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- This pump is obsolete, yet many parts are still available.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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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: $14.461/4" 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: $14.46 -
Pressure Switch, 140/175 PSI #0E3D6E
Now: $69.95Was: $88.30Air compressor pressure switch, 140/175 PSI. If your pressure switch is leaking out of the small bleeder valve on the side (or located underneath) after the unit shuts off, order a tank check valve instead, your pressure switch is okay.Specifications OEM...Now: $69.95Was: $88.30 -
Check Valve, 1/2" Compression x 1/2" MPT, CTD1212 #0E536A
Price: $12.95Air compressor check valve, 1/2" Compression x 1/2" MPT with 1/8" hole; plug hole if not needed. If the small unloader (bleeder) valve on or under your pressure switch leaks constantly AFTER the unit shuts off, replace this part. The check valve is a...Price: $12.95 -
Oil Seal, B3000 / B3800 / B3801 / T29S Air Compressor Pumps #05C1B9
Price: $2.64Old Part Numbers: AB-9163010, 046-0217, 9163010, ABP-9163010Crankcase oil seal for B3000, B3800, B3801, T16, and T29S model air compressor pumps. Need oil? Click here for synthetic and synthetic-blend air compressor oil to keep your compressor...Price: $2.64 -
Furnas / Hubbell Style Air Compressor Unloader Valve Kit #022F54
Price: $19.95Old Part Numbers: 69DCAUnloader 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 this part leaks...Price: $19.95 -
Price: $5.25
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Head Gasket, B4900 / T29S Pump #048AD6
Price: $47.48We recommend ordering the gasket kit, as it will save you money and will ensure that you have all of the head gaskets. We always recommend replacing all head gaskets at the same time, as the other gaskets will have been compromised once the head is...Price: $47.48