Sierra MerCruiser 3" Exhaust Riser Elbow MC-20-55538 98504A3 18-1970-1 18-1970-2
$291.32
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Sierra replacement 3" Exhaust elbow for MerCruiser MerCruiser 175-205 GM 229/262 CID V6 (1983+) MerCruiser 200-320 GM 305/350/377 CID V8 Small Block (1983+) MerCruiser 330-370 GM 454/502 CID V8 Big Block (1981+) Comparable Part Numbers: • MerCruiser: 98504A3 • Osco: 8503A • GLM: 51110 • Barr Marine: MC-20-55538 • Sierra: 18-1970-1 SPECS MPN: 18-19701 MPN: 18-19701
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$291.32
(+$9.01)