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A faulty blower motor relay can leave you without essential climate control, impacting comfort and visibility. Ensuring your vehicle's HVAC system functions optimally requires selecting a reliable replacement relay. This guide will help you navigate the key considerations for making an informed purchase.
OEM Part Numbers: Replacement for part numbers 25230-79942 and 25230-79943, ensuring a precise fit and function.
Wide Compatibility: Direct replacement for various Infiniti and Nissan models, for G35, M35, G37, Altima, Sentra, Armada, Juke, Leaf, Maxima, Murano, Quest, Rogue, and Titan.
High-Quality Construction: Built to OEM specifications, ensuring durability and reliability for long-term use.
Easy Installation: Direct replacement part that requires no modifications, making it easy for both professional mechanics and DIY enthusiasts to install.
Applicable Models：Compatible with Infiniti G35 M35 G37 Nissan Altima Sentra；
OE Part Number:25230-79942;
If you have any questions, we will reply to you within 24 hour.
Cautions: Please check your vehicle fitment carefully in the product description to avoid any wrong purchase. Please check your part pictures with our pictures, especially the plug, it must be completely same.Or it will not fit your car.
SPECIFICATIONS & TERMINAL MAPPING: Professional-grade V23134-J59-X431 4-Pin SPST-NO (Single Pole Single Throw - Normally Open) high-power relay. Rated for 12VDC coil with a 70A peak contact load capacity. Standard ISO layout (Terminals...
OEM FITMENT & COMPATIBILITY: Precision-engineered replacement component specifically compatible with Mazda CX-5 (2013, 2014, 2015, 2016) and various Ford applications. Direct interchange for TE Connectivity V23134-J59-X431 and Mazda OE Part G115-67-740
HVAC CIRCUIT DIAGNOSTIC SOLUTION: Effectively resolves electrical failures in HVAC blower motor circuits. Solves common issues such as cabin fans not blowing air, intermittent HVAC operation, and related DTC codes B1238 or P0480. Restores reliable...
INDUSTRIAL-GRADE ARC RESISTANCE: Constructed with AgSnO2 (Silver Tin Oxide) contacts for superior electrical conductivity and thermal stability. This specialized material minimizes surface degradation and prevents contact welding during high-surge...
Replacement Model: Our relay can perfectly replace the relays numbered G8HL-H71, 39794-SDA-A03, 39794-SDA-A05, and 1R191. The AC relay is 0.87×0.57×1.07 inches in size. Please check the model before purchasing
Precise Circuit Control: The ac relay adopts the precision structure of silver alloy contacts + all-copper electromagnetic coils to achieve millisecond-level current switching response, can stably control 10A-30A load current, and the temperature rise is...
Sturdy and Durable: The plastic shell of the AC compressor relay is sturdy and resistant to falling, tightly fitted, waterproof, exquisite and compact, and does not take up too much space when stored
Intelligent Current Management: The G8HL-H71 AC and starter relay can achieve a current amplification ratio of 1:20, is not easy to short-circuit, and can effectively protect the original vehicle wiring harness from overload risks. It is especially...
PROVIDES CONSISTENT voltage to withstand and prevent conditions such as reverse polarity, ESD transients, and jump start voltage extremes.
HIGH QUALITY composite housing provides protection against high temperatures and severe under the hood conditions.
SPECIFICALLY ENGINEERED AND TESTED to meet or exceed OE (original equipment) motor relay, form, and function. DTS is manufactured by AMF Industrial with 30 years automotive experience in more than 10 countries.
Fitment: for INFINITI FX35 2007-2010; for INFINITI FX45 2007-2008; for INFINITI G35 2003-2007; for NISSAN 350Z 2003-2007; for NISSAN 370Z 2009-2018; for NISSAN ALTIMA 2003-2011; for NISSAN ARMADA 2018; for NISSAN LEAF 2012-2017; for NISSAN MAXIMA...
Material: Made of plastic and metal material, the surface is smooth and comfortable, light weight, not easy to damage.
Control the magnitude of the current and its on-off.
Last update on 2026-10-20 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Blower Motor Relays
Compatibility is Key
The most crucial factor when purchasing a blower motor relay is ensuring it's compatible with your vehicle's make, model, and year. Incorrectly matched relays can lead to system malfunctions or outright failure. Always consult your vehicle's owner's manual or use online parts compatibility checkers to find the exact part number or equivalent needed.
Quality of Materials and Construction
Opt for relays made from durable materials designed to withstand the heat and electrical demands of your car's HVAC system. Look for relays with robust internal components and secure connections to prevent premature failure. Reviews from other vehicle owners can often highlight the build quality and longevity of different brands.
Brand Reputation and Warranty
While not always a guarantee, established brands in the automotive parts industry often have a reputation for reliability and quality control. Consider brands known for producing dependable electrical components. Additionally, check if the replacement relay comes with a warranty, as this can provide peace of mind and protection against defects.
Frequently Asked Questions
What are the symptoms of a bad blower motor relay?
Common signs include the blower motor only working on certain speed settings, not working at all, or the AC/heater system blowing air intermittently. You might also notice a burning smell or hear clicking sounds from the dashboard area when the system is engaged.
Can I use a universal blower motor relay?
While universal relays exist, they are generally not recommended for blower motor applications. The precise voltage and current requirements of your vehicle's system are best met by a direct-fit replacement. Using a universal part may lead to performance issues or damage to the HVAC system.
How often should a blower motor relay be replaced?
Blower motor relays are typically designed to last the lifetime of the vehicle and do not have a set replacement interval. They fail due to electrical stress, heat, or age, rather than routine wear and tear. Replacement is only necessary when symptoms of failure are present.
Where is the blower motor relay located in my car?
The location varies significantly by vehicle. It is commonly found in the fuse box, either under the dashboard, in the engine compartment, or sometimes in the glove box. Your car's owner's manual or a vehicle-specific repair guide will pinpoint its exact location.
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