ERR4689 - Oil Separator Drain Hose – Engine Breather

- €15,10

€15,10

€15,10 - €15,10

€15,10

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

Oil Separator Drain Hose - Engine Breather is the rubber drain hose that returns separated oil from the crankcase breather oil separator back to the engine sump.

The hose forms part of the crankcase ventilation system. As blow-by gases pass through the breather oil separator, oil droplets are captured and collected; this hose channels that oil back to the sump rather than allowing it to accumulate in the breather assembly or enter the intake tract. Correct condition of this hose is important for maintaining effective crankcase ventilation.

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

Fitment Notes DISCOVERY 1 1989-1998 — 2.5L TDi EGR (Gem), 2.5L 300TDi, to VIN MA081992
RANGE ROVER CLASSIC 1992-1994 — 2.5L TDi, from VIN JA610294

Alternative Codes

ERR4689

In stock 5 units

5 · Gouda 0 · 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 oil separator drain hose do?

The oil separator drain hose returns separated oil from the crankcase breather oil separator back to the engine sump. It's part of the crankcase ventilation system, channelling captured oil droplets to the sump instead of letting them reach the intake. It fits the Discovery 1 and Range Rover Classic 2.5L TDi and 300TDi.

Why does the breather drain hose need replacing?

The breather drain hose typically perishes, hardens, or splits with age and exposure to heat and oil, which can let it leak or collapse and upset crankcase ventilation. Replace it if the rubber is cracked, swollen, or soft, as a failed hose can cause oil misting or crankcase pressure build-up.

How do I confirm this hose fits my vehicle?

On the Discovery 1 this hose fits the 2.5L TDi (Gem EGR) and 300TDi up to VIN MA081992; on the Range Rover Classic it fits the 2.5L TDi from VIN JA610294. Check your VIN against these breaks to confirm the correct breather setup before ordering.