ERC2849 - Viscous Unit

- €116,30

€116,30

€116,30 - €116,30

€116,30

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

Viscous Fan Coupling is the temperature-controlled drive unit between the water pump and the engine cooling fan.

It mounts on the water pump shaft and drives the fan through a silicone-fluid coupling, increasing fan engagement as under-bonnet temperature rises and allowing the fan to freewheel when extra cooling is not needed. This reduces parasitic drag and fan noise once the engine reaches operating temperature.

Vehicle Model Land Rover Discovery 1 1989-1998 (L318)
Range Rover Classic up to 1994
Land Rover Series 2 and 3

Fitment Notes RANGE ROVER CLASSIC 1986-1994 — V8 EFI petrol (3.5L/3.9L, 7-blade) and VM diesel 26D/28D/30D, 5-speed manual less catalyst; 1986-1991 to VIN HA610293, 1992-1994 from JA610294
DISCOVERY 1 — V8 engine
SERIES III 109 — Stage 1 V8 (detoxed engine)

Alternative Codes

ERC2849ERC2849ESBR 0578ERC1195

In stock 2 units

1 · Gouda 1 · Drachten

Express delivery available

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.

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 viscous fan coupling do?

The viscous fan coupling is a temperature-controlled drive unit between the water pump and cooling fan. It increases fan engagement as under-bonnet temperature rises and lets the fan freewheel once the engine is warm, cutting drag and fan noise. Fitted to the Range Rover Classic, Discovery 1 V8 and Series III Stage 1 V8.

What are the signs a viscous coupling needs replacing?

A failing viscous coupling usually shows up as engine overheating in traffic, a fan that spins freely when cold with no resistance, or a roaring fan that stays engaged at speed. The silicone fluid degrades with age and heat. Most of these symptoms point to the coupling rather than the water pump itself.

Does this include the cooling fan?

This is the viscous coupling unit only, not the fan blade. The fan typically bolts to the front face of the coupling and is reused or ordered separately. On these V8 and VM diesel applications the fan is usually a 7-blade unit. Check your existing fan transfers across before fitting.

How do I confirm this fits my Range Rover Classic?

Fitment splits by build date on the Range Rover Classic 1986-1994. Cars from 1986-1991 run to VIN HA610293 and 1992-1994 from JA610294. It also fits the Discovery 1 V8 and Series III 109 Stage 1 V8. Use your VIN to confirm the variant before ordering.