What spare parts are available for the Interpump PUMP W3521 L?

The Interpump PUMP W3521 L has 276 spare parts available including 5 repair kits and individual components such as seals, O-rings, valves, pistons, and bearings. All parts are genuine Interpump components.

How do I order spare parts for the Interpump PUMP W3521 L?

You can add individual parts or repair kits directly to your RFQ cart from this page. For bulk orders or complete service kits, use the "Request Bundle Quote" option. Our engineers will respond within 24 hours with pricing and availability.

Does 3G Electric stock Interpump PUMP W3521 L spare parts?

Yes, 3G Electric supplies Interpump spare parts. We stock commonly ordered repair kits and spare parts for fast dispatch. For non-stocked items, typical lead time is 4-6 weeks from the Interpump factory.

What is the maintenance schedule for the Interpump PUMP W3521 L?

We recommend a full seal kit replacement every 500-1000 operating hours depending on application. Oil changes should be performed every 250 hours. Contact our service team for a customized maintenance plan.

InterpumpPumps & Compressors

Interpump PUMP W3521 L

The Interpump W3521 L is an industrial gear pump delivering 21 L/min at 350 bar, rated for 14.7 kW continuous duty. With a 1450 rpm operating speed, it suits high-pressure hydraulic systems requiring compact…

SKU 3G-ITP-01726

Also listed as: W03521S000 · W03521S 000

Brand

Interpump

Item

PUMP W3521 L

Technical Specifications

Interpump

Flow Rate

21 L/min

Pressure

350 bar

Power

14.7 kW

Speed

1450 RPM

Weight

19.5 kg

Dimensions

351.5 mm

Power

20 HP

Flow (US)

5.55 GPM

Pressure

35 MPa

Pressure

5075 PSI

View Full Spec Sheet

Technical Documents

(1)

Technical Data Sheet

PDF Document

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Need installation or engineering help?

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Interpump Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Used in

Common applications for Interpump

Shipyard hull cleaning and surface prep — HT100 and W951 paired with dual-lance guns for dockyard service

Petrochemical heat-exchanger descaling — WS-series stainless pumps for neutral-pH cleaning chemistry

Outdoor HVAC condenser mist cooling — ZP180 pumps on rooftop chiller decks

Textile fibre-finishing — W170 and W270 for mist-jet application across drying lines

Municipal water treatment — W951 motor pumps for high-pressure disinfection chemical injection

Spare Parts & Repair Kits

Official W3521 parts list — 276 parts, 54 available in catalog

Official Parts List

Exploded Diagram — Male shaft (key)View full size

Repair Kits — Order These for Routine Maintenance

KIT2

KIT 2 OIL SEAL D. 22X32X5,5

34000201×1Available

Interpump PUMP W3521 L

Technical Specifications

Technical Documents

Need installation or engineering help?

Ask a question

Product Description

Used in

Spare Parts & Repair Kits

Interpump Products

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