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YWB10004L - Relay – Yellow

Original price - Original price €10,40
Original price
€10,40
€10,40 - €10,40
Current price €10,40
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.
Relay (yellow) fitted in the under-bonnet fuse and relay box of the vehicle's electrical system.

The relay uses a low-current control signal to switch a higher-current circuit, allowing a switch or control module to operate loads such as the horn, front fog lamps or air-conditioning compressor clutch. The colour identifies the relay's rating and type.
Vehicle Model Land Rover Defender up to 2016
Land Rover Discovery 2 1998-2004 (L318)
Range Rover Classic 1994-2001 (P38)
Fitment Notes DEFENDER 1987-2006 — Yellow. 4.0L V8 EFI Petrol, 50 LE, 90" Wheelbase, RHD, With Air Conditioning
DISCOVERY 2 1998-2004 — Yellow. Under Bonnet Fuse Box (ACE System, Horn, Fog Lamp Front, Air Con Clutch). Qty 2 per vehicle. To (V)YA241594
RANGE ROVER P38 1994-2001 — Yellow, horn - RL9
Alternative Codes
YWB10004LYWB10004

Available to order 2–3 weeks

Not currently in stock. Order now — typically ships within 2–3 weeks.

Need it faster? Contact us about express import (2–5 business days).


When will my order arrive?

This item is ordered from our supplier on request. Typical lead time is 2–3 weeks from order confirmation.

  • Netherlands / Belgium / Germany: 2–4 working days after dispatch.
  • Other EU countries + UK: 4–8 working days after dispatch.
  • Outside EU/UK: contact us for an estimate.

Need it faster? Express import available in 2–5 business dayscontact us before ordering.

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 yellow relay YWB10004L do?
The yellow relay fits the under-bonnet fuse and relay box and switches higher-current circuits from a low-current signal. On these Land Rovers it typically operates the horn, front fog lamps or the air-conditioning compressor clutch. The yellow colour identifies its current rating and type.
How many of these yellow relays does a Discovery 2 use?
A Discovery 2 uses two of these yellow relays per vehicle in the under-bonnet fuse box, covering circuits such as the ACE system, horn, front fog lamp and air-con clutch. Check each position you're replacing so you order the right quantity.
Which Land Rover models use this yellow relay?
This yellow relay fits the Defender with the 4.0 V8 EFI petrol engine, the Discovery 2 and the Range Rover P38. On the Discovery 2 it sits in the under-bonnet fuse box up to VIN YA241594, and on the P38 it's the horn relay in position RL9.