Polipodio 31640Q4 Mercury MerCruiser Trim Tab Anode for 40–75 HP Outboards Ø90 mm

Name: Polipodio 31640Q4 Mercury MerCruiser Trim Tab Anode for 40–75 HP Outboards Ø90 mm
SKU: Trem L8143350

SKU: Trem L8143350

ID 1406950

$ 30.89

1-2 weeks delivery time

Type:

Zinc
Aluminium

The Polipodio ME001 and ME001AL are sacrificial trim tab anodes for compatible Mercury and MerCruiser 40 EFI, 50 and 75 HP four-stroke outboard engines, corresponding to OEM reference 31640Q4. Available in zinc and aluminium, the anodes feature a circular Ø90 mm plate with an integrated fin, an overall height of 65 mm and a 17 mm base section. The mounting connection is specified as 7/16″ W. These anodes provide galvanic corrosion protection for electrically connected underwater engine components.

Description
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Polipodio 31640Q4 Mercury MerCruiser Trim Tab Anode for 40–75 HP Outboards Ø90 mm – Zinc / Aluminium

The Polipodio ME001 and ME001AL are sacrificial fin trim tab anodes for compatible Mercury and MerCruiser outboard engines, including 40 EFI, 50 and 75 HP four-stroke applications. Both correspond to original replacement reference 31640Q4.

The anode features a circular Ø90 mm plate with an integrated fin, an overall height of 65 mm and a 17 mm base section. The mounting connection is specified as 7/16″ W. Zinc and aluminium versions provide sacrificial galvanic corrosion protection for electrically connected underwater engine components.

Technical Specifications

Parameter	Specification
Manufacturer	Enrico Polipodio
Product Type	Fin / Trim Tab Sacrificial Anode
Compatible Manufacturer	Mercury / MerCruiser
Engine Applications	40 EFI / 50 / 75 HP 4T
OEM Reference	31640Q4
Materials	Zinc / Aluminium
Plate Diameter	90 mm
Overall Height	65 mm
Base Section Height	17 mm
Mounting Thread	7/16″ W

Material Variants and Cross-References

Material	Polipodio	Trem	EAN (Trem)
Zinc	ME001	L8143350	8024827646854
Aluminium	ME001AL	L8243350	8024827647127

Trem model: FM-1. Original reference: 31640Q4.

Compatibility and Maintenance

Designed for compatible Mercury outboards requiring the corresponding trim tab anode, including 40 EFI, 50 and 75 HP four-stroke applications. Match the original part number, dimensions and mounting connection when selecting a replacement.

Inspect the anode during routine maintenance and replace it when significantly depleted or damaged. Follow the engine manufacturer's instructions when installing or adjusting the trim tab.