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The neutral safety relay is a crucial component in your vehicle's starting system, preventing the engine from starting in gear. A faulty relay can leave you stranded or cause intermittent starting issues. Selecting a reliable replacement ensures your vehicle's safety and starting reliability.
Compatible models: Automotive relay fit for Mercedes Benz GLA45 AMG 2015-2019; Fit for A250 B250 C200 C300 C400 C43 AMG C450 C63 CLA250 CLS450 E300 E350 E400 E450 E500 E63 AMG GL450 GLC300 GLE500 S400 S500 S63 AMG SL500 SL55 AMG SL63 AMG SLK250 SLK55 AMG...
Replaceable part number: 0025428819 A0025428819
High-quality material: Multi-purpose relay housing is made of high-quality ABS plastic, which has excellent wear resistance and corrosion resistance, is not easy to deform, and is sturdy and durable; the plug is made of high-quality metal, which is...
Easy to install: Direct installation, no need to purchase installation tools, simple, fast and convenient
With Extra Fuse: With a built-in 30A blade fuse and heavy-duty wire for the main contact, this car relay 12v needs no separate fuse holder, saving space and cost. When the circuit is overcurrent, the fuse will quickly blow to cut off the circuit...
Easy Wiring: For quick and easy connection to loads or accessories, this 4 pin relay features color-coded wires for easy installation and circuit connection. The specific color-coding is: black to ground (85), blue to connect to power positive (30), white...
Interlocking Design: To achieve a neat and orderly installation layout with easy cable management and organization, the unique interlocking design of the male and female slots on the edge of each 12v relay socket makes it easy to connect multiple relays...
Solid Construction: Supporting 12V DC (up to 14V DC) and 30A current, this SPST (Single Pole Single Throw) automotive relay features a ruggedized case that is resistant to bumps and high temperatures for smooth, reliable operation and high switching...
Practical Function: These relays control high-current electrical components efficiently, supporting stable current switching and reducing the risk of circuit overload. They maintain reliable system performance and help extend the service time of connected...
Product Configuration: These standard relays correspond to model G8V-RH-1C7T-R-DC12 and feature a compact 5-pin layout designed to replace worn or damaged OEM parts directly. They support 12V DC working voltage with a 40A load capacity, offering reliable...
Quality Material: These power relays feature corrosion-resistant plastic housings and premium copper terminals that perform well in harsh automotive environments. Their casings resist impact effectively, while the copper terminals provide excellent...
Wide Application: These heavy-duty relays are designed for 12V automotive systems and fit various cars, trucks, and SUVs. They work well with lighting controls, fan motors, fuel pump circuits, electric water pumps, and trunk solenoids, offering broad...
Specs & OE Match — Park/Neutral Position (PNP) starter-interlock relay for 12-volt systems; multi-contact 9-pin body; relay face code “175”; OE No. 3A0927181 (also written 3A0-927-181 / 3A0 927 181). Designed for vehicles equipped with 4-speed...
Install Location & Symptoms — Typically installed on the main relay carrier under the driver’s lower dash; on many Mk4 platforms the PNP relay (J226) sits at position 11 on the carrier. Function: allows crank only in Park/Neutral; a failed unit can...
Integrated Diode: Each relay includes a built-in diode that suppresses induced voltage during switching, safeguarding your electrical components from potential damage.
Small size/Low power consumption/High contact voltage/ High sensitivity.
Contact Material: Ag Alloy / Contact Resistance: ≤ 100MΩ.
Minimum operating voltage 8V, corresponding minimum operating current is 100mA; Standard operating voltage 12V, corresponding standard operating current is 150mA.
Quality Material: The a/c relay housing is made of PA66 flame-retardant material with pure copper enameled wires to ensure excellent heat dissipation and magnetism, which enhances resistance to high temperatures and arc erosion, providing excellent...
Excellent Waterproof Performance: The fuel pump relay base is sealed and waterproof with IP67 protection level, waterproof and dustproof, able to work stably in all kinds of humid environments, ensuring long-term reliability and durability of the relay
Relay Specifications: Package contains four starter relays, each model number JD1914-12V-40A, five-pin design, size 1.07 x 0.98 inches, coil power 1.8 watts, coil resistance 90Ω
Easy Installation: The five-pin design of the radiator fan relay makes it easy to replace an existing relay by simply connecting the appropriate wires to the corresponding pins. No additional tools are required, making the installation process easy and...
The 12v relay harness base contains 3*12 AWG and 2*16 AWG cables, length: 5.5 in, providing reliable load-bearing capacity and 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 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.
【High-Quality Material】: The black shell is made of nylon with an insulating effect. The pin is made of brass, resistant to cold and heat. Rugged, unbreakable and corrosion resistant, they will support you for a long time and are suitable for...
【4-Pin Relay】:The 4-pin design is particularly useful in all parts of the automotive electrical system. They can be used as normally open or closed relays.12V relays are designed with silver alloy pins for improved contact stability and sensitivity...
【Package Included】:The package includes four 12V 30A 4-pin relays, measuring approximately 1.41 x 0.94 x 0.63 inches / 3.6 x 2.4 x 1.6 cm. Sufficient quantity to meet your daily use and replacement needs.
【Wide Application】:Multi-purpose automotive starter relays can be applied to taillights, engine compartments, electric cooling fans, electric water pumps, fuel pumps, wiper handle solenoids, blower motors, trunk solenoids, and other devices.
【Compatible】Replaceable part numbers: 12088567, 12135170, 13502679, 13500114, 19116057, 15328866, 19115083, 19115080, 15393412, 22867702, our relays are suitable for Buick, Cadillac, Chevrolet, GMC, Pontiac, etc.
【Operating Temperature】12088567 8567 automotive relays have strong high temperature resistance and can operate stably at temperatures from -40°C to 125°C, making them ideal for engine compartments and harsh automotive environments.
【Coil Voltage】The coil voltage of this 4-pin power relay is 12 VDC and can handle a maximum current of 20A. These parameters enable it to operate stably in the complex voltage environment of the vehicle, avoiding failure or damage caused by parameter...
【Durable Quality】This 4-pin power relay is made of high-quality materials, with fast conductivity and ultra-long durability, providing uninterrupted power control in the harshest road environments
Last update on 2026-10-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Neutral Safety Relays
Key Factors When Choosing a Neutral Safety Relay
When purchasing a replacement neutral safety relay, consider these important factors:
Vehicle Compatibility: The most critical factor is ensuring the relay is compatible with your specific vehicle's make, model, and year. Refer to your vehicle's owner's manual or consult a parts catalog to find the exact part number or specifications required. Using an incompatible relay can lead to malfunction or damage to your electrical system.
Brand Reputation and Quality: Opt for relays from reputable automotive parts manufacturers known for their quality and reliability. While generic options may be cheaper, investing in a well-regarded brand often translates to longer lifespan and consistent performance. Look for relays made with durable materials that can withstand the engine compartment's conditions.
Electrical Specifications: Verify that the new relay's voltage and amperage ratings match or exceed the original component's specifications. This ensures it can handle the electrical load without overheating or failing prematurely. Pay attention to the number of terminals and their configuration, as these must align with your vehicle's wiring harness.
Frequently Asked Questions
What does a neutral safety relay do?
The neutral safety relay, also known as the starter interlock relay, prevents the engine from starting unless the transmission is in Park (P) or Neutral (N). This safety feature is designed to avoid accidental vehicle movement when the engine is started.
How do I know if my neutral safety relay is bad?
Common symptoms of a failing neutral safety relay include the engine failing to crank or start when the key is turned, even though the battery is good and other electrical components work. You might also experience intermittent starting issues.
Can I bypass the neutral safety relay?
While it might be technically possible to bypass the relay, it is strongly discouraged due to the significant safety risks involved. Bypassing it removes the safety interlock, allowing the vehicle to start in any gear, which could lead to accidental acceleration and accidents.
How often should a neutral safety relay be replaced?
Neutral safety relays are generally designed to last the life of the vehicle and do not have a specific replacement interval. Replacement is typically only necessary if the relay fails due to age, wear, or electrical issues.
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