The GRACO 557954 is a 45° street elbow adapter designed to connect components in automatic lubrication systems. It is constructed from zinc-plated steel and is intended for use with oil and grease in both on-road vehicles and off-road equipment. This adapter is commonly used to replace ball joint fittings (such as drag link or tie rod fittings) when a 45° elbow is required.

Key Features:

• Elbow adapter
• 1/4-28 SAE Male x 1/8 NPTF Female
• Zinc-plated steel
• Oil, grease; on-road vehicles, off-road equipment
• 45° angle for flexible routing in tight spaces
• Threaded connections for secure fit
• Durable zinc-plated finish for corrosion resistance
• Reliable performance in demanding environments

Applications:
Used in automatic lubrication systems for vehicles and equipment, particularly where a 45° elbow is needed to replace ball joint fittings such as drag link or tie rod fittings.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the lubrication system.
• Ensure threads are clean and free of debris before installation
• Apply appropriate thread sealant if required for NPTF connections
• Hand-tighten before final torque to avoid cross-threading
• Check for leaks after installation and during system operation
• Regularly inspect for signs of wear or corrosion
• Replace if damaged or leaking
• Follow manufacturer’s recommended maintenance schedule