Oil Gauge Fittings

7 products

Oil Gauge Fittings for Harley-Davidson connect your oil pressure gauge or sender to the engine cases, providing accurate oil pressure readings that help you monitor engine health. Correct fittings ensure a leak-free connection and reliable gauge operation. Iron City Motorcycles, an authorised Harley-Davidson dealer in Leeds, supplies oil gauge fittings from trusted brands including MCS and Streethogs. These fittings cover 1938–1969 Big Twin, 1970–1999 Big Twin (excluding Twin Cam) and 1984–1999 Big Twin platforms. Whether you are fitting an oil pressure gauge to a vintage Panhead, upgrading the sender on an Evolution Big Twin, or plumbing in a new gauge kit on your Harley-Davidson, the correct adapter fitting makes installation clean and reliable. Every fitting is machined to the correct thread size and sealing specification for direct, leak-free fitment to your engine cases. Browse the full range below.