LE 4019958 CN replacement Cummins Heat Exchanger.
Made with pride in the USA by LENCO. Cupro-nickel for a longer lasting more durable unit, superior to standard copper made units. The Cupro-nickel tube bundle is brazed to the baffles and headers for a more durable commercial grade unit. Replaces older Cummins part numbers 3914642, 3866719, 4019958. Replaces Sen-Dure 9778-1-7.
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Also available in an economy copper version.