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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
For Your Every Summer RSVP, with Code: SUMMER15
Description
Tecnoseal R4 Rudder Anode - Zinc - 5" Diameter x 5/8" Thickness [R4]Rudder Anode Material: Zinc Outer Diameter: 5" Height: 0. 60" Weight: 3. 10lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut is a great feature for underwater installations Specifications: Material: Zinc Box Dimensions: 3"H x 5"W x 5"L WT: 3. 1 lbs UPC: 8033837069911 Quick Guide (pdf) Owner's Manual (pdf) Brochure (pdf)
![Tecnoseal R4 Rudder Anode - Zinc - 5" Diameter x 5/8" Thickness [R4] Tecnoseal R4 Rudder Anode - Zinc - 5" Diameter x 5/8" Thickness [R4]](https://cdn.shopify.com/s/files/1/0629/5797/7856/products/51617XL.jpg?v=1644933497)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.5 ★★★★★
Based on 156 reviews
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Product Reviews
★★★★★ 5
Good
Configuration: 4-Stroke, Size: 1 GA, Case of 3
Good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
★★★★★ 4
Oily situation lol
Configuration: 4-Stroke, Size: 1 GA
Honestly how do you write a review of this product? I would have to run tests for years on multiple oils on various engines to do so. The value was good however and shipping was great
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Reviewed in the United States on March 31, 2025
★★★★★ 5
Use the best oil to protect your investment
Configuration: 4-Stroke, Size: 1 GA
Great product.
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Reviewed in the United States on September 30, 2025
★★★★★ 5
Excellent quality
Great quality kit
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Reviewed in the United States on December 24, 2025
★★★★★ 5
Boating maintenance
Perfect replacement parts for your scheduled maintenance, great price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 25, 2025

![Tecnoseal Z406 Hull Plate Anode - Zinc [TEC-Z-406]](https://cdn.shopify.com/s/files/1/0629/5797/7856/products/51779XL.jpg?v=1644933293)


