4B225 #01AF67
Model Numbers: 4B225
Repair Parts for the SpeedAire model 4B225 Single-Stage Portable Gas Air Compressor
Specifications
4B245 Pump specs:
- Oil Capacity 8.5 oz
- Compressor Head Bolts torque specs: 175-225 IN / LBS
- Bearing Cap Bolts torque specs: 50-120 IN / LBS
- Flywheel Bolt torque specs: 225-250 IN / LBS
- If you are looking for FT / LBS then please use this formula: IN / LBS divided by 12 = FT / LBS
- The journal on the crankshaft is 1.76" and the biggest part of the rod is 1.89". If pump knocks, check the top of the rod to make sure it is not egged out by the wrist pin
Manuals
Click here to order and download the Owner's Manual
Extras
We have SpeedAire 4B225 parts here. Whether you need a pilot valve, valve plate, air filter or a whole new pump or motor, we have your parts. SpeedAire 4B225 parts are easy to come by at Master Tool Repair. We have helpful sales team members that can assist you with your repair. We have accessories as well as compressor oil to keep your pump running like a top. We keep the most popular SpeedAire 4B225 parts in stock and we can order most other parts in a matter of a few days. To make ordering easier, we have created the ability for you to order parts by simply enlarging the schematic and then using your mouse to hover over the actual part. You will see the part pop up and are able to order by simply choosing the quantity of parts that you need. Make sure to keep spare parts on hand so that your down time will be minimal. Change oil and air filters every 3 to 4 months, or twice a year if used infrequently and use straight 30W non-detergent compressor oil. Drain your tank regularly to prevent rust from building up, especially in climates with high humidity.
Video
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Safety Relief Valve, 1/4" MPT, 140 PSI #116341
Price: $8.95Old Part Numbers: SRV250140Air compressor safety relief valve, 1/4" MPT, 140 PSI. If your valve leaks below the pressure listed on the side of the valve, replace this vital safety feature.Specifications MPT Inlet: 1/4 in. Preset Setting: 140 PSI Max...Price: $8.95 -
Drain Valve, 1/4" NPT #1163AE
Price: $3.95Replace this air compressor drain valve if leaking or will not work. Prevent rust from ruining your tank by draining your tank daily. Keep an extra around for a spare. This valve is designed for bubble-tight sealing for small air compressor tanks...Price: $3.95 -
Brass Compression Nut, 1/2" OD #100B88
Price: $2.50Old Part Numbers: 61-8Brass compression nut, 1/2" OD.Price: $2.50 -
Compression Adapter Fitting, 1/2" x 1/2" #100B92
Price: $9.06Old Part Numbers: 68-8-81/2" compression x 1/2" male NPT compression connector/fitting for air compressors.Price: $9.06 -
Compression Adapter, 1/2" Compression x 3/8" MPT, No Lead #100B90
Price: $9.95Old Part Numbers: 68-8-6Air compressor compression adapter, 1/2" compression x 3/8" MPT, no lead.Price: $9.95 -
Replacement Air Filter Element for Twist-Lock Air Filter Assembly #0A12B4
Now: $9.95Was: $12.03Old Part Numbers: AC-0331-SBDReplacement filter element for twist-lock air filter assembly for air compressors. Replace every 3-4 months if the air compressor is used frequently. A dirty filter can cause damage to the pump's valves, clog your check...Now: $9.95Was: $12.03 -
Air Filter Assembly, 3-1/4" D, 1/2" NPT Threads #080E4E
Price: $29.95Air filter for air compressor with universal filter style with 1/2" mounting threads and includes replaceable air filter element. Replacing your air filter element when it is dirty will increase the efficiency of the pump and increase the life of the air...Price: $29.95 -
Price: $3.75