574658 - Oil filler cap assy by AftermarketEngine Part Land Rover Range Rover Defender, Series

574658 - Oil Filler Cap Assembly

- €45,40

€45,40

€45,40 - €45,40

€45,40

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

Oil Filler Cap Assembly for the rocker (valve) cover of the 2.25L 4-cylinder petrol engine. The cap seals the oil filler neck and incorporates an integral breather filter, venting crankcase pressure from the rocker cover while trapping oil mist carried in the vapour.

Vehicle Model Land Rover Defender up to 2016
Land Rover Series 2 and 3

Fitment Notes DEFENDER 1987-2006 — 2.25L 4 Cyl L/R Petrol, rocker cover & breather

Alternative Codes

574658BR 0858

In stock 4 units

3 · Gouda 1 · 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 filler cap assembly do?

The oil filler cap assembly seals the oil filler neck on the rocker cover of the 2.25L 4-cylinder petrol engine, fitted to the Land Rover Series 2 and 3 and the Defender (up to 2006). It carries an integral breather filter that vents crankcase pressure while trapping oil mist in the vapour.

Why does this oil filler cap have a breather in it?

This cap has an integral breather filter because the 2.25L petrol engine vents crankcase pressure through the filler cap. The mesh lets vapour pass while trapping oil mist. A blocked or missing breather cap can raise crankcase pressure and cause oil leaks, so a clogged one is worth replacing.

When should the oil filler breather cap be replaced?

Replace the oil filler breather cap when the filter mesh is clogged with oil sludge, the seal has hardened, or the cap no longer sits tight on the filler neck. On the 2.25L petrol engine, a blocked breather raises crankcase pressure and can push oil past the seals, so a clean breather keeps venting working.

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