51-A21 #01A192
Loading Schematic
Model Numbers: 51-A21
Click here for a parts breakdown
Extra Details
- 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- This pump is obsolete, yet many parts are still available.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 previous page.
- For specs, click on B4900 pump on previous page.
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Gasket #048B86
Price: $37.87Old Part Numbers: 4950100Torque to 27 lbs. Older gasket may have had 8 bolt holes. The newer gasket now has 12 bolt holes.Price: $37.87 -
Price: $24.38 -
B4900A Air Compressor Pump Rebuild Kit #048AB2
Price: $300.18Old Part Numbers: 2901323156, B4900AOVHLKITAir Compressor Pump Rebuild Kit for B4900A pump, includes complete gasket kit, ring set (for LP and HP pistons), oil seal, and conrod insert bearings. Note: Does not include the valve plate assembly or the air...Price: $300.18 -
Connecting Rod Assy. (incl. 4, Bolt, Nut, Splash) #048AB4
Price: $87.80Old Part Numbers: 047-0064 Connecting rod for either hi or low pressure piston. (Order bearing if needed)Price: $87.80 -
Aftercooler Gasket, T29S #048AE2
Price: $10.74Old Part Numbers: 3970200Aftercooler Gasket for T29S. Measures 3-1/8" long by 1-1/8" wide. We 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...Price: $10.74 -
Cylinder Gasket, B4900 / T29S Pump #048AD8
Price: $41.36We 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: $41.36 -
Flywheel Bolt, M8x30mm, Left-Hand Thread #049498
Price: $3.06Air compressor flywheel bolt, M8x30mm left-hand thread.Price: $3.06 -
Price: $20.39