Description
Fluid system leaks compromise performance and reliability—Peterson’s 12AN O-ring replacements eliminate weeping connections and pressure loss at critical fittings. These wear items are essential maintenance parts for any serious racing or high-performance build, ensuring your fuel, coolant, or brake lines maintain a perfect seal under pressure and temperature cycling. A five-pack keeps you stocked for multiple systems or future rebuilds.
- 12 AN fitment size
- Rubber construction
- Set of 5 rings
- Peterson OEM specification
- Bolt-on replacement
- Universal application
- Pressure-rated sealing






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