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PRC2911 - Reverse & Diff Lock Switch

Original price - Original price €5,40
Original price
€5,40
€5,40 - €5,40
Current price €5,40
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Reverse & Differential Lock Switch is a plunger-operated switch used in the manual gearbox and transfer box electrical circuits.

The same switch serves two roles. Screwed into the LT77 gearbox it closes the reverse lamp circuit when reverse gear is selected; fitted to the LT230 transfer box it operates the differential lock warning lamp when the centre differential is locked. It is actuated mechanically by the selector and signals the lamp circuit on engagement.
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
Fitment Notes DEFENDER 1986-2006 — reverse lamp switch (to (V) LA939975, from FA410277) and differential lock switch on front output shaft (2A642630)
DISCOVERY 1 1989-1998 — reverse lamp switch (gearchange, 4 cyl & V8 manual, from LA081991) and diff lock switch on front output shaft
DISCOVERY 2 1998-2004 — differential lock switch, front output shaft (to 2A999999)
RANGE ROVER CLASSIC 1986-1994 — differential lock switch 1986-1991 to VIN HA610293; gearchange / reverse lamp switch 1992-1994 from VIN JA610294
Alternative Codes
PRC2911RPRC2911

In stock 7 units
3 · Gouda 4 · 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 PRC2911 switch and what does it do?
The PRC2911 is a plunger-operated switch with two roles. In the LT77 gearbox it closes the reverse lamp circuit when reverse is selected; in the LT230 transfer box it operates the differential lock warning lamp when the centre diff is locked. It's actuated mechanically by the selector.
Is the reverse switch the same part as the diff lock switch?
Yes, the reverse lamp switch and the differential lock switch are the same part. Screwed into the LT77 gearbox it works the reverse lights; fitted to the LT230 transfer box it works the diff-lock warning lamp. One switch covers both jobs.
Which vehicles fit the PRC2911 switch?
The PRC2911 switch fits the Defender (1986-2006), Discovery 1 (1989-1998), Discovery 2 (1998-2004), and Range Rover Classic (1986-1994). On the Classic it's up to VIN HA610293 for 1986-1991 and from JA610294 for 1992-1994.
What are the signs this switch has failed?
A failed switch typically shows as reverse lights that don't come on, or a differential lock warning lamp that stays off or stays lit when it shouldn't. Because it's mechanically plunger-operated, check the contact and threads when symptoms appear.