BRAND NEW MERCURY QUICKSILVER OEM 43-16279a2 This is a genuine Mercury Marine Quicksilver factory OEM part, not aftermarket The 43‑16279A2 (16279A2) forward gear assembly is designed for several Mercury/Mariner 2‑stroke carbureted and EFI outboard engines-specifically V‑135 through V‑200 models and the XR‑4/6 series. It fits various engine serial ranges, which I've organized below: COMPATIBLE ENGINES: MAGNUM II - 0C239553 THRU 0D081999 MAGNUM II - 0B242885 THRU 0C100860 MAGNUM II - 0C100861 THRU 0C239552 MAGNUM III - 0D082000 THRU 0G303045 V-135 - 0C239553 THRU 0D081999 V-135 - 0D082000 THRU 0G303045 V-150 - 0C239553 THRU 0D081999 V-150 - 0D082000 THRU 0G303045 V-150 (MAG/EFI) - 0D082000 THRU 0G303045 V-150XRI (EFI) - 0D082000 THRU 0G303045 V-175 - 0C239553 THRU 0D081999 V-175 - 0D082000 THRU 0G303045 V-175 (MAG/EFI) - 0D082000 THRU 0G303045 V-175 (SKI) - 0D082000 THRU 0G303045 V-175XRI (EFI) - 0D082000 THRU 0G303045 V-200 - 0D082000 THRU 0G303045 V-200 (2.5L) 1991 ONLY - 0C291520 THRU 0D081999 V-200 (MAG/EFI) - 0D082000 THRU 0G303045 V-200XRI (EFI) - 0D082000 THRU 0G303045 XR-4 - 0C239553 THRU 0D081999 XR-4 - 0B242885 THRU 0C100860 XR-4 - 0C100861 THRU 0C239552 XR-6 - 0D082000 THRU 0G303045 150 EFI PRO MAX/SUPER MAG - 0D935000 THRU 0G610049 150/200 EFI PRO MAX/SUPER MAG - 0G610050 THRU 0G856999 200 EFI PRO MAX/SUPER MAG - 0D935000 THRU 0G610079 105 JET - 0D082000 THRU 0G303045 140 JET - 0D082000 THRU 0G303045 SPECIAL PRICE FOR CLEARANCE INVENTORY This is in new condition please see pictures for the exact item you will receive.