Maytronics Diagnostic Basic Stopper Ring – 3885000 Genuine Dolphin Pool Cleaner

Maytronics Diagnostic Basic Stopper Ring – 3885000 Genuine Dolphin Pool Cleaner Part

Description
The Maytronics Diagnostic Basic Stopper Ring (Part No. 3885000) is a small yet essential component designed to maintain the efficiency of your Dolphin robotic pool cleaner. This rubber stopper ring seals the wheel bearing to the motor, preventing leaks and protecting against water intrusion. Built from durable, chemical-resistant rubber, it withstands high temperatures and pressure conditions common in pool cleaning. Replacing a worn or damaged stopper ring helps prevent leaks, reduces wear, and extends the life of your Dolphin cleaner.

Key Features

• Durable Construction – Made of high-quality, chemical-resistant rubber

• Leak Prevention – Provides a tight seal for wheel bearings to motor assembly

• Reliable Performance – Withstands high temperatures and pressure in pool environments

• Easy Replacement – Simple to install, fits securely as a direct replacement part

• Extends Cleaner Life – Protects motor and bearings by maintaining proper sealing

Product Details

• Brand: Maytronics

• Part Type: Stopper Ring

• Part Number: 3885000

• Material: High-quality rubber

• Function: Seals wheel bearing to motor to prevent leaks

• Compatibility: Dolphin Oasis Z5i, Dolphin Premier, Dolphin DX3, DX4, DX5+S, Dolphin Triton Plus, Dolphin Sigma, Dolphin Wave 100 (2018), Dolphin H80, Dolphin H50

Shipping: We offer free standard shipping on all orders within the contiguous United States (lower 48). We do not currently ship to Alaska, Hawaii, or Puerto Rico. Any other restrictions will be shown at checkout. We do not currently ship internationally. 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. To start a return, request a Return Merchandise Authorization (RMA) by emailing support@nationalpoolsupply.com or calling +1 978-222-0628 with your order number and the reason for the return (include photos if the item is defective, damaged, or incorrect). Once your RMA is approved, ship the item with your RMA number to: DHB Enterprises LLC / National Pool Supply, 30 Log Bridge Rd, Building 300, Unit 301, Middleton, MA 01949. Change-of-mind returns: you pay return shipping, and a 15% restocking fee applies; original shipping costs are not refunded. Defective, damaged, or incorrect items reported within 30 days of delivery are returned at no cost to you with a prepaid label, and no restocking fee applies. See our full Refund and Returns Policy for full details.

Manufacturer Warranty:
This product carries the manufacturer's warranty, where applicable. Warranty terms, coverage, and exclusions are set by the manufacturer. Warranty claims are filed directly with the manufacturer; we do not process warranty claims or offer a separate warranty of our own. If you need the manufacturer's contact details, contact us and we will share them. See our Warranty page for details.