Dry Joint Riser
Replaces: BARR Marine: MC-20-864591
GLM: 51147
HGE: HGE 4591
Mercury/Mercruiser: 864591T02
Quality Mark: T-20591
Sierra: 18-1845
Fits Mercruiser MCM GM V6, V8 engines with center rise outlet exhaust manifold (2004-Up). 4″ (102 mm) O.D. (Serial #s 0W310000-Up), 2002 + MIE GM V8 (350 & 377 cid) engines with dry joint exhaust manifolds (Serial #s 0M317000-Up).
UPC: 840080499543