51-A21, 51-AT21, B51-A21-80V-SWC #01AFD1
Loading Schematic
Model Numbers: 51-A21, 51-AT21, B51-A21-80V-SWC
Repair Parts for the Coleman Sanborn models 51-A21, 51-AT21 Stationary Two-Stage Oil-Bath Electric Air Compressors
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Extra Details
This unit used the "B4900A" pump on 60 gallon tank.
- Very similar to the B4900.
- Difference in aftercooler design.
- This pump is obsolete, yet many parts are still available.
- If whole pump is needed, order the B4900 on diagram below.
- For specs, click on B4900 pump diagram below.
Extras
We have your Coleman Sanborn 51-A21, 51-AT21 parts here. Whether you need a pressure switch or a new pump, we have your parts. Coleman Sanborn 51-A21, 51-AT21 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 Coleman Sanborn 51-A21, 51-AT21 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 and adding them to your cart. Make sure to keep spare parts on hand so that your down time will be minimal. Replace your Air Filter and Oil every 3 to 4 months if used frequently. Use straight 30W compressor oil (20W below 34 deg). Drain your tank regularly to prevent rust, especially in humid climates.
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1/4" HD Wingnut Drain Cock #07F8E3
Now: $17.95Was: $19.531/4" NPT Heavy Duty drain cock. Prevent rust from ruining your tank by draining your tank daily. Keep an extra around for a spare.Now: $17.95Was: $19.53 -
Price: $6.06
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Air Compressor Electric Motor (OEM), 5 HP, 208/230V #058FEA
Price: $653.24OEM 5 HP replacement motor. Volts: 208/230 Amps: 22.0 Phase: 1 RPM: 3,450 Hz: 60 Frame: R56Y Shaft Size: 7/8" Service Factor: 1.15 Insulation Class: B Thermally Protected Extra DetailsWarranty: 90 days from the date of purchasePrice: $653.24 -
Pressure Switch, 140-175 PSI #05913C
Now: $69.95Was: $107.51OEM switch 145/175 PSI 4-port with Unloader Valve NO on/off lever If your pressure switch is leaking out of the small bleeder valve on the side or if located underneath, order a tank check valve instead, your pressure switch is OK.Now: $69.95Was: $107.51 -
Price: $10.17
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Price: $5.37
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Price: $27.80
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Price: $6.75
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Price: $7.44
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B4900 Head Gasket Kit #05BF3E
Price: $175.70B4900 Head Gasket Kit. Kit includes the head gasket, inner valve plate gasket, cylinder gasket, two intercooler gaskets, and discharge tube adapter gasket (total of 6). A little silicone gasket cement around the outer edges helps. NOTE: Due to the...Price: $175.70 -
Male Compression Elbow, 1/4" Compression x 1/8" MPT #0577E7
Now: $10.95Was: $21.211/4" compression x 1/8" male NPT air compressor compression elbow. Note: For COPPER tubing. If you are using nylon or plastic tubing, consider using our T1059.Now: $10.95Was: $21.21 -
Furnas / Hubbell Style Air Compressor Unloader Valve Kit #048A93
Now: $19.95Was: $35.47Old Part Numbers: CW000100AV, 136-0013Unloader Valve used on many Furnas / Hubbell brand air compressor pressure switches includes the unloader valve with compression nut and sleeve, and screw. Replace this part if it leaks while the unit is running. If...Now: $19.95Was: $35.47