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Plunger Pumps

35 results found that include 35 products

Pressure washer pumps from Grainger use a plunger pump mode of operation to help deliver high-pressure water applications, including car washes, pressure washers, sewer jetting and cooling misting. Find high-pressure triplex pumps that feature precision die-cast crankcases and stainless steel valves to help provide long-lasting durability, plus oversize bearings and connecting rods that help enable heavy load disbursement. Rely on Grainger for heavy-duty pressure washer pumps!Close

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  • Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 5ZNT5
    • Mfr. Model # 5ZNT5
    • , Diecast Aluminum Crankcase, Aluminum Connecting Rod, Forged Brass Pump Head, Oil Bath Lubrication, 5.5 HP...More

  • Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 4WXV7
    • Mfr. Model # 4WXV7
    • Pressure Washer Pump, Shaft Dia. 24 mm, Inlet Port (In.) 1/2 F, Discharge Port (In.) 3/8 F, Needle/Ball...More

  • Direct-Mount Pressure Plunger Pump, 1750 RPM, 5/8" Sha
    Direct-Mount Pressure Plunger Pump, 1750 RPM, 5/8" Sha
    • TM

      Grainger Choice

    • DAYTON
    • Item # 4WXW2
    • Mfr. Model # 4WXW2
    • Pressure Washer Pump, Shaft Dia. 5/8 In., Inlet Port (In.) 1/2 F, Discharge Port (In.) 3/8 F, Needle/Ball...More

  • Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 1MCX7
    • Mfr. Model # 1MCX7
    • Pressure Washer Pump, Plunger, Shaft Dia. 24 mm, Inlet Port (In.) 1/2 F, Discharge Port (In.) 3/8 F, Seal...More

  • Direct-Mount Pressure Plunger Pump, 1750 RPM, 5/8" Sha
    Direct-Mount Pressure Plunger Pump, 1750 RPM, 5/8" Sha
    • TM

      Grainger Choice

    • DAYTON
    • Item # 4WXW4
    • Mfr. Model # 4WXW4
    • Pressure Washer Pump, Shaft Dia. 5/8 In., Inlet Port (In.) 1/2 F, Discharge Port (In.) 3/8 F, Needle/Ball...More

  • Direct-Mount Pressure Plunger Pump, 1750 RPM, 1-1/8" S
    Direct-Mount Pressure Plunger Pump, 1750 RPM, 1-1/8" S
    • TM

      Grainger Choice

    • DAYTON
    • Item # 5ZNT9
    • Mfr. Model # 5ZNT9
    • Pressure Plunger Pump, Direct-Mount, Flow Capacity 4 GPM, 1750 RPM, 1.4 HP Required @ 500 PSI, 8.3 HP...More

  • Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 1MCY2
    • Mfr. Model # 1MCY2
    • Pressure Washer Pump, Plunger, Shaft Dia. 24 mm, Inlet Port (In.) 3/4 F, Discharge Port (In.) 3/8 F, Seal...More

  • Plunger Pressure Washer Pump, 725 1088 1450 RPM,  
    Plunger Pressure Washer Pump, 725 1088 1450 RPM,  
    • TM

      Grainger Choice

    • DAYTON
    • Item # 1MDB4
    • Mfr. Model # 1MDB4
    • - HP Required @ 3500 PSI, Precision Die Cast Crankcase, Aluminum Connecting Rod, Forged Brass Pump Head,...More

  • Direct-Mount Pressure Plunger Pump, 3400 RPM, 1" Shaft
    Direct-Mount Pressure Plunger Pump, 3400 RPM, 1" Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 1MCY8
    • Mfr. Model # 1MCY8
    • Pressure Washer Pump, Plunger, Shaft Dia. (In.) 1 Hollow Shaft, Inlet Port (In.) 1/2 F, Discharge Port (In.)...More

  • Direct-Mount Pressure Plunger Pump, 3450 RPM, 5/8" Sha
    Direct-Mount Pressure Plunger Pump, 3450 RPM, 5/8" Sha
    • TM

      Grainger Choice

    • DAYTON
    • Item # 4WXW3
    • Mfr. Model # 4WXW3
    • Pressure Washer Pump, Shaft Dia. 5/8 In., Inlet Port (In.) 1/2 F, Discharge Port (In.) 3/8 F, Needle/Ball...More

  • Direct-Mount Pressure Plunger Pump, 1750 RPM, 1-1/8" S
    Direct-Mount Pressure Plunger Pump, 1750 RPM, 1-1/8" S
    • TM

      Grainger Choice

    • DAYTON
    • Item # 4WXX6
    • Mfr. Model # 4WXX6
    • Pressure Washer Pump, Shaft Dia. 1 1/8 In., Inlet Port (In.) 1/2 F, Discharge Port (In.) 3/8 F, Needle/Ball...More

  • Direct-Mount Pressure Plunger Pump, 3400 RPM, 3/4" Sha
    Direct-Mount Pressure Plunger Pump, 3400 RPM, 3/4" Sha
    • TM

      Grainger Choice

    • DAYTON
    • Item # 4WXW7
    • Mfr. Model # 4WXW7
    • Pressure Washer Pump, Shaft Dia. 3/4 In, Inlet Port (In.) 3/4 GH, Discharge Port (In.) 22 mm, Needle/Ball...More

  • Direct-Mount Pressure Plunger Pump, 1750 RPM, 1-1/8" S
    Direct-Mount Pressure Plunger Pump, 1750 RPM, 1-1/8" S
    • TM

      Grainger Choice

    • DAYTON
    • Item # 4WXX5
    • Mfr. Model # 4WXX5
    • Pressure Washer Pump, Shaft Dia. 1 1/8 In., Inlet Port (In.) 1/2 F, Discharge Port (In.) 3/8 F, Needle/Ball...More

  • Direct-Mount Pressure Plunger Pump, 3400 RPM, 7/8" Sha
    Direct-Mount Pressure Plunger Pump, 3400 RPM, 7/8" Sha
    • TM

      Grainger Choice

    • DAYTON
    • Item # 4WXX9
    • Mfr. Model # 4WXX9
    • Pressure Washer Pump, Shaft Dia. 7/8 In, Inlet Port (In.) 3/4 GF, Discharge Port (In.) M22, Needle/Ball...More

  • Belt-Drive Pressure Plunger Pump, 1450 RPM, 24 mm Shaft
    Belt-Drive Pressure Plunger Pump, 1450 RPM, 24 mm Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 1MCY1
    • Mfr. Model # 1MCY1
    • Pressure Washer Pump, Plunger, Shaft Dia. 24 mm, Inlet Port (In.) 1/2 F, Discharge Port (In.) 3/8 F, Seal...More

  • Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 1MCX8
    • Mfr. Model # 1MCX8
    • Pressure Washer Pump, Plunger, Shaft Dia. 24 mm, Inlet Port (In.) 3/4 F, Discharge Port (In.) 3/8 F, Seal...More

  • Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 1MCX9
    • Mfr. Model # 1MCX9
    • Pressure Washer Pump, Plunger, Shaft Dia. 24 mm, Inlet Port (In.) 1/2 F, Discharge Port (In.) 3/8 F, Seal...More

  • Direct-Mount Pressure Plunger Pump, 1750 RPM, 5/8" Sha
    Direct-Mount Pressure Plunger Pump, 1750 RPM, 5/8" Sha
    • TM

      Grainger Choice

    • DAYTON
    • Item # 1MDB2
    • Mfr. Model # 1MDB2
    • - HP Required @ 3500 PSI, Precision Die Cast Crankcase, Bronze Connecting Rod, 316 Stainless Steel Pump Head,...More

  • Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 4WXV8
    • Mfr. Model # 4WXV8
    • Pressure Washer Pump, Shaft Dia. 24 mm, Inlet Port (In.) 1/2 F, Discharge Port (In.) 3/8 F, Needle/Ball...More

  • Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 4WXW9
    • Mfr. Model # 4WXW9
    • Pressure Washer Pump, Shaft Dia. 24 mm, Inlet Port (In.) 3/4 F, Discharge Port (In.) 3/8 F, Taper Bearings,...More

  • Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 4WXW6
    • Mfr. Model # 4WXW6
    • Pressure Washer Pump, Shaft Dia. 24 mm, Inlet Port (In.) 1/2 F, Discharge Port (In.) 3/8 F, Needle/Ball...More

  • Direct-Mount Pressure Plunger Pump, 3400 RPM, 3/4" Sha
    Direct-Mount Pressure Plunger Pump, 3400 RPM, 3/4" Sha
    • TM

      Grainger Choice

    • DAYTON
    • Item # 4WXW1
    • Mfr. Model # 4WXW1
    • Pressure Washer Pump, Shaft Dia. 3/4 In., Inlet Port (In.) 1/2 F, Discharge Port (In.) 3/8 F, Needle/Ball...More

  • Direct-Mount Pressure Plunger Pump, 3400 RPM, 1" Shaft
    Direct-Mount Pressure Plunger Pump, 3400 RPM, 1" Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 5ZNT6
    • Mfr. Model # 5ZNT6
    • 7.2 HP Required @ 3500 PSI, Diecast Aluminum Crankcase, Aluminum Connecting Rod, Forged Brass Pump Head, Oil...More

  • Belt-Drive Pressure Plunger Pump, 1450 RPM, 24 mm Shaft
    Belt-Drive Pressure Plunger Pump, 1450 RPM, 24 mm Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 1MDB1
    • Mfr. Model # 1MDB1
    • Pressure Washer Pump, Plunger, Shaft Dia. 24 mm, Inlet Port (In.) 3/4 F, Discharge Port (In.) 3/8 F, Seal...More

  • Direct-Mount Pressure Plunger Pump, 3450 RPM, 5/8" Sha
    Direct-Mount Pressure Plunger Pump, 3450 RPM, 5/8" Sha
    • TM

      Grainger Choice

    • DAYTON
    • Item # 4WXW5
    • Mfr. Model # 4WXW5
    • Pressure Washer Pump, Shaft Dia. 5/8 In., Inlet Port (In.) 1/2 F, Discharge Port (In.) 3/8 F, Needle/Ball...More

  • Direct-Mount Pressure Plunger Pump, 3400 RPM, 3/4" Sha
    Direct-Mount Pressure Plunger Pump, 3400 RPM, 3/4" Sha
    • TM

      Grainger Choice

    • DAYTON
    • Item # 1MDA9
    • Mfr. Model # 1MDA9
    • Pressure Washer Pump, Plunger, Shaft Dia. (In.) 3/4 Hollow Shaft, Inlet Port (In.) GHA, Outlet 22mm, Seal...More

  • Direct-Mount Pressure Plunger Pump, 3400 RPM, 1" Shaft
    Direct-Mount Pressure Plunger Pump, 3400 RPM, 1" Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 5ZNT7
    • Mfr. Model # 5ZNT7
    • 8.4 HP Required @ 3500 PSI, Diecast Aluminum Crankcase, Aluminum Connecting Rod, Forged Brass Pump Head, Oil...More

  • Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    Belt-Drive Pressure Plunger Pump, 1750 RPM, 24 mm Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 1MDB3
    • Mfr. Model # 1MDB3
    • Pressure Washer Pump, Plunger, Shaft Dia. 24 mm, Inlet Port (In.) 1/2 F, Discharge Port (In.) 3/8 F, Seal...More

  • Belt-Drive Pressure Plunger Pump, 1450 RPM, 24 mm Shaft
    Belt-Drive Pressure Plunger Pump, 1450 RPM, 24 mm Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 4WXX1
    • Mfr. Model # 4WXX1
    • Pressure Washer Pump, Shaft Dia. 24 mm, Inlet Port (In.) 1/2 F, Discharge Port (In.) 3/8 F, Taper Bearings,...More

  • Belt-Drive Pressure Plunger Pump, 1526 RPM, 24 mm Shaft
    Belt-Drive Pressure Plunger Pump, 1526 RPM, 24 mm Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 4WXW8
    • Mfr. Model # 4WXW8
    • Pressure Washer Pump, Shaft Dia. 24 mm, Inlet Port (In.) 1/2 F, Discharge Port (In.) 3/8 F, Taper Bearings,...More

  • Direct-Mount Pressure Plunger Pump, 3400 RPM, 3/4" Sha
    Direct-Mount Pressure Plunger Pump, 3400 RPM, 3/4" Sha
    • TM

      Grainger Choice

    • DAYTON
    • Item # 4WXV9
    • Mfr. Model # 4WXV9
    • Pressure Washer Pump, Shaft Dia. 3/4 In., Inlet Port (In.) 1/2 F, Discharge Port (In.) 3/8 F, Needle/Ball...More

  • Belt-Drive Pressure Plunger Pump, 1450 RPM, 24 mm Shaft
    Belt-Drive Pressure Plunger Pump, 1450 RPM, 24 mm Shaft
    • TM

      Grainger Choice

    • DAYTON
    • Item # 5ZNU1
    • Mfr. Model # 5ZNU1
    • , Diecast Aluminum Crankcase, Aluminum Connecting Rod, Forged Brass Pump Head, Oil Bath Lubrication, 5.5 HP...More

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