Best Fuel Injection Main Relays in 2026

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.

Work with vehicle electronics to help optimize vehicle capability.please check the description or use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility before purchasing.

This g8v rh 1c7t r dc12 relay is 5 prongs relay, please check the picture and description carefully to make sure you bought the right item. Please do not buy if your relay is not 5 prong or the pins' position is different from ours.

Fix DRL problem for some vehicles；Worked well on solving Tahoe window problems.Simple fix for intermittent unlock failure of the second row doors and tailgate

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).

▶ FEATURES - Provide extreme durability for long life

▶ CONDITION - 100% test before shipping to ensure product safety, stability and durability

▶ FITMENT - 1990-1997 Honda Accord 2.2L /2.7L， 1997 Honda Prelude 2.2L， 1997-1999 Acura CL 2.2L/3.0L， 1995-1998 Acura TL 2.5L， 1995-1997 Honda Odyssey 2.2L

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.

Enough to Use: you will get 4 pieces of G8V-RH-1C7T-R-DC12 power relays, sufficing your daily use and replacement needs, and the quantity is also enough to share with family and friends

Sturdy and Sustained: fuel pump relay is made of quality nylon shells and brass pins, the auto power relay is stable in structure, not easy to deform or break, also can stand a certain cold and hot condition, bringing a fluent use experience

Proper Model: the model of multi purpose relay is G8V-RH-1C7T-R-DC12, suitable for voltage of 12V, designed with 5 pins, and the relay is in classic black color; Please notice the model before ordering

HEAVY DUTY LONG WIRES. To safely, easily wire your pump directly to your battery, ensuring your high-pressure fuel pump is getting the voltage it needs. Designed specifically to prevent voltage drops at the fuel pump to maintain constant fuel pump pressure and to prevent fuel pump amperage overloads from damaging the vehicle's electrical system

EASY TO INSTALL. All wires are clearly labeled and color-coded. And an easy-to-follow wiring diagram is included in the package. 10 feet 10 gauge RED wire to +12V battery, 6 feet 10 gauge ORANGE wire to fuel pump, 2 feet 16 gauge BROWN wire to 12V trigger switch, 4 feet 16 gauge BLACK wire to chassis ground

UNIVERSAL FIT 12V SYSTEM. This will work on anything that is 12V activated that does not exceed a 40 amp continuous amperage draw

Electrical components are securely assembled for dependable operation

Engineered for durability to withstand high temperatures

Guaranteed against poor workmanship and material defects

Made in United States

Fit type: Vehicle Specific

Package Weight: 4.847 pounds

Relays carry high-amperage current controlled by a low-current switch

When a faulty relay is not replaced, the circuit will either be non-functional or remain engaged

Designed to meet or exceed OE specifications in form, fit and function

[High quality material]: Multi-Purpose Relay is made of nylon shell material, brass pin material, can withstand hot and cold conditions, stable structure, not easy to fracture, deformation, rust, long-term use

[Easy to use]: There is no need for other tools, motor relay is simple to operate, just connect the relay with the wire, convenient for you to use and replace, let your components work normally

[Widely used]: The auto relay is used in taillight, engine compartment, trunk solenoid, electric cooling fan, electric water pump, electric fuel pump, door knob solenoid and other equipment

✅ 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.

Reference OEM---- Replacing reference OE number of this fuel pump relay is 39400‑SM4‑003. This fuel pump main relay is built to stringent OE specifications, designed to have the same form, fit and function as OEM original part

Fitment---- Auto Main Relay is a perfect replacement for Honda Civic, for Honda Del Sol, for Honda CR-V, for Honda Accord, for Honda Odyssey, etc. Please double check the part number of your item, matching information is for reference only

High Quality Relay---- Fuel Pump Main Relay Assembly is made of high-quality plastic and metal materials, which is wear-resistant and durable, not easy to break and has long service life. The manufacture of the fuel pump relay meets the strict quality requirements

Product Name:Electromagnetic Power Relay ; Model:JQX-13F Type : DPDT;Number of Terminals : 8

1.Alloy contact, good electrical conductivity, increased contact stability and sensitivity, oxidation resistance, high current carrying capacity, long service life 2. Copper coil, high purity, stable operation, dense and numerous coil copper wires, able to withstand higher voltages 3. Used with a ABS base, stable and durable, high temperature resistant.

Coil Voltage:AC110/120V; Contact Capacity:10A 250VAC/10A 28VDC;

Product Name:Electromagnetic Power Relay ; Model:HH52P Type : DPDT;Number of Terminals : 8

1.Alloy contact, good electrical conductivity, increased contact stability and sensitivity, oxidation resistance, high current carrying capacity, long service life 2. Copper coil, high purity, stable operation, dense and numerous coil copper wires, able to withstand higher voltages 3. Used with a ABS base, stable and durable, high temperature resistant.

Coil Voltage:AC110/120V; Contact Capacity:5A 250VAC/5A 28VDC;

Product Name : Electromagnetic Relay; Model: HH52P; Coil Voltage : AC 12V Contact Capacity: 5A 240V AC / 5A 28V DC ; Type : DPDT (2NO 2NC )

1.Alloy contact, good electrical conductivity, increased contact stability and sensitivity, oxidation resistance, high current carrying capacity, long service life 2. Copper coil, high purity, stable operation, dense and numerous coil copper wires, able to withstand higher voltages 3. Used with a ABS base, stable and durable, high temperature resistant.

Number of Terminals : 8; Mount Rail Type : 35mm DIN Rail; socket Size: 35.6 x 22.4mm/1.4" x 0.88"(L*W)