Tecnoseal 823912 Mercury 4-5 HP Button Anode for Trim Tab Ø20 mm

ID 1404505

$ 14.59

1-2 weeks delivery time

Type:

Zinc
Magnesium
Aluminium

Item:

10 g
4 g
3 g

The Tecnoseal 00823 Series is a sacrificial button anode designed for Mercury 4–5 HP outboard motors, corresponding to OEM part number 823912. Available in zinc (00823), aluminium (00823AL) and magnesium (00823MG), it provides galvanic corrosion protection for compatible marine engine components. The anode features a compact circular washer-shaped body with a central countersunk mounting hole. It measures 20 mm (0.79") in outside diameter, 7 mm (0.28") in height and 6.50 mm (0.26") in mounting hole diameter. The zinc version weighs 0.010 kg (10 g), aluminium 0.004 kg (4 g) and magnesium 0.003 kg (3 g). Additional catalogue cross-references include 00813, 00933, 01127, 01205, 01250, 01904, 01910 and 08403. All three versions share identical dimensions.

Description
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Tecnoseal 823912 Mercury 4-5 HP Button Anode for Trim Tab Ø20 mm

The Tecnoseal 00823 Series consists of sacrificial button anodes designed for Mercury 4-5 HP outboard motors. These compact washer-shaped anodes help protect compatible metallic engine components against galvanic corrosion. According to the Tecnoseal catalogue, the corresponding original part number is 823912.

The anode features a circular body with a central countersunk mounting hole. It measures 20 mm (0.79") in outside diameter, 7 mm (0.28") in height and 6.50 mm (0.26") in mounting hole diameter. Three material versions are available: zinc, aluminium and magnesium. All versions have identical dimensions but differ in weight.

Technical Specifications

Manufacturer	Tecnoseal
Product Series	00823
Product Type	Button Anode for Trim Tab
Application	Mercury 4-5 HP Outboard Motors
OEM Part Number	823912
Available Materials	Zinc, Aluminium, Magnesium
Outside Diameter	20 mm
Mounting Hole Diameter	6.50 mm

Available Versions and Osculati Cross-References

Tecnoseal Part Number	Material	Osculati Reference	Weight
00823	Zinc	43.823.91	0.010 kg (0.02 lbs)
00823AL	Aluminium	43.823.92	0.004 kg (0.01 lbs)
00823MG	Magnesium	43.823.93	0.003 kg (0.01 lbs)

Dimensions and Mounting

Catalogue Dimension	Measurement
Height (h)	7 mm (0.28")
Outside Diameter (Ø)	20 mm (0.79")
Mounting Hole Diameter (Ø1)	6.50 mm (0.26")

Product Configurations

Tecnoseal 00823 – Zinc Mercury Button Anode

Material: Zinc
Weight: 0.010 kg (10 g)
Outside Diameter: 20 mm
Height: 7 mm
Mounting Hole Diameter: 6.50 mm
OEM Reference: 823912
Osculati Reference: 43.823.91

Tecnoseal 00823AL – Aluminium Mercury Button Anode

Material: Aluminium
Weight: 0.004 kg (4 g)
Outside Diameter: 20 mm
Height: 7 mm
Mounting Hole Diameter: 6.50 mm
OEM Reference: 823912
Osculati Reference: 43.823.92

Tecnoseal 00823MG – Magnesium Mercury Button Anode

Material: Magnesium
Weight: 0.003 kg (3 g)
Outside Diameter: 20 mm
Height: 7 mm
Mounting Hole Diameter: 6.50 mm
OEM Reference: 823912
Osculati Reference: 43.823.93

Engine Compatibility

Manufacturer: Mercury
Engine Type: Outboard Motor
Power Range: 4-5 HP
Product Application: Trim Tab Anode

OEM and Catalogue Cross-References

Mercury OEM Part Number: 823912
Additional Tecnoseal Catalogue References: 00813, 00933, 01127, 01205, 01250, 01904, 01910, 08403
Tecnoseal 00823 (Zinc): Osculati 43.823.91
Tecnoseal 00823AL (Aluminium): Osculati 43.823.92
Tecnoseal 00823MG (Magnesium): Osculati 43.823.93

Key Features

Button anode for Mercury 4-5 HP outboard motors.
Corresponds to Mercury OEM part number 823912.
Available in zinc, aluminium and magnesium versions.
Compact circular washer-shaped body with countersunk mounting hole.
Helps provide sacrificial corrosion protection for compatible marine engine components.
Outside diameter: 20 mm.
Height: 7 mm.
Mounting hole diameter: 6.50 mm.
Identical dimensions for all three material versions.
Zinc: Tecnoseal 00823 / Osculati 43.823.91 / 10 g.
Aluminium: Tecnoseal 00823AL / Osculati 43.823.92 / 4 g.
Magnesium: Tecnoseal 00823MG / Osculati 43.823.93 / 3 g.