Boat Leveler Mfg Co Hydraulic Trim Tabs 11-7/8 x 7-7/8 and Actuator Cylinders Intake Manifolds 996-6187A4 ---- Generally Found on

996-6187A4 ---- Generally Found on all "470" models 1976-1989 (Specifically 1976-1984 but I don't think there were any major changes and all of the part numbers supersede)

Mercury & Mariner 4cyl outboards (40hp & 30 Jet) Serial Number 0C159200 Thru 0G589999

Will Work For OMC and Volvo Penta as well

Appears this was used on quite a few other similar 4cyl Volvo Penta Engines from this time period

but really great overall shape

Boat Leveler Mfg Co Hydraulic Trim Tabs 11-7/8 x 7-7/8 and Actuator Cylinders Intake Manifolds 996-6187A4 ---- Generally Found onItem Details Trim Tabs & Actuators Assembly for the Boat Leveler Manufacturing Company Hydraulic Trim Tab System Hydraulic Actuators (x2) Thru Transom Hose Covers Stainless Steel Trim Tabs (Roughly Measures 11 7 8 x 7 7 8) General Application Compatibility Mid Late 90's boats (Bayliner, Celebrity, Larson etc) These are not as prevalent as Bennett Trim tab systems, but aren't entirely uncommon either. Other Details Freshwater Used Parts See pictures to