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GLM 51240 replacement parts

Exhaust Manifold with Mounting Package for Mercruiser 89011A8, GLM 51240, Barr MC-1-89011 - Sierra
Your Price: $224.33
Save: $37.39
(14% Off $261.72)
Part # 18-1957-1
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Replaces OEM part #
  • MERCURY MARINE 807078A 6
Fits most Mercruiser (GM) V-8 big blocks with center riser, 454 Models 330, 340 & 7.4L, Port & Starboard
Use with:
    Exhaust Manifold Gasket: 18-0418
    Mounting Kit: 18-8532
Manifold, V-8 BB Ctr Riser - Mallory
Your Price: $224.99
Save: $44.01
(16% Off $269.00)
Part # 9-40506
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Manifold - Fits both sides of 454 CID 7.4L V-8 engines - Use mounting kit 9-40575
Replaces OEM part #: 89011
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