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Water Pumps & Parts
At our warehouse, you'll find a wide variety of high-quality water truck pumps and replacement parts to meet all your specifications. Whether you need to replace an existing pump, build a new water truck, or repair your old one, we have the parts you need, including impellers, shaft kits, and volutes.
Not sure which pump is right for you? Our team has over 75 years of industry experience and is here to help. Just give us a call or use the chat box to get in touch. If you have any questions or can't find the part you're looking for, don't hesitate to call us at 602-253-7739. We're here to help you find the right parts for your water trucks.

Filters
- Ball Bearing (2)
- Bearing Cap (2)
- Bolt (1)
- External Retaining Ring (1)
- Hex Capscrew (2)
- Hydraulic Adapter Bracket (2)
- Impeller (3)
- Lock Nut (2)
- Mechanical Seal (2)
- Nut (1)
- Packing Gland (1)
- Plug (2)
- Power Head (1)
- Powerhead (1)
- Rope Packing (1)
- Shaft Kit (6)
- Shaft Sleeve (1)
- Volute (2)
- Volute Gasket (1)
- Water Pump (4)
- Water Pump Grease (1)
- Water Pump Parts (20)
- Water Pump Seal Kit (2)
- Water Slinger (1)
- Water Truck Pump (14)
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12 in stock
Volute, Cast Iron, 4x3, Clockwise (CW), Grooved Ends, UnitedBuilt M3Z H04040MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$360.00$360.00 - $360.00Current price $360.00| /UnitedBuilt Volute CW Groove (M3Z) Not sure if it fits? Call us at 602-253-7739 or send us a message in our chat.
Original price $0.00 - Original price $0.00Original price $0.00$360.00$360.00 - $360.00Current price $360.00| / -
88 in stock
Retaining Ring, External, Stainless Steel, 1-1/8" Shaft, UnitedBuilt S23009MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$5.65$5.65 - $5.65Current price $5.65| /Retaining Ring, External, Stainless Steel 1-1/8" Shaft, Rotor Clip SH-112SS External Rings fit into the groove of a shaft. The portion of the ring ...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$5.65$5.65 - $5.65Current price $5.65| / -
33 in stock
Shaft Sleeve, Stainless Steel, M3ZRM(S) UnitedBuilt S39242MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$71.50$71.50 - $71.50Current price $71.50| /UnitedBuilt Shaft Sleeve, Stainless Steel for B3Z & B4Z pumps. Not sure if it fits? Call us at 602-253-7739 or send us a message in our chat. N...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$71.50$71.50 - $71.50Current price $71.50| / -
6 in stock
Shaft Kit Rope Packing CCW UnitedBuilt B80696MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$240.30$240.30 - $240.30Current price $240.30| /UnitedBuilt B80696MS Shaft Kit for M3ZRM CCW rope packing pump. Manufactured in the USA of high-quality materials with precision machining. Direct...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$240.30$240.30 - $240.30Current price $240.30| / -
2 in stock
Water Pump B3ZRMS, 4" Suction x 3" Discharge FNPT, Clockwise (CW), Mechanical Seal, Hydraulic Drive SAE C 4-Bolt, 1-1/4" x 14T Splined Shaft, Berkeley B69875
BerkeleyOriginal price $4,749.00Original price $4,749.00 - Original price $4,749.00Original price $4,749.00Current price $2,765.00$2,765.00 - $2,765.00Current price $2,765.00| /Experience high performance with the Berkeley OEM B69875 Water Pump. Featuring the B3Z-S design, this pump has a Hydraulic Mount Bearing Frame and ...
View full detailsOriginal price $4,749.00Original price $4,749.00 - Original price $4,749.00Original price $4,749.00Current price $2,765.00$2,765.00 - $2,765.00Current price $2,765.00| /Save 42% Save % -
0 in stock. Available on backorder
Powerhead, Cast Iron, 4x3, Clockwise (CW), Rope Packing Seal, UnitedBuilt M3ZRM B85552MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$870.00$870.00 - $870.00Current price $870.00| /UnitedBuilt Powerhead M3ZRM 4X3 Rope Packing CW Complete centrifugal water pump, less the volute. This powerhead bolts directly to your existing pu...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$870.00$870.00 - $870.00Current price $870.00| / -
6 in stock
Powerhead, Cast Iron, 4x3, Clockwise (CW), Mechanical Seal, UnitedBuilt M3ZRMS B85550MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$933.00$933.00 - $933.00Current price $933.00| /UnitedBuilt Powerhead M3ZRMS 4X3 Mechanical Seal CW Complete centrifugal water pump, less the volute. This powerhead bolts directly to your existin...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$933.00$933.00 - $933.00Current price $933.00| / -
31 in stock
Ball Bearing, Single Row, 6206-C3, UnitedBuilt S13270MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$26.99$26.99 - $26.99Current price $26.99| /UnitedBuilt Ball Bearing Single Row, Inboard (M3Z) Not sure if it fits? Call us at 602-253-7739 or send us a message in our chat.
Original price $0.00 - Original price $0.00Original price $0.00$26.99$26.99 - $26.99Current price $26.99| / -
0 in stock. Available on backorder
Impeller, Cast Iron, Clockwise (CW), UnitedBuilt M3Z M02153MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$270.00$270.00 - $270.00Current price $270.00| /UnitedBuilt threaded Clock Wise (CW) cast iron impeller for M3Z pumps (or Berkeley B3Z) style pumps.
Original price $0.00 - Original price $0.00Original price $0.00$270.00$270.00 - $270.00Current price $270.00| / -
22 in stock
Hydraulic Adapter Bracket SAEB for B3ZRM(S) Pumps, Cast Iron, Berkeley B07779 Bracket Only
BerkeleyOriginal price $0.00 - Original price $0.00Original price $0.00$268.00$268.00 - $268.00Current price $268.00| /Hydraulic Adapter Bracket SAEB for B3ZRM(S) Pumps, Cast Iron, Berkeley B07779 Bracket Only
Original price $0.00 - Original price $0.00Original price $0.00$268.00$268.00 - $268.00Current price $268.00| / -
0 in stock. Available on backorder
Impeller, Clockwise (CW) for Self-Priming B4ZRKS, Aftermarket M08095
ATPOriginal price $0.00 - Original price $0.00Original price $0.00$399.00$399.00 - $399.00Current price $399.00| /Cast iron impeller for Berkeley B4ZRKS self-priming water truck pump. Clockwise rotation made of cast iron, aftermarket Berkeley M08095.
Original price $0.00 - Original price $0.00Original price $0.00$399.00$399.00 - $399.00Current price $399.00| / -
0 in stock. Available on backorder
Rubber, Clack B4T_K 15-1/16LG Neoprene 6, Berkeley L04119
BerkeleyOriginal price $165.00Original price $165.00 - Original price $165.00Original price $165.00Current price $100.00$100.00 - $100.00Current price $100.00| /Berkeley Pump L04119 Repair Part for Centrifugal Irrigation & Industrial Pumps, RUBBER,CLACK B4T_K 15-1/16LG N
Original price $165.00Original price $165.00 - Original price $165.00Original price $165.00Current price $100.00$100.00 - $100.00Current price $100.00| /Save 39% Save % -
3 in stock
Shaft Kit Mechseal B4ZRKS CW UnitedBuilt B80703MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$300.00$300.00 - $300.00Current price $300.00| /Shaft Kit Mechseal B4ZRKS CW UnitedBuilt B80703MS
Original price $0.00 - Original price $0.00Original price $0.00$300.00$300.00 - $300.00Current price $300.00| / -
327 in stock
Countersunk Plug, Hex Socket, 1/8" MNPT, Vibra Seal, Brass (3153X2)
Mid-AmericaOriginal price $0.94 - Original price $0.94Original price$0.94$0.94 - $0.94Current price $0.94| /Countersunk Plug, Hex Socket, 1/8" MNPT, Vibra Seal, Brass Brass C360 Vibra Seal Threads
Original price $0.94 - Original price $0.94Original price$0.94$0.94 - $0.94Current price $0.94| / -
51 in stock
Lock Nut 7/8-9 RH, Stainless Steel, UnitedBuilt M10220
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$12.75$12.75 - $12.75Current price $12.75| /UnitedBuilt Impeller Lock Nut 7/8-9 RH, Stainless Steel CW (M3Z) 7/8-9 RH Stainless Steel Not sure if it fits? Call us at 602-253-7739 or send us...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$12.75$12.75 - $12.75Current price $12.75| / -
6 in stock
Thrust Ring 1-3/16 ID 1-9/16 OD, UnitedBuilt S29218MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$45.40$45.40 - $45.40Current price $45.40| /UnitedBuilt Shaft Thrust Ring (B3Z) 1-3/16" ID 1-9/16" OD Not sure if it fits? Call us at 602-253-7739 or send us a message in our chat.
Original price $0.00 - Original price $0.00Original price $0.00$45.40$45.40 - $45.40Current price $45.40| / -
Typically Ships in 2-3 Days if Not In Stock | 0 in stock. Available on backorder
Water Truck Pump B3ZRM, 4" Suction x 3" Discharge FNPT, 9" Impeller, Clockwise (CW), Rope Packing Seal, Hydraulic Motor Direct Coupling Drive, Berkeley B80357
BerkeleyOriginal price $7,155.00Original price $7,155.00 - Original price $7,155.00Original price $7,155.00Current price $3,720.00$3,720.00 - $3,720.00Current price $3,720.00| /Berkeley B3ZRM model cast iron water truck pump with rope packing seal. Hydraulic Motor Direct Coupling Drive, 4" Suction x 3" Discharge FNPT with ...
View full detailsOriginal price $7,155.00Original price $7,155.00 - Original price $7,155.00Original price $7,155.00Current price $3,720.00$3,720.00 - $3,720.00Current price $3,720.00| /Save 48% Save % -
0 in stock. Available on backorder
Elastomer Hub Coupling 10" 1-3/8"-10T Vulkan, Berkeley B85403
BerkeleyOriginal price $1,435.00Original price $1,435.00 - Original price $1,435.00Original price $1,435.00Current price $950.00$950.00 - $950.00Current price $950.00| /Original price $1,435.00Original price $1,435.00 - Original price $1,435.00Original price $1,435.00Current price $950.00$950.00 - $950.00Current price $950.00| /Save 34% Save % -
1 in stock
Shaft Wear Sleeve XS439-689, Franklin 305462022
FranklinOriginal price $305.00Original price $305.00 - Original price $305.00Original price $305.00Current price $264.50$264.50 - $264.50Current price $264.50| /Shaft Wear Sleeve XS439-689, Franklin 305462022
Original price $305.00Original price $305.00 - Original price $305.00Original price $305.00Current price $264.50$264.50 - $264.50Current price $264.50| /Save 13% Save % -
1 in stock
Shaft Ftt Franklin (PUMPW305454015)
FranklinOriginal price $2,635.00Original price $2,635.00 - Original price $2,635.00Original price $2,635.00Current price $2,016.00$2,016.00 - $2,016.00Current price $2,016.00| /Shaft Ftt Franklin (PUMPW305454015)
Original price $2,635.00Original price $2,635.00 - Original price $2,635.00Original price $2,635.00Current price $2,016.00$2,016.00 - $2,016.00Current price $2,016.00| /Save 23% Save % -
2 in stock
Ball Bearing Ftt Franklin (PUMPW305463036)
FranklinOriginal price $0.00 - Original price $0.00Original price $0.00$420.00$420.00 - $420.00Current price $420.00| /Ball Bearing Ftt Franklin (PUMPW305463036)
Original price $0.00 - Original price $0.00Original price $0.00$420.00$420.00 - $420.00Current price $420.00| / -
1 in stock
Bearing Pump Side XS9 (PUMPW305462025)
FranklinOriginal price $0.00 - Original price $0.00Original price $0.00$106.88$106.88 - $106.88Current price $106.88| /Bearing Pump Side XS9 (PUMPW305462025)
Original price $0.00 - Original price $0.00Original price $0.00$106.88$106.88 - $106.88Current price $106.88| / -
25 in stock
Mystik® JT-6® High Temp #2 Grease 14oz Tube
MystikOriginal price $0.00 - Original price $0.00Original price $0.00$7.50$7.50 - $7.50Current price $7.50| /Mystik JT-6 High Temp Grease #2 is a high-temperature, lithium-complex grease that combines excellent multi-purpose properties with a high dropping...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$7.50$7.50 - $7.50Current price $7.50| / -
3 in stock
Mechanical Seal XS9, Franklin 305462029
FranklinOriginal price $0.00 - Original price $0.00Original price $0.00$123.99$123.99 - $123.99Current price $123.99| /Mechanical Seal XS9, Franklin 305462029
Original price $0.00 - Original price $0.00Original price $0.00$123.99$123.99 - $123.99Current price $123.99| /