Engine Coupler for Mercruiser GM/Chevy engines (-1989) with a two piece rear main seal.

Original Mercury/Quicksilver Coupler.

Modeltypes:

Mercruiser 120 GM 153 (2.5L) I/L4 1983-1986
Mercruiser 140 GM 181 (3.0L) I/L4 1982-1986
Mercruiser 185 (2-bbl) GM 262 (4.3L) V6 1985-1987
Mercruiser 185 (4-bbl) GM 229 (3.8L) V6 1983-1984
Mercruiser 198 MIE (2-bbl) GM 305 (5.0L) V8 1977
Mercruiser 2.5L GM 153 I/L4 1987-1989
Mercruiser 200 (2-bbl) GM 305 (5.0L) V8 1985-1986
Mercruiser 205 (4-bbl) GM 262 (4.3L) V6 1985-1987
Mercruiser 228 (4-bbl) GM 305 (5.0L) V8 1977-1984
Mercruiser 228 MIE (4-bbl) GM 305 (5.0L) V8 1977-1980
Mercruiser 230 (4-bbl) GM 305 (5.0L) V8 1985-1986
Mercruiser 250 (2-bbl) GM 350 (5.7L) V8 1977
Mercruiser 260 GM 350 (5.7L) V8 1982-1986
Mercruiser 260 (4-bbl) GM 350 (5.7L V8 1978-1986
Mercruiser 3.0L GM 181 I/L4 1987-1989
Mercruiser 300 TEMPEST GM 350 (5.7L) V8 1985-1986
Mercruiser 898 (2-bbl) GM 305 (5.0L) V8 1977-1984