Best Spdt Automotive Replacement Switches Relays in 2026

Never go beyond its capabilities. Try to stay 10 to 15% below what the rate is for

12-volt 5-prong relay. Excellent water-repellent and dustproof ability, but not using it in water

Be careful when inserting the relay into the socket. If you force it, you will bend the female connectors

Built in fuse socket with included 30A blade fuse with heavy duty 14AWG wires for main contact.

Bosch style 4-Pin SPST (Single Pole Single Throw) Relay.

12VDC (14V Max) and 30A High Switching Capability.

User Manual available for download under Product Information Details

Bosch style 5-Pin SPDT (Single Pole Double Throw) Relay

40A/30A High Switching Capability.

Heavy duty 4-prongs SPST relays, jd1912 12v 40a relay

Use optional Relay Harness, or female Crimp Connectors

High 40A coil capacity- able to handle those high current applications with ease

High switching capability: Normally open 40A/14V DC and normally close 30A/14V DC. Suitable for Nilight LED light bar wiring harness kit

Premium quality: Durable relay and harness socket with 5 wires; Made by high-grade materials to ensure superior quality and long lifespan

Male-female slot design: Unique male-female slot design, easy to connect the relay with harness socket, clean and neat after installation

The 12v relay harness base contains 3*12 AWG and 2*16 AWG cables, length: 5.5 in, which have higher load-bearing capacity and more stable performance.

Function: 12VDC (14V Max) 5 Pin SPDT (Single Pole Double Throw) Relay with 40A/30A High Switching Capability.

Wire Specifications: White - Ground (85), Blue - VDC (30), Black - Trigger (86), Red - Output N/C (87a), and Yellow - Output N/O (87).

Professional, premium aftermarket replacement

Provides the performance and dependability you expect from ACDelco

Manufactured to meet expectations for fit, form, and function

Temperature Electrical Switch — Turns on electric fan at 200 Degrees and shut it off at 180 Degrees

Compatible With — 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 400 413 426W 440 455 330 326 Engines

Relay Switch Kit — New 180 to 200 Degree electric fan thermostat relay switch kit for your cooling system

There are 21 Keys For Most Models of Heavy Equipment

Aftemarket Parts Replace for different backhoes and other equipment

Ignition is on whenever the burner is on (intermittent ignition-also called constant ignition)

Solid state flame sensing circuit

External button to manually reset safety switch after lockout

12V waterproof 5-Pin SPDT Relay Excellent waterproof and dustproof ability, high quality in any weather conditions

12V 5-Pin SPDT Relay Pin Specifications: Ground (85), VDC (30), Trigger (86), Output N/C (87a), and Output N/O (87).

SPDT Relay with 40A/30A High Switching Capability,it has both normally open and normally closed terminals, terminal 87A is powered when the relay is inactive and switches the power to terminal 87 when the relay is activated.

Easy to follow wiring diagram simplify wiring your dual electric fans. RED to 12VDC Positive Battery Terminal, COFFEE to Fan Positive, BLACK to Ignition, GREY to Sending Unit per wiring diagram. Direct replacement part fits 10, 12, 14, and 16 inch cooling fans

Temperature switch turns on fan approximately at 185 Degrees and Off at 175 Degrees. The temp sensor has a 3/8 inch pipe thread, and a 1/2 inch adapter included

This electric cooling fan thermostat kit comes with everything you need, includes 40A relay, wiring harness, thermostat switch, 3/8 inch to 1/2 inch adapter, inline fuse holder, 2 20amp fuse, 1 spade connector for the temp sensor, 8 ring terminals, and 4 wire connectors

【Ease of use】: Direct replacement part for original blower motor resistor, perfect fits for any of 10, 12, 14, and 16 inch fans including dual fans

【High-efficiency Fan Thermostat Temperature Switch】: Turns your electric engine cooling fan on at 185 degree and off at 175 degree

【Fits most engines】: 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 400 413 426W 440 455 330 326 engines

Here is the answer, a time delay relay. This relay fits most common single or dual beam HID wiring harnesses for an easy fix to prevent HID from starting before cranking the engine.

Relays are contact rated at 30A @ 14 VDC, and sealed for waterproof operation

10 second delay before switching On

5 Pin SPDT (Single Pole Double Throw) Bosch Style Electrical Relay.

40A/30A High Switching Capability. These relays have a universal application and can be used in a 12 Volt DC power source, such as automotive setups, car sound systems, security systems, and various other applications.

Pin Specifications: 30V DC. Ground (85), Trigger (86), Output N/C (87a), and Output N/O (87).

Sufficient for using: 5 pin! 5 pin! 5 pin! you will receive 4 pieces 12V 30A 5 pin relays, the size is about 1.02 x 0.94 x 0.63 inch/ 2.6 x 2.4 x 1.6 cm, enough quantity can meet your daily use and replacement, you can share them with your friends and family who need them, these relays are 5 plug please note when ordering

Product number: The product is not suitable for all models and brands, please check the specifications carefully to confirm whether it is applicable before purchasing,The product model is JD1914-12V-30A, 12V 30A SPDT 5 Pin Relay

HELLA electric - electronic solutions provide crucial help in making driving safer, more efficient and more comfortable. HELLA also supports the trend of electric driving with an extensive product portfolio for all development stages of electrification

HELLA relays are meant to do their job reliably for a long time because perfection and durability is one of our strengths right down to the smallest detail. HELLA offers reliable products and one of the widest ranges in the industry

Automotive grade delay-on-release adjustable time delay relay. 12 volt, 4 pins for simple control and ON - OFF switching function

Easy to follow wiring diagram simplify wiring your electric fans. RED to 12VDC positive battery terminal, COFFEE to Fan Positive, BLACK to Ignition, GREY to Sending Unit per wiring diagram. Direct replacement part fits 10, 12, 14, and 16 inch cooling fans. For dual fan wiring, you would need two of this relay kit

Temperature switch turns on fan approximately at 185 Degrees and Off at 175 Degrees. The temp sensor has a 3/8 inch pipe thread, and a 1/2 inch adapter included

This electric cooling fan thermostat kit comes with everything you need, includes 40A relay, wiring harness, thermostat switch, 3/8 inch to 1/2 inch adapter, inline fuse holder, 20 amp fuse, 1 spade connector for the temp sensor, 4 ring terminals and 2 wire connectors

【Fitment】Electric Engine Cooling Fan Thermostat Switch (3/8" pipe thread NPT) is perfect for any of our 7" 10"12"14"16" inch fans.

【OEM FIT】Replaces Part# 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 400 413 426W 440 455 330 326 ENGINES

【Features】This kit is set up to turn your electric fan on at 200 degrees and shut off at 185 degrees and will work with any 12 volt system.

Direct replacement - this sunroof switch is made to match the fit and performance of the original switch on specific vehicle applications

Ideal solution - this switch is a reliable replacement for an original part that has failed due to fatigue

Durable construction - this part is made from quality materials to ensure reliable performance and long service life

❃❃ Digital cycle timer delay module with time ranging from 1 second to 999 hours, available for various application.▲▲ (Notice: no out put Voltage) If you need the E-Manual or meet any other questions, pls contact us and we will send it to you!!!

❃❃ The time relay delay Dual display: Red readout for practical value(PV); Blue readout for set value(SV);79mm*43mm-display panel; 71mm*40mm*24mm-cut out size.

❃❃ Can be used in timing, delaying, cycle timing, intermittent timing, raft fishing machine, slow-down machine DIY, etc.

Sufficient Quantity for Using: the package comes with 4 pieces of automotive replacement electrical system relays, enough to meet your using and replacing demands in daily life, bringing you lots of convenience

Reliable Workmanship for Lasting Service: made of a nylon shell and brass pins, the tilt trim relay is compact and serviceable in structure, hardly breaking or deforming, helping you adjust and transform circuit stably

Nice Replacement for Many Relays: the electrical relay box can be a nice replacement for 582195, 582472, 582473, 584416, 586147 and 586224, offering you a pleasant using experience

This electric cooling fan thermostat kit is set up to turn your electric fan on at 200 degrees and shut off at 185 degrees and will work with any 12 volt system.

Compatible for 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 400 413 426W 440 455 330 326 engines.

185-200 degree electric cooling fan relay kit for your cooling system. Sending Unit Thread Size: 3/8-18 NPT, Voltage: 12 V.

[Fits Most Engines]: 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 400 413 426W 440 455 330 326 engines, the fan thermostat temperature switch is suitable for these engines

[High-efficiency Fan Thermostat Temperature Switch]: The switch will activate your fan when the temperature es 185 degrees(F) and turn off at approximately 175 degrees(F), sensitive temperature control, safe to use

[Specification]: Thread size: 3/8 inch, spanner size: 17, dimensions: approx. 6 x 2.5cm; Come with a hexagonal nut, easy to install

Brand new heavy duty SPST relays

Heavy-duty impact molded relay socket with 4P 4 WIRES

12 Volt 30 amp 4-prong relays

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Manufactured to GM OE specification for fit, form, and function

Standard Instrument Cluster Voltage Regulator (VRC604)

Part number: VRC604

Fit type: Vehicle Specific

【30A/40A Relay】 - These 5 pin relays are rated at 12v 30A/40A (NO: 40A, NC: 30A), spdt heavy duty design relay switch.

【Built-in Diode】 - This 12 volt relay has a built-in diode, which aims to consume the induced voltage that is generated by the coil while switching the status of relay, and therefore protect the electric components from being damaged by the induced voltage.

【12AWG Harness】 - The wires which come with this relay socket are 12AWG/16AWG design, the 12 awg wires include red, blue and yellow wires which are the wires for high power terminals of the spdt relay; and 16 awg white and black wires for the coil terminals.

✅ You Will Get: You will receive 2/4 pcs. of 5-pin 12V 30A relays, the relay size is about 1.4 x 0.9 x 0.6. The model number is JD1914-12V-30A, these relays are 5 plugs. There are enough to keep your relay needs and you can use the other one as a backup in case of emergency.

✅ Reliable Quality: The black housing of 12V automotive relay is made of electrically insulated nylon material, electrically insulated. The pins are made of brass with double plating treatment. The pins are made of brass with double plating treatment, anti-corrosion and anti-breakage. And the base is sealed and waterproof, not easy to short circuit.

✅ Widely Used: Relays are practical automotive tools that are widely used in automotive tail lights, engine compartments, electric cooling fans, electric water pumps, electric fuel pumps, shaved door handle solenoids, trunk solenoids, and other devices.

<ul> <li>Please note! : Products are not suitable for all makes and models. Please check the specifications carefully to confirm suitability before purchase. The model number is JD1914-12V-30A, 12V 30A SPDT 5-pin relay. Laser engraved, environmentally friendly.</li> </ul>

<ul> <li>【Standard 12 V Relay】This 5-pin relay operates at 12V and measures about 1.02 x 0.94 x 0.63 inches,more versatile than a 4-pin relay,with a set of power normally open,a set of normally power closed,a set of power conversioon conntact arrangement,and can control normally open or normally closed high power.</li> </ul>

<ul> <li>【Strict quality requirements】We have been using excellent new pure copper, the team laboratory after tens of thousands of tests, the service life can reach more than 100,000 times. Only to ensure that the product is excellent, so that you can use the safety and peace of mind.</li> </ul>