ERR6674 - Engine Plug

- €3,70

€3,70

€3,70 - €3,70

€3,70

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Genuine: Original manufacturer part. This product is the original part designed and produced by the vehicle manufacturer.

Engine Plug - a cylinder head core plug (welch plug) for the Td5 2.5L 5-cylinder turbo diesel engine.

Core plugs seal the casting holes left in the cylinder head during manufacture and close off the coolant jacket. This plug presses into one of those openings to seal the head against coolant loss.

Vehicle Model Land Rover Defender up to 2016
Land Rover Discovery 2 1998-2004 (L318)

Fitment Notes DEFENDER 1998-2006 — Cylinder head core plug. 2.5L 5 Cyl Turbo Diesel (Td5)
DISCOVERY 2 1998-2004 — Cylinder head core plug. 2.5L Td5

Alternative Codes

ERR6674

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 is the ERR6674 engine plug?

The ERR6674 is a cylinder head core plug (welch plug) for the Td5 2.5L 5-cylinder turbo diesel engine. It presses into a casting hole in the cylinder head to seal the coolant jacket against leakage.

Which Land Rovers does this Td5 core plug fit?

This core plug fits the Td5 2.5L engine in the Defender (1998-2006) and Discovery 2 (1998-2004). It's a Genuine Land Rover part for the cylinder head coolant jacket openings.

How many core plugs are needed and when are they replaced?

The Td5 cylinder head has several core plugs, so order the quantity your job needs. They're typically replaced during a head rebuild or when one corrodes and weeps coolant, since a leaking core plug can cause coolant loss.