It has a 12mm id and a 17mm od. Cases are dealt with on an individual basis.
Crankcase Breather 25mm Mini Nonwoven Fabric Air Intake Filter Car Accessories EngIne Breather for Scooter Off-road Motorcycle
Engine Oil Filler Cap Compatible with Series F20 and R56 R57 R58 R60, Aluminium Engine Breather Cover Replacement OEM 11127582398
Turbo Intake Seal & Engine Breather Seal Kit A6420940080 for OM642 Engines om642 intake seal genuine - om642 red turbo intake seal a6420940080 a6420940080 a6420940080 om642 a6420940080 200
Aramox A6420940080 Turbo Intake Seal, Engine Breather Seal Kit for OM642 Engines
Chrome Engine Breather Oil Collector For Harley Custom Indian BMW 40-0568 Billet
173FM Engine Breather Assy For Stels ATV 300B Buyang 300 Feishen FA-D300 H300 2.1.01.3020 For Xinyue XY260 XY300 LU018897
