Karcher Pressure Washer Cylinder Pump Control Head (9.002-456.0)

Name: Karcher Pressure Washer Cylinder Pump Control Head (9.002-456.0)
Brand: Karcher
SKU: 9.002-456.0
Price: 125.0 AUD
Availability: InStock

SKU 9.002-456.0

By: Karcher

$125.00 - $125.00

$125.00

$125.00 - $125.00

$125.00

Availability: 3 in stock ready to be shipped or picked up

Quantity

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Delivery Options:

→ Pickup available at: 208 Princes Highway, Arncliffe.
→ Same day delivery within Sydney, Australia.
→ We ship nationwide.

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Product Description

Karcher Cylinder Pump Control Head – Pressure Washer Spare Part (9.002-456.0)

Prevent severe internal water leaks and restore the unyielding power of your machine with the Karcher Cylinder Pump Control Head (9.002-456.0). Manufactured directly by Karcher, this highly vital, genuine OEM replacement part sits at the very heart of your high-pressure pump assembly. The control head acts as the critical manifold that manages and regulates the extreme internal water flow, ensuring that the intensely pressurized water generated by the pistons is flawlessly directed toward the unloader valve and the high-pressure outlet without leaking into the motor housing.

Subjected to constant, violent hydraulic pressure and extreme temperature fluctuations, original plastic control heads can eventually develop hairline fractures or suffer from degraded internal valve seats. When this occurs, your pressure washer will experience a massive loss of cleaning power, relentless motor pulsing, or water visibly pouring from the casing. By replacing the damaged unit with this durable, factory-tested Karcher pressure washer replacement part, you guarantee a perfect, watertight seal. Designed for rapid, straightforward installation, this pressure washer pump head is the ultimate cost-effective solution to return your equipment to peak commercial performance.

Who Is This Cylinder Pump Control Head Ideal For?

This genuine Karcher control head restores precise water flow and maximum pressure. It is highly recommended for:

Appliance Repair Technicians: Sourcing authentic, exact-fit Karcher pump components to professionally and reliably rebuild client pressure washers.
DIY Homeowners: Safely repairing a cracked pump head on their own domestic pressure washer, completely avoiding the massive expense of buying a new machine.
Commercial Exterior Cleaners: Eliminating machine pulsing and severe pressure drops to ensure their vital cleaning equipment performs flawlessly on the job site.
Cold Climate Residents: Replacing pump heads that have completely cracked or warped after water was accidentally left inside the machine to freeze during winter.

Key Features and Performance Benefits:

Restores Maximum Pressure: Instantly cures internal water leaks and pressure drops caused by hairline cracks in the old control head, returning the machine to factory-level power.
Eliminates Motor Pulsing: Ensures consistent, regulated water flow to the unloader valve, completely stopping the machine from stuttering or surging.
Genuine OEM Precision: Manufactured specifically by Karcher (Part 9.002-456.0) to ensure perfect dimensional accuracy and a flawless fit against the main pump block.
Durable Commercial Build: Engineered from high-strength, pressure-rated materials designed to withstand the immense hydraulic forces of daily cleaning tasks.
Cost-Effective Repair: Allows you to replace the specific faulty manifold rather than discarding the entire expensive motor and pump assembly.

Technical Specifications:

Brand: Karcher (Genuine OEM Replacement Part)
Product Type: Cylinder Pump Control Head / Manifold
Part Number: 9.002-456.0
Compatibility: Suits select Karcher pressure washer models (Always check your machine's parts diagram for exact model fitment)
Function: Maintains regulated water flow, seals the pistons, and directs pressure output.
Application: Internal high-pressure pump assembly repair.

Delivery Information

Dispatch: Items marked as “In stock” or “Ready to be shipped” are usually dispatched within 1 business day after payment is received. If an item is not in stock and ordered from our supplier, please allow 3–5 business days for processing before it is ready for delivery or pickup. All standard delivery options still apply.

Shipping: Delivery costs are calculated at checkout based on your location and order size. Bulky items and chemicals may attract additional freight charges and cannot be sent to PO Boxes.

Delivery: Parcels are delivered by road freight. Authority to leave may be used if no one is available to receive the order. For full details, please see our Shipping & Delivery Policy

Business days to delivery

NSW
City	1 Day
VIC
Melbourne	1 Day
Regional	3–4 Days
QUEENSLAND
Brisbane	1–2 Days
Regional	3–4 Days
SOUTH AUSTRALIA
Adelaide	2–3 Days
Regional	4–5 Days
NORTHERN TERRITORY
All Areas	4–6 Days
WESTERN AUSTRALIA
All Areas	4–6 Days
TASMANIA
All Areas	4–6 Days

Frequently Asked Questions

What is the function of the Cylinder Pump Control Head?

The control head acts as the main 'cap' or manifold of the pump. It sits over the high-pressure pistons, housing the tiny valves that control the direction of the water. It ensures water is squeezed out at high pressure without leaking backward.

How do I know if my control head is broken?

Common symptoms of a cracked or damaged control head include water actively leaking out from the bottom of the plastic machine casing, a severe lack of pressure at the nozzle, or the machine rapidly pulsing on and off when you aren't pulling the trigger.

Why did my original pump head crack?

The most common reason is frost damage; water left inside the pump during winter freezes, expands, and cracks the plastic. They can also crack from general metal/plastic fatigue over years of vibrating under 2000+ PSI of pressure.

Will this part fit my Karcher K3?

Karcher uses many different control head designs across their massive range of models and manufacturing years. You must check your specific pressure washer's parts diagram or match the part number 9.002-456.0 to guarantee it fits your machine.

Does this control head come with the valves and O-rings already installed?

This listing (Part 9.002-456.0) is typically for the bare control head manifold. You will need to carefully transfer the high-pressure valves and rubber O-rings from your old head into this new one, or purchase a new valve kit.

Can I use glue to fix my cracked pump head instead?

Absolutely not. The water inside this pump head is subjected to extreme hydraulic pressure. No standard glue or epoxy will hold; it will instantly burst the moment you turn the machine on. The cracked part must be replaced.

Do I need special tools to replace this?

You will need a set of Torx (star-shaped) screwdrivers or Allen keys to dismantle the main yellow plastic casing of your Karcher and to unbolt the pump head from the motor block.

Should I use grease when installing this?

Yes, when transferring the rubber O-rings into the new head, you should lightly coat them in a dedicated silicone plumber's grease. This prevents the O-rings from tearing when you bolt the head down, ensuring a perfect watertight seal.

Is it safe to do this repair myself?

Because you must open the machine casing near 240V electrical components, you MUST ensure the pressure washer is completely unplugged from the wall. If you are not confident, it is always safest to take the machine to an appliance repair technician.

Is this an original Karcher part?

Yes, this is a 100% genuine OEM Karcher spare part, guaranteeing precise dimensional accuracy to house your pump's internal valves.

How can I prevent my new pump head from cracking in the future?

Always 'winterize' your machine. After you finish washing, disconnect the garden hose, turn the machine on for 2 seconds, and pull the trigger gun to blow all remaining water out of the pump before storing it in your shed.

Do you offer trade pricing for appliance repairers?

Yes, Freshway Supplies provides highly competitive trade and volume pricing for appliance repair technicians and small engine mechanics. Contact us to establish your trade account for spare parts.