Description

The Sierra 18-4218 Drain Tap is a fit specific part, consult your authorized dealer to ensure proper fit. Each Sierra product meets or exceeds the original equipment part it replaces. Fits: MerCruiser cylinder blocks & exhaust manifolds. Size: 1/4 inch NPT or 6.4mm.
Sierra Drain Tap
Size: 1/4 inch NPT or 6.4mm
Used with most O.E.M. Manifolds
Fit specific, check part numbers to ensure proper fit