Anodes

  1. 33% off

    Martyr Mercruiser Outdrive Lift-Ram Horseshoe Sacrificial Anode

    $6.03 - $16.09
    $4.94 - $10.67
    0
  2. 18% off

    Martyr Suzuki Donut Sacrificial Anode - CM5532187J00A

    $6.52
    $5.34
  3. 32% off

    Martyr Johnson & Evinrude Outboard Block Sacrificial Anode - CM398331A

    $8.16
    $5.51
    0
  4. 18% off

    Martyr Mercruiser Outdrive Button Sacrificial Anode

    $6.80 - $7.35
    $5.56
    0
  5. 39% off

    Martyr Rudder & Trim Tab Sacrificial Anode

    $6.84 - $107.79
    $5.59 - $71.65
    22
  6. 18% off

    Martyr Small Teardrop Style Hull Sacrificial Anode

    $7.83 - $8.87
    $6.38 - $7.21
  7. 18% off

    Martyr Suzuki Block Sacrificial Anode - CM5532095310A

    $9.07
    $7.37
  8. 53% off

    Performance Metals "Red Dot" Sacrificial Shaft Anode

    $16.09 - $30.19
    $7.45 - $24.27
    3
  9. 18% off

    Martyr Honda/Yamaha Sacrificial Anode

    $9.55 - $12.64
    $7.76 - $10.24
    0
  10. 19% off

    Martyr Sea Strainer Sacrificial Anode

    $10.05 - $12.82
    $8.16 - $10.37
  11. 43% off

    Martyr Mercury/Mercruiser Sacrificial Anode

    $13.40 - $16.97
    $8.34 - $13.70
    0
  12. 48% off

    Martyr Honda/Mercury Sacrificial Anode

    $10.78 - $17.50
    $8.73
    0
  13. 19% off

    Martyr Hull Plate Sacrificial Anode

    $11.72 - $49.93
    $9.50 - $40.06
  14. 28% off

    Martyr Mercury/Mercruiser/Honda Sacrificial Anode

    $13.57 - $31.60
    $9.68 - $25.40
    0
  15. 58% off

    Performance Metals "Red Dot" Rudder/Trim Tab Anode

    $12.44 - $58.41
    $10.07 - $26.53
    1
  16. 9% off

    Seachoice Rudder & Trim Tab Anode with Allen Screw

    $11.38 - $69.67
    $10.30 - $62.77
  17. 19% off

    Martyr Honda Trim Tab Skeg Sacrificial Anode

    $13.74 - $25.51
    $11.10 - $20.52
  18. 19% off

    Martyr Mercury Bravo III Propeller Nut Sacrificial Anode

    $14.15 - $23.71
    $11.43 - $19.08
  19. 19% off

    Martyr Imperial Streamlined Shaft Sacrificial Anode

    $14.23 - $167.05
    $11.50 - $133.77
    29
  20. 19% off

    Martyr Johnson/Evinrude Cavitation Plate Sacrificial Anode

    $14.84 - $16.46
    $11.99 - $13.29
  21. 19% off

    Martyr Volvo Penta Medium Ring Sacrificial Anode

    $14.90 - $20.70
    $12.03 - $16.67
  22. 19% off

    Martyr Mercury Bravo Trim Tab Sacrificial Anode

    $14.99 - $16.31
    $12.10 - $13.16
  23. 19% off

    Martyr Bolt-On Hull Sacrificial Anode

    $15.02 - $117.63
    $12.13 - $94.22
  24. 19% off

    Martyr Max-Prop Anode

    $15.36 - $38.67
    $12.41 - $31.05
    2
  25. Sleipner Bow Thruster Anode - Aluminum - SM31180A

    $12.85
    5
  26. 19% off

    Martyr Volvo Penta Upper Gearcase Sacrificial Anode

    $16.19 - $23.40
    $13.06 - $18.83
  27. 19% off

    Martyr BRP Johnson/Evinrude Block Sacrificial Anode

    $16.77 - $21.31
    $13.53 - $17.17
  28. 19% off

    Martyr Limited Clearance Sacrificial Shaft Donut Collar Anode

    $17.24 - $65.46
    $13.91 - $52.49
    7
  29. 19% off

    Martyr De-Icer Sacrificial Anode

    $17.38
    $14.02
  30. 19% off

    Martyr OMC Cobra Sacrificial Anode

    $17.50 - $21.92
    $14.12 - $17.65
  31. 19% off

    Martyr Yamaha Gimbal Housing Nut Sacrificial Anode - CM68V1132501A

    $17.72
    $14.29
  32. 9% off

    Seachoice Streamlined Shaft Anodes with Allen Screw

    $16.46 - $111.97
    $14.87 - $100.84
  33. 19% off

    Martyr Mercury Outboard Transom Bar Sacrificial Anode

    $18.52 - $24.46
    $14.92 - $19.68
    0
  34. 49% off

    Martyr Yamaha Skeg Sacrificial Anode

    $26.32 - $40.06
    $15.39 - $32.31
    0
  35. 53% off

    Martyr Mercruiser Outdrive Plate Sacrificial Anode

    $25.02 - $34.44
    $16.11 - $17.70
    0
  36. 19% off

    Martyr Yamaha Bar Sacrificial Anode - CM6H14525102A

    $20.18
    $16.26
  37. 19% off

    Martyr Johnson/Evinrude Bearing Carrier Sacrificial Anode - CM398873A

    $20.75
    $16.71
  38. 49% off

    Martyr Yamaha Sacrificial Anode Kit

    $34.42 - $110.61
    $17.22 - $88.62
    4
  39. 19% off

    Martyr Mercury Bravo I Bearing Carrier Sacrificial Anode

    $21.45 - $34.42
    $17.28 - $27.66
  40. Sleipner Replacement Bow Thruster Aluminum Alloy Anode - SM71190A

    $19.00
    4
  41. 19% off

    Martyr Suzuki Sacrificial Anode Kit - 40-50 HP - CMSZ4050KITA

    $23.92
    $19.25
  42. 19% off

    Martyr Johnson Evinrude Transom Bar Sacrificial Anode

    $24.12 - $30.19
    $19.41 - $24.27
  43. 19% off

    Martyr Nissan/Tohatsu Transom Bar Sacrificial Anode - CM3C7602181A0A

    $25.13
    $20.23
  44. 19% off

    Martyr Yamaha Trim Tab Sacrificial Anode

    $25.15 - $25.87
    $20.23 - $20.80
  45. 19% off

    Martyr Propeller Nut Replacement Sacrificial Anode

    $25.53 - $55.57
    $20.54 - $44.58
  46. 19% off

    Martyr Mercury Driveshaft Housing Sacrificial Anode

    $25.57 - $33.01
    $20.56 - $26.53
  47. 19% off

    Martyr Yamaha Counter-Rotation Skeg Sacrificial Anode

    $25.87 - $55.57
    $20.80 - $44.58
  48. 19% off

    Martyr Metric Clamp Shaft Sacrificial Anode

    $26.63 - $68.26
    $21.41 - $54.73
 
1 / 3Next

About Anodes

Zincs & Anodes

Zincs and boat anodes are the hidden protectors of our boats. Zincs are made in many different shapes and sizes in order to fit where electrolysis attacks the most. Shaft anodes, on the other hand, fit inside tanks and engine blocks in order to do the same thing.

What exactly are marine anodes?

In a nutshell, electrolysis is the effect of electrical current carried through the water and into and through the hull. Electrolysis will eat away at any and almost all metals in your boat. Boat zincs and anodes draw the electrolysis away from the metals and sacrifice themselves to the corrosion.

Rudder zincs, Shaft zincs - boat anodes come in many different sizes.

Shaft anodes usually are made up of two-piece that are fitted together around the shaft. These zincs are available in sizes to fit most propeller shafts. Rudder zincs are flat like a pancake and bolt onto the rudder and hull zincs are also flat and bolt to the hull.

Plug it in and forget it!

Well, that's not necessarily true. Plug it in and check it is better. Keep in mind that zincs should be changed when about 70% corroded. Check them often to get a feel for the corrosion rate, especially if you move marinas or even docks. Water heater anodes should be removed before winterizing and engine anodes can come out if you store your boat and engine.