General Pump 701147 Buna-N O-Ring 5000PSI - 2439
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The General Pump 701147 is a genuine OEM replacement O-ring for General Pump plunger pumps. It’s 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. Nitrile resists water, oils, and many common cleaning solutions, and this O-ring is rated up to 5,000 PSI and a maximum temperature of 165°F, making it well suited to cold-water pressure washer pumps. It’s made in the USA.
O-rings harden, flatten, or crack over time from pressure cycling, heat, and chemical exposure, and they’re often damaged when parts are removed during service. Worn O-rings typically show up as drips, seepage, or pressure loss. Replacing them whenever you open the pump for valve or seal work restores a tight, leak-free seal and helps protect more expensive pump components.
Key features:
- Buna-N (nitrile), 70 durometer
- Rated to 5,000 PSI
- Max temperature 165°F
- Made in USA
- Genuine OEM General Pump part for an exact fit