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- This pump is obsolete, yet many parts are still available.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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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 -
Seal #05C1B9
Price: $6.30Old Part Numbers: AB-9163010-SBD, 046-0217-MAT, 9163010-MAT, ABP-9163010-SBDPrice: $6.30 -
Price: $6.12
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BOLT M8 X 30MM LH THRD #05C1A7
Price: $3.72Old Part Numbers: 059-0191 Flywheel Bolt. Fits pump models: B3000, B3800, B3801, T16, T29Price: $3.72 -
Price: $47.48
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Bearing Insert #048AD0
Price: $47.65Brg. Insert for connecting rod. Qty. 2 Inserts for 1 Rod. If you need to replace Inserts for both rods, then order qty. 4.Price: $47.65 -
Hi Pressure Piston #048AB6
Price: $102.98Old Part Numbers: 6222727900Hi pressure piston only. (order wrist pin and retainers below if needed)Price: $102.98 -
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
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B4900A Air Compressor Pump Rebuild Kit #048AB2
Price: $294.30Old 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: $294.30 -
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: $10.53Old Part Numbers: 3970200Aftercooler Gasket for T29S. Measures 3-1/8" long by 1-1/8" wide.Price: $10.53