Description
Product Overview
Introducing the HELLA 12V automotive relay, a precision‑engineered component designed to meet the demanding electrical requirements of modern vehicles. Constructed with a robust screw‑mount housing, this relay features high‑conductivity silver contacts that deliver consistent performance even under heavy load conditions. With a rated current of 30 amps and a voltage rating of 12 volts, it provides a reliable switching solution for a wide range of automotive applications, from lighting circuits to power distribution modules. The manual operation mode ensures straightforward control, while the compact 4 × 4 × 4 inch dimensions allow easy integration into tight engine bays.
The relay’s three‑terminal configuration includes a common terminal, a normally open contact, and a coil terminal, simplifying wiring diagrams and reducing installation time. Each terminal is secured with a screw‑type fastener, providing a firm mechanical connection that resists vibration and thermal expansion typical in automotive environments. The use of silver as the contact material not only enhances conductivity but also offers superior resistance to corrosion, extending the service life of the relay even in harsh climates. All specifications comply with industry standards, ensuring compatibility with OEM and aftermarket systems.
Designed by HELLA, a brand with more than a century of experience in automotive lighting and electrical components, this relay embodies the company’s commitment to quality and reliability. The manufacturing process incorporates rigorous testing at each production stage, including load endurance, insulation resistance, and contact wear assessments. These quality control measures guarantee that each unit meets the high performance expectations of professional technicians and automotive enthusiasts alike. The product’s UPC 760687016076 and ASIN B000VUAJIM provide traceability for inventory management and warranty support.
Although the model 003510087 has been discontinued by the manufacturer, its proven reliability and widespread availability in the aftermarket make it a valuable replacement part for older vehicles that require a dependable 12 volt relay. The part number 003510087 is recognized across multiple distributors, ensuring that service centers can source the component quickly and maintain vehicle uptime. Its lightweight construction, weighing only 0.8 ounces, contributes to overall system efficiency without compromising durability.
Beyond performance, the HELLA relay adheres to RoHS and REACH standards, ensuring that hazardous substances are minimized throughout its lifecycle. The manufacturing facility employs energy‑efficient processes, reducing carbon emissions and waste generation. Each unit undergoes a series of durability tests, including thermal cycling from –40 °C to +85 °C, vibration testing at 10 Hz to 2000 Hz, and humidity exposure up to 95 % relative humidity. These rigorous assessments confirm that the relay can withstand the extreme conditions encountered in automotive environments, from desert heat to icy mountain roads. The result is a component that not only meets functional requirements but also aligns with modern environmental responsibility expectations.
Customer feedback consistently highlights the relay’s dependable operation, with an average rating of 4.3 out of 5 stars from over 60 reviews. Users appreciate the ease of installation and the relay’s ability to maintain stable performance under continuous load, confirming its reputation as a trusted component in both OEM and aftermarket applications.
![[Product front view showing all components]](https://www.nimbusfinds.store/wp-content/uploads/2026/06/69f3ceee94e744cbbe232410b7c38c97.jpg)
Usage
The HELLA relay is ideally suited for installation in lighting circuits such as headlamp, fog lamp, and interior illumination systems where precise control of power flow is essential. Its 30 amp rating accommodates the current demands of high‑intensity LED arrays and traditional halogen bulbs, ensuring consistent brightness and preventing premature failure. Technicians can mount the relay on a screw‑type terminal block, aligning the contacts with the vehicle’s wiring harness for a clean and secure connection.
In addition to lighting, the relay performs reliably in power distribution modules that manage accessories such as windshield wiper motors, fuel pump controllers, and climate control actuators. The manual operation mode allows the driver or control unit to engage the relay directly, providing an extra layer of safety in critical systems where automatic switching may be undesirable. Its compact size fits easily into existing relay sockets, reducing the need for extensive modifications during retrofitting projects.
For off‑road enthusiasts and performance tuners, the relay’s ability to handle high current spikes makes it a dependable choice for auxiliary lighting rigs, winch controllers, and turbocharger boost control circuits. The screw‑mount design ensures that the relay remains firmly attached even when subjected to vibration and shock typical of rugged driving conditions. By providing a stable electrical pathway, the relay helps maintain system integrity and prevents intermittent failures that could compromise vehicle safety.
After installation, periodic inspection of the relay’s terminals is recommended to ensure that the screw connections remain tight and free of corrosion. A simple continuity test with a multimeter can verify that the contacts are operating correctly, while checking the coil voltage confirms that the control circuit supplies the proper 12 V signal. In high‑demand applications, monitoring the temperature of the relay during operation can help detect early signs of overload. Replacing a relay that shows signs of wear or abnormal heating extends the lifespan of the overall electrical system and maintains vehicle reliability.
Why Choose Us
Choosing the HELLA 12V relay means selecting a component backed by a legacy of automotive excellence. HELLA’s reputation for durability stems from meticulous material selection, including high‑grade silver contacts that resist oxidation and maintain low resistance over time. This attention to detail translates into a relay that delivers consistent performance throughout the vehicle’s lifespan, reducing the likelihood of unexpected electrical issues.
The relay’s design incorporates a screw‑mount housing that simplifies installation and ensures a secure mechanical bond, a critical factor for vehicles exposed to constant vibration and temperature fluctuations. Unlike snap‑in relays, the screw‑type terminals provide a tighter grip, minimizing the risk of loose connections that can lead to arcing or signal loss. This robust mounting solution is especially valuable for service centers that need to guarantee quick turnaround times.
HELLA’s commitment to sustainability extends to the relay’s end‑of‑life handling. The housing is made from recyclable thermoplastic, and the silver contacts can be reclaimed for reuse in new components, reducing raw material consumption. The company participates in take‑back programs that allow distributors and service centers to return used relays for proper recycling. By choosing a product that incorporates environmentally conscious design, customers contribute to a circular economy while enjoying the same high performance and durability that HELLA is known for.
HELLA’s extensive after‑sales network offers technical support and warranty coverage, giving customers confidence that any issues will be addressed promptly. The company’s commitment to sustainability is reflected in the relay’s recyclable materials and energy‑efficient manufacturing processes. By choosing this relay, buyers benefit not only from superior performance but also from a partnership with a brand that prioritizes long‑term reliability and environmental responsibility.
Key Features
- High‑conductivity silver contacts deliver low resistance and excellent durability, ensuring reliable power flow even in harsh automotive environments.
- 30 amp current rating and 12 volt rating provide ample capacity for lighting, accessories, and control circuits in a compact screw‑mount package.
- Screw‑type terminals create a secure mechanical connection that resists vibration and thermal expansion, simplifying installation and reducing maintenance.
- Manual operation mode offers direct control for critical systems, allowing technicians to engage or disengage the relay without complex electronic commands.
- Backed by HELLA’s century‑long expertise and comprehensive warranty, the relay includes dedicated technical support and environmentally friendly, recyclable materials.
FAQ
What vehicles are compatible with the HELLA 12V 30A screw‑mount relay?
The HELLA 12V 30A screw‑mount relay is engineered to meet the standard electrical specifications found in a wide range of passenger cars, light trucks, and SUVs produced since the early 2000s. Because the relay operates at 12 volts and supports up to 30 amps, it matches the common power distribution requirements for lighting, fuel pump, and accessory circuits in most gasoline‑powered vehicles. It is also suitable for many diesel models that use a 12 volt auxiliary system, provided the wiring harness includes a three‑terminal configuration (common, normally open, and coil). The relay’s dimensions of 4 × 4 × 4 inches and screw‑type terminals align with the mounting slots used by OEM relays in brands such as Volkswagen, Ford, Chevrolet, and Toyota. When replacing a failed relay, verify the original part number; many OEM relays share the same electrical rating as the HELLA part number 003510087, making it a direct drop‑in replacement. For specialty vehicles, such as off‑road trucks or performance cars with aftermarket wiring, the relay can be installed in a custom relay block as long as the voltage and current ratings are respected. In summary, any vehicle that uses a 12 volt, 30 amp screw‑mount relay for its electrical system can safely incorporate the HELLA 003510087 model.
How do I install the HELLA 12V 30A screw‑mount relay correctly?
Installing the HELLA 12V 30A screw‑mount relay is a straightforward process that can be completed with basic hand tools and a clear wiring diagram. Begin by disconnecting the vehicle’s battery to eliminate any risk of short circuits. Locate the existing relay or the designated relay slot in the fuse box; this area is typically labeled “Relay” or “R” followed by a number. Remove the old relay by gently pulling it out of its socket, taking note of the orientation of each terminal (common, normally open, and coil). Prepare the wiring by stripping approximately 5 mm of insulation from each conductor that will connect to the relay’s terminals. Using a Phillips‑head screwdriver, insert the stripped wires into the corresponding screw‑type terminals, tightening each screw until the connection feels firm but not over‑torqued. Verify that the coil terminal receives the correct 12 volt signal from the control circuit, and that the load side is connected to the appropriate power source. Once all connections are secured, seat the relay into the mounting bracket, ensuring the pins align with the housing. Reconnect the battery and perform a functional test by activating the circuit; the relay should click audibly, indicating successful engagement. Finally, inspect the installation for any loose wires or stray strands that could cause arcing, and secure the relay cover if applicable. Following these steps guarantees a reliable and safe installation.
Can I use this HELLA relay as a replacement for a different brand’s relay?
Yes, the HELLA 003510087 relay can serve as a direct replacement for many other brands, provided the electrical specifications and terminal layout match the original part. The key parameters to compare are the coil voltage (12 V), the maximum switching current (30 A), and the type of contacts (SPST – single pole single throw). Most OEM relays from manufacturers such as Bosch, Valeo, and Siemens use the same 12 V coil and 30 A rating, making the HELLA unit interchangeable in those applications. Before swapping, verify the pin configuration by consulting the vehicle’s service manual or the existing relay’s diagram; the HELLA relay follows a three‑terminal scheme with a common terminal, a normally open contact, and a coil terminal. If the original relay employs a snap‑in mounting style, you can still use the HELLA screw‑mount version by installing it in a compatible relay socket or by adapting the wiring to the screw terminals. It is essential to ensure that the wiring gauge can handle the 30 A load without excessive voltage drop. In cases where the original relay includes additional features such as a built‑in diode or a different switching voltage, the HELLA relay may not be suitable. Always perform a functional test after installation to confirm proper operation. When the specifications align, the HELLA relay offers a reliable, high‑quality alternative that benefits from the brand’s long‑standing reputation for durability.
What warranty and support does HELLA provide for this relay?
HELLA backs the 12V 30A screw‑mount relay with a standard one‑year limited warranty that covers defects in materials and workmanship under normal use. If a failure occurs within the warranty period, the customer can contact HELLA’s technical support team, provide the relay’s serial number or UPC (760687016076), and receive a replacement unit or a repair service at no additional cost. The warranty does not apply to damage caused by improper installation, exposure to extreme temperatures beyond the specified operating range, or misuse such as exceeding the rated current. In addition to the warranty, HELLA offers a comprehensive after‑sales support network that includes online resources, downloadable wiring diagrams, and a dedicated helpline staffed by engineers familiar with automotive electrical systems. Customers can also access a database of frequently asked questions and troubleshooting guides that address common issues like coil burnout, contact arcing, and relay chatter. For fleet operators and professional service centers, HELLA provides bulk‑order options and priority service agreements that expedite parts delivery and technical assistance. By combining a solid warranty with responsive technical support, HELLA ensures that owners of the 003510087 relay experience minimal downtime and confidence in the long‑term reliability of their electrical components.






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