What does this kickstart gear mainshaft replace?

This Twin Power kickstart gear mainshaft is designed to replace the original Harley-Davidson part number 33430-50. It's intended for use on 4-speed Big Twin models.

What is the tooth count on this gear?

This mainshaft features 16 teeth. This count is important for proper engagement with the corresponding gears in your motorcycle's starting system.

What years and models does this part fit?

This part is designed for 4-speed Big Twin Harley-Davidson motorcycles manufactured between 1936 and 1984. It's a stock-type replacement.

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Trusted Since 1957

Est. 1957

Twin Power 36-84 4 Speed Big Twin Kickstart Gear Mainshaft Replaces H-D-33430-50 16 Teeth

Specifications

Brand: TwinPower
Part #: 482981
UPC: 887337397924

Twin Power 36-84 4 Speed Big Twin Kickstart Gear Mainshaft Replaces H-D-33430-50 16 Teeth

Name: Twin Power 36-84 4 Speed Big Twin Kickstart Gear Mainshaft Replaces H-D-33430-50 16 Teeth
Brand: TwinPower
SKU: twinpower-twin-power-36-84-4-speed-big-twin-kickstart-gear-mainshaft-replaces-h--t14-610686
Price: 25.59 USD
Availability: BackOrder

$25.59

On Backorder — Expected to ship by Jul 9, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Twin Power 4-speed Big Twin kickstart gear mainshaft. Replaces H-D 33430-50.

Key Features

Fits 1936-1984 4-speed Big Twin Harley-Davidson motorcycles.
Replaces Harley-Davidson part number 33430-50.
Features 16 teeth for proper engagement.
Stock-type replacement gear for a familiar feel and function.

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Product Details

This is a stock-type replacement kickstart gear mainshaft from Twin Power, designed for 4-speed Big Twin Harley-Davidson motorcycles made between 1936 and 1984. It features 16 teeth and is built to match the original specifications of your bike's starter system. If you're working on rebuilding or repairing the starting mechanism on your classic Big Twin, this gear is a well-built option to get it back to reliable operation.

Twin Power has a reputation for providing solid, dependable parts that perform as expected. This mainshaft is made to be a direct replacement for the Harley-Davidson part number 33430-50, meaning it should fit right into your existing setup without needing modifications. It’s a straightforward part that does its job, helping to ensure your kickstarter engages properly when you need it.