Fits
Red Sea REEFER Skimmer 900 (RSK-900)
Part no.
50544
Red Sea Reefer Skimmer Pump 900 Body
Restores full bubble production to a tired skimmer pump. This is the genuine replacement body for the Red Sea REEFER Skimmer 900 (RSK-900) — the acrylic/plastic housing for the needle-wheel impeller. It is specific to the Skimmer 900; the pump motor and impeller are separate parts, not included.
Key features
- Genuine Red Sea body for the REEFER Skimmer 900 pump assembly
- Houses the needle-wheel impeller in the reaction chamber
- Body only — pump motor and impeller sold separately
Specifications
| Spec | Detail |
|---|---|
| Red Sea part number | 50544 |
| Fits | REEFER Skimmer 900 (RSK-900) |
| Component | Body/housing only — no motor |
Will it fit my tank?
| Model | Fits this body |
|---|---|
| REEFER Skimmer 900 (RSK-900) | Yes |
| REEFER Skimmer 600 / 300 | No — different part number |
Compatibility and spares
No supersession is published. Sold individually, not as a kit. The pump motor (Sicce PSK-1200) and impeller are separate parts; fitment to the newer ReefRun DC Skimmer 900 is not confirmed.
Common questions
Does this include the motor?
No — housing only. The pump motor is a separate part.
Will this fit my Reefer 900 sump?
Yes, for the standard Skimmer 900 pump assembly; not confirmed for the DC-pump version.


