NA001406 3 by 12 shell Sendure 1448-4-5 replacement
The best exchangers are by Seakamp Engineering, and you can afford it with the AAA MARINE discount price! This one has a 3 by 9 1/2" core and 12" OAL. There is also an upscale version available for longest possible life NA001406CN
$299.97
NA001406CN Perkins upscale marine replacement heat exchanger Sen-dure 1448-4-7
This is the metal and construction update of the original NA001406. The copper/nickel normally adds many years to the exchanger life, and is always worth the small difference in money when dealing with the marine environment.3by12" OAL
NA001831CN Perkins 354 marine replacement heat exchanger
The upscale model for longest possible life. 20 1/2" long and 4" diameter. Discount courtesy of aaamarine.com. This is the very best there is available anywhere in the world!