Owner’s manual
What company makes Craftsman air compressors?
Craftsman is a brand name, so the company that actually built a Craftsman air compressor depends on the specific model and production run. For Craftsman model 919176730, the maker is identified on the unit’s labels (air tank and motor), and those label details are what we use to match the correct repair parts and service information in the owner's manual.
How to identify who made your 919176730 compressor
We use the identification information printed on the compressor itself (not just the Craftsman name) to determine the original manufacturer.
Check these locations:
- Rear of the air tank: model number label and code number label
- Metal date plate welded to the back side of the air tank (painted the same color as the tank): manufacturer number (MFG. No.) on ASME code tanks
- Motor label/spec plate: motor manufacturer name and motor MFG. number
- Maintenance label on the rear of the air tank: model number reference used for ordering parts
What to write down (so parts match correctly)
Record these items exactly as shown:
- Model number: 919176730
- Code number (from the foil label)
- Manufacturer number (MFG. No.), if present
- Motor manufacturer name
- Motor MFG. number
Quick reference table
| Label item | Where you’ll find it | What it’s used for |
|---|---|---|
| Model number (919176730) | Rear of air tank label | Identifies the Craftsman model family |
| Code number | Rear of air tank foil label | Narrows down the exact production run |
| Manufacturer number (MFG. No.) | Welded metal date plate (ASME tanks) | Identifies the tank/pump manufacturer |
| Motor manufacturer name and MFG. number | Motor label/spec plate | Needed for motor-related service/parts |
Why it matters
Craftsman air compressors were produced by different original equipment manufacturers over the years. Using the tank and motor identification numbers prevents ordering the wrong pressure switch, check valve, regulator, gauges, or pump components for your exact build.
Related DIY help
If you are troubleshooting and the “maker” question came up because the unit is acting up, these guides help you pinpoint the failed component:
Last updated: February 2026
Where can I buy Craftsman replacement parts?
You can buy replacement parts for your Craftsman air compressor model 919176730 by using the model number to match the correct parts list and diagrams, then ordering the exact part number and description shown for your unit. The 919176730 owner's manual also explains what information to provide when ordering.
Best way to make sure you get the right part
Use the identification details your compressor already has so you do not guess.
- Confirm the model number on the label on the rear of the air tank
- Write down the code number from the foil label on the rear of the tank
- If needed, record the motor nameplate details (manufacturer name and motor number)
- Order by part number and part description, not just by what the part looks like
- Match parts to your exact model 919176730 (similar models can use different components)
What to provide when ordering parts
The manual’s ordering section calls out the key details that help ensure a correct match.
| What to provide | Where you’ll find it | Why it matters |
|---|---|---|
| Model number (919176730) | Rear of the air tank label | Ensures the correct parts breakdown |
| Part number | Parts list/diagram for the model | Identifies the exact replacement |
| Part description | Parts list/diagram for the model | Confirms you selected the right item |
| Motor nameplate info (if motor-related) | Motor label/spec plate | Helps match the correct motor service parts |
Why it matters
Air compressors use safety-critical components such as the pressure switch and safety valve. Using the correct replacement with the same pressure rating helps keep the compressor operating safely and prevents damage to the pump, motor, and electrical supply.
Related DIY help
If you are buying parts because the compressor is not running correctly, our troubleshooting content can help you pinpoint what failed before you order.
Last updated: February 2026
Are air compressor parts interchangeable?
Most air compressor parts are not interchangeable, especially on a Craftsman 919176730. Internal and safety-related components (pump parts, pressure switch, safety valve, motor, pulleys, belts, tank) must match the original design and pressure ratings to keep the compressor operating safely and correctly. See the 919176730 owner's manual for the approved parts and specifications.
What you can usually swap (and what you should not)
Some accessories and external connections are more standardized, but you still need to match size and style.
- Often interchangeable (if size/type matches): quick-connect couplers and plugs, air hose, tire chuck, blow gun, basic fittings
- Sometimes interchangeable (verify carefully): regulator, pressure gauges, air line filter, in-line lubricator
- Not interchangeable: compressor pump assemblies, pistons/valves, pressure switch (must match cut-in/cut-out range), safety valve (must match pressure rating), motor, pulleys, belts, air tank
Quick compatibility checklist
Use this checklist before you buy or install any replacement part or accessory.
- Match the model number: 919176730 on the parts list
- Match thread type and size (common shop fittings are NPT, but sizes vary)
- Match pressure rating (especially safety valve and pressure switch)
- Match electrical ratings for motor and pressure switch (voltage/amps)
- Confirm the part is intended as a standard service replacement for this compressor
Common “interchangeable” items vs. model-specific items
| Item type | Typical compatibility | What must match |
|---|---|---|
| Quick-connect sets, air hose | Often universal | Coupler style, thread size, pressure rating |
| Gauges and regulators | Mixed | Port size, range, mounting style |
| Safety valve, pressure switch | Model-specific | Exact pressure rating and operating range |
| Pump, motor, belts/pulleys, tank | Model-specific | Exact design for 919176730 |
Why it matters
Using the wrong pump, tank, or pressure-control part can cause poor performance (won’t build pressure, won’t regulate output) and can overload the motor or electrical supply. The manual also specifies that safety valve or pressure switch replacements must use parts with the same pressure rating, and that motors, pulleys, and belts must be the designed service replacements.
Related troubleshooting help
If you are swapping parts because of a symptom, these guides help you pinpoint the correct component first:
Last updated: February 2026
What is the most common cause of air compressor failure?
The most common cause of failure on a Craftsman air compressor like model 919176730 is poor maintenance that leads to overheating and accelerated wear. In real-world use, that usually shows up as a dirty air filter, incorrect oil level (including overfilling), and running with restricted ventilation.
Top failure causes we see most often
- Dirty or missing air filter: A clogged filter restricts airflow and reduces capacity; running without the filter lets debris damage internal parts.
- Incorrect oil level or oil neglect (oil-lubricated units): Low oil increases wear; overfilling can cause premature compressor failure.
- Overheating from poor ventilation: Blocked guard openings or tight spaces raise operating temperature and shorten motor and pump life.
- Air leaks that force long run times: Leaks at fittings, the check valve, or the pressure switch release valve make the compressor cycle more and run hotter.
- Pressure control problems: A pressure switch set too high or failing components can create unsafe operating conditions and extra strain.
Quick checks that prevent most breakdowns
- Unplug the compressor before inspection or repair.
- Inspect the air filter; replace it if dirty (do not run with it removed).
- Check crankcase oil daily (if your unit is oil-lubricated); keep it at the correct level and never overfill.
- Confirm ventilation openings are clear so the pump and motor can shed heat.
- Listen for leaks; use a soapy water test on fittings and tighten gently (do not over-tighten).
Troubleshooting guide: symptom to likely cause
| What you notice | Most likely cause | What to do first |
|---|---|---|
| Runs hot, shuts off, or seems weak | Dirty filter or poor ventilation | Clean/replace filter; clear airflow paths |
| Constant hiss at unloader/relief area after shutdown | Dirty or defective check valve | Clean or replace check valve |
| Won’t reach normal tank pressure | Leak or worn pump components | Check leaks; then evaluate pump condition |
| Oil mess or heavy oil carryover | Overfilled crankcase | Drain to correct level; refill properly |
Why it matters
Maintenance issues compound fast: restricted airflow and air leaks increase run time, which increases heat, which then speeds up wear on seals, valves, and the motor. Keeping filtration, oil level, and ventilation right is the simplest way to extend compressor life.
For model-specific maintenance intervals, oil guidance, and safety steps, follow the 919176730 owner's manual.
Last updated: February 2026
