574871 - Coolant Bypass Hose – 2.25 Petrol by PR2 AllmakesCooling or Heating Part Land Rover Range Rover Series

574871 - Koelvloeistof omloopslang – 2.25 Benzine

- €6,70

€6,70

€6,70 - €6,70

€6,70

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Aftermarket: Quality alternative. This is a quality alternative, designed to fit and function like the original part, often at a more competitive price.

Koelvloeistof-bypassslang - 2.25 Benzine is de korte koelvloeistofslang die het thermostaat-bypasscircuit vormt in het koelsysteem van de 2.25L benzinemotor.

Wanneer de thermostaat gesloten is tijdens het opwarmen van een koude motor, circuleert de koelvloeistof via deze bypass – tussen het thermostaathuis en de waterpompinlaat – in plaats van door de radiateur te gaan. Hierdoor bereikt de motor snel de bedrijfstemperatuur voordat de thermostaat opengaat om radiateurkoelvloeistof toe te laten.

Vehicle Model Land Rover Series 2 en 3

Fitment Notes SERIE 2/2A/3 — 2.25L Benzine

Alternative Codes

574871

In stock 3 units

1 · Gouda 2 · Drachten

Express delivery available

30 more on the way · ETA 27-06-2026

When will my order arrive?

Order before 15:00 (Mon–Fri): same-day dispatch for in-stock items.
UPS Express (order before 14:00): dispatched today, delivered tomorrow where available.
Netherlands / Belgium / Germany: 2–4 working days.
Other EU countries + UK: 4–8 working days.
Outside EU/UK: delivery times vary — contact us for an estimate.

30 more units on the way — expected 27-06-2026. Orders beyond current stock are reserved from incoming stock and shipped as soon as they arrive.

Items may ship from multiple warehouses at no extra cost.

Job kits containing this part

This part is included in 0 job kit(s) below. Pick the kit that matches your vehicle and job, then add what you need.

Frequently asked questions

What does the coolant bypass hose 574871 do in the 2.25L petrol cooling circuit?

The bypass hose 574871 forms the thermostat bypass circuit, connecting the thermostat housing to the water pump inlet. When the thermostat is closed during warm-up, coolant recirculates through this hose rather than passing through the radiator, allowing the engine to reach operating temperature quickly on Series 2, 2A, and 3 models.

Where is the coolant bypass hose 574871 located on the engine?

The hose runs between the thermostat housing outlet at the front of the cylinder head and the water pump inlet. It's a short hose, typically visible once the top radiator hose and thermostat housing are accessible on the 2.25L petrol engine.

What are the symptoms of a failed coolant bypass hose on a 2.25L petrol Series?

A split or collapsed bypass hose disrupts the thermostat circuit, typically causing the engine to take longer to reach operating temperature or to overcool at low speeds. In some cases it can also contribute to hot spots at the water pump housing due to reduced flow.