Gskt, Manifold End Cap, Sierra 18-1210

Gskt, Manifold End Cap, Sierra 18-1210
Replaces Mercruiser 27-39923

• 120 GM 153 I/L4 1964-1972 - 1666601 THRU 3377340
• 120 GM 153 I/L4 1972-1978 - 3377341 THRU 5192048
• 160 GM 250 I/L6 1967-1969 - 2048022 THRU 2770031