Replacement Heater Core for Red Dot Heater Unit - 6'' x 13 1/2'' x 1 7/8''Replacement Heater Core for Red Dot Heater Unit 6'' x 13 1 2'' x 1 7 8'' 76R1510, RD 1 0771 1P TYPE: Heater Core CORE WIDTH: 1 7 8'' CORE HEIGHT: 6'' FITTING INLET: 5 8'' FITTING OUTLET: 5 8'' CORE LENGTH: 13 1 2'' Replacement Core for Red Dot Unit # R 8545 6'' High x 13 1 2'' Long x 1 7 8'' Wide OEM Numbers 76R1510, RD 1 0771 1P Specifications Product Condition: New 100% brand new and high quality. The product is the same size as the original part,