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MasterCraft Boat Heater Shut Off Kit 556131 | 5/8 Inch Brass

Boat part number 8400787 is a new old stock shut off valve kit from MasterCraft Boats, part number 556131 .
made for MasterCraft Boats
$24.95 MSRP: $33.68
GLS Stock #: 8400787-BX251
13 in stock
Boat part number 8400787 is a new old stock shut off valve kit from MasterCraft Boats, part number 556131 . May be used on other boats.

Kit includes that following:
  • (1) Stut off Valve
  • (2) 1" x 7/8" Threaded Fittings
  • (1) 1 3/4" x 5/8" Fitting
  • (4) 11/25mm Hose Clamps
Constructed out of brass, the valve measures approximately 2 5/8" H x 2" Dia. overall. Hosts (1) 5/8" barbed and (1) 5/8" threaded hose connections.
NOT NPT sizes.

Tag reads: Heater Shut Off Kit RTP/MCX Engine 09-10 Used on Indmar Eng Only

Specifications:
  • Boat Manufacturer: MasterCraft
  • Part Number: 556131
  • Material: Brass
  • Color: Brass
  • Hose Connections: 5/8" Threaded | 7/8" Threaded
  • Overall Dimensions: 2 5/8" H x 2" Dia. (Valve)

Sold as seen in pictures. Customers please note every computer shows colors differently. All measurements are approximate.

Instruction / installation manual not included.

Product Questions

Will this work on a 2007 Mastercraft x15 indmar?
Question by: Dean Thoennes on Aug 1, 2023, 10:40 AM
Hello Dean,

I'm afraid we are not able to cross reference the kit to specific motors. About all we can suggest is to contact either a Mastercraft or Indmar dealer.

Sorry we could not help.

Gene
Answer by: Admin on Aug 1, 2023, 11:06 AM