Fuel Pump Volvo Penta 4 Cylinder | Sierra 18-7286 Sierra Volvo Penta 4 Cylinder Fuel Pump | 18-7286 Mechanical fuel pump used on many Volvo Penta early AQ model 4 cylinder marine engines. Fits Volvo Penta AQ120B (spec # 867465), AQ125A/B, AQ131A/B/C/D, AQ140A (spec # 867464), BB140A, AQ145A, BB145A, AQ151A/B/C, AQ171A/C, AQ230A/B, AQ250A/B, & A251A model engines For XP stamped steel pump Must be installed using the original spacer or pump arm will fail Includes two mounting gaskets for use on both sides of the pump mounting spacer Replaces Volvo Penta 841161 Replaces Carter M60029 Replaces Mallory 9-35425