PLEASE NOTE - We will be closed from 5:30pm Thursday 2nd April until 8:30am Tuesday 7th April for the Easter holidays - Any orders placed after 2pm on Thursday will be shipped upon our return on Tuesday the 7th - Happy Easter from all at ALM
(image for) Lucas RB340 Type 25A Voltage Regulator 37342 NCB131
Lucas RB340 Type 25A Voltage Regulator 37342 NCB131
(image for) Lucas RB340 Type 25A Voltage Regulator 37342 NCB131
Lucas RB340 Type 25A Voltage Regulator 37342 NCB131
(image for) Lucas RB340 Type 25A Voltage Regulator 37342 NCB131
(image for) Lucas RB340 Type 25A Voltage Regulator 37342 NCB131
Lucas RB340 Type 25A Voltage Regulator 37342 NCB131
(image for) Lucas RB340 Type 25A Voltage Regulator 37342 NCB131

Order in the next...

::

...for dispatch

Terms apply

Lucas RB340 Type 25A Voltage Regulator 37342 NCB131

SKU: 130884

£18.34

Product Information

External voltage regulator

Replaces Lucas NCB131 regulators

Terminals left to right are: E D WL F B

Spade/Lucar terminals 

12v 25A

Suitable for both positive and negative earth

Supplied Individually

All Prices Shown Are Exclusive Of VAT

Secure Shopping

SHA-256 SSL encryption

Exclusive Online Pricing

Low prices for high quality products

Free UK Delivery

For orders over £100 (ex. VAT)

© 2026 ALM Electrical Solutions.

Website: Small Business Web Designer