Best Automotive Replacement Automatic Temperature Control Relays in 2026

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

Coil power: 1.8w, and coil resistance is 80 ohms. It is more reliable than 2.4w((60 ohms) and 4.8w(30 ohms) relays on the market

Large capacity, high current carrying capacity, heavy-duty make/break relay

Ideal for split charging or any vehicle needing a high-power relay

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).

The 12v relay uses high-quality alloy terminals, and the internal contacts are silver-plated. Durable & Firm & Stable Contact Load: High Power Ideal for universal 12V applications.

Function: 12VDC (14V Max) 4-Pin SPST (Single Pole Single Throw) Relay with 200A High Switching Capability. Perfect for Split Charging or Various Automotive Applications.

High 200A coil capacity- able to handle those high current applications with ease, Heavy duty make or break (on/off) relay.

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).

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

Sufficient for using: 5 pin! 5 pin! 5 pin! you will receive 8 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

Stable for long time use: the black shell of the 12V car relay is made of nylon material which is electrical insulation, the pin is made of brass, which can withstand cold and hot condition, stable and reliable, not easy to break, deform or rust, applicable for a long time

Item Category: Relay

Item Trademark: STANDARD MOTOR PRODUCTS

manufacture: Standard Motor Products

✅ 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>

【High Quality Material】 The housing of our 5-pin relay is made of high quality nylon material, which has excellent electrical insulation waterproof more safe and reliable, and flame retardant guarantees your safety in use.

【High Performance】 The housing is protected from harsh temperatures and hood conditions, for extended wear, Increase the stability and sensitivity of contact, stronger conductivity, and greater current carrying capacity.

【Durable】 Our 12V 30A relay can be used to control the circuits of components with high amperage loads on vehicle, thermal conductivity, arc corrosion resistance, low contact resistance, and long electric life,the housing withstands harsh temperatures and harsh hood conditions, ensuring superior quality and long life.

High Quality Material: The housing of our 5-pin relay is made of high quality nylon material, which has excellent electrical insulation waterproof and flame retardant guarantees your safety in use. The pins are made of brass with double plating treatment, anti-corrosion and anti-breakage.

5-Pin Relay: Our 12V 30A relay can be used to control the circuits of components with high amperage loads on vehicle, such as headlights, fuel pumps and cooling fans. The housing withstands harsh temperatures and harsh hood conditions, ensuring superior quality and long life.

High Performance: The housing is protected from harsh temperatures and hood conditions, for extended wear.