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Outboard Switch Box Assembly 7778A12 - Mercury or Mariner 2-Cycle Outboards

Outboard Switch Box Assembly 7778A12 - Mercury or Mariner 2-Cycle OutboardsĀ 

Outboard switch box assembly 7778A12 is for use with three cylinder and six cylinder Mercury or Mariner 2-cycle outboards using ADI (alternator driven ignition) only. See your owner''s manual or service manual for specific applications and replacement instructions. The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine original Equipment replacement engine parts, oils, and accessories, but also works to serve all original Equipment brands in the marine and powersports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind.

  • For use three and six cylinder Mercury or Mariner 2-cycle outboards using ADI (alternator driven ignition) only.
  • Easy to install with common shop tools. Some electronic analytical tools may be needed.
  • Switch box assembly comes with lead wires and connectors for both sides.
  • See your owner''s manual or service manual for specific applications and replacement instructions.
  • Produced by Mercury Marine to our stringent original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser stern drive

Don't know if this part is right for your application? Use our handy Mercury Replacement Parts Finder Tool to check. Make sure you know your Model, Year and Serial Number.

NOTICE: Any images shown are representational ONLY and do not necessarily depict the actual part or included items in a particular part or kit. Mercury has been known to remove items depicted in product images such as screws or gaskets from kits they make without notification. For any product content, fitment or application questions on this part please call Mercury Product Support at 920-929-5040.

MSRP: $385.08
Your Price: $329.99
You Save: 14% off MSRP!

NOTE: This Item is a Non-Stocked, Special Order, OEM Mercury Part.
ALL OEM Mercury parts may take up to 7-10 days to ship. All OEM Mercury parts are NON-RETURNABLE! Orders placed on all OEM Mercury parts are NON-REFUNDABLE! Please contact us with the part number and we can assist you with more accurate delivery time estimate.
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Additonal Info On This Product:

Applications Where This Item Is Used:

150 / 175 / 200 XRI - V-175 (SKI)135/150/175/200/XR6/MAGNUM III - V-175
75/90 HP (3 CYLINDER) - 90 (3 CYL.)FORCE 1991 90 HP "B" MODELS - 90 H.P. (1991 L-DRIVE)
135/150/175/200/XR6/MAGNUM III - 140 JET150 / 175 / 200 XRI - V-150XRI (EFI)
135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - V-175250/275 HP - 250/275
135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - 140 JET135/150/175/200 XR6 MAGNUM III 105-140 JET - MAGNUM III
90 HP FORCE - 90 H.P. (1991-1992)150/175/200 EFI - V-175 (EFI)
150/200 EFI PROMAX/SUPERMAGNUM - 150/200 EFI PRO MAX/SUPER MAGSPORT JET 90 - 90 (JET DRIVE) 1993
135/150/175/200/XR6/MAGNUM III - XR-6135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - MAGNUM III
FORCE 1991 90 HP "D" MODEL L-DRIVE - 90 H.P. (1991 L-DRIVE)135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - V-150
150/175/200 EFI - V-150 (EFI)135/150/175/200 XR6 MAGNUM III 105-140 JET - XR-6
200 EFI PROMAX/SUPERMAGNUM - 200 EFI PRO MAX/SUPER MAG70 HP - 70 H.P. (1991-1995)
FORCE 90 HP1991 - 90 H.P. (1991)175 HP V-6 (1976-1988 COMBINED BOOKS) - V-175
SPORT JET 90 - 90 (POWERHEAD - NON OIL INJECTION) 1994SPORT JET 90 - 90 (POWERHEAD - NON OIL INJECTION) 1993
90 HP FORCE - 90 H.P. (1991-1994)225 EFI PROMAX/SUPERMAGNUM - 225 EFI PRO MAX/SUPER MAG
SPORT JET 90 - 90 (JET DRIVE) 1994135/150/175/200 XR6 MAGNUM III 105-140 JET - V-175
135/150/175/200/XR6/MAGNUM III - V-150135/150/175/200 XR6 MAGNUM III 105-140 JET - 105 JET
135/150/175/200 XR6 MAGNUM III 105-140 JET - V-200135/150/175/200 XR6 MAGNUM III 105-140 JET - 140 JET
75/90 HP (3 CYLINDER) - 75 (3 CYL.)150 / 175 / 200 XRI - V-150 (MAG/EFI)
135/150/175/200/XR6/MAGNUM III - 105 JET225 (EFI) PRO-MAX/SUPER MAGNUM - 225 EFI PRO MAX/SUPER MAG
135/150/175/200/XR6/MAGNUM III - MAGNUM III135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - XR-6
175 SKI (EFI) (V-6) - V-175 (SKI)150/200 PRO-MAX/SUPER MAGNUM (EFI) - 150 EFI PRO MAX/SUPER MAG
SPORT JET 90 - 90 (POWERHEAD - OIL INJECTION) 1994135/150/175/200 XR6 MAGNUM III 105-140 JET - V-150
135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - V-200135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - V-200
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