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Interpump WS251 Pump + RS500 Gearbox Assembly
Interpump WS251 Pump + RS500 Gearbox Assembly – image 1
InterpumpPump & Gearbox Assemblies for Engine Drive

Interpump WS251 Pump + RS500 Gearbox Assembly

SKU SA251
Was £1,070.27 ex VATSave 19%
£866.92 ex VAT
£1,040.30 inc. VAT
In stockOrder by 2pm for next-day delivery.
Need help choosing? Call 015395 66193 (Mon–Fri 9am–5pm) or email sales@flowjet.co.uk.

Overview

Interpump WS251 pump and RS500 gearbox assembly rated at 250 bar and 15 LPM, with a 1" (25.4mm) hollow shaft for an SAE J609 A-B flange. It is listed as suitable for the Honda GX390K1QX engine.

Specification

  • Part number: SA251
  • Pump: Interpump WS251
  • Gearbox: RS500
  • Pressure: 250 bar
  • Flow: 15 LPM
  • Power: 10.0hp (7.35 kW)
  • Shaft: 1" (25.4mm) hollow
  • Flange: SAE J609 A-B
  • Manifold: brass
  • Inlet: 1/2" BSP female
  • Outlet: 3/8" BSP female
  • Suitable for: Honda GX390K1QX engine

Service kits

Interpump kits for this pump, taken from the Interpump parts list and quick kit guide. Check the model on your pump plate before ordering.

Piston20 x 50mm
Valve kitKIT1
Oil seal kitKIT2
Water seal kit (3 pistons)KIT69
Complete seal assembly (1 piston)KIT28

Interpump WS251 pump and RS500 gearbox assembly rated at 250 bar and 15 LPM, 10hp, with a 1" hollow shaft, for the Honda GX390K1QX.

Specifications

Brand
Interpump
Search by Interpump model
WS251
Working Pressure
250
Shaft
Hollow Shaft 1"
HP Power Required
7.5KW / 10 Hp
Weight
18.7 kg

Technical information

250 Bar

15 Lpm

10.0 Hp, 7.35 kW

1", 25.4mm hollow shaft

For SAE J609 A-B flange

Brass manifold

1/2"BSP female inlet

3/8"BSP female outlet

Suitable for Honda GX390K1QX engine

Documents

Data Sheet pdf_link_1

Interpump SA251 Parts List.pdf

Data Sheet pdf_link_2

Interpump 47Series 2 Technical Data.pdf

Data Sheet pdf_link_3

Interpump General User Manual.pdf

Data Sheet pdf_link_4

Interpump RS500 User Manual.pdf

Delivery & returns

  • Free delivery on online orders over £200 + VAT to a UK mainland address.
  • Orders processed by 2pm go out on tracked, insured next-working-day delivery.
  • Orders under £200 + VAT: delivery £11.99 + VAT.
  • Returns: ask us for a returns number first. Unused goods in their original packaging can come back at our discretion, less a restocking fee; faulty or wrong items have no fee.
Full delivery & returns details

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