51-A21, 51-AT21, B51-A21-80V-SWC #01AFD1
Loading Schematic
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- This pump is obsolete, yet many parts are still available.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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B4900, T29S Pump Kit #048AAC
Chicago Pneumatic
Price: $1,001.60Old Part Numbers: D26166, 4116091362Includes Flywheel, Air Filter Assy & Intercooler Safety Valve. Used on Coleman Sanborn B51AT18 & 24 units. Also used on some other manufacturers units. Two-Stage steel sleeved aluminum pump used on many units such as...1312101035-IMPrice: $1,001.60 -
Motor (OEM) #058FEA
MAT - EDI
Price: $647.01OEM 5HP replacement Motor. Volts: 208/230 Amps: 22.0 Phase: 1 RPM: 3450 Hz: 60 Frame: R56Y Shaft Size: 7/8" Service Factor: 1.15 Insulation Class: B Thermally ProtectedS160-0235-MATPrice: $647.01 -
B4900a Rebuild Kit #048AB2
Chicago Pneumatic
Price: $357.54Old Part Numbers: 2901323156, B4900AOVHLKITKit includes: Gasket Kit, Ring Set (LP and HP) and Rod Insert Bearings. Does not include the Valve Plate Assembly or the Air Filter.6229017300-IMPrice: $357.54 -
Valve Plate Assy, B4649 #048AA8
Chicago Pneumatic
Price: $228.73Old Part Numbers: 6210717280, ABP-4940050Valve plate assembly (includes inner gasket and valves). Poor performance or air leaks out of the intake filter while the unit is running? This is probably the problem.2236113874-IMPrice: $228.73 -
Price: $203.24
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Head kit #048B8A
Chicago Pneumatic
Price: $182.20Old Part Numbers: 6223018600Includes head and gasket2901324960-IMPrice: $182.20 -
B4900 Head Gasket Kit #05BF3E
Master Tool Repair
Price: $155.57Kit 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 delicate nature of these...B4900ValveGskts-MTRPrice: $155.57 -
Gasket Kit #048AE0
Chicago Pneumatic
Price: $152.68Old Part Numbers: 4950055Complete gasket kit includes valve plate gaskets, intercooler gaskets, cylinder gasket, base gasket, bearing housing gaskets, and aftercooler gasket. *No Returns or Refunds on this kit*8973035118-IMPrice: $152.68 -
Price: $122.14
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Hi Pressure Piston #048AB6
Chicago Pneumatic
Price: $97.70Old Part Numbers: 6222727900Hi pressure piston only. (order wrist pin and retainers below if needed)2236115114-IMPrice: $97.70 -
Connecting Rod Assy. (incl. 4, Bolt, Nut, Splash) #048AB4
Chicago Pneumatic
Price: $81.91Old Part Numbers: 047-0064 Connecting rod for either hi or low pressure piston. (Order bearing if needed)6222629100-IMPrice: $81.91 -
Price: $59.16