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RTC4338 - Sealing Washer – Oil Pump – Auto

- €1,60
€1,60
€1,60 - €1,60
€1,60
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OEM Part
OEM: Made by an Original Equipment Manufacturer. This part is made by an original equipment manufacturer or under their license, ensuring compatibility and quality.
Sealing Washer for the oil pump of the automatic transmission.

It seals the oil pump's pressure circuit within the automatic transmission, maintaining a fluid-tight joint at the sealing face and preventing loss of transmission fluid.
Vehicle Model Land Rover Defender up to 2016
Land Rover Discovery 1 1989-1998 (L318)
Land Rover Discovery 2 1998-2004 (L318)
Range Rover Classic up to 1994
Range Rover Classic 1994-2001 (P38)
Fitment Notes DEFENDER 1987-2006 — automatic transmission only, oil pump sealing washer
DISCOVERY 1 1989-1998 — automatic transmission only
DISCOVERY 2 1998-2004 — automatic transmission only
RANGE ROVER CLASSIC 1986-1994 — automatic transmission only
RANGE ROVER P38 1994-2001 — automatic transmission only
Alternative Codes
RTC4338

In stock 10 units
10 · 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 does the oil pump sealing washer do?
This sealing washer seals the oil pump's pressure circuit inside the automatic transmission, keeping a fluid-tight joint at the sealing face so transmission fluid isn't lost. It's a small but important seal within the auto gearbox's oil pump assembly.
Which gearboxes does this washer fit?
This washer fits automatic transmissions only, on Land Rover Defender, Discovery 1 and Discovery 2, Range Rover Classic and Range Rover P38. Manual gearbox vehicles don't use it. It seals the oil pump inside the automatic gearbox.
Should the sealing washer be replaced every time?
Yes, fit a new sealing washer whenever the oil pump joint is disturbed. Sealing washers like this are typically single-use, since the old one has already been compressed to its sealing shape and usually won't reseal reliably if refitted.