ERR7202 - Water rail O-ring V8 P38, D2 Engine Part Land Rover Range Rover Discovery, Range Rover

ERR7202 - O-Ring – V8 – Water Rail

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€0,60

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OEM: Made by an Original Equipment Manufacturer. This part is made by an original equipment manufacturer or under their license, ensuring compatibility and quality.

Water Rail O-Ring for the 4.0L and 4.6L V8 petrol engine, sealing a connection on the coolant water rail.

The water rail distributes coolant across the engine, and this O-ring seals the joint between the rail and its mating housing to prevent coolant leakage. A perished O-ring is a common cause of seepage at this connection, so it is best renewed whenever the water rail is disturbed.

Vehicle Model Land Rover Discovery 2 1998-2004 (L318)
Range Rover Classic 1994-2001 (P38)

Fitment Notes DISCOVERY 2 1998-2004 — V8, water rail O-ring
RANGE ROVER P38 1994-2001 — 4.0L & 4.6L V8 EFI Petrol, water rail O-ring

Alternative Codes

ERR7202

In stock 38 units

28 · Gouda 10 · 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 is the ERR7202 water rail O-ring used for?

The ERR7202 water rail O-ring seals a connection on the coolant water rail of the 4.0L and 4.6L V8 petrol engine. The water rail distributes coolant across the engine, and this O-ring seals the joint between the rail and its mating housing to stop coolant leaks.

Where is the water rail on the V8 engine?

The water rail runs across the top of the 4.0/4.6L V8, in the valley between the cylinder banks, distributing coolant around the engine. This O-ring seals one of its connections, so it's reached once the upper induction components are removed to access the rail.

Why does the water rail O-ring fail?

The water rail O-ring typically perishes and hardens with heat and age, causing coolant seepage at the rail connection. It's a small part but a common leak point on the V8, so it's best renewed whenever the water rail is disturbed rather than refitting an old seal.

How many O-rings do I need?

The water rail on the 4.0/4.6L V8 uses more than one seal at its connections, so it's usually worth renewing all the O-rings on the rail together while it's off. Check how many joints your rail has before ordering so every connection gets a fresh seal.