Product Details:

• Shaft Seal
• Made by AMT Pump
• Part # 1640-161-96  
• Made from Buna-N
• This is a Replacement Part for the Following Self-Priming Booster/Sprinkler Pump Model #s: 3790 (3/4HP), 3791 (1HP), 3792 (1.5HP), 3793 (2HP), 379G (3/4HP), 379H (1HP), 3797 (1.5HP), 379K (2HP), 379A (1HP), 379B (1.5HP), 379C (2HP), 379D (3HP), 379F (1HP), 379J (1.5HP), 379E (2HP), and 379L (3HP)  

This part is highlighted as reference #s 6 and 7 on the spec drawing shown on this page.