Owner’s manual
How do you remove the filter from a Craftsman wet dry vac?
To remove the filter on your Craftsman wet/dry vacuum model 12512004, unplug the vac, unlatch and lift off the power head, then remove the retainer nut and slide the cartridge filter straight off the filter cage. Use the steps in the 12512004 owner's manual for the exact filter style on your unit.
Step-by-step: removing the cartridge filter
- Unplug the power cord from the outlet.
- Undo the latches and lift the power head off the collection tank.
- Turn the power head upside down on a clean, flat surface.
- Remove the retainer nut (turn counterclockwise).
- Slide the cartridge filter off the filter cage.
- Reinstall by sliding the filter back on, seating the gasket, then tightening the retainer nut snug (do not overtighten).
Cleaning tips after you remove it
For dry debris, we recommend cleaning the cartridge filter regularly for best suction.
- Gently tap the filter against the inside wall of a container to knock off dust
- Use a soft brush to loosen packed debris
- Let the filter dry completely if it got damp
- Keep a spare filter on hand if you vacuum fine dust often
Cartridge filter styles (what you will see)
Your 12512004 manual shows two common cartridge filter tops; removal is the same (retainer nut off, filter slides off).
| Filter style | What’s different | What stays the same |
|---|---|---|
| Rubber top | Gasket seats around the base of the filter cage | Retainer nut secures the filter |
| Plastic top | Flat end faces the power head | Retainer nut secures the filter |
Why it matters
Running the vac without the cartridge filter during dry pickup can quickly damage the motor and causes a big drop in filtration and suction. Proper removal and cleaning keeps airflow strong and helps protect the power head.
Last updated: February 2026
Who manufactures Craftsman vacuums?
For the Craftsman 12512004 wet/dry vacuum, the brand owner listed in the operator documentation is Sears Brands Management Corporation; Craftsman is the brand name on the product, and manufacturing can vary by model and production run. For service, parts, and safe operation details, use the 12512004 operator's manual.
What you can rely on for this model
- The operator documentation for model 12512004 identifies Sears Brands Management Corporation as the company behind the Craftsman-branded product documentation.
- Craftsman is a brand; different Craftsman vacuums can be produced by different manufacturers depending on the specific model.
- For parts fit and compatibility, the model number matters more than the brand name alone.
How to identify the maker on your specific unit
Check the product label (often on the tank, power head, or near the cord wrap) for:
- The model number (should read 12512004)
- A manufacturer/importer line (company name and address)
- The electrical rating (amps/volts)
- A date code or serial number
Common “manufacturer” terms (quick guide)
| Term on label | What it usually means | Why it matters |
|---|---|---|
| Brand (Craftsman) | The name marketed to customers | Helps you find the right product family |
| Model number (12512004) | The exact design/version | Ensures correct parts and instructions |
| Manufacturer/importer | The company responsible for production or distribution | Useful for support and compliance info |
Why it matters
Wet/dry vac parts and accessories (filters, floats, nozzles, wands) are model-specific. Using the correct model number helps you match items like the float 551005103 and avoid fit issues or performance problems.
Last updated: February 2026
What is the list of vacuum cleaner parts?
For the Craftsman wet/dry vacuum model 12512004, the main parts list includes the power head (motor and switch), collection tank, hose and accessories, and the filtration and safety shutoff pieces (cartridge filter system and float). For diagrams and part callouts, use the 12512004 operator’s manual.
Common parts you will see on a wet/dry vacuum
These are the most common components customers replace or troubleshoot on a shop vac like the Craftsman 12512004:
- Power head (motor housing, switch, cord)
- Collection tank (canister) and latches
- Vacuum port and hose connection
- Hose, extension wands, and nozzles
- Cartridge filter system (filter, cage, retainer)
- Float (helps prevent overfilling during wet pickup)
- Casters and feet (mobility and stability)
Model 12512004 parts you can order by name
These are examples of model-matched parts and accessories commonly used for maintenance and everyday cleanup:
- Shop vacuum filter cage assembly 551006104 (supports the cartridge filter)
- Float 551005103 (wet pickup shutoff protection)
- Shop vacuum caster and foot 551015104 (rolling base hardware)
- Shop vacuum extension wand 16808 (reach and control)
- Shop vacuum floor nozzle 16577 (wide pickup on hard floors)
- Shop vacuum utility nozzle 16576 (general-purpose pickup)
Quick “parts list” by function
| Function | What it includes | What you notice when it fails |
|---|---|---|
| Suction and airflow | Motor, power head, hose, nozzles | Reduced suction, unusual vibration, poor pickup |
| Filtration | Cartridge filter and filter cage | Dust blowing out, clogging, reduced efficiency |
| Wet protection | Float and tank level control | Vacuum shuts off early or allows water toward motor |
| Mobility and handling | Handle, casters/feet | Hard to move, tips easily, awkward to carry |
Why it matters
Using the correct part type for the job prevents common problems. For example, dry pickup requires the cartridge filter installed correctly, and wet pickup relies on the float system to help protect the motor. Keeping filters clean also helps prevent reduced efficiency and dust leakage.
Last updated: February 2026
Where to find model number on Craftsman Wet Dry Vac?
On the Craftsman wet/dry vacuum model 12512004, the model number is printed on the serial plate (rating label) located on the vacuum. Check the outside of the collection tank or power head area for a rectangular label with the model and other electrical information; confirm the format in the 12512004 operator’s manual.
Where to look on the vacuum
Most Craftsman wet/dry vacs place the serial plate where it stays readable but protected from debris. On model 12512004, check these common spots first:
- On the collection tank exterior (upper half of the tank)
- Near the power head (motor cover) on the outside surface
- Around the rear of the tank near the cord wrap area
- Near the handle mounting area
- Close to the caster/foot base area
What the label looks like
The serial plate is usually a printed sticker or metalized label. It typically includes:
- Model number (for example, 125.12004 or 12512004)
- Electrical rating (volts/amps)
- Safety markings (often “double insulated”)
- Serial number and manufacturing information
Quick ID tips (so you order the right parts)
Use the model number from the serial plate when selecting parts like filters, floats, and attachments.
| If you see… | Use this when ordering | Why it helps |
|---|---|---|
| 125.12004 | Model 12512004 | Same model; punctuation varies by label |
| A different 125.xxxxx number | That exact model | Parts can change by revision |
| No label or it is unreadable | Compare parts visually | Confirms fit before you buy |
Why it matters
Craftsman wet/dry vac parts are model-specific; the correct model number helps match the right filter system, float shutoff, hose/nozzles, and hardware so the vacuum seals properly and runs safely.
Last updated: February 2026
