Godfrey Collar Zinc 4” – Propeller Shaft Marine Anode
SKU: 31057704279

Godfrey Collar Zinc 4” – Propeller Shaft Marine Anode

Sale price$161.06 Regular price$178.95
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  • USA
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

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Description

Godfrey Collar Zinc 4” – Propeller Shaft Marine AnodeGodfrey Premium Collar Zinc 4 is a marine shaft anode designed to protect propeller shafts and underwater metal components from galvanic corrosion. This collar zinc installs directly onto the shaft and provides reliable corrosion protection in saltwater environments. Zinc sacrificial anodes are essential in preventing corrosion on metal boat parts that are exposed to seawater and other electrolytic conditions. By sacrificing itself, this zinc anode

Godfrey Premium Collar Zinc 4” is a marine shaft anode designed to protect propeller shafts and underwater metal components from galvanic corrosion. This collar zinc installs directly onto the shaft and provides reliable corrosion protection in saltwater environments.

Zinc sacrificial anodes are essential in preventing corrosion on metal boat parts that are exposed to seawater and other electrolytic conditions. By “sacrificing” itself, this zinc anode protects more valuable metal parts such as the propeller, shaft, and underwater hardware from deteriorating due to electrolysis.

The collar design ensures a secure, tight fit around the shaft, while the high‑quality zinc construction delivers dependable performance for marine use. This two‑piece zinc anode is engineered to be easy to install and maintain, providing long‑lasting protection where it matters most.

Benefits of Godfrey Collar Zinc:

  • Protects propeller shaft from corrosion and electrolysis
  • Extends the lifespan of marine components
  • Secure collar design for reliable fit
  • Easy installation and replacement
  • Suitable for saltwater marine environments

Why choose Godfrey zincs:
Godfrey marine zincs are known for durable construction and consistent performance. Built for demanding marine conditions, they provide dependable corrosion protection for both recreational boats and commercial vessels.

Who it is for:

  • Boat owners
  • Marine technicians
  • Commercial fishing operations
  • Anyone maintaining shaft‑driven vessels

How to use:
Install the collar zinc onto the propeller shaft and tighten securely. Inspect regularly and replace when significantly worn.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 31057704279

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Arthur Rivers
Whiting, US
★★★★★ 4
Looks great
Size: Fit for Silverado 2020-2025 GMC Sierra 2019-2121
Fits great and is heavy enough to stay put. I used the adhesive backing to install as I did not want to drill into my truck but it still works well and I have had no issues with it popping out or anything else.
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Reviewed in the United States on March 31, 2026
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Lawrence Crighton
Phoenix, US
★★★★★ 5
Highly recommend!
Size: Fit for Silverado 2020-2025 GMC Sierra 2019-2121
It’s all metal! Even the arm that holds the phone!!! All metal!!!!! No cheap plastic! You can drill or clean and stick. 2 for mounting. No more breaking air vents and suction cups cheap plastic that falls off the window or rear view mirror holder that blocks your vision. This is definitely worth the money.
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Reviewed in the United States on March 14, 2026
J
Verified Purchase
Joshua M.
Dallas, US
★★★★★ 2
The concept is great, the item is sub par.
Size: Fit for Silverado 2020-2025 GMC Sierra 2019-2121
I bought this for a 2021 Silverado WT thinking I'd be able to screw this into the dash cubby as the adhesive wouldn't servive -50⁰ F Fairbanks winters. Beware, if you own this truck, you have to remove the entire dash assembly to include instrument cluster and infotainment system in order to screw this into the cubby. The cubby on this model is actually apart of the entire upper dash panel and cannot be removed separately as the instructions state. I decided I'd give the adhesive pad a try until I bought some self tapping screws but the mount is not contoured like my cubby, therefore it badly rocks. I don't recommend this to anyone with a 2021 Silverado WT unless they want to spend over 3 hours installing this.
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Reviewed in the United States on May 8, 2026
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Zach Pike
Battle Creek, US
★★★★★ 5
Highly recommend
Size: Fit for Silverado 2020-2025 GMC Sierra 2019-2121
Great fit, looks awesome! Very easy to install !
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Reviewed in the United States on May 19, 2026
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Brian
New York, US
★★★★★ 5
Affordable and well built
Size: Fit for Silverado 2020-2025 GMC Sierra 2019-2121
Perfect fit and well built, saved alot of money going with this!!!! Will be using for GoPros on hunting and camping trips.
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Reviewed in the United States on March 17, 2026

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