37D2260L - Engine Plug

- €6,30

€6,30

€6,30 - €6,30

€6,30

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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.

Engine Plug is a core (welch) plug that seals the casting holes in the engine.

Fitted to the cylinder block, cylinder head water jacket and inlet manifold to close the core openings left by the casting process.

Vehicle Model Land Rover Defender up to 2016
Land Rover Discovery 1 1989-1998 (L318)
Land Rover Discovery 2 1998-2004 (L318)
Land Rover Freelander 1 1996-2006 (L314)
Range Rover Classic up to 1994
Range Rover Classic 1994-2001 (P38)

Fitment Notes Core / welch plug.
DEFENDER 1987-2006 — 2.5L 5 Cyl Turbo Diesel: cylinder block, cylinder head (water jacket plug from (V)2A622424; core plug to (V)1A622423), inlet manifold
DISCOVERY 1 1989-1998 — 2.0L 4 Cyl MPi T Series Petrol, cylinder block (From FA393361 to WA799999)
DISCOVERY 2 1998-2004 — 2.5L 5 Cyl Td5: cylinder block, cylinder head, inlet manifold; also V8 upper inlet manifold
FREELANDER 1 1996-2006 — 2.0L I4 8V TCIE, cylinder block
RANGE ROVER P38 1994-2001 — 4.0L / 4.6L V8 EFI Petrol, upper inlet manifold

Alternative Codes

37D2260L37D2260LES

In stock 41 units

31 · 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 Engine Plug and what does it do?

The Engine Plug is a core, or welch, plug that seals the casting holes left in the engine during manufacture. It closes the core openings in the cylinder block, cylinder head water jacket and inlet manifold, keeping coolant sealed inside the engine.

How many Engine Plugs will I need?

You typically need several core plugs per engine, since the block, head and manifold each carry more than one. Many fitters renew the full set while the engine is stripped, because a single leaking core plug means dropping components again to reach it.

Which Land Rover engines use this core plug?

This Engine Plug fits a wide range, including the Defender 2.5L Td5, Discovery 1 and 2, Freelander 1 and the Range Rover Classic and P38 V8. Positions and VIN breaks vary by engine, so check the block, head or manifold location against your engine before ordering.

Why do core plugs fail on Land Rovers?

Core plugs typically fail through internal corrosion, especially where coolant hasn't been changed and its anti-corrosion additives have broken down. A rusted plug can weep or blow out, causing sudden coolant loss. Renewing them during a rebuild avoids a repeat strip-down.