ID
1404454
$ 13.81
1-2 weeks delivery time
Type:
- Zinc
- Magnesium
- Aluminium
Item:
- 30 g
- 100 g
- 40 g
The Tecnoseal 00807 Series is a sacrificial anode nut designed for Mercruiser Alpha One and Bravo One outdrives, corresponding to OEM part number 55989. Available in zinc (00807), aluminium (00807AL) and magnesium (00807MG), it helps protect compatible sterndrive components against galvanic corrosion. The anode has a domed cylindrical body measuring 30 mm (1.18") in height and 31 mm (1.22") in outside diameter, with a 28 mm (1.10") base diameter and a 1/2" UNC internal thread. The zinc version weighs 0.10 kg (100 g), the aluminium version 0.04 kg (40 g) and the magnesium version 0.03 kg (30 g). All three versions share identical dimensions and thread specifications.
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Tecnoseal 55989 Mercruiser Alpha One & Bravo One Outdrive Anode Nut
The Tecnoseal 00807 Series consists of sacrificial anode nuts designed for Mercruiser Alpha One and Bravo One outdrives. These anodes help protect compatible submerged metal components against galvanic corrosion. According to the Tecnoseal catalogue, the corresponding original part number is 55989.
The anode features a cylindrical body with a rounded dome and an internal threaded mounting hole. It measures 30 mm (1.18") in height, 31 mm (1.22") in outside diameter and 28 mm (1.10") in base diameter, with a 1/2" UNC internal thread. Three material versions are available: zinc, aluminium and magnesium. All share identical catalogue dimensions but differ in weight.
Technical Specifications
Manufacturer Tecnoseal Product Type Outdrive Anode Nut Application Mercruiser Alpha One and Bravo One Outdrives OEM Part Number 55989 Available Materials Zinc, Aluminium, Magnesium Internal Thread 1/2" UNC Body Design Cylindrical with Rounded Dome
Available Versions and Osculati Cross-References
Tecnoseal Part Number Material Osculati Reference Weight 00807 Zinc 43.442.01 0.10 kg (0.22 lbs) 00807AL Aluminium 43.442.11 0.04 kg (0.09 lbs) 00807MG Magnesium 43.442.12 0.03 kg (0.07 lbs)
Dimensions and Mounting
Catalogue Dimension Measurement Height (h) 30 mm (1.18") Outside Diameter (Ø) 31 mm (1.22") Base Diameter (Ø2) 28 mm (1.10") Internal Thread (m) 1/2" UNC
Product Configurations
Tecnoseal 00807 – Zinc Mercruiser Outdrive Anode Nut
- Material: Zinc
- Weight: 0.10 kg (0.22 lbs)
- Height: 30 mm
- Outside Diameter: 31 mm
- Base Diameter: 28 mm
- Internal Thread: 1/2" UNC
- Osculati Reference: 43.442.01
Tecnoseal 00807AL – Aluminium Mercruiser Outdrive Anode Nut
- Material: Aluminium
- Weight: 0.04 kg (0.09 lbs)
- Height: 30 mm
- Outside Diameter: 31 mm
- Base Diameter: 28 mm
- Internal Thread: 1/2" UNC
- Osculati Reference: 43.442.11
Tecnoseal 00807MG – Magnesium Mercruiser Outdrive Anode Nut
- Material: Magnesium
- Weight: 0.03 kg (0.07 lbs)
- Height: 30 mm
- Outside Diameter: 31 mm
- Base Diameter: 28 mm
- Internal Thread: 1/2" UNC
- Osculati Reference: 43.442.12
OEM and Cross-References
- Mercruiser OEM Part Number: 55989
- Tecnoseal 00807 (Zinc): Osculati 43.442.01
- Tecnoseal 00807AL (Aluminium): Osculati 43.442.11
- Tecnoseal 00807MG (Magnesium): Osculati 43.442.12
Key Features
- Sacrificial anode nut for Mercruiser Alpha One and Bravo One outdrives.
- Corresponds to OEM part number 55989.
- Available in zinc, aluminium and magnesium versions.
- Domed cylindrical design with internal threaded mounting hole.
- Height: 30 mm.
- Outside diameter: 31 mm.
- Base diameter: 28 mm.
- Internal thread: 1/2" UNC.
- Identical dimensions across all three material versions.
- Zinc: Tecnoseal 00807 / Osculati 43.442.01 / 100 g.
- Aluminium: Tecnoseal 00807AL / Osculati 43.442.11 / 40 g.
- Magnesium: Tecnoseal 00807MG / Osculati 43.442.12 / 30 g.
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