ALU1403L - Aluminium Washer by AftermarketEngine Part Land Rover Range Rover Defender, Discovery, Freelander 1, Range Rover

ALU1403L - Aluminiumring

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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.

Aluminium afdichtring is een zachte metalen pletring die onder een schroefplug of -fitting wordt geplaatst om een lekvrije verbinding te vormen.

Wanneer de bout of plug wordt vastgedraaid, vervormt het zachte aluminium om kleine onregelmatigheden op het oppervlak tussen de kop van het bevestigingsmiddel en zijn zitting op te vullen, waardoor vloeistoflekkage wordt voorkomen. Het wordt vaak gebruikt op aftappluggen van carters en versnellingsbakken en andere schroefdraadaansluitingen voor olie en vloeistoffen, en is bedoeld om te worden vervangen telkens wanneer de verbinding wordt losgemaakt.

Vehicle Model Land Rover Defender tot 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 tot 1994
Range Rover Classic 1994-2001 (P38)

Fitment Notes Generieke afdichtings-/aftapplugring – meervoudige toepassingen. Carter: Defender 300TDi, Discovery 2 V8, Range Rover P38 (1994-2001) V8, Range Rover Classic 2.5TDi, Freelander; ook verlengstukken versnellingsbak en voorste huizen.

Alternative Codes

ALU1403LALU1403LX

In stock 202 units

199 · Gouda 3 · 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 ALU1403L aluminium washer do?

The ALU1403L is a soft aluminium crush washer fitted under a threaded plug or fitting to form a leak-tight joint. When torqued, the soft aluminium deforms to fill minor surface irregularities and seals against fluid leaks. It's commonly used on sump and gearbox drain plugs.

Can the aluminium sealing washer be reused?

No, aluminium sealing washers are typically single-use. Once crushed, the washer has deformed to its seat and won't reseal reliably if refitted. Replace it every time the plug or fitting is disturbed to avoid weeping joints. This is standard practice on drain-plug and oil-fitting work.

Which Land Rovers use the ALU1403L washer?

The ALU1403L suits sump and gearbox drain-plug jobs across several Land Rovers, including Defender 300TDi, Discovery 1 and 2, Freelander 1, Range Rover Classic and P38. SAP lists it as a generic sealing washer for sumps, gearbox extension cases and front housings, so match it to your plug seat.

How many aluminium washers do I need for an oil change?

Typically one aluminium washer per drain plug, so a standard engine oil change usually needs one. A job that also drains the gearbox or other fluid housings needs an extra washer per plug. Since they're single-use, it's worth keeping spares for the next service.