Best 4 Pin Relay Holder of 2026

Last updated on 06/05/2026

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Create idea 5PCS Automotive 9 Pin Relay Mounting Brackets Relay Connector Socket Vehicle Relay Case Holder with 6.3mm 2.8mm Terminals for 4-pin 5-pin 9-pin Relays

Create idea 5PCS Automotive 9 Pin Relay Mounting Brackets Relay Connector Socket Vehicle Relay Case Holder with 6.3mm 2.8mm Terminals for 4-pin 5-pin 9-pin Relays

Create idea

Why we love it

High versatility for multiple relays.
Compact size for easy fitting.
Durable plastic ensures reliable support.

Main Highlights

Versatility: These 5 automotive 9pin relay mounting brackets are suitable for relays with a variety of pin counts, including 4-pin, 5-pin and 9-pin relays, with high versatility and applicability.
Size: The size of these 5 car 9pin relay mounting brackets is 39x38x33mm.
Package: You will receive 5pcs car 9pin relay mounting brackets, equipped with 25pcs 6.3mm terminals and 20pcs 2.8mm terminals, which can meet the different wiring needs of users and have good practicability.
Material: These 5 car 9pin relay mounting brackets are made of plastic, which has high durability and stability, and can provide safe and reliable installation support for the relay.
Easy Installation: These 5 car 9pin relay mounting brackets are easy and quick to install, and don't require too many tools, users can easily complete the installation process.

9.8

Exceptional

9.8

Exceptional

Create idea

Create idea 5PCS Automotive 9 Pin Relay Mounting Brackets Relay Connector Socket Vehicle Relay Case Holder with 6.3mm 2.8mm Terminals for 4-pin 5-pin 9-pin Relays

Why we love it

High versatility for multiple relays.
Compact size for easy fitting.
Durable plastic ensures reliable support.

Main Highlights

Versatility: These 5 automotive 9pin relay mounting brackets are suitable for relays with a variety of pin counts, including 4-pin, 5-pin and 9-pin relays, with high versatility and applicability.
Size: The size of these 5 car 9pin relay mounting brackets is 39x38x33mm.
Package: You will receive 5pcs car 9pin relay mounting brackets, equipped with 25pcs 6.3mm terminals and 20pcs 2.8mm terminals, which can meet the different wiring needs of users and have good practicability.
Material: These 5 car 9pin relay mounting brackets are made of plastic, which has high durability and stability, and can provide safe and reliable installation support for the relay.
Easy Installation: These 5 car 9pin relay mounting brackets are easy and quick to install, and don't require too many tools, users can easily complete the installation process.

Value for Money

EHDIS 4-Pin Car Truck Motor Heavy Duty 80A 12V On/Off Normally Open SPST Relay Socket Plug With Harness - 4 Wire Automotive Model JD2912-1H-12VDC 80A 14VDC, Pack of 2

EHDIS 4-Pin Car Truck Motor Heavy Duty 80A 12V On/Off Normally Open SPST Relay Socket Plug With Harness - 4 Wire Automotive Model JD2912-1H-12VDC 80A 14VDC, Pack of 2

Ehdis

Why we love it

High-quality materials used.
Compact and efficient design.
Includes essential relay sockets.

Main Highlights

Country of Manufacture: China; Material: Plastic, Metal, Copper
Contact Type: SPST (Normal Open); Pin Number: 4 Pin
Coil: 12VDC 80 Amp; Body Size: 28 x 28 x25mm/1.1" x 1.2" x 1"(L*W*H)
Relay size: 33 x 28 x 52mm/1.3" x 1.1" x 2"(L*W*H); Fixing Hole Dia: 6.5mm/2.5"; Socket Size: 35 x 34 x 18 mm
Package Content: 2 x Model: JD-2912 Car Relay; 2 x 4 pin relay socket with 4 wires

EHDIS 4-Pin Car Truck Motor Heavy Duty 80A 12V On/Off Normally Open SPST Relay Socket Plug With Harness - 4 Wire Automotive Model JD2912-1H-12VDC 80A 14VDC, Pack of 2

Why we love it

High-quality materials used.
Compact and efficient design.
Includes essential relay sockets.

Main Highlights

Country of Manufacture: China; Material: Plastic, Metal, Copper
Contact Type: SPST (Normal Open); Pin Number: 4 Pin
Coil: 12VDC 80 Amp; Body Size: 28 x 28 x25mm/1.1" x 1.2" x 1"(L*W*H)
Relay size: 33 x 28 x 52mm/1.3" x 1.1" x 2"(L*W*H); Fixing Hole Dia: 6.5mm/2.5"; Socket Size: 35 x 34 x 18 mm
Package Content: 2 x Model: JD-2912 Car Relay; 2 x 4 pin relay socket with 4 wires

10 PCS Relay Base Holder, 12V/24V 30-80A 5 Pin Socket with 50 Terminals 6.3mm/0.24In Kits, for Automotive Car Truck Marine Boat (Black)

10 PCS Relay Base Holder, 12V/24V 30-80A 5 Pin Socket with 50 Terminals 6.3mm/0.24In Kits, for Automotive Car Truck Marine Boat (Black)

Spunklad

Why we love it

High-quality, durable materials used.
Special design for easy installation.
Versatile for multiple applications.

Main Highlights

Materials of High Quality: Delivering a first-rate client experience to you, relay base holder kit is very durable, strong, and long-lasting, produced by using optimal PA66 material.
Special Design: Relay mounting bracket is preventing any unnecessary inconvenience for you, designed with a composite shell, protecting against harsh temperatures. Comes with insulating sleeves, durable and easy to install, very practical.
Funcition: Increasing your life's level of easiness, car relay holder is ensuring the safety of your use process, possessing automatic adjustment, safety protection, circuit conversion, and other functions.
Widely Applied: Accommodating all of your use demands, the relay bracket case holder is suitable for car modification, GPS oil and power cuts, car anti-theft system, and car electronic control system, with numerous applications.
What You Get: 10 x relay base holders, 50 x relay terminals. If you have any question on use, kindly contact us at any time directly, we will solve the problem for you within 24 hours on weekdays.

10 PCS Relay Base Holder, 12V/24V 30-80A 5 Pin Socket with 50 Terminals 6.3mm/0.24In Kits, for Automotive Car Truck Marine Boat (Black)

Why we love it

High-quality, durable materials used.
Special design for easy installation.
Versatile for multiple applications.

Main Highlights

Materials of High Quality: Delivering a first-rate client experience to you, relay base holder kit is very durable, strong, and long-lasting, produced by using optimal PA66 material.
Special Design: Relay mounting bracket is preventing any unnecessary inconvenience for you, designed with a composite shell, protecting against harsh temperatures. Comes with insulating sleeves, durable and easy to install, very practical.
Funcition: Increasing your life's level of easiness, car relay holder is ensuring the safety of your use process, possessing automatic adjustment, safety protection, circuit conversion, and other functions.
Widely Applied: Accommodating all of your use demands, the relay bracket case holder is suitable for car modification, GPS oil and power cuts, car anti-theft system, and car electronic control system, with numerous applications.
What You Get: 10 x relay base holders, 50 x relay terminals. If you have any question on use, kindly contact us at any time directly, we will solve the problem for you within 24 hours on weekdays.

Gebildet 3pcs 12V Fuse Relay Switch 12 AWG Harness Set with Built-in Diode- 30A ATO/ATC Blade Fuse, 4-Pin SPST Automotive Electrical Relays

Gebildet 3pcs 12V Fuse Relay Switch 12 AWG Harness Set with Built-in Diode- 30A ATO/ATC Blade Fuse, 4-Pin SPST Automotive Electrical Relays

Gebildet

Why we love it

Built-in fuse, space-saving design.
Easy, color-labeled wiring setup.
Neat, interlocking mounting design.

Main Highlights

Upgraded Version - Automotive relays built in fuse socket with included 30A blade fuse, no need of a separate fuse holder, saving space and money. Heavy duty 12AWG wires for main contact
Integrated Diode: Each relay includes a built-in diode that suppresses induced voltage during switching, safeguarding your electrical components from potential damage.
Neat Mounting Design - The interlocking design of unique male-female slot on each socket edge, easy to connect all relays together, offering clean and neat installation
Good Construction - 12V DC (Max14V DC) and 30A High Switching Capability. 4-Pin SPST (Single Pole Single Throw) Relay. Metal mounting bracket on the electrical relay promotes easy installation
Wide Application - Wide range of use, greatly used for car lights, fog lamps, wiper, starter, fans, speakers, traction control systems, etc

Gebildet 3pcs 12V Fuse Relay Switch 12 AWG Harness Set with Built-in Diode- 30A ATO/ATC Blade Fuse, 4-Pin SPST Automotive Electrical Relays

Why we love it

Built-in fuse, space-saving design.
Easy, color-labeled wiring setup.
Neat, interlocking mounting design.

Main Highlights

Upgraded Version - Automotive relays built in fuse socket with included 30A blade fuse, no need of a separate fuse holder, saving space and money. Heavy duty 12AWG wires for main contact
Integrated Diode: Each relay includes a built-in diode that suppresses induced voltage during switching, safeguarding your electrical components from potential damage.
Neat Mounting Design - The interlocking design of unique male-female slot on each socket edge, easy to connect all relays together, offering clean and neat installation
Good Construction - 12V DC (Max14V DC) and 30A High Switching Capability. 4-Pin SPST (Single Pole Single Throw) Relay. Metal mounting bracket on the electrical relay promotes easy installation
Wide Application - Wide range of use, greatly used for car lights, fog lamps, wiper, starter, fans, speakers, traction control systems, etc

WMYCONGCONG 10 Sets 5 Pin Relay Connector 12V Socket 30A /40A with 6.3mm Terminals, Car Truck Vehicle Terminal Relay Case Holder, Random Terminal Color, Gold or Silver

WMYCONGCONG 10 Sets 5 Pin Relay Connector 12V Socket 30A /40A with 6.3mm Terminals, Car Truck Vehicle Terminal Relay Case Holder, Random Terminal Color, Gold or Silver

WMYCONGCONG

8% Off

Why we love it

High quality materials ensure reliability.
Versatile use for various applications.
Includes multiple terminals for convenience.

Main Highlights

Voltage: 30AMP/40 AMP Connector Socket with 5 Terminals design.
Terminal Size: 6.3mm/0.25", Compatible with 18-16 AWG wire type.
Material: Made of high quality plastic and copper metal , reliable and long service life.
Package Includes: 10 x Car Relay Socket; 20 x 6.3mm Terminals; 30 x 10mm Terminals. Random Terminal Color, Gold or Silver. Please note: Please check the size and number of terminals before purchasing.
The 5 Pin Relay Sockets are use for controlling many applications such as car alarms, headlights, remote start, stereos, etc.

WMYCONGCONG 10 Sets 5 Pin Relay Connector 12V Socket 30A /40A with 6.3mm Terminals, Car Truck Vehicle Terminal Relay Case Holder, Random Terminal Color, Gold or Silver

8% Off

Why we love it

High quality materials ensure reliability.
Versatile use for various applications.
Includes multiple terminals for convenience.

Main Highlights

Voltage: 30AMP/40 AMP Connector Socket with 5 Terminals design.
Terminal Size: 6.3mm/0.25", Compatible with 18-16 AWG wire type.
Material: Made of high quality plastic and copper metal , reliable and long service life.
Package Includes: 10 x Car Relay Socket; 20 x 6.3mm Terminals; 30 x 10mm Terminals. Random Terminal Color, Gold or Silver. Please note: Please check the size and number of terminals before purchasing.
The 5 Pin Relay Sockets are use for controlling many applications such as car alarms, headlights, remote start, stereos, etc.

JUUDDENPARTS JD2912 2 Pair 12V DC 80 Amp Changeover Relay With Socket Holder, 4 Pin SPST Relay for Auto, Trucks, Boats Vehicle

JUUDDENPARTS JD2912 2 Pair 12V DC 80 Amp Changeover Relay With Socket Holder, 4 Pin SPST Relay for Auto, Trucks, Boats Vehicle

JUUDDENPARTS

Why we love it

Durable materials ensure longevity.
Reliable on/off switching mechanism.
Easy installation for user convenience.

Main Highlights

Replaces Part Number: JD2912, JD-2912
Fitment: Used for Auto, Trucks, Boats Vehicle
Construction: Constructed with a combination of plastic, metal, and copper materials, this relay ensures durability and longevity, capable of withstanding the demands of heavy-duty use in different environments
Reliable Functionality: With a normally open Single Pole Single Throw (SPST) configuration, this relay offers a dependable on/off switching mechanism for controlling electrical circuits in vehicles, ensuring reliable performance
Easy Installation: Equipped with a 4-wire plug design, this relay is designed for easy installation, making it accessible for users to set up and integrate into their vehicle's electrical system without complications

JUUDDENPARTS JD2912 2 Pair 12V DC 80 Amp Changeover Relay With Socket Holder, 4 Pin SPST Relay for Auto, Trucks, Boats Vehicle

Why we love it

Durable materials ensure longevity.
Reliable on/off switching mechanism.
Easy installation for user convenience.

Main Highlights

Replaces Part Number: JD2912, JD-2912
Fitment: Used for Auto, Trucks, Boats Vehicle
Construction: Constructed with a combination of plastic, metal, and copper materials, this relay ensures durability and longevity, capable of withstanding the demands of heavy-duty use in different environments
Reliable Functionality: With a normally open Single Pole Single Throw (SPST) configuration, this relay offers a dependable on/off switching mechanism for controlling electrical circuits in vehicles, ensuring reliable performance
Easy Installation: Equipped with a 4-wire plug design, this relay is designed for easy installation, making it accessible for users to set up and integrate into their vehicle's electrical system without complications

QitinDasen 5 Pieces 4 Pin Car Relay, 12V 40A SPST Automotive Relay with Harness Socket and 14/16 AWG Pre-Wired, for Car Truck Boat (Black)

QitinDasen 5 Pieces 4 Pin Car Relay, 12V 40A SPST Automotive Relay with Harness Socket and 14/16 AWG Pre-Wired, for Car Truck Boat (Black)

QitinDasen

Why we love it

Easy installation with pre-wired harness.
Versatile for various automotive applications.
Customer support is highly responsive.

Main Highlights

Professional 4 pin automotive relay with SPST design (Single Pole Single Throw), suitable for normally closed or normally open circuits.
The relay comes with harness socket and 14/16 AWG pre-wired. The harness socket has a unique male and female groove structure design on the edge, which can connect all relays together. Pre-wired with 4 different color-coded wires for easy connection of loads and accessories.
Comes with free metal mounting bracket for easy installation and fixing.
Suitable for all automobiles and devices equipped with 12V DC power supply. Widely used for car lights, Indicator light, fog lamps, wiper, central locking, alarm, electric windows, etc.
If you have any questions about the products you ordered, please contact us in time, we will try our best to provide you with satisfactory service. We always care about customer experience and strive to improve product functions and details.

QitinDasen 5 Pieces 4 Pin Car Relay, 12V 40A SPST Automotive Relay with Harness Socket and 14/16 AWG Pre-Wired, for Car Truck Boat (Black)

Why we love it

Easy installation with pre-wired harness.
Versatile for various automotive applications.
Customer support is highly responsive.

Main Highlights

Professional 4 pin automotive relay with SPST design (Single Pole Single Throw), suitable for normally closed or normally open circuits.
The relay comes with harness socket and 14/16 AWG pre-wired. The harness socket has a unique male and female groove structure design on the edge, which can connect all relays together. Pre-wired with 4 different color-coded wires for easy connection of loads and accessories.
Comes with free metal mounting bracket for easy installation and fixing.
Suitable for all automobiles and devices equipped with 12V DC power supply. Widely used for car lights, Indicator light, fog lamps, wiper, central locking, alarm, electric windows, etc.
If you have any questions about the products you ordered, please contact us in time, we will try our best to provide you with satisfactory service. We always care about customer experience and strive to improve product functions and details.

Gebildet 2pcs JD1912 Car Relay Harness 12V 40A 4 Pin SPST 12AWG Harness Sockets with Built-in Diode for Automotive Truck Van Motorcycle Boat

Gebildet 2pcs JD1912 Car Relay Harness 12V 40A 4 Pin SPST 12AWG Harness Sockets with Built-in Diode for Automotive Truck Van Motorcycle Boat

Gebildet

Why we love it

Heavy duty and reliable design.
Color-labeled wires for easy installation.
Exceptional life expectancy and durability.

Main Highlights

Integrated Diode: Each relay includes a built-in diode that suppresses induced voltage during switching, safeguarding your electrical components from potential damage.
Rated operational voltage: 12V/ Switching Capability: 40A
Minimum operating voltage 8V, corresponding minimum operating current is 100mA; Standard operating voltage 12V, corresponding standard operating current is 150mA.
Small size/Low power consumption/High contact voltage/ High sensitivity
Contact Material: Ag Alloy / Contact Resistance: ≤ 100MΩ. Life Expectancy Electrical: 100,000 Operation, Life Expectancy Mechanical: 10,000,000 Operation.

Gebildet 2pcs JD1912 Car Relay Harness 12V 40A 4 Pin SPST 12AWG Harness Sockets with Built-in Diode for Automotive Truck Van Motorcycle Boat

Why we love it

Heavy duty and reliable design.
Color-labeled wires for easy installation.
Exceptional life expectancy and durability.

Main Highlights

Integrated Diode: Each relay includes a built-in diode that suppresses induced voltage during switching, safeguarding your electrical components from potential damage.
Rated operational voltage: 12V/ Switching Capability: 40A
Minimum operating voltage 8V, corresponding minimum operating current is 100mA; Standard operating voltage 12V, corresponding standard operating current is 150mA.
Small size/Low power consumption/High contact voltage/ High sensitivity
Contact Material: Ag Alloy / Contact Resistance: ≤ 100MΩ. Life Expectancy Electrical: 100,000 Operation, Life Expectancy Mechanical: 10,000,000 Operation.

4 Sets Car Relay Plug Holders with 6.3mm Terminals for 4 Pin 5 Pin Relays 10A 12V/24V Automotive Relay Socket Base Connector Replacement Parts

4 Sets Car Relay Plug Holders with 6.3mm Terminals for 4 Pin 5 Pin Relays 10A 12V/24V Automotive Relay Socket Base Connector Replacement Parts

EMTPJAL

Why we love it

Convenient package of components.
Simplified installation process.
Highly versatile for relays.

Main Highlights

Package: You will receive 4pcs relay plug holder and 20pcs 6.3mm terminals, which can meet the different wiring needs of users and have good practicability.
Easy Installation: These relay plug holder are easy and quick to install, and don't require too many tools, users can easily complete the installation process.
Versatility: These relay plug holder are suitable for relays with a variety of pin counts, including 4 pin, 5pin relays, with high versatility and applicability.
Material: These relay plug holder are made of plastic, which has high durability and stability, and can provide safe and reliable installation support for the relay.
Size: The size of these relay plug holder is 25x26x23mm. 10A, 12V/24V

4 Sets Car Relay Plug Holders with 6.3mm Terminals for 4 Pin 5 Pin Relays 10A 12V/24V Automotive Relay Socket Base Connector Replacement Parts

Why we love it

Convenient package of components.
Simplified installation process.
Highly versatile for relays.

Main Highlights

Package: You will receive 4pcs relay plug holder and 20pcs 6.3mm terminals, which can meet the different wiring needs of users and have good practicability.
Easy Installation: These relay plug holder are easy and quick to install, and don't require too many tools, users can easily complete the installation process.
Versatility: These relay plug holder are suitable for relays with a variety of pin counts, including 4 pin, 5pin relays, with high versatility and applicability.
Material: These relay plug holder are made of plastic, which has high durability and stability, and can provide safe and reliable installation support for the relay.
Size: The size of these relay plug holder is 25x26x23mm. 10A, 12V/24V

Ehdis 1 Pack 12V 80 APM 4 Pin Changeover Relay With Socket Holder for Truck, Motor, Heavy Duty On/Off Normally Open SPST Relay Socket Plug 4 Wire

Ehdis 1 Pack 12V 80 APM 4 Pin Changeover Relay With Socket Holder for Truck, Motor, Heavy Duty On/Off Normally Open SPST Relay Socket Plug 4 Wire

Ehdis

Why we love it

Durable plastic and metal.
High amp rating.
Compact size.

Main Highlights

Country of Manufacture: China; Material: Plastic, Metal, Copper
Contact Type: SPST (Normal Open); Pin Number: 4 Pin
Coil: 12VDC 80 Amp; Body Size: 28 x 28 x25mm/1.1" x 1.2" x 1"(L*W*H)
Relay size: 33 x 28 x 52mm/1.3" x 1.1" x 2"(L*W*H); Fixing Hole Dia: 6.5mm/2.5"; Socket Size: 35 x 34 x 18 mm
Package Content: 1 x Model: JD-2912 Car Relay; 1 x 4 pin relay socket with 4 wires

Ehdis 1 Pack 12V 80 APM 4 Pin Changeover Relay With Socket Holder for Truck, Motor, Heavy Duty On/Off Normally Open SPST Relay Socket Plug 4 Wire

Why we love it

Durable plastic and metal.
High amp rating.
Compact size.

Main Highlights

Country of Manufacture: China; Material: Plastic, Metal, Copper
Contact Type: SPST (Normal Open); Pin Number: 4 Pin
Coil: 12VDC 80 Amp; Body Size: 28 x 28 x25mm/1.1" x 1.2" x 1"(L*W*H)
Relay size: 33 x 28 x 52mm/1.3" x 1.1" x 2"(L*W*H); Fixing Hole Dia: 6.5mm/2.5"; Socket Size: 35 x 34 x 18 mm
Package Content: 1 x Model: JD-2912 Car Relay; 1 x 4 pin relay socket with 4 wires

We scanned 1974 products

We reviewed these offers relevant to the 4 Pin Relay Holder within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Create idea, Ehdis, Spunklad, Gebildet, WMYCONGCONG, JUUDDENPARTS, QitinDasen, EMTPJAL, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best 4 Pin Relay Holder in the market, we considered we took a deep dive into 9871 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Create idea 5PCS Automotive 9 Pin Relay Mounting Brackets Relay Connector Socket Vehicle Relay Case Holder with 6.3mm 2.8mm Terminals for 4-pin 5-pin 9-pin Relays. We love many things about this product by Create idea. What sets it apart from the competition is High versatility for multiple relays. , Compact size for easy fitting. , Durable plastic ensures reliable support. .
The best value product for most shoppers and where user satisfaction is continuously the highest is EHDIS 4-Pin Car Truck Motor Heavy Duty 80A 12V On/Off Normally Open SPST Relay Socket Plug With Harness - 4 Wire Automotive Model JD2912-1H-12VDC 80A 14VDC, Pack of 2 by Ehdis based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for 4 Pin Relay Holder and the best cost-to-value ratio is WMYCONGCONG 10 Sets 5 Pin Relay Connector 12V Socket 30A /40A with 6.3mm Terminals, Car Truck Vehicle Terminal Relay Case Holder, Random Terminal Color, Gold or Silverat WMYCONGCONG with a 8% discount.
Our list of the best 4 Pin Relay Holder is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.