Fits,
Lower Unit Seal Kit for Volvo Penta AQ280DP AQ290DP Drives 876267
Lower Unit Seal Kit for Volvo Penta AQ280, AQ290 Duo Prop Dual Propeller Drives 
Replaces: Volvo Penta original equipment part # 876267; Mallory # 9-77903; Sierra # 18-8358 
This part also is included in Upper and Lower Gear Housing Complete Seal Kit (GLM # 87790)