
Maytronics Dolphin Cartridge Locking Hook – Part #9980731 Genuine
Description
Maytronics Dolphin Cartridge Locking Hook – Part #9980731 Genuine
Description:
The Maytronics Dolphin Cartridge Locking Hook (Part #9980731) is a genuine replacement part designed to secure filter cartridges in place, ensuring your robotic pool cleaner operates at peak performance. Durable and easy to install, this hook keeps the cartridges locked properly for efficient filtration.
Key Features:
Genuine Maytronics Dolphin replacement cartridge locking hook
Part #: 9980731
Ensures cartridges stay securely in place
Durable construction for long-lasting reliability
Easy installation for quick maintenance
Designed for multiple Dolphin robotic pool cleaners
Product Details:
Brand: Maytronics
Model: Cartridge Locking Hook
Part Number: 9980731
Category: Pool Cleaner Replacement Parts
Type: Cartridge Filter Component
Condition: New
Specifications:
Type: Locking Hook for Filter Cartridges
Function: Secures cartridges, prevents loosening during operation
-
Compatibility (Fits Models):
Dolphin Supreme M4, M5, M200, M400, M500
Dolphin Liberty
Dolphin Wave 65, Wave 90
Dolphin C3, C4
Dolphin Oasis Z5
Dolphin Triton Plus
Dolphin Nautilus Plus
Package Includes: 1 x Cartridge Locking Hook (Part #9980731)
Shipping & Returns
Shipping: We ship within the United States only, using USPS, FedEx, and UPS. Enjoy free shipping on all orders.
Orders ship within 1 to 2 business days, and delivery typically takes 4 to 6 business days after shipping, for a total of about 5 to 8 business days from your order date.
Tracking information is emailed once your order ships. We do not currently offer international shipping. See our full Shipping Policy for full details.
Returns: Unused items in their original packaging may be returned within 30 days of delivery. A restocking fee applies to change-of-mind returns, and defective, damaged, or incorrect items are returned free of charge. See our full Refund and Returns Policy for full details.
Warranty
Warranty Assistance:
If the product is past the 30-day return window, we are still willing to assist with warranty claims. Please contact us for more information, and we will help guide you through the warranty process
Real Reviews from Our Customers
Reviews are collected from verified purchasers with Trustpilot.

Delivering Excellence in Pool Products & Service
Why Choose National Pool Supply?
We’re dedicated to providing only the best pool products, sourced from top brands. At National Pool Supply, your pool’s care is our priority, and we’re here to make your experience effortless.




