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Mercruiser 863903A03 V8 Big Block 8.1L (496 MAG) Heat Exchanger Replacement

Mercruiser 863903A03 V8 Big Block 8.1L (496 MAG) Heat Exchanger Replacement

by Mr. Cool
$2,310.00 - $2,310.00
$2,310.00
$2,310.00 - $2,310.00
$2,310.00

Mercruiser 863903A03 V8 Big Block 8.1L (496 MAG)  Heat Exchanger Replacement

Replaces Mercruiser part no. 863903A03

Used on Mercruiser engine:

GM V8 Big Block 8.1L 496 MAG engines.

This heat exchanger has 3.5 inch diameter. For 4 inch diameter see 863903A01

This is a non OEM part MEC 863903A03