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Water Truck Parts: In Stock, Top Quality, Ships in 1 Day! Order by 2PM MST.
Water Truck Parts: In Stock, Top Quality, Ships in 1 Day! Order by 2PM MST.

Water Pump Parts

Upgrade your water truck with premium parts from UnitedBuilt Equipment. Explore our extensive inventory, featuring shaft kits, impellers, seals, gaskets, power heads, volutes, fasteners, and more. We stock top-quality brands like UnitedBuilt, Berkeley, Franklin, and ARMS. Enhance performance and durability with our high-quality water truck parts.
Water Pump Parts - UnitedBuilt Equipment

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  • Volute Gasket, 4x3, UnitedBuilt M3Z S05126MS - UnitedBuilt Equipment
    83 in stock

    Volute Gasket, 4x3, UnitedBuilt M3Z S05126MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $11.50
    $11.50 - $11.50
    $11.50

    UnitedBuilt Volute Gasket 4 x 3 (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
    $11.50
    $11.50 - $11.50
    $11.50
  • Rope Packing Set (6 Pieces), UnitedBuilt M3ZRM S14022MS - UnitedBuilt Equipment
    51 in stock

    Rope Packing Set (6 Pieces), UnitedBuilt M3ZRM S14022MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $27.75
    $27.75 - $27.75
    $27.75

    Rope Packing Set (6 Pieces) S14022 for B3ZRM pumps.

    $0.00 - $0.00
    $0.00
    $27.75
    $27.75 - $27.75
    $27.75
  • Volute, Cast Iron, 4x3, Counter Clockwise (CCW), Grooved Ends, UnitedBuilt M3Z H04041MS - UnitedBuilt Equipment
    20 in stock

    Volute, Cast Iron, 4x3, Counter Clockwise (CCW), Grooved Ends, UnitedBuilt M3Z H04041MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $402.75
    $402.75 - $402.75
    $402.75

    UnitedBuilt Volute CCW Groove (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
    $402.75
    $402.75 - $402.75
    $402.75
  • Slinger Water 1-3/32 ID, UnitedBuilt M3Z S12260MS - UnitedBuilt Equipment
    93 in stock

    Slinger Water 1-3/32 ID, UnitedBuilt M3Z S12260MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $2.59
    $2.59 - $2.59
    $2.59

    UnitedBuilt Water Slinger for B3Z & B4Z pumps. 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
    $2.59
    $2.59 - $2.59
    $2.59
  • Grease Cap, UnitedBuilt M3ZRM(S) S19033MS - UnitedBuilt Equipment
    Grease Cap, UnitedBuilt M3ZRM(S) S19033MS - UnitedBuilt Equipment
    109 in stock

    Grease Cap, UnitedBuilt M3ZRM(S) S19033MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $20.00
    $20.00 - $20.00
    $20.00

    UnitedBuilt Inner Bearing Cap for B3Z & B4Z pumps. Keeps grease on your bearings and dirt and debris out. When rebuilding a pump, check that th...

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    $0.00 - $0.00
    $0.00
    $20.00
    $20.00 - $20.00
    $20.00
  • Impeller, Cast Iron, Counter Clockwise (CCW), UnitedBuilt M3Z M02181MS - UnitedBuilt Equipment
    Impeller, Cast Iron, Counter Clockwise (CCW), UnitedBuilt M3Z M02181MS - UnitedBuilt Equipment
    3 in stock

    Impeller, Cast Iron, Counter Clockwise (CCW), UnitedBuilt M3Z M02181MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $270.00
    $270.00 - $270.00
    $270.00

    UnitedBuilt threaded Counter-Clock Wise (CCW) cast iron impeller for M3Z pumps (or Berkeley B3Z) style pumps.

    $0.00 - $0.00
    $0.00
    $270.00
    $270.00 - $270.00
    $270.00
  • Packing Split Gland, Cast Iron, UnitedBuilt M3ZRM B82468MS - UnitedBuilt Equipment
    Packing Split Gland, Cast Iron, UnitedBuilt M3ZRM B82468MS - UnitedBuilt Equipment
    Available on backorder

    Packing Split Gland, Cast Iron, 1-1/8" Shaft, UnitedBuilt M3ZRM B82468MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $55.00
    $55.00 - $55.00
    $55.00

    Split packing gland set made of cast iron for B3ZRM/M3ZRM pumps.

    $0.00 - $0.00
    $0.00
    $55.00
    $55.00 - $55.00
    $55.00
  • Hex Nut, Brass, 3/8-16, (2 Required for Packing Gland), UnitedBuilt M3ZRM S23343MS - UnitedBuilt Equipment
    Hex Nut, Brass, 3/8-16, (2 Required for Packing Gland), UnitedBuilt M3ZRM S23343MS - UnitedBuilt Equipment
    591 in stock

    Hex Nut, Brass, 3/8-16, (2 Required for Packing Gland), UnitedBuilt M3ZRM S23343MS

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

    Hex Nut, Brass, 3/8-16 S23343

    $1.50 - $1.50
    $1.50
    $1.50 - $1.50
    $1.50
  • Bolt, Square Head, 3/8"-16 x 2-1/2", (2 Required for Packing Gland), UnitedBuilt M3ZRM S23762MS - UnitedBuilt Equipment
    637 in stock

    Bolt, Square Head, 3/8"-16 x 2-1/2", (2 Required for Packing Gland), UnitedBuilt M3ZRM S23762MS

    UnitedBuilt
    $6.68 - $6.68
    $6.68
    $6.68 - $6.68
    $6.68

    Bolt, Square Head, Zinc Plated 3/8-16 x 2-1/2" S23762

    $6.68 - $6.68
    $6.68
    $6.68 - $6.68
    $6.68
  • Volute, Cast Iron, 4x3, Clockwise (CW), Grooved Ends, UnitedBuilt M3Z H04040MS - UnitedBuilt Equipment
    8 in stock

    Volute, Cast Iron, 4x3, Clockwise (CW), Grooved Ends, UnitedBuilt M3Z H04040MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $369.00
    $369.00 - $369.00
    $369.00

    UnitedBuilt Volute CW Groove (M3Z) Not sure if it fits? Call us at 602-253-7739 or send us a message in our chat.  

    $0.00 - $0.00
    $0.00
    $369.00
    $369.00 - $369.00
    $369.00
  • Retaining Ring, External, Stainless Steel, 1-1/8" Shaft, UnitedBuilt S23009MS - UnitedBuilt Equipment
    26 in stock

    Retaining Ring, External, Stainless Steel, 1-1/8" Shaft, UnitedBuilt S23009MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $5.65
    $5.65 - $5.65
    $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 ...

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    $0.00 - $0.00
    $0.00
    $5.65
    $5.65 - $5.65
    $5.65
  • Shaft Sleeve, Stainless Steel, M3ZRM(S) UnitedBuilt S39242MS - UnitedBuilt Equipment
    38 in stock

    Shaft Sleeve, Stainless Steel, M3ZRM(S) UnitedBuilt S39242MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $71.50
    $71.50 - $71.50
    $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...

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    $0.00 - $0.00
    $0.00
    $71.50
    $71.50 - $71.50
    $71.50
  • Shaft Kit Rope Packing CW UnitedBuilt B80698MS - UnitedBuilt Equipment
    Shaft Kit Rope Packing CW UnitedBuilt B80698MS - UnitedBuilt Equipment
    34 in stock

    Shaft Kit Rope Packing CW UnitedBuilt B80698MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $234.90
    $234.90 - $234.90
    $234.90

    UnitedBuilt B80698MS Shaft Kit for M3ZRM CW rope packing pump. Manufactured in the USA of high-quality materials with precision machining. Direct ...

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    $0.00 - $0.00
    $0.00
    $234.90
    $234.90 - $234.90
    $234.90
  • 10 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
    27 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
  • 94 in stock

    Hex Capscrew 3/8-16 x 7/8" (PUMPBS26825)

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

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

    $2.83 - $2.83
    $2.83
    $2.83 - $2.83
    $2.83
  • 2491 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
  • Ball Bearing 1.18ID X 2.8 UnitedBuilt S13271MS - UnitedBuilt Equipment
    Ball Bearing 1.18ID X 2.8 UnitedBuilt S13271MS - UnitedBuilt Equipment
    6 in stock

    Ball Bearing 1.18ID X 2.8 UnitedBuilt S13271MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $44.70
    $44.70 - $44.70
    $44.70

    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
    $44.70
    $44.70 - $44.70
    $44.70
  • Ball Bearing Single Row UnitedBuilt S13270MS - UnitedBuilt Equipment
    Ball Bearing Single Row UnitedBuilt S13270MS - UnitedBuilt Equipment
    11 in stock

    Ball Bearing Single Row UnitedBuilt S13270MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $28.88
    $28.88 - $28.88
    $28.88

    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.  

    $0.00 - $0.00
    $0.00
    $28.88
    $28.88 - $28.88
    $28.88
  • 3 in stock

    Lock Nut 7/8-9 RH, Stainless Steel (PUMPBM10220)

    UnitedBuilt
    $12.75 - $12.75
    $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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    $12.75 - $12.75
    $12.75
    $12.75 - $12.75
    $12.75
  • Lock Nut 7/8 - 9 LH, Stainless Steel (PUMPBU36 - 189SS) - UnitedBuilt Equipment
    25 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
  • 1 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
  • 1 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
  • Bearing Cap M3ZRM(S) CW & CCW UnitedBuilt S19914MS - UnitedBuilt Equipment
    Bearing Cap M3ZRM(S) CW & CCW UnitedBuilt S19914MS - UnitedBuilt Equipment
    10 in stock

    Bearing Cap M3ZRM(S) CW & CCW 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

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