

Maytronics M400/500 Filter Door Assembly – Dolphin 9991047-ASSY
Description
Maytronics M400/500 Filter Door Assembly – Dolphin 9991047-ASSY
Description:
Genuine Maytronics Filter Door Assembly for select Dolphin robotic pool cleaners. This replacement part ensures secure closure of the filter compartment, maintaining optimal cleaning performance.
Key Features:
Genuine Maytronics replacement part
Part Number: 9991047-ASSY
Fits Dolphin M400, M500, Supreme M4/M5, and Liberty pool cleaners
Durable construction for long-lasting use
Ensures proper filter door function and cleaner efficiency
Specifications:
Brand: Maytronics
Part Type: Filter Door Assembly
Compatible Models: M400, M500, Supreme M4, Supreme M5, Liberty
Material: OEM-grade plastic
Color: Standard OEM
Category: Pool Cleaner Parts
Shipping & Returns
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.
Warranty
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.

Pool and Spa Parts & Supplies
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We're dedicated to offering pool and spa products from leading brands. At National Pool Supply, your pool’s care is our priority, and we’re here to make your experience effortless.




