Gearcase

This 4" long, 17/32" inside diameter Replaces the original exhaust bellow on MCM 120/140 and GM V-6 and V-8 engines. This bellow measures 4" (102mm) x 4-1/4" (108mm) and is meant to fit into a 2-1/8" (54mm) hole with a 4" I.D. Sierra & Sealine models:...

Our customers count on us for design support and product integrity because strength and dependability are fundamental characteristics of our goods. For the extremely demanding requirements of long-running marine engines, our seal rings are employed in...

A Sealing Ring is a mechanical gasket that resembles a doughnut. It is ideal for insertion into a groove and compression during the assembly of two or more parts. It is an elastomer loop with a round cross-section that forms a seal at the interface. They...

Volvo Penta Exploded view / schematic Gear Housing, Upper SN3950002736-

Volvo Penta Exploded view / schematic Upper Gear Unit

Cylinder liners (also known as sleeves) are thin metal cylinder-shaped parts inserted into the engine block to form the inner wall of the cylinder. An engine can also be sleeveless,' with the cylinder walls formed by the engine block with a...

Volvo Penta Exploded view / schematic Gimbal Ring and Pivot Housing

Thrust washers are a type of mechanical hardware component found in assemblies such as appliances, power tools, machines, vehicles, and others. It is frequently placed between a revolving component and a stationary component to ensure the revolving...

Upper Tube: 4" or 101.6mm, Fits: MCM 120, 140 & GM V-6 & V-8 enginesThis product replaces:47-2748, GLM89120, 32-44348T, AP1520, 92-89120, 30999752963, 9-72805

A gearcase shields a piece of machinery's gear system. It also transmits engine torque and spins to the propeller's shaft. The lower portion of an outboard motor spends its time submerged in corrosive saltwater because it is the most exposed component. A...

Exhaust bellows reduce motion/kinetic energy within the engine or transferred from the engine to expensive emissions systems by absorbing displacements and vibrations and accommodating thermal expansion. Exhaust bellows from Sierra Marine Engine Parts,...

A seal carrier is mounted and secured against axial, radial, and rotational displacement. It has a peripheral groove that receives a circular rib encircling the carrier's receiving opening in the housing. When the split housing is bolted together, the...