Maytronics Dolphin Bottom Lid Assembly & Rails 99919116

Robotic Pool Cleaner Bottom Lid Assembly

Maytronics Dolphin Bottom Lid Assembly & Rails 

Genuine Maytronics replacement bottom lid assembly with support rails for compatible Dolphin robotic pool cleaners.

Warranty Information

1-Year Manufacturer Warranty

Ultimate Pools is your first point of contact for compatibility verification, installation guidance, and warranty support.

The Maytronics Dolphin Bottom Lid Assembly & Rails (99919116) is a genuine replacement component for select Dolphin automatic pool cleaners. This assembly supports the cleaner’s lower filter area and helps maintain proper debris collection during operation.

Use this replacement assembly when the original bottom lid or support rails are worn, cracked, damaged or no longer securing the filter compartment correctly. Verify the complete cleaner model and product number before ordering to ensure proper fitment.

Key Features

Genuine Maytronics Part
Authentic replacement assembly manufactured for compatible Dolphin robotic pool cleaners.Bottom Lid Assembly
Replaces the lower lid component that supports the cleaner’s filter compartment.Includes Support Rails
Supplied as a lid and rail assembly for the confirmed cleaner configurations.Supports Debris Collection
Helps maintain proper positioning of the lower filtration and debris collection area.Replacement Maintenance Part
Suitable for replacing worn, cracked, damaged or missing original components.Model-Specific Fitment
Verify part number 99919116 and the cleaner’s complete product number before ordering.

Compatibility & Fitment

Confirmed compatible cleaner models and product numbers include:

• Dolphin Advantage Plus: 99996336-ADVP
• Dolphin Apollo: 99996046-US, 99996046-USDEMO, 99996343
• Dolphin Apollo Plus: 99996053-US, 99996053-USDEMO, 99996059-US, 99996059-USDEMO
• Dolphin Atlantis: 99996303-DEMO
• Dolphin Atlantis Basic: 99996303
• Dolphin DLX 3: 99996311, 99996311-DEMO, 99996311-TRV, 99996313-TRV
• Dolphin DX3: 99996333-DX3, 99996333-DX3DEM
• Dolphin DX4: 99996343-DX4, 99996343-DX4DEM, 99996376-DX4, 99996376-DX4DEM
• Dolphin H50: 99996373-H50
• Dolphin Pool Up: 99996003-US
• Dolphin Saturn: 99996319-SAT
• Dolphin W20: 99996901-US, 99996904-US, 99996904-USDEMO

Compatibility may vary by production year, configuration and installation. Verify your exact model and part number before ordering.

Applications

• Replacement of a cracked or damaged bottom lid
• Replacement of worn or broken support rails
• Restoring proper filter compartment support
• Robotic pool cleaner maintenance and repair
• Refurbishment using a genuine Maytronics component

Inspect the filter bag or filter assembly, clips and adjoining cleaner body components before replacement. Confirm the exact cleaner model and product number prior to ordering.

Specifications

Frequently Asked Questions

Which Dolphin cleaners use this bottom lid assembly?
Part 99919116 is confirmed for the cleaner models and product numbers listed in the Compatibility & Fitment section.What is included with this replacement part?
This product is supplied as a bottom lid assembly with support rails.When should the bottom lid assembly be replaced?
Replacement may be required if the original lid or rails are cracked, damaged, missing or no longer supporting the filter compartment correctly.Can a damaged bottom lid affect debris collection?
A damaged or poorly secured bottom lid may interfere with the filter compartment and the cleaner’s ability to retain collected debris.What warranty is included?
The Maytronics 99919116 bottom lid assembly includes a 1-year manufacturer warranty.