise fastening of the connecting rod cap to the connecting rod body, maintaining proper bearing clearance and preventing catastrophic engine failure. It is commonly used in heavy machinery such as excavators, loaders, bulldozers, and trucks that are powered by the Caterpillar C6.6 engine platform.

Manufactured to OEM size specifications, this connecting rod screw offers a reliable replacement solution for maintenance and overhaul applications. While fitment is generally inferred for the C6.6 engine family, we recommend verifying the specific OEM part number cross-reference against your engine’s serial number to ensure complete compatibility. This part is an essential element for any engine rebuild or repair kit for Caterpillar heavy equipment.

Key Features & Benefits

• OEM Size Precision: Manufactured to match original equipment manufacturer (OEM) specifications, ensuring a precise fit and consistent clamping force for the connecting rod assembly.
• Durable Construction: Built from high-strength alloy steel to withstand the extreme tensile loads and high temperatures within a diesel engine combustion chamber.
• Engineered for Reliability: This screw is a critical safety component; our product is designed to prevent loosening or failure under high-vibration conditions common in excavator and loader applications.
• Cost-Effective Replacement: An affordable alternative to genuine dealer parts without compromising on the essential mechanical properties required for a secure connection.
• Extended Service Life: Proper heat treatment and surface finishing resist fatigue and corrosion, contributing to a longer engine overhaul interval.
• Easy Installation: Designed as a direct replacement part, simplifying the rebuild process for mechanics and service technicians.

Technical Specifications

OEM Cross-Reference

This connecting rod screw is designed to replace or serve as an alternative to the following OEM part numbers. Please cross-reference your original part number for fitment confirmation.

• OEM Number: 8-98023-526-0 (Common cross-reference for C6.6 connecting rod components)
• OEM Number: 8-98023-525-0 (Related screw for connecting rod cap)
• Alternative: 8-98023-460-0
• Note: Always verify the thread pitch and length against your original screw before installation.

Compatibility

This connecting rod screw is commonly used for the following engine and equipment applications. Fitment is inferred based on the Caterpillar C6.6 engine platform.

• Engine Models: Caterpillar C6.6 (All variants including ACERT technology)
• Excavators: Caterpillar 320D, 323D, 324D, 325D, 328D, 329D, 330D, 336D (Models equipped with C6.6 engine)
• Loaders: Caterpillar 950H, 962H, 966H, 972H (Models with C6.6 or C7 engine derivatives)
• Trucks: Caterpillar CT660 (Early models), various on-highway trucks using C6.6 power unit
• Other Applications: Forklifts, bulldozers, and industrial generators powered by C6.6 engines.

Global Supply & Distribution

We provide worldwide shipping capabilities to support B2B buyers across the globe. Our logistics network ensures fast and reliable delivery to major ports and industrial centers.

• Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Australia, Japan, Singapore, South Korea), Middle East (UAE, Saudi Arabia, Qatar), and South America (Brazil, Chile, Argentina).
• Shipping Options: Express (DHL, FedEx, UPS) for small orders, Air Freight for urgent needs, and Sea Freight (FCL/LCL) for bulk shipments to major ports like Los Angeles, Rotterdam, Shanghai, and Jebel Ali.
• Export Experience: We have extensive experience in international trade, handling customs documentation and compliance with local regulations to ensure a smooth transaction for our customers.

Quality Assurance

We are committed to delivering high-quality components that meet the demands of professional heavy equipment maintenance.

• Manufacturing Standards: All parts are manufactured in ISO 9001 certified facilities, ensuring consistent quality control processes.
• Testing: Machinery test reports and outgoing video inspections are provided upon request to verify product dimensions and material integrity.
• Warranty: Each connecting rod screw is backed by a 6-month warranty against manufacturing defects, providing peace of mind for your repair investment.
• Certification: Parts are sourced from verified suppliers in Guangdong, China, with strict adherence to OEM size and material specifications.

FAQ

Q: How do I confirm this screw fits my specific C6.6 engine?
A: While this screw is designed for the C6.6 engine family, we recommend checking the OEM part number on your original screw. Common numbers include 8-98023-526-0. If your screw has a different number, please contact us with your engine serial number or the old part number for cross-reference verification.

Q: Can I reuse old connecting rod screws during a rebuild?
A: No. Connecting rod screws are torque-to-yield fasteners. They stretch during installation and lose their clamping force integrity. We strongly advise always replacing connecting rod screws with new ones during any engine overhaul to prevent rod bolt failure, which can destroy the engine block.

Q: What is the proper installation torque for this screw?
A: The correct tightening procedure is critical. You must follow the Caterpillar service manual for the C6.6 engine. Typically, this involves applying assembly lube, tightening to a specific initial torque, then turning an additional angle (degrees). Never exceed the specified torque or angle, as this can cause the screw to yield prematurely. We recommend using a calibrated torque wrench and angle gauge.