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

- × Whirl A Way Brush 20"
  
  Vendor:
  
  1 × $200.00
- × PA Vega Gun Repair Kit
  
  Vendor:
  
  1 × $25.98
- × PA RL84 Shoulder Rest
  
  Vendor:
  
  1 × $52.01
- × Lance Stainless Steel 2mtrs
  
  Vendor:
  
  1 × $60.00
- × MV Quick Coupling ARF 3P Part B 1/4" M
  
  Vendor:
  
  1 × $23.07
- × MV Rotojet 400055 Repair Kit
  
  Vendor:
  
  1 × $105.65
- × AM Drain Nozzle Monster 3/8" Female 070
  
  Vendor:
  
  1 × $113.72
- × Mazzoni Electric Motor MEC112
  
  Vendor:
  
  1 × $1,310.77
- × Interpump Rotating Nozzle Rotomax 3
  
  Vendor:
  
  1 × $160.76
- × Plug Brass 1" Male BSPT
  
  Vendor:
  
  1 × $16.86
- × Interpump Speedmatic Throttle
  
  Vendor:
  
  1 × $146.29
- × CERAMIC PISTON ø22 PUMP GM-1 KIT
  
  Vendor:
  
  1 × $64.00
- × MV Rotojet 400120 Turbo Head
  
  Vendor:
  
  1 × $274.40
- × WX5000
  
  Vendor:
  
  1 × $9,187.44
- × Interpump AB140 140L/Min 650rpm Series 68AGRI
  
  Vendor:
  
  1 × $5,804.02
- × PA SW90 Swivel SS/Brass 3650psi 3/8" MF
  
  Vendor:
  
  1 × $109.05
- × Mazzoni ORing Back Plate GM-CW XM
  
  Vendor:
  
  1 × $4.92
- × High Pressure Hose Grey 3/8" 7.1-9MT
  
  Vendor:
  
  1 × $120.00
- × MMS3021
  
  Vendor:
  
  1 × $4,717.00
- × Coil Ignition Honda GX390 30500Z5T003*
  
  Vendor:
  
  1 × $93.74
- × Acid Venturi Hose Tail Diffuser Nozzle
  
  Vendor:
  
  1 × $15.00
- × CYLINDER ø15 PUMP MMD-EDM-E4 KIT
  
  Vendor:
  
  1 × $81.23
- × MMS1611
  
  Vendor:
  
  1 × $3,136.00
- × 7.3Mtr Telescopic Wand
  
  Vendor:
  
  1 × $314.00
- × CERAMIC PISTON ø15 PUMP MMD-EDM-E4 KIT
  
  Vendor:
  
  1 × $49.23
- × Blaster Diesel 15ltr@3000psi
  
  Vendor:
  
  1 × $9,279.00
- × PA Pulsar 3 Shear Pin 3x18mm
  
  Vendor:
  
  1 × $3.76
- × Elbow Steel 1/4" Male x 1/4" Female
  
  Vendor:
  
  1 × $15.85
- × ORING BACK PLATE LM 209.14x3.53
  
  Vendor:
  
  1 × $4.92
- × PA Foam Injector 1/4" BSPT M 2.5mm
  
  Vendor:
  
  1 × $31.86
- × Remote Receiver Mount*
  
  Vendor:
  
  1 × $7.98
- × PA MR-O Swivel Brass 3650psi 3/8" MF
  
  Vendor:
  
  1 × $47.79
- × Interpump Conrod Brass WS137 W997 WS149 W98
  
  Vendor:
  
  1 × $306.10
Subtotal: $35,882.40

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:
33

Search for:

HomeAccessoriesValvesUnloader ValvesInterpump KR90 Unloader Valve

“Interpump Conrod Brass WS137 W997 WS149 W98” has been added to your cart. View cart

Interpump KR90 Unloader Valve

Accessories, Automatic Unloader Valve, Unloader Valves, Valves

Interpump KR90 Unloader Valve

Interpump KR90 Unloader Valve 1300psi, 8L/M

$263.18 Including Taxes

Interpump KR90 Unloader Valve quantity

Description
Reviews
Vendor Info
More Products

Interpump KR90 Unloader Valve 1300psi, 8L/M

SKU: IPZKR90 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 KR90 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!

Fittings
Hannsen Snap on 1/4″ Body Female
Fittings
Hannsen Snap on 1/4″ Body Female

0 out of 5
(0)

SKU: CEHANNSENBF1/4
$24.00 Including Taxes
Add to cart

Compare
Uncategorized
ORING VALVE XM OR 119
Uncategorized
ORING VALVE XM OR 119

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: MZP4.005.023
$2.46 Including Taxes
Add to cart

Compare
Uncategorized
MV Rotojet 400055 Repair Kit
Uncategorized
MV Rotojet 400055 Repair Kit

0 out of 5
(0)

SKU: MV0204106925
$105.65 Including Taxes
Read more

Compare
Uncategorized
Thermostat Case 1/2GM
Uncategorized
Thermostat Case 1/2GM

0 out of 5
(0)

SKU: TM100101
$33.19 Including Taxes
Add to cart

Compare
Kits & Accessories, Mazzoni
Mazzoni Kit Seal 20mm MMD-CW
Kits & Accessories, Mazzoni
Mazzoni Kit Seal 20mm MMD-CW

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: MZP9003053
$115.70 Including Taxes
Add to cart

Compare
Fittings
Reducing Socket Steel 1/4″ Female x 3/8″ Male
Fittings
Reducing Socket Steel 1/4″ Female x 3/8″ Male

0 out of 5
(0)

SKU: CESREDSOCK1/4Fx3/8M
$6.08 Including Taxes
Add to cart

Compare

Related products

Accessories, Drain Nozzles, Nozzles, Retro Jet
PA Drain Noz 1/4″M 060 Modified Thread & Hannsen
Accessories, Drain Nozzles, Nozzles, Retro Jet
PA Drain Noz 1/4″M 060 Modified Thread & Hannsen

0 out of 5
(0)

PA Drain Nozzle 1/4″M 060 1F 8B 3650psi
PA Drain Noz 1/4″M 060 Modified Thread & Hannsen

SKU: PA25121051MMOD
$78.63 Including Taxes
Add to cart

Compare
Accessories, Chemical Venturies, Venturies
PA Blue Chemical Injector Extended 3/8″ BSP mm
Accessories, Chemical Venturies, Venturies
PA Blue Chemical Injector Extended 3/8″ BSP mm

0 out of 5
(0)

PA Blue Chemical Injector Extended 3/8″ BSP mm
220bar 25L/Min

SKU: PA21060018
$86.10 Including Taxes
Add to cart

Compare
Accessories, Chemical Venturies, Venturies
PA Red Chemical Injector Extended 3/8″ BSP mm
Accessories, Chemical Venturies, Venturies
PA Red Chemical Injector Extended 3/8″ BSP mm

0 out of 5
(0)

PA Red Chemical Injector Extended 3/8″ BSP mm
220bar 15L/Min

SKU: PA21060014
$89.60 Including Taxes
Add to cart

Compare
Accessories, Nozzles, Sand Blaster Head
PA Sand Blasting Head Flat
Accessories, Nozzles, Sand Blaster Head
PA Sand Blasting Head Flat

0 out of 5
(0)

PA Sand Blasting Head Flat

SKU: PA25045000
$888.44 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
Interpump Low Pressure Seal ORing 8-90 $1.02 Including Taxes
Interpump Teflon Ring Valve Cap Series 66 $7.69 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 *

Website

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