Volvo Penta 855476 Vibration Damper Crankshaft Pulley AQ131A AQ131B AQ125B 4cyl 18hp Everything you would need here

Everything you would need here minus the rubber washers

Part number 984221 / 0984221 (Port Side Exhaust Manifold)

Sensor 87-91019A3 Is still installed in this

Swivel Pin and Arm Assembly: 17-73593A 1

A general rule of thumb is always match the gasket to the intake / exhaust manifold

Volvo Penta 855476 Vibration Damper Crankshaft Pulley AQ131A AQ131B AQ125B 4cyl 18hp Everything you would need hereItem Details & Compatibility From a AQ125B 4 Cylinder Sterndrive (B230 Block) Looks like these were in AQ131A AQ131B AQ131C AQ131D & AQ125B AQ145B applications as well as the same part number. Notable Part Number(s) 855476 Vibration Damper Crankshaft Pulley Balancer 2 Groove Version (You do see other versions of this where it is either 3 groove and all of the grooves are the same size or a another 3 groove version where the two "forward" grooves are