Skip to navigation Skip to content

Become a Dealer
Find a Dealer

Track Your Order
Shop
Login

Best Deals
Top 100 Offers
Latest Products
Price List
Products
- Choose a Category
  
  Pressure Cleaners
  
  Water Jetters
  
  Pumps
  
  Motors
  
  Valves
  
  Tanks
  
  Mazzoni Pump Parts
  
  See all Accessories.Discover more products
  Parts & Accessories
  
  Hoses
  
  Guns
  
  Lances
  
  Fittings
  
  Quick Couplings
  
  Batteries
  
  Hose Reels
Industries
- Car Wash
  
  Cleaning
  
  Construction
  
  Demolition
  
  Excavation
  
  House Washing
  
  Infrastructure
  
  Land Fill
  
  Become our Dealer!Schedule an appointment
  Pest Control
  
  Plumbing
  
  Restoration
  
  Roof Cleaning
  
  Sewer
  
  Ware House
  
  Waste
Mazzoni
- Industrial High Pressure
  
  Mazzoni High Pressure Pumps
  
  Mazzoni Electric Motors
  
  Mazzoni Kits & Accessories
  
  Mazzoni Hot Machines
  
  Discover our productsSee all of Mazzoni Products
  Professional Pressure Washers
  
  Mazzoni Hydraulic Machines
  
  Mazzoni Cold Machines
Resources
- Documents & ManualsFind all the documentation you need for all our products and machines we have available.
  
  Service & RepairsSee warranty details below. For more information about all our terms and conditions please visit the Customer Help page.
  
  Warranty / T&C'sOur team of professional mechanics are here to provide you with the best Service and repairs in the industry. Contact us now to schedule your next visit with our team.
  
  Here to HelpNeed further assistance? Contact our Helpful team of professionals directly.
  Contact us here.
Doc’s & Manuals
- MACHINESFind Documentation and Manuals for all our Machines
  
  PUMPSFind Documentation and Manuals for all our Pumps
  
  MOTORSFind Documentation and Manuals for all our Motors
  
  See All Docs & ManualsBrowse all
  ACCESSORIES
  Find Documentation and Manuals for all Accessories
  
  PARTSFind Documentation and Manuals for all Parts
  
  PLUMBINGFind Plumbing related Documentation and Manuals
History
Testimonials
News & Updates
Contact Us

RefinEquip
Nova Pumps
Interpump
Colussi Group
History
News & Updates

Support: +61 29817 5433

Contact: Send Us an Email

Shop By Categories

Best Deals
Top 100 Offers
Latest Products
Price List
Products
- Choose a Category
  
  Pressure Cleaners
  
  Water Jetters
  
  Pumps
  
  Motors
  
  Valves
  
  Tanks
  
  Mazzoni Pump Parts
  
  See all Accessories.Discover more products
  Parts & Accessories
  
  Hoses
  
  Guns
  
  Lances
  
  Fittings
  
  Quick Couplings
  
  Batteries
  
  Hose Reels
Industries
- Car Wash
  
  Cleaning
  
  Construction
  
  Demolition
  
  Excavation
  
  House Washing
  
  Infrastructure
  
  Land Fill
  
  Become our Dealer!Schedule an appointment
  Pest Control
  
  Plumbing
  
  Restoration
  
  Roof Cleaning
  
  Sewer
  
  Ware House
  
  Waste
Mazzoni
- Industrial High Pressure
  
  Mazzoni High Pressure Pumps
  
  Mazzoni Electric Motors
  
  Mazzoni Kits & Accessories
  
  Mazzoni Hot Machines
  
  Discover our productsSee all of Mazzoni Products
  Professional Pressure Washers
  
  Mazzoni Hydraulic Machines
  
  Mazzoni Cold Machines
Resources
- Documents & ManualsFind all the documentation you need for all our products and machines we have available.
  
  Service & RepairsSee warranty details below. For more information about all our terms and conditions please visit the Customer Help page.
  
  Warranty / T&C'sOur team of professional mechanics are here to provide you with the best Service and repairs in the industry. Contact us now to schedule your next visit with our team.
  
  Here to HelpNeed further assistance? Contact our Helpful team of professionals directly.
  Contact us here.
Doc’s & Manuals
- MACHINESFind Documentation and Manuals for all our Machines
  
  PUMPSFind Documentation and Manuals for all our Pumps
  
  MOTORSFind Documentation and Manuals for all our Motors
  
  See All Docs & ManualsBrowse all
  ACCESSORIES
  Find Documentation and Manuals for all Accessories
  
  PARTSFind Documentation and Manuals for all Parts
  
  PLUMBINGFind Plumbing related Documentation and Manuals
History
Testimonials
News & Updates
Contact Us

Search for:

My Account

Returning Customer ?

Sign in

Don't have an account ?

Register

- × Interpump Kit 44 Seal Oil Plunger D 35x52x7
  
  Vendor:
  
  1 × $48.15
- × Mazzoni Kit Cylinder 20mm GM-CW
  
  Vendor:
  
  1 × $83.69
- × Mazzoni Spacer Shim 0.1mm GM-CW XM
  
  Vendor:
  
  1 × $2.46
- × MV Rotojet 255060 Turbo Head
  
  Vendor:
  
  1 × $124.71
- × Bertolini Kit 29 Backing Ring KK
  
  Vendor:
  
  1 × $141.29
- × Interpump K3 Unloader Valve
  
  Vendor:
  
  1 × $186.86
- × Interpump Oil Dipstick G3/4 W425
  
  Vendor:
  
  1 × $20.12
- × Mazzoni ORing Valve Cap MMD-CW MMD-EDM-E4
  
  Vendor:
  
  1 × $2.46
- × Nozzle Fanjet SS 1/4" Meg 15* 055
  
  Vendor:
  
  1 × $17.14
- × MMS2313
  
  Vendor:
  
  1 × $3,827.00
- × Interpump Head Pump 15mm Series 44 W140 WW962
  
  Vendor:
  
  1 × $884.38
- × Hannsen 1/4" Pivot Coupler
  
  Vendor:
  
  1 × $20.00
- × CO2 Regulator
  
  Vendor:
  
  1 × $250.00
- × PA Drain Cleaning Nozzle ST 3 1/4" BSP F
  
  Vendor:
  
  1 × $23.81
- × Interpump WK155 55L/M 2175psi 1000rpm Series 70
  
  Vendor:
  
  1 × $5,921.46
- × Acid Venturi 3:1
  
  Vendor:
  
  1 × $60.00
- × Interpump Oil Sight Glass G 3/4" Series 47
  
  Vendor:
  
  1 × $15.76
- × PA VB80/280 Check Valve
  
  Vendor:
  
  1 × $15.59
- × Oil Filter Lombardini LDW 1404 OF543*
  
  Vendor:
  
  1 × $13.90
- × Interpump WW93B 11L/M 1300psi 2800rpm Series 51
  
  Vendor:
  
  1 × $683.55
- × Mazzoni ORing Valve MMD-CW MMD-EDM-E4
  
  Vendor:
  
  1 × $2.46
- × High Pressure Hose 1/4" 30MT
  
  Vendor:
  
  1 × $330.00
- × PA Vega Gun & Swivel
  
  Vendor:
  
  1 × $150.88
- × Engine Vanguard 35HP
  
  Vendor:
  
  1 × $5,407.50
- × Interpump Kit 2026 Seal D.22 (71HF) WK355
  
  Vendor:
  
  1 × $258.85
- × Interpump Controlset W2-1
  
  Vendor:
  
  1 × $297.18
- × Bertolini Valve ORing KK2028 KT3021
  
  Vendor:
  
  1 × $3.79
- × Wagner PC Lead Screw Ends Repaired/Hardened
  
  Vendor:
  
  1 × $138.00
- × Interpump Rotating Nozzle Rototek 140
  
  Vendor:
  
  1 × $207.04
- × HMS5021B
  
  Vendor:
  
  1 × $9,351.00
- × Blaster Petrol 21ltr@4300psi
  
  Vendor:
  
  1 × $9,594.00
- × Interpump Kit 131 Cylinder Kit 18mm
  
  Vendor:
  
  1 × $84.10
- × Nipple Steel 1/4" Male x 3/8" Male
  
  Vendor:
  
  1 × $6.64
- × Mazzoni Valve Cap MMD-EDM
  
  Vendor:
  
  1 × $9.85
- × PA Chemical Injector Adjustable 2.1mm 3/8" F-M
  
  Vendor:
  
  1 × $55.75
- × Carburetor Gasket Honda GX690 17228Z6L000*
  
  Vendor:
  
  1 × $5.21
- × CYLINDER ø15 PUMP MMD-EDM-E4 KIT
  
  Vendor:
  
  1 × $81.23
- × Blaster Carwash 11ltr@1600psi
  
  Vendor:
  
  1 × $4,059.00
- × Transformer 240V 50 Hz
  
  Vendor:
  
  1 × $158.83
- × Hannsen Snap on 3/8" Tail Female
  
  Vendor:
  
  1 × $14.00
Subtotal: $42,557.64

View cart Checkout

Best Deals
Top 100 Offers
Latest Products
Price List
Products
- Choose a Category
  
  Pressure Cleaners
  
  Water Jetters
  
  Pumps
  
  Motors
  
  Valves
  
  Tanks
  
  Mazzoni Pump Parts
  
  See all Accessories.Discover more products
  Parts & Accessories
  
  Hoses
  
  Guns
  
  Lances
  
  Fittings
  
  Quick Couplings
  
  Batteries
  
  Hose Reels
Industries
- Car Wash
  
  Cleaning
  
  Construction
  
  Demolition
  
  Excavation
  
  House Washing
  
  Infrastructure
  
  Land Fill
  
  Become our Dealer!Schedule an appointment
  Pest Control
  
  Plumbing
  
  Restoration
  
  Roof Cleaning
  
  Sewer
  
  Ware House
  
  Waste
Mazzoni
- Industrial High Pressure
  
  Mazzoni High Pressure Pumps
  
  Mazzoni Electric Motors
  
  Mazzoni Kits & Accessories
  
  Mazzoni Hot Machines
  
  Discover our productsSee all of Mazzoni Products
  Professional Pressure Washers
  
  Mazzoni Hydraulic Machines
  
  Mazzoni Cold Machines
Resources
- Documents & ManualsFind all the documentation you need for all our products and machines we have available.
  
  Service & RepairsSee warranty details below. For more information about all our terms and conditions please visit the Customer Help page.
  
  Warranty / T&C'sOur team of professional mechanics are here to provide you with the best Service and repairs in the industry. Contact us now to schedule your next visit with our team.
  
  Here to HelpNeed further assistance? Contact our Helpful team of professionals directly.
  Contact us here.
Doc’s & Manuals
- MACHINESFind Documentation and Manuals for all our Machines
  
  PUMPSFind Documentation and Manuals for all our Pumps
  
  MOTORSFind Documentation and Manuals for all our Motors
  
  See All Docs & ManualsBrowse all
  ACCESSORIES
  Find Documentation and Manuals for all Accessories
  
  PARTSFind Documentation and Manuals for all Parts
  
  PLUMBINGFind Plumbing related Documentation and Manuals
History
Testimonials
News & Updates
Contact Us

Search

Search for:
40

Search for:

HomeAccessoriesValvesUnloader ValvesInterpump K7.3 Unloader Valve

“Hannsen Snap on 3/8″ Tail Female” has been added to your cart. View cart

Interpump K7.3 Unloader Valve

Accessories, Automatic Unloader Valve, Unloader Valves, Valves

Interpump K7.3 Unloader Valve

Interpump K7.3 Unloader Valve 3000psi, 25-41L/M, 3/8″

$285.12 Including Taxes

Interpump K7.3 Unloader Valve quantity

Description
Reviews
Vendor Info
More Products

Interpump K7.3 Unloader Valve 3000psi, 25-41L/M, 3/8″

SKU: IPZK7.3 Categories: Accessories, Automatic Unloader Valve, Unloader Valves, Valves Tags: Accessories, Automatic, Unloader Valves, Valves

Based on 0 reviews

0.0 overall

0

0

0

0

0

Be the first to review “Interpump K7.3 Unloader Valve” Cancel reply

Your Rating

Your Review

Name *

Email *

Save my name, email, and website in this browser for the next time I comment.

There are no reviews yet.

Vendor Information

No ratings found yet!

Hose Reels
Hose Reel Low Pressure Galvanised
Hose Reels
Hose Reel Low Pressure Galvanised

0 out of 5
(0)

SKU: CEHRLP
$300.00 Including Taxes
Add to cart

Compare
Uncategorized
Blaster Carwash 11ltr@1600psi
Uncategorized
Blaster Carwash 11ltr@1600psi

0 out of 5
(0)

SKU: PCTIS1611SA3
$4,503.00 Including Taxes
Add to cart

Compare
Accessories, Floor Tools, Water Broom
400mm Water Broom
Accessories, Floor Tools, Water Broom
400mm Water Broom

0 out of 5
(0)

16 inch Water Broom, 4 Nozzles, 4000 psi Pressure Washer Floor Cleaning Tool

SKU: *BEWATERBROOM
$116.00 Including Taxes
Add to cart

Compare
Mazzoni Ceramic Pistons, Mazzoni Parts, Mazzoni Pump Kits, Mazzoni Pump Parts, Parts
CERAMIC PISTON ø20 PUMP MMD KIT
Mazzoni Ceramic Pistons, Mazzoni Parts, Mazzoni Pump Kits, Mazzoni Pump Parts, Parts
CERAMIC PISTON ø20 PUMP MMD KIT

0 out of 5
(0)

[cg_accordion title=”Typical Applications”] Aviation Industry Hotels and Apartments Cleaning Contractors Garages Retail Stores Car Detailers Office Buildings Large Workshops and Factories Car Wash [/cg_accordion] [INSERT_ELEMENTOR id=””]

SKU: MZP9.004.013
$46.77 Including Taxes
Add to cart

Compare
Uncategorized
SPACER SHIM MMD
Uncategorized
SPACER SHIM MMD

0 out of 5
(0)

[cg_accordion title=”Typical Applications”] Aviation Industry Hotels and Apartments Cleaning Contractors Garages Retail Stores Car Detailers Office Buildings Large Workshops and Factories Car Wash [/cg_accordion] [INSERT_ELEMENTOR id=””]

SKU: MZP1.060.008
$2.46 Including Taxes
Add to cart

Compare
Hoses
6mm Clear Vinyl Tube 1mt
Hoses
6mm Clear Vinyl Tube 1mt

0 out of 5
(0)

SKU: CELPHOSECLEAR6
$1.62 Including Taxes
Add to cart

Compare

Related products

Accessories, Car Wash, Vacuum Cleaners, Ware House
HYDRAULIC MOTOR PUMP
Accessories, Car Wash, Vacuum Cleaners, Ware House
HYDRAULIC MOTOR PUMP

0 out of 5
(0)

[cg_accordion title=”Typical Applications”] [/cg_accordion] [INSERT_ELEMENTOR id=””]

SKU: 3.006.42.007, 3.006.42.008

Select options
This product has multiple variants. The options may be chosen on the product page
Compare
Accessories, Chemical Venturies, Venturies
PA Chemical Injector Adjustable 1.8mm 3/8″ F-M
Accessories, Chemical Venturies, Venturies
PA Chemical Injector Adjustable 1.8mm 3/8″ F-M

0 out of 5
(0)

PA Chemical Injector Adjustable D 1.8mm, 3/8″ F-M

SKU: PA21017018
$55.75 Including Taxes
Add to cart

Compare
Accessories, Drain Nozzles, Nozzles, Retro Jet
PA Drain Nozzle 1/4″M 060
Accessories, Drain Nozzles, Nozzles, Retro Jet
PA Drain Nozzle 1/4″M 060

0 out of 5
(0)

PA Drain Nozzle 1/4″M 060 1F 8B 3650psi

SKU: PA25121051M
$56.63 Including Taxes
Add to cart

Compare
Accessories, Drain Nozzles, Nozzles, Retro Jet
PA Drain Nozzle 1/4″M 040
Accessories, Drain Nozzles, Nozzles, Retro Jet
PA Drain Nozzle 1/4″M 040

0 out of 5
(0)

PA Drain Nozzle 1/4″M 040 1F 3B 3650psi

SKU: PA25120151
$35.46 Including Taxes
Add to cart

Compare

- Show All Categories

Latest Products

18" Whirl A Way Plastic Cover $63.00 ~~$72.00~~ Including Taxes
Mazzoni Electric Motor Mec180 $6,395.07 Including Taxes
Mazzoni Electric Motor MEC132 Price range: $2,200.84 through $2,804.61 Including Taxes
Boom Arm 360* Roof Mount $930.57 Including Taxes
Interpump WW968C 15L/M 3625psi 3400rpm Series 44 $1,365.16 Including Taxes

Brands Carousel

Asturo

Bertolini

Bosch Rexroth

Briggs & Stratton

Colussi Engineering

Deodouriser

Graco

Honda

Interpump

Kohler Engines

Mazzoni

Mecline

PA

Teco

Vanguard Engines

Wagner

Wikai

Yanmar

Featured Products

Spark Arrestor Honda 30700Z0T821* $23.12 Including Taxes
Muffler/Exhaust Complete Honda 18310Z4M010* $28.28 Including Taxes
Ignition Switch Honda 35100Z6L003* $174.43 Including Taxes

Top Selling Products

PMD-CW13200
Rod Joint Honda 16263Z0G010* $3.31 Including Taxes
Exhaust Pipe 3 Piece Combination $120.00 Including Taxes

On-sale Products

Spark Arrestor Honda 30700Z0T821* $23.12 Including Taxes
Muffler/Exhaust Complete Honda 18310Z4M010* $28.28 Including Taxes
Ignition Switch Honda 35100Z6L003* $174.43 Including Taxes

Sign up to Newsletter

. . .for Product Restocks, New Releases!

Please enable JavaScript in your browser to complete this form.

Email *

Phone

Got Questions ? Call us! +61 29817 5433

Contact Info

53 College Street, Gladesville, NSW, 2111

Let Us Help You

FAQ
Documents & Manuals
Price List
Refund and Returns Policy
Shipping Policy
Privacy Policy
Terms and Conditions

Get to Know Us

Find a Dealer
Become a Dealer
History
News & Updates
Testimonials
Find a Dealer
Store Directory

Customer Care

Track your Order
Customer Service
Returns/Exchange
Product Support
Financial Application
Price List
FAQs

© 2026 COLUSSI GROUP OF COMPANIES - All Rights Reserved

We Recommend

RefinEquip
Nova Pumps
Interpump
Colussi Group
News & Updates
History

My Account

My Account
Track your Order
Customer Service
Returns/Exchange
FAQs
Product Support

Customer Care

History
News & Tips
Testimonials
Store Directory
Documents & Manuals
Financial Application
Price List

About Us

FAQ’s
Warranty & T&C’s
Return Policy
Track your Order
Wishlist
Store Directory

Got Questions ? Call us! +61 29817 5433

* Name

* Email

* Phone No

Subject

* Enquiry

Sending...

Select at least 2 products
to compare

View comparison