Menu
Skip to main content
phone.svg 015395 66193email.svg sales@flowjet.co.uk
FacebookTwitterBlogYoutube
All Products
Brands
Machine Repair
Size Charts
Offers
Contact Us
Type to search
Type to search

Shop popular:

NEW Nilfisk Hot Pressure WashersPressure WashersMachine Parts by BrandPumps & SparesPopular High Pressure HosesHose ReelsNozzlesPressure Washer TriggersUnloader ValvesInterpump Service Kits

Free UK mainland delivery on orders over £200 excluding VAT

Speak to an Expert: 015395 66193

Finance Available

Rated 4.8 on Google

Pressure Washer Parts & SparesPressure Washer Parts & Spares
Pump & Gearbox Assemblies

Pump & Gearbox Assemblies

Interpump pump and gearbox assemblies for engine and PTO drive, including W140, W154 and EVO 2 pumps with RS99 gearboxes, WS151, WS201, WS202 and EVO 3 pumps with RS500 gearboxes, and W151, W162, W201 and WS1040 pumps with M-PTO gearboxes. Pump sub assemblies with unloaders and inlet fittings, and a flexible drive coupling for engines, are also listed.

Pump & Gearbox Assemblies for Engine DrivePump & Gearbox Assemblies for PTO Drive

22 products

INTERPUMP 100 BAR PTO PRESSURE WASHER

WS1040 + M-PTO Assembly 28 LPM 100 Bar

SKU: SAP1028
Call for Price
Interpump EVO 3 Pump + RS500 Gearbox Assembly (Part No: SA2118) with 210 Bar pressure, 18 LPM flow rate, 9.8 HP motor, nickel-plated brass manifold, 1” hollow shaft, and SAE J609 A-B flange. Ideal for industrial cleaning.

Interpump EVO 3 Pump + RS500 Gearbox Assembly SA2118

SKU: SA2118
In Stock
Was £898.88 ex vat£873.71 inc. vat£728.09 ex vat
Interpump E3B1515M Sub Assembly (Part No: S400-1007), engine-mount design for Honda GX240K1QX, 15 LPM, 150 Bar, with RS500 gearbox, VRT3 unloader valve, adjustable chemical injector, and easy prime valve.

E3B1515M + Unloader + Inlet Assembly 15/150

SKU: S400-1007
Out of Stock
Was £1,023.91 ex vat£995.24 inc. vat£829.37 ex vat
Interpump Flexible Drive Coupling ZGONDA

Interpump ZGONDA Engine Drive Coupling – 24mm Pump Shaft x 1" Engine Shaft, SAE J609, IP 44-50-53-58-60-63-MF1 Pumps

SKU: ZGONDA
In Stock
Was £33.30 ex vat£32.36 inc. vat£26.97 ex vat
Interpump EVO 3 Pump + RS500 Gearbox Assembly

Interpump EVO 3 Pump + RS500 Gearbox Assembly

SKU: SA2515
In Stock
Was £874.05 ex vat£849.58 inc. vat£707.98 ex vat
Interpump W201 Pump + M-PTO Gearbox Assembly

Interpump W201 Pump + M-PTO Gearbox Assembly

SKU: SAP201
Out of Stock
Was £1,061.42 ex vat£1,031.70 inc. vat£859.75 ex vat
Interpump W162 Pump + M-PTO Gearbox Assembly

Interpump W162 Pump + M-PTO Gearbox Assembly

SKU: SAP162
Out of Stock
Was £1,061.42 ex vat£1,031.70 inc. vat£859.75 ex vat
INTERPUMP PTO

Interpump W151 Pump + M-PTO Gearbox Assembly

SKU: SAP151
Out of Stock
Was £958.49 ex vat£931.66 inc. vat£776.38 ex vat
Interpump EVO 3 Pump + RS500 Gearbox Assembly

Interpump EVO 3 Pump + RS500 Gearbox Assembly

SKU: SA2121
In Stock
Was £874.05 ex vat£849.58 inc. vat£707.98 ex vat
Interpump WS202 Pump + RS500 Gearbox Assembly

Interpump WS202 Pump + RS500 Gearbox Assembly

SKU: SA202
In Stock
Was £967.43 ex vat£940.34 inc. vat£783.62 ex vat
Interpump EVO 2 Pump + RS99 Gearbox Assembly

Interpump EVO 2 Pump + RS99 Gearbox Assembly

SKU: SA2014
In Stock
Was £691.16 ex vat£671.81 inc. vat£559.84 ex vat
Interpump WS201 Pump + RS500 Gearbox Assembly

Interpump WS201 Pump + RS500 Gearbox Assembly

SKU: SA201
In Stock
Was £967.43 ex vat£940.34 inc. vat£783.62 ex vat
Interpump W154 Pump + RS99 Gearbox Assembly

Interpump W154 Pump + RS99 Gearbox Assembly

SKU: SA154
In Stock
Was £712.58 ex vat£692.63 inc. vat£577.19 ex vat
Interpump EVO 3 Pump + RS500 Gearbox Assembly

Interpump EVO 3 Pump + RS500 Gearbox Assembly

SKU: SA1515
Out of Stock
Was £898.88 ex vat£873.71 inc. vat£728.09 ex vat
Interpump WS151 Pump + RS500 Gearbox Assembly

Interpump WS151 Pump + RS500 Gearbox Assembly

SKU: SA151
Out of Stock
Was £898.88 ex vat£873.71 inc. vat£728.09 ex vat
INTERPUMP SA140

Interpump W140 Pump + RS99 Gearbox Assembly

SKU: SA140
In Stock
Was £717.24 ex vat£697.15 inc. vat£580.96 ex vat
Interpump E3B2121M Sub Assembly (Part No: S400-1006), engine-mount design for Honda GX390K1QX, 21 LPM, 200 Bar, with RS500 gearbox, VRT3 unloader valve, adjustable chemical injector, and easy prime valve.

Interpump E3B2121M Sub Assembly 21/200

SKU: S400-1006
Out of Stock
Was £1,000.32 ex vat£972.31 inc. vat£810.26 ex vat
Interpump E3B2118M Sub Assembly (Part No: S400-1005), engine-mount design for Honda GX390K1QX, 18 LPM, 200 Bar, with RS500 gearbox, VRT3 unloader valve, adjustable chemical injector, and easy prime valve.

Interpump E3B2118M Sub Assembly 18/200

SKU: S400-1005
In Stock
Was £1,020.76 ex vat£992.18 inc. vat£826.82 ex vat
Interpump E3B2515M Sub Assembly (Part No: S400-1004), engine-mount design for Honda GX390K1QX, 15 LPM, 250 Bar, with RS500 gearbox, VRT3 unloader valve, adjustable chemical injector, and easy prime valve.

Interpump E3B2515M Including Gearbox 15/250

SKU: S400-1004
In Stock
Was £997.18 ex vat£969.26 inc. vat£807.72 ex vat
Interpump WS251 Sub Assembly (Part No: S400-1003), engine-mount design for Honda GX390K1QX, 15 LPM, 250 Bar, with RS500 gearbox, VRT3 unloader valve, and adjustable chemical injector.

Interpump WS251 Sub Assembly

SKU: S400-1003
Out of Stock
Was £1,163.89 ex vat£1,131.30 inc. vat£942.75 ex vat
Interpump WS202 Sub Assembly (Part No: S400-1002), 21 LPM, 200 Bar, 10 HP with RS500 gearbox, VRT3 unloader valve, adjustable chemical injector, ES1 easy start valve, compatible with Honda GX390K1QX engine.

Interpump WS202 Complete With Unloader & Water Filter

SKU: S400-1002
In Stock
Was £1,095.95 ex vat£1,065.26 inc. vat£887.72 ex vat
Interpump WS201 Sub Assembly

Interpump WS201 Sub Assembly

SKU: S400-1001
In Stock
Was £1,099.02 ex vat£1,068.25 inc. vat£890.21 ex vat
Page 1 of 1

Get 10% Off Your First Order

Join our trade list for new-stock alerts, clearance deals and expert cleaning tips. View our Privacy Policy. Unsubscribe at any time.

Flowjet Cleaning Equipment is a family-run

business dealing in commercial and industrial

Pressure Washers

Customer Service
Contact UsAbout UsOur BrochuresServicing & RepairMachine Collection & Repair ServiceFinance
Charts and Drawings
Pressure Washer Nozzle ChartFoam Nozzle Size ChartParts DrawingFAQsDrone Cleaning EquipmentElectric Motor Sizing Guide
Information
Delivery & ReturnsTerms & ConditionsPrivacy PolicyCookie Policy
Address

Flowjet Cleaning Equipment LTD

Unit 4, Gatebeck Farm

Gatebeck, Kendal

LA8 0HW

United Kingdom

015395 66193sales@flowjet.co.uk
© 2026. Flowjet Cleaning Equipment Ltd. All rights reserved. Company No. 07548943 / VAT No. 946227313Built by Vitara Commerce
FacebookTwitterBlogYoutube

PROMO: Get 10% OFF

Would you like to save 10% on your order today? Enter your email address to receive a discount code!

By signing up, you agree to receive marketing emails. View our privacy policy and terms of service for more info.