Best Relays Deals Online in the UK (25 Deals Found)

Last Updated - 15/07/2026 Sort By:

Best Choice
Gebildet

New
Gebildet 2pcs JD1912 Car Relay Harness 12V 40A 4 Pin SPST 12AWG Harness Sockets with Built-in Diode for Automotive Truck
Integrated Diode: Each relay includes a built-in diode that suppresses induced voltage during switching, safeguarding yo

£7.99
AEDIKO

New
AEDIKO 4pcs Relay Module DC 5V 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level Trigger
5V Relay Module: Working Voltage: DC 5V; Maximum Load: AC 250V/10A, DC 30V/10A; Trigger Current of Opto-Isolator: 5mA

£6.99
New
12V 40A 4 Pin Relay Universal Automotive Car Boat Bike Rally Motorsport
Working Current: 40A. 1 × JD1912 Automotive Relay (12V 40A). Number of Pins: 5 Pin. Battery circuits. Automotive wiring

£2.69
Best Value
Ollanoos

New
Ollanoos 10 Pack JD1914 12V 40A 5 Pin SPDT Electrical Relays, Starter Switch Relays for Automotive Truck Motorcycle Boat
High Switching Capability: High current switching capability of 30A and 40A for a wide range of high load applications,

£14.99
New
New Honda Civic (06-16) Mitsuba Air Condition A/C Compressor Relay 39794-SDA-A05
Honda/ Acura 4-Pin Black Micro Relay Mitsuba 7001-5516 12VDC. Part Number:Mitsuba 70015516. Interchangeable Part Number:

£6.99
Ehdis

New
Ehdis 2 pcs Car Relay 12v 40 APM 4 Pin Relay Kit Spst Model No.: JD2912-1H-12VDC 40A 14VDC, Auto Switches & Starters
Brand new heavy duty 4-prongs SPST relays

£7.99
SHUNYABEI

New
2Pcs JD1912 Automotive Relay Switch & Starter 12V 40A SPST 4-Pin for Heavy Duty Cars, Trucks, Motorcycles, Boats (Black)
Package Includes :You will get 2Pcs JD1912 4 pin 12V/40A SPST Automotive Relay

£6.45
New
Control Relay 449 for VW AUDI SEAT SKODA - 1K0951253
It replaces part number 1K0951253. Always check your part number 1K0951253 and relay number 449 before ordering. Health

£10.99
JUUDDENPARTS

New
JUUDDENPARTS 10Pcs Motor Relay Car Fuse Relay, 5 Pin 24V 40A 28VDC JD2912-1Z-24VDC, Boat Truck Van Vehicle Automotive Co
Replace Part Number: JD2912-1Z-24VDC

£17.99
Used
Ford Focus Multi-Use Black Relay 5M5T-14B192-AA FoMoCo V23074-A1801-X17
Make :Tyco / FoMoCo. Genuine Black Multi Purpose Relay. Mondeo, Focus, Fiesta, Galaxy, S-Max, C-Max.etc. Ford (All Model

£6.99
TIANXUAN

New
12V Fuse Automotive Relay Switch Harness Set Gebildet 30A Ato Atc Blade Fuse 4 Pin Spst Automotive Electrical Relays wit
Upgraded Design with Built-in Fuse: Includes 30A ATO/ATC blade fuse integrated into the 12v relay socket, eliminating th

£7.99
QitinDasen

New
QitinDasen 5 Pieces 5 Pin Car Relay, 12V 40A SPDT Automotive Relay with Harness Socket and 14/16 AWG Pre-Wired, for Car
Professional 5 pin automotive relay with SPDT design (Single Pole Double Throw) capable of opening or closing a circuit.

£14.99
New
1/2/4/8 Arduino Pi Channel Relay Board Module Selectable High Low 5V 12V 24V
NO: The relay normally open interface, the relay is suspended before the suction, and the short is connected with COM af

£399.99
33% Off
Bosch

New
Bosch 0332201107 Micro Relay 12V 30A, IP5K4, Operating Temperature from -40 Degree to 100 Degree C, 5 Pin Relay
Changeover relay, 12V, relay switch, five pole relay

£6.14 £9.21
New
12V 40A 4 Pin Relay Universal Automotive Car Boat Bike Rally Motorsport
Upgrade your vehicle’s electrical system with thishigh-quality 12V 40A 4-pin relay, perfect forcars, bikes, boats, and m

£2.55
Gebildet

New
Gebildet 3pcs 12V Fuse Relay Switch 12 AWG Harness Set with Built-in Diode- 30A ATO/ATC Blade Fuse, 4-Pin SPST Automotiv
Upgraded Version - Automotive relays built in fuse socket with included 30A blade fuse, no need of a separate fuse holde

£11.99
New
4 PIN NORMALLY OPEN 12V 70A SPST AUTOMOTIVE RELAY WITH RESISTOR YWB500220
Upgrade or replace with this 4 Pin Normally Open 12V 70A SPST Automotive Relay with Resistor (YWB500220). Designed for r

£8.99
New
5PCS 12V SPDT Automotive Changeover Relay 40A 5-Pin with Socket Holders Auto Car
5PCS DC12V JD1914 Car SPDT Auto Relays 5 Pin 5 Socket Wires Harness Socket 40A. Relay load: 40A/12VDC. Relay technical s

£11.89
New
12V Automotive On/Off Fused Relay 30A 4-Pin with Holder Socket Auto Car UK-
12V relay - 4 pin with socket base/wires/fuse. Normally open relay. Pre-wired sockets ideal for a wider range of automot

£3.70
New
5 x 12V Automotive On/Off Fused Relay 30A 4-Pin with Holder Socket

£12.68
New
Automotive Relay 12V 40Amp 4 Pin Normally Open - Bracket - Genuine EU Manuf.
High Quality Automotive Relay 12V 40AMP 4 Pin. 12V 40AMP 4 Pin Normally Open. Relay Holders Bases. Relay Holders and Bas

£4.49
New
12V Automotive On/Off Fused Relay 30A 4-Pin with Holder Socket Auto Car
1 x 12V 30A 4-Pin Automotive Relay. Integrated fused connection for added circuit protection. Fuse: Inline Fused Holder

£3.55
New
5 PCS 12V Automotive On/Off Fused Relay 30A 4-Pin with Holder Socket NEW
Automotive fusedSPNO relay with 4-pins and 30A blade fuse to protect the circuit. Includes 30A blade fuse. Excellent sho

£12.59
Used
Fits Kia Hyundai (03-15) Turn Signal (Flasher) Relay 95550-05000 12V 85C/M
Genuine Kia / Hyundai3 Pin Black Relay /Turn Signal Flasher Relay. Kia Almost All Models (2003-2015). Hyundai Almost All

£29.99
Used
Genuine Nissan 4-Pin Relay (Replacement) 2523079944 NAiS ACM33221-M29 CM1a-R 12V
Made inJapan by NAiS. Genuine4-Pin Blue Relay / Multi Use Relay. Nissan Most Models From (2006 - 2015). Good Working Ord

£7.99

25 Relays deals are available from: Amazon, eBay stores, starting from £2.55.
The biggest discount we found is 33% on Bosch 0332201107 Micro Relay 12V 30A, IP5K4, Operating Temperature from -40 Degree to 100 Degree C, 5 Pin Relay at Amazon.
The lowest price we found is £2.55 while the highest is £399.99.
Prices for the best Relays deals average at £25.18.
Last updated on July 15, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Relays.