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GLM 51240 replacement parts

Save 36% Off.
Your Price: $176.81
Save: $100.50
(36% Off $277.31)
Part # 18-1957-1
SHIPS TOMORROW!* if ordered in 14 hrs 3 mins.
Hurry! Only 1 left in stock
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Replaces OEM part #
  • MERCURY MARINE 807078A 6
Fits most Mercruiser (GM) V-8 big blocks with center riser, 454 cu.in. Models 330, 340 & 7.4L, Port & Starboard
Use with:
    Exhaust Manifold Gasket: 18-0418
    Mounting Kit: 18-8532
Fall Sale Price: $172.12 (Out of stock)
Save: $96.88
(36% 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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