• Seakamp replacement MerCruiser heat exchanger
• Copper core
• 5" diameter
• 21" long shell
• 1-1/4" raw water inlet
• 1-1/4" raw water outlet
• 1-1/2" coolant inlet
• (2) 1" coolant outlets
• Includes pressure cap, end caps and gaskets, and zinc
• Fits GM V8 454 CID, 7.4L applications (see below)
• Fits various MerCruiser Chevy applications from 1981 through 1997
• Rear mount over transmission
• Replaces Boatman's iNet Marine SKMER44446
• Replaces MerCruiser 44446A2, 44446A 2, 44446A1, 44446A 1, 44446A4, 44446A 4, 44446A5, 44446A 5, 44446A6, 44446A 6, 44446P, 44446
• Replaces Quicksilver 44446A2
• Replaces Sen-Dure 12308-1-5
• Replaces Seakamp 44446

Fits the following MerCruiser applications:

• 1981-1987 Inboard 340 MIE with Borg Warner GM 454 V-8 Serial number 5889914 through 0B788365
• 1982-1987 Sterndrive I/O 330 GM 454 V-8 Serial number 6083145 through 0B816540
• 1982-1987 Inboard 330 GM 454 V-8 Serial number 6083145 through 0B816540
• 1988-1992 Inboard 7.4L MIE with Borg Warner GM 454 V-8 Serial number 0B788366 through 0D715493
• 1989-1992 Inboard 7.4L MIE with Hurth GM 454 V-8 Serial number 0C391564 through 0D715493
• 1992-1996 Inboard 7.4L MIE  (LH) GEN. V GM 454 V-8 Serial number 0D715494 through 0F820141
• 1996-1997 Inboard 7.4L MIE  (LH) GEN. VI GM 454 V-8 Serial number 0F820142 through 0K999999