Craftsman 92116475 air compressor Parts

Craftsman air compressors are made by different manufacturers (OEMs) depending on the model and production era. For the Craftsman air compressor model 92116475, the “921” model series is commonly associated with DeVilbiss Air Power as the original manufacturer for many units in this family; your owner's manual also shows this model line under Sears branding.

How to tell who made your specific Craftsman compressor

The most reliable way is to match the model number and the parts list used for service.

• Use the full model number on the data plate: 92116475
• Check the parts drawings and parts list in the owner's manual
• Look for a series prefix (for example, 921) that groups models built by the same OEM
• Confirm whether your unit is belt-drive and electric (this model family is)
• Use the manual’s specification and troubleshooting sections to match features to your unit

What we know for model 92116475 from the manual

The manual identifies this unit as a Craftsman belt-drive, electric air compressor in the 25 to 27 gallon class (the manual covers model 92116475 and a closely related model). That places it in a common Craftsman lineup that was produced for Sears under Sears branding. See the owner's manual for the exact parts list and service references tied to your unit.

Item	What you’ll see	Why it helps
Model number	92116475	Ties your compressor to the correct OEM family and parts list
Drive type	Belt drive	Narrows the design and service parts used
Power type	Electric	Helps match motor/pressure switch wiring and controls
Tank size class	25 to 27 gallon	Confirms the product family covered by the manual

Why it matters

Craftsman is a brand name, not a single factory. Knowing the OEM behind your model helps you match the correct pressure switch, check valve, pump components, and troubleshooting steps for issues like no-start, low pressure, or air leaks.

Related DIY help

• Use air compressor common questions to understand OEM differences, typical maintenance, and what to check first.

Last updated: February 2026

For the Craftsman 92116475 air compressor, the most common cause of failure is preventable maintenance and cooling issues: a dirty or restricted air intake (air filter), air leaks, and poor ventilation that leads to overheating. These problems reduce performance first, then damage internal pump and motor components over time.

What fails first (most common, most preventable)

• Dirty air filter: Restricts intake air, reduces output, and shortens pump life.
• Overheating from poor ventilation: Running too close to a wall or in a hot, dusty area overheats the unit.
• Air leaks at fittings/hoses: Small leaks can significantly reduce performance and increase run time.
• Restricted air passages or a bad check valve: Can cause stalling, hard starting, and poor pressure build.
• Electrical supply issues: Low voltage, overloaded circuit, or extension cord use can trip protection and stress the motor.

Quick checks we recommend (in order)

1. Confirm ventilation: Keep the compressor at least 12 inches from the nearest wall for cooling.
2. Inspect and clean the air filter: Clean felt filters; replace paper filters when dirty.
3. Test for leaks: Spray soapy water on fittings, transfer tubes, and hose connections; bubbles indicate a leak.
4. Drain tank moisture daily: A clean, dry tank helps prevent corrosion.
5. Check the relief valve daily: Pull the ring to confirm it moves freely and clears debris.

Symptoms and the most likely cause

Symptom	Most likely cause	What to do next
Won’t build tank pressure	Air leak or restricted intake	Leak test; clean/replace filter
Overheats or shuts off	Poor ventilation or dirty cooling surfaces	Improve airflow; clean cooling surfaces
Won’t start or stalls	Low voltage or bad check valve	Use dedicated circuit; inspect check valve
Low discharge pressure	Leaks or restricted intake	Tighten fittings; service filter

Why it matters

Most “failures” start as longer run times, low PSI, or frequent tripping. Fixing airflow, leaks, and cooling early prevents overheating and internal wear that can turn a simple maintenance issue into a pump or motor repair.

Helpful DIY resources

• Owner's manual
• Air compressor won't build tank pressure
• Air compressor won't start

Last updated: February 2026

Repairing a Craftsman air compressor model 92116475 is worth it when the problem is a single, serviceable part (like a pressure switch, regulator, gauge, or check valve) and the tank and pump are in good condition. It is not worth repairing when the tank is corroded or the pump has repeated failures.

Quick way to decide (repair vs. replace)

Use these checks first; they match the most common failure points and maintenance items called out in the owner's manual.

• Repair makes sense when: the unit won’t start due to a control issue (pressure switch), it leaks at a fitting, or it won’t build pressure due to a check valve or intake restriction.
• Replace makes sense when: the tank won’t hold air, the tank shows heavy rust/corrosion, or the pump has major internal wear and you have already repaired it once.
• Safety first: always release tank pressure before transporting or servicing, and drain moisture daily to reduce corrosion.

Cost and effort comparison

Situation	Typical fix	Skill/time	Best choice
Won’t start or starts only with tank drained	Diagnose back pressure, pressure switch, check valve	Low to medium	Repair
Won’t build tank pressure	Leak check, air filter, check valve	Low to medium	Repair
Pressure gauge or regulator issues	Replace gauge/regulator	Low	Repair
Tank leaks or won’t hold air	Tank replacement not practical	High	Replace
Pump worn (low output, overheating, repeated issues)	Pump rebuild	High	Replace or rebuild (only if otherwise excellent condition)

What to check before spending money

• Drain the tank daily; moisture causes internal corrosion that shortens tank life.
• Test for leaks with soapy water on hoses, transfer tubes, and fittings; bubbles pinpoint the leak.
• Confirm ventilation: keep the compressor at least 12 inches from the nearest wall for cooling.
• Check the relief valve daily by pulling the ring to confirm it moves freely.
• Inspect the power cord and plug; never operate if damaged.

Why it matters

Air compressor repairs are usually economical when they restore normal PSI and CFM performance with a targeted fix. Tank corrosion and chronic pump problems are different; they reduce reliability and can turn into repeat repair costs.

Helpful DIY troubleshooting: air compressor won't start, air compressor won't build tank pressure.

Last updated: February 2026

Most air compressor parts are not interchangeable across brands or even across different models of the same brand. For the Craftsman 92116475 air compressor, major components (motor, pump, pressure switch, tank, transfer tube) must match the unit’s design and pressure settings; only some external fittings may interchange if the thread type and size match.

What usually is not interchangeable

These parts are model-specific because they affect safety, performance (PSI/CFM), and how the compressor starts and stops:

• Pump and pump head components (mounting, airflow, compression design)
• Electric motor (voltage, amperage, overload protection)
• Pressure switch (kick-in and kick-out settings; unloading/bleeder function)
• Tank and tank-mounted ports (threading, orientation, safety valve compatibility)
• Check valve and transfer tube (tube size, compression fittings, flow direction)

For model-specific diagrams, part naming, and service notes, use the owner's manual.

What can be interchangeable (if the specs match)

Some common external items can cross over between brands when you match the exact thread and style:

• Quick-connect couplers and plugs (industrial, automotive, ARO styles vary)
• NPT threaded fittings (only when the size and taper match)
• Air hose fittings and adapters
• Some pressure gauges (only if the pressure range and mounting thread match)

Quick compatibility checklist

Item you want to swap	Must match	What happens if it doesn’t
Pressure switch	Kick-in/kick-out range, port layout, unloader/bleeder setup	Won’t start/stop correctly; may leak or short-cycle
Check valve	Thread size, orientation, flow rating	Hard starting; air leaks back to pump
Fittings/couplers	Thread type/size and coupler profile	Leaks; tools will not connect
Motor	Voltage/amperage, shaft size, mounting	Overheating; won’t run; unsafe wiring

Why it matters

Your compressor starts automatically and relies on correct pressure control and leak-free connections. A mismatched part can cause hard starting, poor tank pressure, frequent cycling, or air leaks that reduce performance.

If you are trying to solve a specific symptom

Use these DIY guides to narrow the correct part and fix:

• Air compressor won't start
• Air compressor won't build tank pressure
• Air compressor air leaks

Last updated: February 2026