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Product Information
The Tusa Dive Fins Strap Assy Adjust Side Buckle is a replacement fin strap assembly from Tusa, finished in white and built with an adjustable side buckle design, identified by manufacturer part number TC-306.
Who it is for
This strap assembly is for divers who need to replace a worn, cracked, or lost fin strap on compatible Tusa dive fins rather than buying a new pair of fins outright. Because it uses an adjustable side buckle, it suits divers who want to fine-tune strap tension.
Key details
- Brand: Tusa
- Product type: Dive Fins - Accessories (strap assembly)
- Color: White
- Buckle style: Adjustable side buckle
- Manufacturer part number (MPN): TC-306
- Barcode/UPC: 685193448169
Because Tusa does not list this part number in its current online spare-parts catalog, exact material, length, and fin-model fit should be confirmed before ordering.
Compatibility and sizing
Specific fin model compatibility is not published by Tusa for this part. If you are matching this strap assembly to a particular Tusa fin, it is best to confirm fit before purchase.
DiveCatalog.com is an authorized Tusa dealer and has been a dive shop in Irvine, California since 2003. Call or chat with us at 888-701-4017 if you need help confirming which Tusa fins this strap assembly fits.
- Replacement strap assembly: A fin strap assembly for replacing a worn or damaged strap on compatible Tusa dive fins.
- Adjustable side buckle: Uses a side buckle design that lets you adjust strap tension for a secure heel fit.
- White finish: Supplied in white, per the product description for this part number.
- Part number: Listed under manufacturer part number TC-306 for identification when ordering.
- Easy identification: Listed under barcode/UPC 685193448169 for quick reference at checkout.
| Brand | Tusa |
| Product Type | Dive Fins - Accessories |
| Part Name | Strap Assy Adjust Side Buckle |
| Color | White |
| Buckle Style | Adjustable side buckle |
| Manufacturer Part Number (MPN) | TC-306 |
| Barcode/UPC | 685193448169 |
⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Frequently Asked Questions
What Tusa fins is the TC-306 strap assembly compatible with?
Tusa does not publish a specific fin model compatibility list for part number TC-306 on its official site. Because fin strap attachment points vary by model, confirm fit with the fin model you own before ordering. DiveCatalog.com can help verify compatibility by phone or chat.
Is the TC-306 a genuine Tusa replacement part?
TC-306 is the part number on this listing, but TUSA does not publish it online, so we cannot confirm its status. Contact us for help.
Does the TC-306 come with both the buckle and the strap?
The part is described as a strap assembly with adjustable side buckle; exact contents are not published by TUSA. Contact us to confirm.
What color does the TC-306 fin strap come in?
This strap assembly is supplied in white.












