What specific Harley-Davidson models does this pinion bearing fit?

This Twin Power pinion bearing fits many Harley-Davidson Big Twin models from 1987 through 1999. This includes various Electra Glide, Softail, and Dyna models, but it specifically excludes Twin Cam engines.

What does 'O.E.M. type replacement' mean for this bearing?

It means this bearing is made to match the specifications and performance of the original equipment manufacturer's part. It's designed to fit and function just like the stock bearing that came on your motorcycle.

Does this bearing come with any installation hardware?

This product is for the pinion bearing only. Installation hardware, such as seals or retaining clips, is not included and would need to be sourced separately if required for your specific repair.

Questions? Call Us:631-982-0042

M-F 8AM-4PM ET

Trusted Since 1957

Est. 1957

Twin Power 87-99 Big Twin Except Twin Cam Pinion Bearing Blue Replaces H-D 24643-87A

Specifications

Brand: TwinPower
Part #: 216603
UPC: 887337431765

Twin Power 87-99 Big Twin Except Twin Cam Pinion Bearing Blue Replaces H-D 24643-87A

Name: Twin Power 87-99 Big Twin Except Twin Cam Pinion Bearing Blue Replaces H-D 24643-87A
Brand: TwinPower
SKU: twinpower-twin-power-87-99-big-twin-except-twin-cam-pinion-bearing-blue-replaces-t14-702170
Price: 64.50 USD
Availability: BackOrder

$64.50

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.

Key Features

Fits 1987-1999 Harley-Davidson Big Twin models (except Twin Cam).
Replaces Harley-Davidson part number 24643-87A.
O.E.M. type replacement.
Well-built component for engine service.

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

This product is a Twin Power pinion bearing, designed as an O.E.M. type replacement. It's built to fit a wide range of Harley-Davidson Big Twin motorcycles from 1987 through 1999, excluding Twin Cam models. If you're working on a bike like a 1998 Road King Classic or a 1995 Dyna Super Glide, this bearing is made to match the original specifications.

This pinion bearing is a direct replacement for the Harley-Davidson part number 24643-87A. It's a well-built component intended to perform like the original equipment, ensuring it fits right into your engine assembly. When you're rebuilding or servicing the engine on your Big Twin, having a reliable bearing like this is key to smooth operation and proper power transfer.