Mercruiser 8M0157284 Heat Exchanger Replacement 3.0L Mercruiser 8M0157284 Heat Exchanger Replacement 3.0L Replaces Mercruiser part number: 8M0157284, 61086A7 Suits Mercruiser engines: 3.0L closed cooled engines 1 year warranty This is a USA made heat exchanger by Seakamp. MSRP: Was: Now: $1,397.99 Add to Cart