Safety & Security

The Best Automotive Replacement Neutral Safety Relays

This post contains affiliate links. As an Amazon Associate we earn from qualifying purchases.

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

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.

No. 1
1987-2013 REPL.# 3GD-81950-01-00 Neutral Relay for Yamaha YFM 350 Raptor Warrior
  • ✅ High Quality Replacement: Durable parts to keep your vehicle running smoothly.
  • ✅ Perfect Fit: Designed to match OEM specifications for easy installation.
  • ✅ Cost-Effective: Save money without compromising performance.
  • ✅ Wide Compatibility: Works with a variety of car makes and models.
  • ✅ Reliable Performance: Long-lasting parts for everyday driving peace of mind.
No. 2
Automotive Relay Fit for Mercedes Benz GLA45 AMG #0025428819 A0025428819
  • 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
No. 3
CCIYU Neutral Safety Switch 84540-04020 Backup Switch Transmission Range Sensor Fit 2014-2016 for Toyota...
  • Compatible with: 2014-2016 For Toyota 4Runner, 2008-2011 2013-2015 For Toyota Land Cruiser, 2015-2021 For Toyota Tacoma
  • Replaces Part Number: 84540-04020 8454004020
  • High Premium: Offering the quality, reliability, and durability of OE. Makes your car look sharper and more refined.
  • Features: Manufactured from High premium material. Provide extreme durability for long life. megathermal resistance and rust proof.
  • Quality Assurances: 100% tested for both mechanical and electrical performance to ensure to ensure product security, stability and durability.
No. 4
Gebildet 2pcs 12V 40A 4 Pin SPST Car Relay Harness JD1912, 12AWG Harness Sockets with Built-in Diode for...
  • 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.
  • Life Expectancy Electrical: 100,000 Operation, Life Expectancy Mechanical: 10,000,000 Operation.
No. 5
TRQ Neutral Safety Switch
  • Reference Numbers: NS-635; 19369217; 24213847; 24218238; 24221787; 24230112; 24236104; 24278171; 1S12276; CSW532; NS7037; SW9341
  • YOUR TRUSTED DIY VIDEO SOURCE: TRQ offers the largest catalog of DIY videos for replacement parts, making installation easier and repairs more accessible. Our mission is to help you "View Before You Do," with hundreds of new videos added weekly.
  • TRUST & COMPATIBILITY: For over 25 years, TRQ has been the premium choice for direct-fit replacement parts. Confirm fitment with the Amazon Garage "confirmed fit" feature and review our full compatibility chart below before purchase.
  • EASE OF INSTALLATION: Save time and effort with pre-assembled components designed as direct replacements for the original equipment, ensuring precise fit and eliminating the need for modifications.
  • TRUST & COMPATIBILITY: For over 25 years, TRQ has been the premium choice for direct-fit replacement parts. Confirm fitment with the Amazon Garage "confirmed fit" feature and review our full compatibility chart below before purchase.
  • EASE OF INSTALLATION: Save time and effort with pre-assembled components designed as direct replacements for the original equipment, ensuring precise fit and eliminating the need for modifications.
No. 6
4PCS 5 Pin Relays, 12V 30A Automotive Starter Relay Multi-Purpose Heavy Duty Standard Relay Kit, Universal...
  • 【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...
  • 【5-Pin Relay】:The 5-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 5-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.
  • 【Simple Operation】:The motor relay is easy to use for normal automobile applications. Simply connect the relay to the wire for convenient replacement and proper component function.
No. 7
Arrhythmic 1Pc Neutral Safety Switch Relay Automotive Replacement for Nissan Pulsar 1983 1.6L l4
  • [Vehicle Fitment]: Automotive Replacement Neutral Safety Switch Relay for Nissan Pulsar 1983 1.6L l4
  • [Superior Quality]: manufactured by high-quality materials for ensuring precisely matches, durability, reliability and premium performance.
  • [Easy to Install]: Designed as direct replacements for the original equipment, ensuring precise fit and eliminating the need for modifications.
  • [Package Included]: 1 Neutral Safety Switch Relay
  • [Purchase Notes]: Please use Amazon's vehicle fitment tool (located at the top of the listing on desktop and below the image on mobile) to confirm that our product is suitable for your vehicle application.
No. 8
Neutral Safety Switch 42700-39055 Compatible with Hyundai Santa Fe 2001-2010
  • Interchange Part Number:42700-39055
  • To ensure you order the correct part, please check if the number of your previous part is exactly the same as the number(s) stated in the listing.
  • If you are not sure about what exactly you need just contact us and get professional assistance.
No. 9
QKYS 2PCS 12088567 8567 Automotive Relay, High-Performance 12VDC 30A 4Pin Fuse Box Relays, 12088567 8567 GM...
  • 【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
  • 【Installation method】This 12088567 4-pin relay can be seamlessly plug-and-play, without tools or wiring. Its pin definition and installation dimensions are precisely matched with the vehicle's relay socket, and can directly replace the original relay

Last update on 2026-09-02 / 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.