: 91201-PA9-004 (current), 91201-PA9-003 (previous version) Type: Transmission shift shaft oil seal (gear selector shaft seal) Dimensions: 9mm inner diameter × 18mm outer diameter × 7mm thickness Material: Nitrile rubber (NBR) with metal casing Function: Prevents transmission fluid leaks around the gear shift linkage Compatible with models including: Civic (1992 and later models equipped with CVT transmissions) CR-V (1997 and later 5th generation models) Jade (all years) Fit/Jazz (2013 and later GK/GH series, 2002 and later RB3/RC series) Commonly used in CVT and some automatic transmissions; not typically found in manual transmissions. Symptoms of a failing seal: Transmission fluid leaks near the shift lever area Difficulty shifting gears Low transmission fluid level Visible oil residue on transmission housing near the shift shaft This is an aftermarket accessory.Brand names and model numbers are referenced strictly for compatibility information.