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...

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

Volvo Penta Exploded view / schematic Upper Gear Unit

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...

The Ultimate Stainless Steel Skeg Protection is within your reach! If you are looking for something to protect your new skeg, repair your damaged one, or add some shine, the 316 marine-grade stainless steel construction Safe-Skeg, is brilliantly polished...

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

Anode, Trim Tab, Zinc - Sierra Marine Engine Parts (18-6122Z) is Sierra Marine's high-quality trim tab. This product is built with accuracy and finished in a zinc finish for additional other element resistance. By compensating for excessive torque, the...

A short hollow rod called FORWARD GEAR BEARING (118-1159) is composed of a forged steel alloy with outstanding strength and hardness. Physically the crosshead, piston, and connecting rod are distinct from it. Designing the FORWARD GEAR BEARING is...

Maintaining your marine motor is an important element of getting the most fun out of your boating experience. Sierra's 18-6162M Magnesium Anode Kit prevents corrosion and hence extends the life of your Yamaha engine. The package includes one magnesium...

Volvo Penta Exploded view / schematic Upper Gear UnitThis product replaces:854201

It can be a fun and rewarding experience in an open water activity knowing that the boat has excellent parts that guarantee the best of its performance. Simple issues like worn or scored thrust washers and prop nuts can impact your propeller shaft and...