MDY100080L - Sealing Washer – 18mm OD x 12mm ID

- €7,50

€7,50

€7,50 - €7,50

€7,50

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

Sealing Washer - 18 mm OD x 12 mm ID is a sealing washer with a 12 mm inner diameter and an 18 mm outer diameter, used to seal threaded unions and plugs against fluid leakage.

It is fitted at points such as the oil filter union and engine front cover, and at various sensor and plug seats, conforming under tightening to form a leak-tight joint.

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

Fitment Notes DEFENDER 1987-2006 — 2.5L 4 Cyl 300 TDi Diesel (oil filter sealing washer)
DISCOVERY 2 1998-2004 — V8 (front cover)
FREELANDER 1 1997-2006 — 1.8L K Series Petrol; 2.5L KV6 Petrol
RANGE ROVER P38 1994-2001 — 4.0L V8 Petrol; 4.6L V8 Petrol (front cover). 12mm ID, 18mm OD.

Alternative Codes

MDY100080L

In stock 4 units

2 · Gouda 2 · 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 18mm sealing washer used for?

This Genuine Land Rover sealing washer (18mm OD, 12mm ID) seals threaded unions and plugs against fluid leakage. It's fitted at points like the oil filter union and engine front cover, conforming under tightening to form a leak-tight joint.

Which Land Rovers does this sealing washer fit?

This sealing washer fits the Defender (1987-2006, 2.5L 300Tdi oil filter washer), Discovery 2 V8 front cover, Freelander 1 (1.8L K-Series and 2.5L KV6 petrol), and Range Rover P38 (4.0L and 4.6L V8 front cover). Confirm the seat by VIN before ordering.

Can the sealing washer be reused or should it be replaced?

Sealing washers like this typically should be replaced, not reused. The washer deforms to seal the joint, so a used one can leak once disturbed. Fit a fresh one whenever the union or plug is undone, such as at an oil filter change.