- Breather Tube Nitrile Seal O-Ring
- For use with:
- International 3400, 3600-3800 School Bus Series with Flat Back Cowls 4300, 4400, 4500, 4600 and 4700 Series Medium Duty
- Manufacturer: International Navistar
- Model: 214
- Part Number: 1822135C1
- Also Known As: S-21312