General Pump 701016 Buna-N O-Ring 15.6x1.78mm - 1746
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The General Pump 701016 is a genuine OEM replacement O-ring for General Pump plunger pumps and related components. It measures 15.6 mm diameter × 1.78 mm thickness and is made from Buna-N (nitrile) rubber with a 70 durometer hardness, a firm, general-purpose compound that holds its shape under pressure while still sealing reliably. It’s rated to a max temperature of 250° F, making it suitable for cold-water and many warm-water pressure washer applications, and nitrile resists water, oils, and many common cleaning solutions.
O-rings harden, flatten, or crack over time from heat, pressure cycling, and chemical exposure, which can cause drips, seepage, or pressure loss. Replacing worn O-rings during routine service restores a tight, leak-free seal and helps protect more expensive pump components.
Key features:
- 15.6 mm diameter x 1.78 mm cross-section
- Buna-N (nitrile/NBR), 70 durometer
- Max temperature 250°F
- Genuine OEM General Pump part for an exact fit