OEM MerCruiser 7.4L / 454 / 502 Exhaust Manifold & Riser Bundle "HD Coated" – 807078T10, 807988A03
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OEM MerCruiser 7.4L / 454 / 502 Exhaust Manifold & Riser Bundle...
Description
Description
OEM MerCruiser HD Coated Exhaust Manifold & Riser Kit – 7.4L, 454, 502 Big Block V8
OEM Mercury Marine hot-dip coated exhaust kit designed for MerCruiser big block center riser engines, including the 7.4L (454) and 502 models from approximately 1986–2001.
⚠️ This kit does not include mounting hardware or riser-to-y-pipe gaskets. Those are sold separately. Contact us with your serial number to confirm fitment if you're unsure.
Kit Includes:
(2) MerCruiser HD Coated Manifolds – Part # 807078T10
Includes head-to-manifold gaskets and 90° drain elbows
Replaces: 807078T01, 807078T08, 807078T10, 807078A4, 807078A3
(2) MerCruiser HD Coated 4" Riser Elbows – Part # 807988A03
Replaces: 807988A03, 807988Q03, 807988A02, 807988C, 44354A13, 44354A9, 44354A10, 44354A3
