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Comet Pump Pressure Washer Pump, 4000 PSI, 3.5 GPM, Direct Drive, Gas, Model# ZWDK3540G

Item# A1578151
"Comet Pump Pressure Washer Pump, 4000 PSI, 3.5 GPM, Direct Drive, Gas, Model# ZWDK3540G"
Comet Pump Pressure Washer Pump, 4000 PSI, 3.5 GPM, Direct Drive, Gas, Model# ZWDK3540G

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Comet Pump Pressure Washer Pump, 4000 PSI, 3.5 GPM, Direct Drive, Gas, Model# ZWDK3540G

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$499.99

  • Shipping: 

    Available now

  • Store Pickup: 

    Out of stock at Fredericksburg VA

  • Pre-plumbed and pre-tested
  • Fits 4-bolt engine face plates

See full description

Complete Your Solution

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Price for all four:

$534.96

Frequently Bought Together

  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Accessories

  • Warranty

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Product Summary

The Comet Pump Pressure Washer Pump provides a fast changeover, even in the field. Pre-plumbed and pre-tested. Fits 4-bolt engine face plates. Bolts not included; use existing bolts from old pump to install new pump. Replaces Item#s A157814 and A157815.

What's Included

    (1) Pressure washer pump

Downloads

Product Manual

Features + Benefits

  • Pre-plumbed and pre-tested
  • Fits 4-bolt engine face plates

Key Specs

AttributeSpecification

item#

A1578151

Brand

Comet Pumps

Manufacturer's Warranty

12 months parts/12months labor

Ship Weight

20.0 LB

Max. PSI

4,000
AttributeSpecification

GPM

3.5

Horsepower

13 HP

Product Type

Pump

Shaft Diameter

1 in

Fuel Type

Gasoline

Reviews

Questions & Answers

20 Reviews This action will navigate to reviews.

Questions

1–10 of 10 Questions  
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  1. Can this pump be used on a hot water cold water unit

    1 answer

    1. The maximum water temperature this pump can handle is 140°F, as the seals are only rated for that temperature.

      Helpful?

  2. Is it a upstream or downstream injection pump?

    1 answer

    1. The Comet pump model ZWDK3540G has a built in downstream chemical injector.

      Helpful?

  3. Where are these pumps made

    1 answer

    1. The pump is manufactured in Italy.

      Helpful?

  4. Well, this pump replaced the DW 3635 pump

    1 answer

    1. The pump would be a compatible replacement for the DW3635 pump.

      Helpful?

  5. Will this pump work as a replacement for comet AWD=K 4040 on my existing power washer

    1 answer

    1. This pump will be a compatible replacement for the AWD-K404 pressure washer pump.

      Helpful?

  6. what is the size/diameter of the 4 bolt pattern ?

    1 answer

    1. The size of the bolts would be 3/8 UNC and the diameter would be 6-1/2 inches on center.

      Helpful?

  7. Will 11HP be enough

    I have an 11HP Honda GX340 engine I would like to pair with this pump. Will this be an acceptable match or shoukd I select a smaller pump? If so what pump?

    1 answer

    1. An 11 HP Honda engine with a 1" diameter shaft is compatible with this pressure washer pump.

      Helpful?

  8. Would like to know if this pump design comes with 3/4 shaft

    1 answer

    1. We do have pumps that will work with a 3/4" engine shaft. Please, see my recommendations below.

      Helpful?

  9. Pressure washer pump Item# A1578151

    What is the rpm required for this pump, Item# A1578151, to reach the rated pressure/capacity?

    1 answer

    1. The rpm required for the pressure washer pump is 3600 for reaching rated pressure/capacity.

      Helpful?

  10. Is there such a thing as to much power?

    Is there a power limit as to how much HP the pump can handle?

    1 answer

    1. Yes there is a limit on horse power for this comet pump, the maximum is 13 hp.

      Helpful?

Accessories We Recommend

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Warranty

Manufacturer's Warranty

12 months parts/12months labor

Extend Your Warranty Coverage with a Northern Protection Plan (NPP)

Replacement Plan — 1 Year

A Northern Protection Plan is available after adding the product to your shopping cart.

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Comet Pump Pressure Washer Pump, 4000 PSI, 3.5 GPM, Direct Drive, Gas, Model# ZWDK3540G
4.8 out of 5 stars. 20 reviews

Comet Pump Pressure Washer Pump, 4000 PSI, 3.5 GPM, Direct Drive, Gas, Model# ZWDK3540G

Item # A1578151

$499.99