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The Best Automotive Replacement LPG Relays

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Our picks are based on Amazon bestseller rankings, verified customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

Ensuring your vehicle's LPG system functions optimally requires reliable components. The LPG relay plays a crucial role in managing fuel delivery, and selecting a high-quality replacement is essential for consistent performance and safety. This guide will help you navigate the key considerations when purchasing a new LPG relay for your automotive needs.

No. 1
Yourkar 2 PCS Car AC Relay, G8HL-H71-12VDC 4 Pins AC and Starter Relays, Multiple Power Relay Assembly Starter...
  • 【Practical Function】: AC relays can be used to control a variety of electrical equipment by controlling the on-off of a circuit. And it can convert low voltage and small current signals into high voltage and high current control signals to realize...
  • 【Excellent Quality】: It is made of high quality brass with good corrosion resistance and high electrical conductivity, ensuring a secure electrical connection even under prolonged use. It can effectively resist environmental erosion and extend the...
  • 【High Performance】: This relay offers significant advantages in the automotive industry, responding precisely to AC electrical signals for fast on-off control of circuits. Please note: The number in the last row of the product is the serial number...
  • 【Easy to Carry】: It measures 0.87 x 0.57 x 1.07 inches and is very easy to carry. It is suitable for ordinary cars and easy to operate. You only need to connect the relay with wires, no other tools are needed, convenient for you to use and replace, so...
  • 【Wide Application】: Our relays are designed to be flexible and suitable for a wide range of applications. It can be applied to apply to air conditioning, fan, starter, headlight, horn, ignition, fog light, rear window defroster, blower, baggage light...
No. 2
Genuine OEM 0K99E-67740 Relay - LPG / 0K99E67740 for Kia Potentia 97-
  • Genuine OEM Factory Part in Original Retail Packaging
  • OEM quality & Direct fitment Guaranteed
  • Exact part that came with your vehicle and selling on dealership
No. 3
ACDelco Professional D1741C Multi-Purpose Relay ‎3.6 x 2.2 x 1.7 inches
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
No. 4
Replacement Part for Starter Relay Solenoid For Sportsman GEN7000LP 7000/6000 Watts LPG Generator Automotive...
  • Product Details: Replacement Part for Starter Relay Solenoid For Sportsman GEN7000LP 7000/6000 Watts LPG Generator designed for long-term use in demanding environments.
  • Premium Automotive Replacement Parts: Engineered for durability and performance, these high-quality car parts are ideal for vehicle repair, maintenance, and upgrade needs. Perfect fit for a wide range of automotive applications.
  • Heavy-Duty & Long-Lasting Build: Made from strong, wear-resistant materials, ensuring reliable performance under heat, pressure, and vibration.
  • Easy Installation: Precision-manufactured for exact compatibility, allowing quick and hassle-free installation for mechanics, DIY car repair, and garage projects.
  • Trusted For Repair & Maintenance Projects: Perfect for professional mechanics, and DIY enthusiasts. Great for restoring performance, improving reliability, and extending vehicle lifespan.
SaleNo. 5
Nilight 5Pack 12V 5Pin Ultra Micro ISO SPST Relay 35A/20A for Fuel Pump
  • Type: 5Pin SPST Relay, Coil voltage: 12V; Current: 35A; model#301-1C-C-R1-U01-1. NO contacts switch 35A resistive load, NC contacts switch 20A resistive load. This relay will work in most vehicles as long as your original relay is 5 pin with all pin’s...
  • Premium Quality:Made by high-grade materials to ensure superior quality and long lifespan. High Temperature withstand up to 125°C ambient. Designed to deliver trouble-free, consistent performance. General applications for automotive power supplies.
  • Key Functions: Due to a damaged or worn out sensor, switch, or relay, such problems of Turn signal inoperative,hazard lights and headlights inoperative, cruise control inoperative, warning indicators on the instrument panel, service engine soon light...
  • Multi-Function Relay: can be Used as headlight relays to make the low beam to stay on when the high beams come on.(Personal needs). Also can be Can be used as Fuel Pump Relay, or worked well on solving windshield wipers problems.Simple fix for...
  • Package Includes: 5PCS Micro Relays.
No. 6
WZP 2PCS Automotive Fuel Pump Relay, 12V 5 Pin Direct Plug Power Relay, Multipurpose Relay Replace for...
  • Replacement part numbers: G8V-RH-1C7T-R-DC and 301-1C-C-R1. This fuel pump relay is compatible with most vehicle models. Please check the specifications before purchasing to ensure compatibility with your vehicle's electrical system.
  • Durable Material: This 12V fuel pump relay housing is made of high-quality plastic, making it resistant to deformation and breakage. It can withstand specific temperature environments and maintain its durability. Metal contacts ensure conductivity and...
  • Wide Applications: This multi-functional fuel pump relay is suitable for a variety of electric vehicles, including cars and motorboats. It supports multiple electrical systems such as fuel pumps, power windows, door locks, and lighting systems.
  • How to Use: This electric fuel pump relay is extremely easy to install. Simply connect the relay to the wires for immediate operation. Its compact and lightweight design allows for quick installation in confined spaces.
  • Package Contents: Your purchase includes 2 black fuel pump relay switch units, approximately 0.98 × 0.86 × 0.59 inches in size. If you have any questions about our products, please feel free to contact us. We will reply within 24 hours.
No. 7
BOSCH 0332209158 Changeover Mini Relay - 5 Pins, 12 V, 20/30 A - Single
  • 5 Pins, 12 Volts, 20/30 Amp Diode
  • Changeover Mini Relays
  • Long service life- made possible through meticulous processing and the use of high-quality materials allowing up to 250,000 switching cycles
  • Designed to wistand tempeeratures ranging from -40 F to up to 212 F
  • Grey color with a bracket
No. 8
PACLVIO 4Pcs 5 Pin 12V 30A Relay, Car Starter Switch Relays, Multi Purpose Auto Fuel Pump Relay,High...
  • [Reliable quality]: The shell of The automotive relay is made of high-quality nylon material, which has excellent insulation and waterproof performance, strong and wear-resistant, not easy to deformation and fracture, and can withstand harsh temperatures...
  • [Functions and Uses]: The car starter switch relays circuits that can control components with high amperage loads on the vehicle, providing safety. It has a wide range of applications in car tail light, engine compartment, electric cooling fans, electric...
  • [Specifications]: The size of auto fuel pump relay: 0.98 "*0.87" *0.55 ", including 4 Pin 12V 30A relay and 5 Pin 12V 30A relay two specifications, you can choose according to your own needs. Use it to directly replace an old or broken car starter switch...
  • [Easy to use]: The installation and operation of our auto fuel pump relay is very simple, just need to connect it to the wire, the parts will work properly, no other tools are required. Mini's size design makes this car starter switch relays easy to...
  • [Buy with confidence]: We are a professional production of auto parts factory, customer satisfaction is our purpose. This car motor automotive replacement accessories is also designed with this idea in mind, and you can buy with confidence. If you have...

Last update on 2026-09-06 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Automotive Replacement LPG Relays

Compatibility is Key

The most critical factor is ensuring the replacement relay is compatible with your vehicle's specific LPG system. Check your vehicle's owner's manual or consult a qualified mechanic to identify the exact part number or specifications required. Different LPG systems have unique electrical requirements and connector types, so a direct match is paramount to avoid installation issues or system malfunctions.

Quality and Durability

Opt for relays manufactured by reputable brands known for their automotive electrical components. Look for relays constructed with high-quality materials designed to withstand the vibrations, temperature fluctuations, and electrical demands of an engine bay. A durable relay will offer longer service life and prevent premature failure, saving you potential repair costs down the line.

Electrical Specifications

Verify the voltage and amperage ratings of the replacement relay match or exceed the original component's specifications. Mismatched ratings can lead to underperformance or even damage to your vehicle's electrical system. Pay attention to the number of pins and their configuration, as this ensures proper connection within your LPG system's harness.

Frequently Asked Questions

How do I know if my LPG relay needs replacing?
Symptoms of a failing LPG relay can include intermittent engine stalling, difficulty starting on LPG, or the LPG system not engaging at all. If you notice any of these issues, it's worth investigating the relay as a potential cause.
Can I use a generic LPG relay if the exact part number isn't available?
While generic options might seem convenient, it's strongly advised to find a relay with matching specifications. Using an incompatible relay can lead to electrical problems, system damage, or safety hazards. Always prioritize compatibility over convenience.
What is the function of an LPG relay?
The LPG relay acts as an electronic switch that controls the flow of power to the LPG system's components, such as the injectors or solenoid valves. It ensures precise timing and delivery of fuel based on engine conditions.
Do I need a professional to install a new LPG relay?
While some DIY-savvy individuals may be comfortable with the replacement, it's often recommended to have a qualified mechanic perform the installation. They have the expertise and tools to ensure proper connection and function, especially concerning electrical systems.