Maindrive Gear Seals

1 products

Our maindrive gear seals for Harley-Davidson — listed under Transmission — are the oil seals around the maindrive gear on classic Harley-Davidson transmissions. Iron Stable is run by Iron City Motorcycles, an authorised Harley-Davidson dealer in Leeds, and this small section is supplied by James Gaskets. Fitment covers 1941–1973 45-inch Flathead and Servi-Car. A fresh maindrive gear seal keeps transmission oil where it belongs on any vintage Harley-Davidson. Browse the full range below.

OEM Replacement Parts OEM Only — Active Genuine H-D & replacements Tap to clear filter Custom & Performance Aftermarket Only — Active Upgrades & Aftermarket Tap to clear filter
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