FOR OIL FILTER ELEMENT WITH O-RINGS. This would replace the Part No. 888414. This would be fit & suitable to Royal Enfield BULLET CONTINENTAL GT | NTB 350 | NTB 500 | BULLET 500 | BULLET 350 UCE (KS) | BULLET 350 UCE (ES) | ELECTRA 350 UCE (ES) | CLASSIC 350 | CLASSIC 500 EFI | THUNDERBIRD 500 | MACHISMO A350 (1999) | MACHISMO A500 (2009) | THUNDERBIRD KS (CDI-2004 TCI-2005) | THUNDERBIRD ES (2005) | BULLET 500 UCE. Check the product description, research well in case you are ordering this for any other motorcycle.