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General Pump T991

How can I tell if I have a left handed or right handed shaft?

Name Part No. Description Quantity Price Order
T991

Product Brochure
GEN-32598 General Pump
*Model T991
*Interpump Model W99
*Max. GPM 3.5
*Max. PSI 1500
*RPM 1450
*Shaft Size 24mm
*Inlet Port =1/2" F
*Outlet Port=3/8" F
Replaces T9961 (same pump)

(Old PWP # APU-3203)
Weight 19 lbs
$370.75
T991 Left Hand

Product Brochure
GEN-32788 General Pump
*Model T991
*Left Handed Shaft
*Interpump Model W99
*Max. GPM 3.5
*Max. PSI 1500
*RPM 1450
*Shaft Size 24mm
*Inlet Port =1/2" F
*Outlet Port=3/8" F

(Old PWP # APU-3803-LH)
Weight 19 lbs
$380.95

General Pump T991 Repair Kits and Parts

We stock the most common General Pump repair kits and parts. If part needed is not listed with price please call for availability.


General Pump T991 Pump Breakdown Diagram
General Pump T991 Pump Parts List
General Pump T991 Pump Repair Kits

General Pump T991 Repair Kits

Name Part No. Description Quantity Price Order
Repair Kit General Pump
GEN-32844
*Kit 1
*Check Valves
*Contains 6 valve assemblies

(Old PWP # APU-4401)
$41.85
Repair Kit General Pump
GEN-32847
*Kit 4
*Valve caps
*Brass
*COURSE thread for TS series pumps.  Newer TSS pumps require Kit 4F
*6 caps and 6 o-rings

(Old PWP # APU-4404)
$70.70
Repair Kit General Pump
GEN-32849
*Kit 6
*Plunger screws and hardware
*Services all 3 plungers 

(Old PWP # APU-4406)
$17.50
Repair Kit General Pump
GEN-32864 *Kit 20
*Intermediate rings
*Services 3 cylinders

(Old PWP # APU-4421)
$19.93
Repair Kit General Pump
GEN-32865 *Kit 21
*Male adapters ("head rings")
*Contains 6 adapters

(Old PWP # APU-4422)
$8.40
Repair Kit General Pump
GEN-32866 *Kit 22
*Packing retainers
*Brass
*Includes o-rings

(Old PWP # APU-4423)
$14.72
Repair Kit General Pump
GEN-32867
*Kit 23
*Oil Seals
*Services 3 cylinders

(Old PWP # APU-4424)
$17.15
Repair Kit General Pump
GEN-32871 *Kit 27
*Packing (Water Seals)
*20mm
*Includes brass retainers
*Services 1 cylinder

(Old PWP # APU-4428)
$22.90

General Pump T991 Repair Parts


Item # Part No. GP Part No. Description Quantity Price Order
1 GEN-33145 50.1207.41 Manifold, Brass $409.68
1 50.1200.22 Manifold, Aluminum(T911) CALL
2 GEN-33414 99.3175.00 Screw $2.10
3 GEN-33359 96.7014.00 Washer $1.00
4 GEN-33429 701115 O-Ring $0.50
5 36.2003.66 Seat, Valve CALL
6 GEN-33017 36.2001.76 Plate, Valve $11.00
7 94.7376.00 Spring CALL
8 GEN-33018 36.2002.51 Guide, Valve $2.10
9 GEN-33430 90.3847.00 O-Ring, 797x.103 $0.90
10 GEN-33395 98.2220.00 Cap, M24x2x16 $14.00
11 36.7032.01 Assembly, Valve CALL
12 GEN-33274 90.2703.00 Packing $8.94
12 GEN-33261 90.2620.00 Packings(TT9351,TT9441) $8.00
13 GEN-33155 50.2166.70 Ring, Intermediate $9.05
13 GEN-33185 52.2166.70 Ring, Intermediate (TT9351,TT9441) $12.00
14 GEN-33143 50.1000.51 Ring, Head $2.10
14 GEN-33169 51.1000.51 Ring, Head(TT9351,TT9441) $1.60
15 GEN-33142 50.0805.70 Retainer, Packing $5.80
15 GEN-33184 52.0805.70 Retainer, Packing(TT9351,TT9441) $12.00
16 GEN-33333 90.3612.00 O-Ring, 1.239x.070 $1.00
17 GEN-33247 90.1614.00 Seal, Oil $11.00
18 GEN-33404 99.1807.00 Screw, M6x10 $1.00
19 GEN-33146 50.1500.74 Cover, Crankcase $6.90
20 GEN-33153 50.2116.51 Spacer $6.66
21 GEN-33313 90.4097.00 O-Ring, 2.187x.139 $1.75
22 GEN-33340 91.8329.00 Bearing, Ball $31.08
23 GEN-33134 50.0104.22 Crankcase $208.44
24 GEN-33391 98.2103.00 Oil Dip Stick $10.00
25 GEN-33304 90.3920.00 O-Ring $2.50
26 GEN-33147 50.1600.22 Cover $99.95
27 GEN-33405 99.1837.00 Screw, M6x14 $1.80
28 GEN-33431 90.3585.00 O-Ring, .426x.070 $1.00
29 GEN-33380 97.5968.00 Indicator, Oil $8.00
30 GEN-33387 98.2041.00 Cap, 1/4-BSPP $10.00
31 GEN-33135 50.0218.35 Crankshaft(T991,TT911) $177.00
31 50.0219.35 Crankshaft(T9951) CALL
31 50.0201.35 Crankshaft(T9971,TT9441) CALL
31 50.0205.35 Crankshaft(TT9351) CALL
32 GEN-33382 97.7330.00 Pin, Wrist $5.80
33 64.0048.00 Key CALL
34 GEN-33136 50.0300.01 Rod, Connecting $31.95
34 GEN-33137 50.0300.01 Rod, Connecting $56.21
34 GEN-33138 50.0303.01 Connecting Rod(T9971) $122.58
36 GEN-33355 96.6939.00 Washer, M6.4x10x.7 $1.00
37 GEN-33408 99.1927.00 Screw, Mx35 $1.60
38 GEN-33141 50.0501.56 Plunger Guide $41.95
38 GEN-33183 52.0500.56 Plunger Guide(TT9351,TT9441) $48.95
39 GEN-33376 96.7286.00 Washer, M14x28x.5 $1.40
39 GEN-33362 96.7070.00 Washer(TT9351,TT9441) $1.00
40 GEN-33139 50.0404.09 Piston (20mm) $47.95
40 GEN-33182 52.0400.09 Piston (15mm)(TT9351,TT9441) $41.80
41 GEN-33434 90.5022.00 Backup-Ring(TT9351,TT9441) $2.00
41 GEN-33446 90.5067.00 Ring, Back-up, .433x.551x.055 $1.00
42 GEN-33366 96.7280.00 Washer, M14x18.5x.5 $1.25
42 GEN-33358 96.7008.00 Washer(TT9351,TT9441) $1.50
43 GEN-33107 47.2195.66 Screw, Piston $8.55
44 GEN-33152 50.2115.51 Spacer $7.95
45 GEN-33250 90.1634.00 Seal, Oil $9.00
46 GEN-33150 50.2000.74 Feet, Pump $8.00
46 GEN-33151 50.2000.74 Feet, Pump $6.00
47 GEN-33360 96.7016.00 Washer, M8.4 $1.00
48 GEN-33411 99.3037.00 Screw, M8x16 $1.00
49 GEN-33390 98.2100.00 Cap, 3/8-BSPP $8.50
50 GEN-33393 98.2176.00 Cap, 1/2-BSPP $8.50
51 GEN-33369 96.7514.00 Washer, M21.5x27x1.5 $1.90
52 GEN-33377 96.7380.00 Washer, M17.5x23x1.5 $1.00
53 GEN-33272 90.2698.00 Seal, Low Press, 20mm $12.00
53 GEN-32998 90.2617.00 Seal, Low Press,(TT9351,TT9441) $10.00
54 GEN-33433 90.3572.00 O-Ring $1.00
55 GEN-33262 90.2622.00 Restop Ring $5.35


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Spearfish, SD U.S.A.

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