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Performance Metals Navalloy® aluminium Trim Tab Anode used on most Mercury and Mariner outboards 35hp and up and Mercruiser Alpha 1 outdrives. Replaces Mercury 31640Q 4 and Honda 41107-ZW1-003ZA.
This anode includes the exclusive, patented "red spot" wear indicator and is manufactured to the military specification MIL-DTL 24779, making it suitable for use in all water types - salt, brackish or fresh. This product comes with mounting hardware and installation instructions.
Note: Aluminium anodes are supplied as standard with Mercury and Mercruiser drives. Use of zinc anodes will invalidate the warranty.
Navalloy anodes will last up to 30% longer than zinc and up to 4 times longer than magnesium!
Can be used on any type of hull material - aluminum, steel, fibreglass or wood
Suitable in all water types - salt, brackish and fresh
Can be left permanently immersed or used on boats that are regularly lifted in and out of the water
Patented Red Spot Wear Indicator - when the red spot appears, it’s time to change
Navalloy anodes are 20 times more eco-friendly than zinc anodes
Why Buy From Us?
We have sold thousands of marine products so far and have a track record of happy customers. Here are some of the reasons people choose us:
Join our happy customer base and contact our experts for guidance on finding the perfect product for you.
We make sure to list our stock so you know upfront when your order will be with you, most items we send are sent on next-day service as standard however some orders to harder-to-reach locations such as Scottish Islands or Channel Islands may go on a 48-hour delivery to keep delivery costs to a minimum.
Due to the wide range of items we sell shipping costs can vary such as heavy batteries and inflatable boats require a pallet. To see the shipping cost of items use our shipping calculator below.
This is not indicative of the final shipping price, to see that add all your items to your basket or see the delivery costs below.
Delivery costs are as follows - Check the Shipping Type of your product on the 'More Information' tab.
Standard
Mainland UK - £0-150 - £6.5 / £150 - £250 - £3.25 / £250+ - Free
Isle of Mann, Jersey, Gurnsey - £0-150: £15 / £150 - £250: £7.5 / £250+: Free
Hazardous
Mainland UK - £0-150 - £6.5 / £150 - £250 - £3.25 / £250+ Free
Isle of Mann, Jersey, Gurnsey - Unable to ship due to courier restrictions
Long
Mainland UK - £0-500 - £23 / £500+ - Free
Isle of Mann, Jersey, Gurnsey - Please Call for Quote
Inflatable Boat
Mainland UK - £0-500 - £30 / £500+ - Free
Isle of Mann, Jersey, Gurnsey - Please Call for Quote
Heavy Battery
Mainland UK - £0-850 - £26 / £850+ - Free
Isle of Mann, Jersey, Gurnsey - Please Call for Quote
We have a 30-day returns policy so If for whatever reason you are not happy with your order we can exchange it for another or offer a full refund if you log it with us within 30 days of receipt of the goods.
Find out more about our returns policy here.
Style | Outboard Anodes |
Brand | Performance Metals |
Replaces | Mercury 31640Q 4 and Honda 41107-ZW1-003ZA |
Suitable For | Mercruiser |
Primary Construction | Aluminium |
Weight | 0.4 lbs (0.17kg) |
Material | Aluminium |