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D3330
2000 Toyota Avalon
1995Neon Sport (DOHC)Oil Fliter: PH 3614 & TG3614 (Fram); PF53 (ACDelco); 72161 & D3330 (Bosch); HP-1002 (K&W); M1-102 (Mobil1); MO-090 (Mopar); L10241 & PL10241 (Purolator); Fuel Filter: G8190 (Fram); F65039 (Purolator);Air Filter: 33-2087 (K&W); 042-0323 (Beck/Arnley); A23465 & PA23465 (Purolator);Transmission Filter: FK-147 (Pro-King);Carbon Canister Filter: EC224 (BWD);Oil Pan Drain Plug: 090-058 (Dorman); 65267 (Motormite);PCV Valve: PV761A (Purolator);If you have more information on different years, please feel free to modify this answer. -HACKhalo2
D3330 is a molar root canal
that is a root canal of a molar tooth. Meaning the dentist is removing the nerve and pulp of the tooth.
D3310 Root canal, anterior (excluding final restoration) D3320 Root canal, bicuspid (excluding final restoration) D3330 Root canal, molar (excluding final restoration) These include the root canal and temporary filling. You may also need: D2950 Core buildup, including any pins You also need to add the permanent crowns.