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The dc car relay adopts waterproof sealing technology at the bottom and a fixed back strip on the back, which is suitable for various complicated installation environments.


1in;16 awg tinned copper wires for Pin 85, Pin 87, Pin 86. Length: 5. 1in. Waterproof relay - perfect waterproof construction, excellent performance of waterproof, dust proof and moisture proof, works well in any weather conditions.


Product name:jd1912 automotive dc 4 pin 12v 40a sPST electrical relay Relay, high quality copper coils and silver contacts create excellent electrical conductivity.

1. EHDIS
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Auto Switches & Starters,Pack of 2, EHDIS Car Relay 4 Pin 12v 40amp Spst Model No.: JD2912-1H-12VDC 40A 14VDC
#adEHDIS #ad - Use optional relay Harness, or female Crimp Connectors. Heavy duty 4-prongs spst relays, jd1912 12v 40a relay. High 40a coil capacity- able to handle those high current applications with ease.More information #ad
Package include: 2 x 40a 4-Pin 12V Vehicle Relays. The automotive relay is suitable for normal automobile use and simple to operate, no other tools needed, convenient for your use and replace, you just need to connect the relay with the wire, allowing your components to work properly.Brand | EHDIS #ad |
Manufacturer | Ehdis #ad |
Height | 0.98 Inches |
Length | 1.06 Inches |
Weight | 0.09 Pounds |
Width | 1.06 Inches |
Part Number | 2C05-12V |
Model | 2C05-12V |
More information #ad
2. Gebildet
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Gebildet JD1912 Car Relay Harness 12V 40A 4 Pin SPST Harness Sockets with Color-Labeled Wires for Automotive Truck Van Motorcycle Boat Pack of 2
#adGebildet #ad - Life expectancy electrical: 100, life Expectancy Mechanical: 10, 000 operation, 000, 000 Operation. Minimum operating voltage 8v, corresponding minimum operating current is 100mA; Standard operating voltage 12V, corresponding standard operating current is 150mA.More information #ad
Brand new heavy duty sPSTSingle Pole Single Throw relays with color-labeled wires. Small size/low power consumption/High contact voltage/ High sensitivity. Contact material: ag alloy / Contact Resistance: ≤ 100MΩ.Brand | Gebildet #ad |
Manufacturer | Gebildet #ad |
Part Number | E079 |
Model | E079 |
More information #ad
3. EHDIS
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EHDIS Car Relay 4 Pin 12v 40amp Spst Model No.: JD2912-1H-12VDC 40A 14VDC, Auto Switches & Starters,Pack of 5
#adEHDIS #ad - Use optional relay Harness, or female Crimp Connectors. High 40a coil capacity- able to handle those high current applications with ease. Brand new heavy duty 4-prongs SPST relays. Package include: 5 x 40a 4-Pin 12V Vehicle Relays. Mechanical life of 10, 000+ cycles.More information #ad
Brand | EHDIS #ad |
Manufacturer | Ehdis #ad |
Height | 0.98 Inches |
Length | 1.06 Inches |
Weight | 0.09 Pounds |
Width | 1.06 Inches |
Part Number | 5C05-12V |
Model | 8542115381 |
More information #ad
4. ESUPPORT
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ESUPPORT Car Relay 12V 40A SPST 4Pin Switch Automotive Pack of 5
#adESUPPORT #ad - Widely used in car keys power control, trunk release, over-load protection, power door lock/actuator control, control motors/other electronics etc. Brand new heavy duty SPST relays.More information #ad
High 40a coil capacity- able to handle those high current applications with ease. 12 volt 40 amp 4-prong relays. Mechanical life of 100, life expectancy Mechanical: 10, 000, 000+ cycles, 000 Operations.Brand | ESUPPORT #ad |
Manufacturer | ESUPPORT #ad |
Part Number | CXR40A04B |
More information #ad
5. Hamolar
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Heavy Duty 12 AWG Copper Wires Relays Kit Bosch Style for Automotive Truck Van Motorcycle Boat, Hamolar 2 Pack 12V 40/30 Amp Car Relay DC 5 Pin SPDT and Harness
#adHamolar #ad - 2 years Warranty. 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 dc car relay adopts waterproof sealing technology at the bottom and a fixed back strip on the back, which is suitable for various complicated installation environments.
More information #ad
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. Relay and harness kit made by high-grade flame retardant materials to ensure superior quality and long lifespan.Brand | Hamolar #ad |
Manufacturer | Hamolar #ad |
Part Number | JD1914 with Harness Socket-2PCS |
Model | JD1914 with Harness Socket-2PCS |
More information #ad
6. YiePhiot
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YiePhiot 2 Pack Car Relay 4 Pin 12V 40 Amp Model No : JD2912-1H-12VDC 40A 14VDC, Car Relay Switch Auto Switches & Starters
#adYiePhiot #ad - Hundreds of uses include- starter kills, trunk release, horn, change a low current output to high current, power door lock/actuator control, polarity change, It is Also suitable for automobile used for control, domelight supervision, alarms, add ignition/accessory outputs, control motors/other electronics, headlight and more.More information #ad
Mechanical life of 10, 000+ cycles. Brand new car relay 4 pin 12v 40amp model no : jd2912-1H-12VDC 40A 14VDC. Use optional relay Harness, or female Crimp Connectors. Package include: 2 x 40a 4-Pin 12V Vehicle Relays,.Brand | YiePhiot #ad |
Manufacturer | YiePhiot #ad |
Part Number | CAR-JDQ |
More information #ad
7. flooobuys
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5 Packs 40 AMP 14V DC Waterproof Relay with Harness,Heavy Duty 12 AWG Tinned Copper Wires,4 PIN SPST Bosch Style 12 Volt Automotive Relay,Model No.: JD2912-1H-12VDC 40A 14VDC
#adflooobuys #ad - Used in led work light, speakers, wiper, central locking, starter, alarm, fans, electric windows, fog lamps, etc.12 awg tinned copper wires for pin 30, length: 5.1in;16 awg tinned copper wires for Pin 85, Pin 87, Pin 86. Length: 5. 1in. Waterproof relay - perfect waterproof construction, excellent performance of waterproof, dust proof and moisture proof, works well in any weather conditions.
More information #ad
Nominal coil voltage: 12 v dc; coil power: 1. 8 w; coil resistance: 100Ω; must operate voltage: 6~8 V DC; Must Release Voltage: 06~3. 6 v dc; maximum applied Voltage: 15. 6 v dc. High switching capability - 12v dc 14v max and 40A, bosch style, 4-Pin SPDT Single Pole Single Throw relay. Wide application - suit for all automobiles and devices equipped with a 12 Volt DC power source.Brand | flooobuys #ad |
Manufacturer | flooobuys #ad |
Part Number | JD2912-1H-12VDC 40A 14VDC |
More information #ad
8. BLARYETI
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JD1912 Automotive Relay 4-Pin 40A 12V SPST Car Truck Van Motorcycle Boat Relay,5 Pack
#adBLARYETI #ad - Hight switching Capability: Max 40A. High quality,mechanical life of 10, 000+ cycles. 4-pin spst single pole Single Throw Relay. Contact rating: no: dc 12v 40a, nc : DC 12V 30A. Use optional relay Harness, or female Crimp Connectors.More information #ad
Brand | BLARYETI #ad |
Manufacturer | BLARYETI #ad |
Part Number | relay-B5 |
Model | relay-B5 |
More information #ad
9. EPLZON
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EPLZON JD1912 Relay 4 Pin 40A 12V SPST Car Truck Van Motorcycle Boat Relay Pack of 2 pcs
#adEPLZON #ad - Application: widely used to install electric cooling fans, Trunk solenoids, Horns, automotive setups, Electric fuel pumps, Electric water Pumps, security systems, Shaved door handles solenoids, car sound systems, and various other applications.Product name:jd1912 automotive dc 4 pin 12v 40a sPST electrical relay Relay, high quality copper coils and silver contacts create excellent electrical conductivity.
More information #ad
Function: this relay will eliminate a high voltage drop in the wire, so it allows your components to work properly. 50a high coil capacity can easily handle those high current applications. Pin specifications: 30-high power feed, 85-Relay coil ground, 86-relay coil feedtrigger wire, 87-high power outputnormally open contact). Contact rating: no: dc 12v 40a, nc : DC 12V 30A.Brand | EPLZON #ad |
Manufacturer | EPLZON #ad |
Part Number | EP-JD-1912 |
More information #ad
10. EPAuto
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EPAuto 30/40 AMP Relay Harness Spdt 12V, 5-PIN SPDT Bosch Style, 5 Pack
#adEPAuto #ad - 40a/30a high switching capability. Package include: 5 relays + 5 relay sockets with wires. Heavy-duty impact molded relay socket with 5 WIRES。White common, Black normally closed, and Yellow normally open. Safety ul flame retardant 9" wires for the main contact.More information #ad
Brand | EPAuto #ad |
Manufacturer | EPAuto #ad |
Height | 3.61 Inches |
Length | 5.63 Inches |
Weight | 0.89 Pounds |
Width | 1.78 Inches |
Part Number | AE-001-1 |
Model | AE-001-1 |
More information #ad