Marine Manifolds

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Boat Bits supplies high quality marine manifolds including Stainless Marine Manifolds and Cast Marine Manifolds.  Choose from a wide range of marine manifolds available in a single click.

Items 1-36 of 144

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  1. mercruiser 3 ltr 18-1956-1 18-1956-2  18-1956-3 18-1966
  2. Marine manifolds Mercruiser suit late Model  3.0L 181CID
  3. -14%
    Inlet Manifold 8 bolt Vortec  18-7628 small blockGM
  4. -19%
    Inlet Manifold 8 bolt small blockGM
  5. -27%
    Marine manifolds Dry joint exhaust Mercruiser replacement
  6. -14%
    333299
  7. -16%
    Mercruisser marine Riser suit most Mercruiser V6 & V8 applications  replaces 44354a3 18-1976-2
  8. Riser suit late model Mercruiser 4Cyl Engines18-1975-1
  9. V8 big block maifold 18-1957-1 or Full kits
  10. -27%
    Marine manifolds 3.0L 181CID (for Rochester 5 bolt Pattern) 18-1956-1
  11. -12%
    Marine manifolds suit most late Model  3.0L 181CID (for Rochester 5 bolt Pattern) 18-1955-1
  12. -12%
    SUPER SPECIAL
  13. -12%
    Mercruiser Risers or manifolds suit 4.3L (262 CID) V6 Wet or Dry joint 18--1952-1 18-1842 dry
  14. -19%
    Marine manifolds suit Mercruiser small blocks with end riser 18-1951-1 18-1950-1
  15. -7%
    Marine manifolds Center Riser Manifold suit GM283, 305, 307 and 350 CID 18-1997-1
  16. -21%
    Marine manifolds Center Riser Manifold suit Ford 302 and 351 18-1998-1
  17. SIERRA 18-4226 Blue drain plug
  18. Boat Exhaust Water lock/silencer 100/115mm
  19. Chrysler 318 360 manifold End plate 18-1941
  20. SIERRA 18-4224 MERCRUISER 22-806926A1 DRAIN ELBOW
  21. Y fittings plumbing composite
  22. Marine manifolds Risers kit small block V8 to suit Mercruiser Generic
  23. DRY Joint Manifolds Riser kit small block V8 to suit Mercruiser generic
  24. -21%
    Dry Joint Elbow 6.5" or 8" Riser mercruiser   generic or BARR
  25. -23%
    Turbo V clamps 75mm 89505K S/Steel
  26. -6%
    Marine manifolds Volvo OMC Sierra V6 center riser type manifold 18-1848  port and starboard
  27. -36%
    Mercruiser exhaust flap 807166A1 or Generic 807166A1 each pricing
  28. -27%
    Mercruiser exhaust flap 18-2727 replaces 60930 9-42800
  29. -8%
    Mercruiser exhaust flap 18-2732 replaces 807166A3 9-42802 each

Items 1-36 of 144

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