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- This pump is obsolete, yet many parts are still available.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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Oil Seal, B3000 / B3800 / B3801 / T29S Air Compressor Pumps #05C1B9
Price: $4.75Old 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: $4.75 -
B4900A Air Compressor Pump Rebuild Kit #048AB2
Price: $342.77Old 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: $342.77 -
Oil Drain Tube, B4900 / T29S Pumps #048B62
Price: $25.95Oil Drain Extension for the B4900 / T29S two-stage pumps. 10mm x 1.50 TPI M10 threadPrice: $25.95 -
Flywheel Bolt, M8 x 30mm, Left-Hand Thread #11668E
Price: $5.13Old Part Numbers: 6211848600Air compressor flywheel bolt, M8 x 30mm left-hand thread.Price: $5.13 -
Price: $21.16 -
Connecting Rod Assy. (incl. 4, Bolt, Nut, Splash) #048AB4
Price: $84.44Old Part Numbers: 047-0064 Connecting rod for either hi or low pressure piston. (Order bearing if needed)Price: $84.44 -
Bearing Insert #048AD0
Price: $48.94Brg. Insert for connecting rod. Qty. 2 Inserts for 1 Rod. If you need to replace Inserts for both rods, then order qty. 4.Price: $48.94 -
Gasket #048B86
Price: $27.28Old Part Numbers: 4950100Torque to 27 lbs. Older gasket may have had 8 bolt holes. The newer gasket now has 12 bolt holes.Price: $27.28