Drive System

All #1 units with ridge (S/N 3469428 & UP)

Replaces: Mercruiser: 60932A1, 60932A4; Bombardier: 0508703, 0775540

Replaces: 10-31700

Replaces: 1623-5356A4

For: R Style

Replaces: Mercruiser: 191-194-, 194, 817276, 817276-1, 8172761, 8172763, 8M0204709; Honda: 19231-ZW1-003

 Engines: BF75AT • BF90AT

Model / OEM: 19231-ZW1-003

Brand: Recmar

Replaces: 816607

Replaces: N/A

Starboard

Replaces: Mercruiser: 815954A3, 815954A7, 8M0108278, 8M0118959

ALPHA ONE GEN II

Measures upper drive gear clearance on MC-I; R-MR; Alpha One; and Alpha one, Gen Two drive units.

Replaces: 91-60523

Replaces: 18-20233, 29641, 53-29641

  For: Gen II

Replaces: 23-30617A2

Mercruiser & Alpha 1 (S/N 1684188 & UP)

Exhaust Tube

3" I.D.

Replaces: Mercruiser: 32-90949T, 90949, 90949T; Bombardier: 0508712, 0775483

Diameter: 3” (76 mm)

Replaces: 33981T