Sierra 18-5621 Outboard Starter, Replaces 50-893890T/50-822462, Fits 30-60 HP 2 & 3 Cylinder Outboards, White

The Sierra 18-5621 Outboard Starter is a direct-fit replacement starter motor built for outboard engines in the 30-60 HP range with 2 and 3 cylinder configurations. It is designed as a drop-in replacement for the OEM starter it supersedes, matching original mounting and electrical specifications so installation follows the same steps as removing and reinstalling the factory unit. The housing is constructed of metal for durability in the marine environment and is finished in white to match factory outboard color schemes. Electrically, the starter is rated at 1.4 KW, providing the cranking power needed for reliable outboard starts. Sierra manufactures this starter to meet or exceed the performance of the original equipment part it replaces, making it a straightforward upgrade or replacement option for boat owners maintaining their outboard's starting system. This is a universal-fit part within its stated HP and cylinder range, and it ships as a single complete starter unit ready for installation.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-5621
• Weight: 5.9 pounds
• Dimensions (L x W x H): 12 x 4.5 x 4 inches
• Material: Metal
• Color: White
• Wattage: 1.4 KW
• Fit Type: Universal Fit
• Compatible Vehicle Type: Marine personal craft
• UPC: 747730044071

Fitment

• Mercury outboards, 30-60 HP, 2 & 3 cylinder

Replaces (OEM)

• 50-893890T
• 50-822462

Frequently Asked Questions

What engines does the Sierra 18-5621 starter fit? The Sierra 18-5621 outboard starter fits outboard engines in the 30-60 HP range with 2 and 3 cylinder configurations.

What OEM part numbers does the 18-5621 replace? It replaces OEM numbers 50-893890T and 50-822462.

Is the Sierra 18-5621 a genuine Sierra part or aftermarket? The 18-5621 is manufactured by Sierra as a replacement starter that meets or exceeds the performance of the original equipment part it replaces.

What color is the 18-5621 starter? The Sierra 18-5621 outboard starter has a white finish.

What material is the Sierra 18-5621 starter housing made from? The housing is made of metal, which is standard for outboard starter motors exposed to marine conditions.

How much does the Sierra 18-5621 starter weigh? It weighs 5.9 pounds.

What are the dimensions of the 18-5621 outboard starter? The starter measures 12 x 4.5 x 4 inches (L x W x H).

What is the electrical rating of the Sierra 18-5621? The 18-5621 is rated at 1.4 KW.

Does the 18-5621 come as a complete, ready-to-install unit? Yes, the Sierra 18-5621 ships as a single complete starter motor unit for direct installation.

Will the 18-5621 work on both 2 cylinder and 3 cylinder outboards? Yes, the 18-5621 is listed as fitting both 2 and 3 cylinder outboards within the 30-60 HP range.

Is the Sierra 18-5621 a universal-fit starter? Yes, it is designated as a universal fit part within its stated 30-60 HP, 2 & 3 cylinder application range.

How does the Sierra 18-5621 compare to the original equipment starter it replaces? Sierra states the 18-5621 meets or exceeds the performance of the original equipment starter it replaces, including OEM numbers 50-893890T and 50-822462.