The GRACO High Capacity Fill Coupler (SKU: 121474) is a female coupler designed for use with G-Series pumps. It is constructed from steel with a zinc finish and is intended for transferring oil and grease in on-road vehicles and off-road equipment.

Key Features:

• Coupling
• 1/4 inch QD Female by 1/4 inch NPT Female
• Steel with zinc coating
• Maximum working pressure: 3700 psi (259 bar, 25900 kPa)
• Oil, grease; for use with G-Series pumps
• Quick-disconnect and threaded connection options
• High capacity for efficient fluid transfer
• Durable steel construction with corrosion-resistant zinc finish

Applications:
On-road vehicles, off-road equipment

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance with GRACO equipment.
• Ensure threads are clean and free of debris before installation
• Use appropriate thread sealant for NPT connections
• Verify compatibility with G-Series pumps and intended fluid type
• Regularly inspect for wear or damage and replace as needed