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

Interlocking design relay socket harness base for easy cable management & organization.

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

40A/30A high switching capability

Bosch style 5-prong universal standard relay, SPDT (Single Pole Double Throw)

Pin Specifications: 30-VDC, 85-Ground, 86-Trigger, 87-Output N/O, 87a-Output N/C

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).

Country Of Origin : China

The Package Height Of The Product Is 1.1 Inches

The Package Length Of The Product Is 3.0 Inches

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.

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

Please make sure you made tight connections (especially on the load wires)

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

12V 30A 5-Prongs High-current welded connections for reliability,model JD1914-12V-30A

Standard is a global manufacturer of original equipment ignition products; complete quality control is maintained through the manufacturing process from componentry to finished product

High quality composite housings protect against harsh temperatures and severe under hood conditions

1order = 4 Pieces

Special features: Relay For FUSION F150

Better Performance

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

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

[Reliable Quality] The black shell is made of nylon material, which is electrical insulation, and the pin is made of brass, which can withstand cold and hot condition. Very durable and sturdy in use, no deformation and rust, perfectly made for long-term use.

[Specification] The size is 1.41 x 0.94 x 0.63 inch/ 3.6 x 2.4 x 1.6 cm approximately. Our 30A 12V relay can be used to control the circuits of components with high amperage loads on vehicle, such as headlights, fuel pumps and cooling fans.

[Easy to Use] Our motor relayis suitable for normal antomobile to use, simple operation, you only need to connect the relay and wire, no need other tools, very convenient and easy to use and replace, allow components work normally.

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

APIELE DC 12 volt 40/30 amp 5 pin automotive waterproof relay with harness

Weatherproof shell and rubber seal keep relay working in high quality

16 AWG wire: Pin 85,86; 14 AWG wire: Pin 30,87,87a, different color wires for easy wiring

【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.

Heavy Duty Replacement Part

Brand New Like OEM

Fits Volvo: 240 244 245 740 760 780 940 (Check Description for Model Year and Trim Info)

<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>