Skip to content
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

Filters

$
$
  • Volute Gasket, 4x3, UnitedBuilt M3Z S05126MS - UnitedBuilt Equipment
    77 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
  • Volute, Cast Iron, 4x3, Counter Clockwise (CCW), Grooved Ends, UnitedBuilt M3Z H04041MS - UnitedBuilt Equipment
    7 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
  • 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, UnitedBuilt M3ZRM B82468MS

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $36.25
    $36.25 - $36.25
    $36.25

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

    $0.00 - $0.00
    $0.00
    $36.25
    $36.25 - $36.25
    $36.25
  • Rope Packing Set (6 Pieces), UnitedBuilt M3ZRM S14022MS - UnitedBuilt Equipment
    59 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, Clockwise (CW), Grooved Ends, UnitedBuilt M3Z H04040MS - UnitedBuilt Equipment
    3 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
    22 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 ...

    View full details
    $0.00 - $0.00
    $0.00
    $5.65
    $5.65 - $5.65
    $5.65
  • Slinger Water 1-3/32 ID, UnitedBuilt M3Z S12260MS - UnitedBuilt Equipment
    85 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
    155 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...

    View full details
    $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
    1 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
  • Save 24% Save %
    1 in stock

    Hydraulic Drive Kit with Bracket, Coupling and Fasteners, 5" B Fit, for XS-439, Franklin 305731905

    Franklin
    $1,375.00
    $1,375.00 - $1,375.00
    $1,375.00
    $1,051.00
    $1,051.00 - $1,051.00
    $1,051.00

    $1,375.00
    $1,375.00 - $1,375.00
    $1,375.00
    $1,051.00
    $1,051.00 - $1,051.00
    $1,051.00
    Save 24% Save %
  • Save 24% Save %
    1 in stock

    Wear Plate FMIH40, Franklin 305455009

    Franklin
    $775.00
    $775.00 - $775.00
    $775.00
    $592.00
    $592.00 - $592.00
    $592.00

    $775.00
    $775.00 - $775.00
    $775.00
    $592.00
    $592.00 - $592.00
    $592.00
    Save 24% Save %
  • Save 21% Save %
    2 in stock

    Retaining Ring, Mechanical Seal XS-439, Franklin 305462028

    Franklin
    $57.00
    $57.00 - $57.00
    $57.00
    $45.00
    $45.00 - $45.00
    $45.00

    $57.00
    $57.00 - $57.00
    $57.00
    $45.00
    $45.00 - $45.00
    $45.00
    Save 21% Save %
  • Mechanical Seal, 1-3/4 Type 21, Short BF1C1, Berkeley S32015 - UnitedBuilt Equipment
    Save 36% Save %
    1 in stock

    Mechanical Seal, 1-3/4 Type 21, Short BF1C1, Berkeley S32015

    Berkeley
    $666.00
    $666.00 - $666.00
    $666.00
    $425.00
    $425.00 - $425.00
    $425.00

    Mechanical Seal, 1-3/4 Type 21, Short BF1C1, Berkeley S32015

    $666.00
    $666.00 - $666.00
    $666.00
    $425.00
    $425.00 - $425.00
    $425.00
    Save 36% Save %
  • Save 24% Save %
    3 in stock

    Set Screw (2 Pack) FMIH-40 Fanklin, 305463075

    Franklin
    $21.27
    $21.27 - $21.27
    $21.27
    $16.25
    $16.25 - $16.25
    $16.25

    $21.27
    $21.27 - $21.27
    $21.27
    $16.25
    $16.25 - $16.25
    $16.25
    Save 24% Save %
  • Save 23% Save %
    4 in stock

    Case Gasket FTT, Franklin 305454042

    Franklin
    $43.77
    $43.77 - $43.77
    $43.77
    $33.50
    $33.50 - $33.50
    $33.50

    $43.77
    $43.77 - $43.77
    $43.77
    $33.50
    $33.50 - $33.50
    $33.50
    Save 23% Save %
  • Save 23% Save %
    1 in stock

    Lip Seal Drive Side 439M, Franklin 305463184

    Franklin
    $108.00
    $108.00 - $108.00
    $108.00
    $82.75
    $82.75 - $82.75
    $82.75

    $108.00
    $108.00 - $108.00
    $108.00
    $82.75
    $82.75 - $82.75
    $82.75
    Save 23% Save %
  • Hydraulic Adapter Mounting Bracket, Franklin 305455017 - UnitedBuilt Equipment
    Hydraulic Adapter Mounting Bracket, Franklin 305455017 - UnitedBuilt Equipment
    Save 24% Save %
    2 in stock

    Hydraulic Adapter Mounting Bracket, Franklin 305455017

    Franklin
    $729.00
    $729.00 - $729.00
    $729.00
    $557.00
    $557.00 - $557.00
    $557.00

    $729.00
    $729.00 - $729.00
    $729.00
    $557.00
    $557.00 - $557.00
    $557.00
    Save 24% Save %
  • 2 in stock

    Impeller Washer, MIH40 FMIT, Franklin 305455015

    Franklin
    $0.00 - $0.00
    $0.00
    $67.00
    $67.00 - $67.00
    $67.00

    $0.00 - $0.00
    $0.00
    $67.00
    $67.00 - $67.00
    $67.00
  • Save 39% Save %
    1 in stock

    Weight Clack B4_K 7/16" Id, Berkeley S14842

    Berkeley
    $131.00
    $131.00 - $131.00
    $131.00
    $79.99
    $79.99 - $79.99
    $79.99

    $131.00
    $131.00 - $131.00
    $131.00
    $79.99
    $79.99 - $79.99
    $79.99
    Save 39% Save %
  • Save 32% Save %
    1 in stock

    Gasket Blind Flange, Berkeley S10364

    Berkeley
    $24.47
    $24.47 - $24.47
    $24.47
    $16.75
    $16.75 - $16.75
    $16.75

    $24.47
    $24.47 - $24.47
    $24.47
    $16.75
    $16.75 - $16.75
    $16.75
    Save 32% Save %
  • 2 in stock

    Impeller, Clockwise (CW) for Self-Priming B4ZRKS, Aftermarket M08095

    UnitedBuilt Choice
    $0.00 - $0.00
    $0.00
    $500.00
    $500.00 - $500.00
    $500.00

    $0.00 - $0.00
    $0.00
    $500.00
    $500.00 - $500.00
    $500.00
  • Weight Clack 7/16" ID x 4-1/8" OD, Berkeley S15325 - UnitedBuilt Equipment
    Save 39% Save %
    4 in stock

    Weight Clack 7/16" ID x 4-1/8" OD, Berkeley S15325

    Berkeley
    $48.00
    $48.00 - $48.00
    $48.00
    $29.25
    $29.25 - $29.25
    $29.25

    Weight Clack 7/16" ID x 4-1/8" OD, Berkeley S15325

    $48.00
    $48.00 - $48.00
    $48.00
    $29.25
    $29.25 - $29.25
    $29.25
    Save 39% Save %
  • Rubber, Clack B4T_K 15-1/16LG Neoprene 6, Berkeley L04119 - UnitedBuilt Equipment
    Save 39% Save %
    4 in stock

    Rubber, Clack B4T_K 15-1/16LG Neoprene 6, Berkeley L04119

    Berkeley
    $156.00
    $156.00 - $156.00
    $156.00
    $95.00
    $95.00 - $95.00
    $95.00

    Berkeley Pump L04119 Repair Part for Centrifugal Irrigation & Industrial Pumps, RUBBER,CLACK B4T_K 15-1/16LG N

    $156.00
    $156.00 - $156.00
    $156.00
    $95.00
    $95.00 - $95.00
    $95.00
    Save 39% Save %
  • 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

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare