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Quality Water Truck Systems, Tanks & Parts Since 1947
Quality Water Truck Systems, Tanks & Parts Since 1947

Water Pump Parts

UnitedBuilt offers a complete selection of water truck pump parts designed to keep your equipment operating reliably in demanding applications. Our inventory includes impellers, mechanical seals, packing kits, shaft kits, volutes, bearings, and other essential pump components used for maintenance, repair, and rebuilds.

Our UnitedBuilt pump parts are engineered for durability and consistent performance, providing a dependable solution for maintaining and extending the life of your equipment. Designed for compatibility with common water truck pump configurations, these components are built to perform in real-world conditions.

In addition to our UnitedBuilt lineup, we also stock genuine OEM pump parts from Berkeley and Franklin Electric, ensuring proper fit and performance for a wide range of pump systems.

Whether you’re replacing a worn component or rebuilding a complete pump, our parts are selected for reliability, compatibility, and long service life.

We work to keep our most in-demand pump parts readily available and offer fast shipping to help minimize downtime and keep your equipment running.

Water Pump Parts - UnitedBuilt Equipment

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  • Retaining Ring, External, Black Phosphate, 1-1/8" Shaft 1-3/16 (PUMPBS23010) - UnitedBuilt Equipment
    22 in stock

    Retaining Ring, External, Black Phosphate, 1-1/8" Shaft 1-3/16, UnitedBuilt S23010MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $2.25
    $2.25 - $2.25
    $2.25

    Retaining Ring, External, Steel 1-3/16" Shaft, Rotor Clip  SH-118 External Rings fit into the groove of a shaft. The portion of the ring that protr...

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    $0.00 - $0.00
    $0.00
    $2.25
    $2.25 - $2.25
    $2.25
  • Ball Bearing 1.18ID X 2.8 UnitedBuilt S13271MS - UnitedBuilt Equipment
    Ball Bearing 1.18ID X 2.8 UnitedBuilt S13271MS - UnitedBuilt Equipment
    20 in stock

    Ball Bearing, Double Row, 5306-C3, UnitedBuilt S13271MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $50.00
    $50.00 - $50.00
    $50.00

    Ball Bearing Double Row, Outboard (M3Z) Not sure if it fits? Call us at 602-253-7739 or send us a message in our chat.  

    $0.00 - $0.00
    $0.00
    $50.00
    $50.00 - $50.00
    $50.00
  • Bearing Cap M3ZRM(S) CW & CCW UnitedBuilt S19914MS - UnitedBuilt Equipment
    Bearing Cap M3ZRM(S) CW & CCW UnitedBuilt S19914MS - UnitedBuilt Equipment
    3 in stock

    Bearing Cap M3ZRM(S) CW & CCW, Cast Iron, UnitedBuilt S19914MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $109.50
    $109.50 - $109.50
    $109.50

    UnitedBuilt Outer Bearing Cap (B3Z) Keeps grease on your bearings and dirt and debris out. When rebuilding a pump, check that this component is in ...

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    $0.00 - $0.00
    $0.00
    $109.50
    $109.50 - $109.50
    $109.50
  • Shaft Kit, Mechanical Seal, B3ZRMS CW LONG, Stressproof®, 1 - 1/8" x 1/4" Key, UnitedBuilt B80699MS - L - UnitedBuilt Equipment
    Shaft Kit, Mechanical Seal, B3ZRMS CW LONG, Stressproof®, 1 - 1/8" x 1/4" Key, UnitedBuilt B80699MS - L - UnitedBuilt Equipment
    9 in stock

    Shaft Kit, Mechanical Seal, B3ZRMS CW LONG, Stressproof®, 1-1/8" x 1/4" Key, UnitedBuilt B80699MS-L

    UnitedBuilt
    $268.30 - $268.30
    $268.30
    $268.30
    $268.30 - $268.30
    $268.30

    UnitedBuilt B80699MS-L Shaft Kit designed for ATP B3ZRMS-style aftermarket clockwise (CW) rope packing pumps with a long shaft. Some aftermarket B3...

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    $268.30 - $268.30
    $268.30
    $268.30
    $268.30 - $268.30
    $268.30
  • Nut Berkeley Packing Gland B3J, 1/2 - 13 Hex Nut Brass, UnitedBuilt S23347 - UnitedBuilt Equipment
    4 in stock

    Nut Berkeley Packing Gland B3J, 1/2-13 Hex Nut Brass, UnitedBuilt S23347

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $3.39
    $3.39 - $3.39
    $3.39

    $0.00 - $0.00
    $0.00
    $3.39
    $3.39 - $3.39
    $3.39
  • Key Machine 1/4" X 2-1/8" (PUMPBS24255) - UnitedBuilt Equipment
    25 in stock

    Shaft Key 1/4" x 2" Long, UnitedBuilt S24255MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $1.50
    $1.50 - $1.50
    $1.50

    UnitedBuilt Shaft Key 1/4" X 2-1/8"

    $0.00 - $0.00
    $0.00
    $1.50
    $1.50 - $1.50
    $1.50
  • Lock Nut 7/8 - 9 RH, Stainless Steel, UnitedBuilt M10220 - UnitedBuilt Equipment
    39 in stock

    Lock Nut 7/8-9 RH, Stainless Steel, UnitedBuilt M10220

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $12.75
    $12.75 - $12.75
    $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...

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    $0.00 - $0.00
    $0.00
    $12.75
    $12.75 - $12.75
    $12.75
  • Lock Nut 7/8 - 9 LH, Stainless Steel (PUMPBU36 - 189SS) - UnitedBuilt Equipment
    22 in stock

    Lock Nut 7/8-9 LH, Stainless Steel (PUMPBU36-189SS)

    UnitedBuilt
    $43.88 - $43.88
    $43.88
    $43.88 - $43.88
    $43.88

    UnitedBuilt Impeller Lock Nut 7/8-9 LH, Stainless Steel CCW (M3Z) 7/8-9 LH Stainless Steel Not sure if it fits? Call us at 602-253-7739 or send u...

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    $43.88 - $43.88
    $43.88
    $43.88 - $43.88
    $43.88
  • Shaft Kit Rope Packing CCW UnitedBuilt B80696MS - UnitedBuilt Equipment
    Shaft Kit Rope Packing CCW UnitedBuilt B80696MS - UnitedBuilt Equipment
    9 in stock

    Shaft Kit, Rope Packing, B3ZRM CW LONG, Stressproof® Steel, 1-1/8" x 1/4" Key, UnitedBuilt B80698MS-L

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $265.00
    $265.00 - $265.00
    $265.00

    UnitedBuilt B80698MS-L Shaft Kit designed for ATP B3ZRM-style aftermarket clockwise (CW) rope packing pumps with a long shaft. Some aftermarket B3Z...

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    $0.00 - $0.00
    $0.00
    $265.00
    $265.00 - $265.00
    $265.00
  • Hex Capscrew 3/8 - 16 x 7/8" S26825 - UnitedBuilt Equipment
    0 in stock. Available on backorder

    Hex Capscrew 3/8-16 x 7/8" S26825

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $2.83
    $2.83 - $2.83
    $2.83

    Hex Capscrew, Grade 5, Zinc Plated, 3/8-16 x 7/8"

    $0.00 - $0.00
    $0.00
    $2.83
    $2.83 - $2.83
    $2.83
  • image-coming-soon
    4630 in stock

    Hex Capscrew 3/8-16 x 1" (PUMPBS26826)

    UnitedBuilt
    $2.83 - $2.83
    $2.83
    $2.83 - $2.83
    $2.83

    Hex Capscrew, Grade 5, Zinc Plated, 3/8-16 x 1"

    $2.83 - $2.83
    $2.83
    $2.83 - $2.83
    $2.83
  • image-coming-soon
    2 in stock

    Pump Bracket Frame M3ZRMS Mechanical Seal, UnitedBuilt H04007MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $473.25
    $473.25 - $473.25
    $473.25

    UnitedBuilt Mechanical Seal Bearing Frame (M3ZRMS) Not sure if it fits? Call us at 602-253-7739 or send us a message in our chat.  

    $0.00 - $0.00
    $0.00
    $473.25
    $473.25 - $473.25
    $473.25
  • Pump Bracket Frame M3ZRM Ropeseal, UnitedBuilt H00553MS - UnitedBuilt Equipment
    2 in stock

    Pump Bracket Frame M3ZRM Ropeseal, UnitedBuilt H00553MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $473.25
    $473.25 - $473.25
    $473.25

    UnitedBuilt Bearing Frame Rope Seal (M3ZRM) Not sure if it fits? Call us at 602-253-7739 or send us a message in our chat.  

    $0.00 - $0.00
    $0.00
    $473.25
    $473.25 - $473.25
    $473.25