Part Number 15720

GM Thermostatic Sandwich Adapter Kit with 1/2" NPT Ports


High quality die-cast aluminum thermostatic sandwich adapter with 1/2" NPT ports and an O-ring diameter of 3 1/2", this adapter provides external oil lines to allow the addition of an engine oil cooler to most 1963-2007 GM V-8 engines. It installs between the stock engine oil filter landing and the oil filter. Stock filter is retained. Kit includes sleeve nut and hose barb fittings.

  • Provides external oil lines for oil coolers without relocating the factory oil filter
  • Cast form high quality aluminum
  • Maintain factory equivalent oil filter
  • GM Type C Sandwich Adapter with 13/16"-16 thread size, fits most applications *see application guide for specific applications
  • GM applications with 3-1/2" O-ring/filter diameter
  • Complete Kit includes 1/2" hose barb fittings, sandwich adapter, sleeve nuts & O-ring
  • Sandwich Adapter type: C
  • Adapter thread size: 13/16"-16
  • Adapter o-ring size: 3-1/2"
  • Adapter thickness: 2-1/4"
  • Adapter inlet size: 1/2" NPT
  • Aluminum Barb size: 1/2"

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