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Heat Exchanger 3" Gasket Assy

Part #: Z3097
Fits all Universal Diesel engines including the M-25XP that use the (nominally) 3" diameter heat exchanger. The actual diameter of this heat exchanger is 2-3/4". Sold each, so you will need a pair if you are planning on replacing both.
• Gasket for heat exchanger end cap
• O-ring for heat exchanger end cap bolt
• Fits any engine using the 3" heat exchanger
• Does not fit earlier 2" dia heat exchanger (on the original M-25 for example)

• OD: 2-15/16"
• ID: 5/16"
• Thickness:.090
Bolt goes through cover plate than the O-ring and finally the gasket before screwing into the heat exchanger.