Mercury Mercruiser Marine - PARTIAL-525 EFI (#841178A1) PRICE: $0.00 $0.00 Part #: 841178A1 This product is no longer available. Mercury Assemblies Oil Pan And Oil Pump Engine Components(Water Pump And Front Cover) Oil Cooler And Oil Filter(Engine) Intake Plenum And Components Intake Manifold And Components Exhaust Header / Tailpipe Assembly Fuel Rails And Injectors Engine Components(Crankshaft / Pistons / Connecting Rods) Engine Components(Cylinder Head) Electrical Components(Ignition) RACE STERNDRIVE525 EFI Engine Components(Cylinder Block And Camshaft)