Description
Product Overview
The PartCatalog Air Intake Heater Relay is engineered to meet original equipment (OE) standards, delivering dependable performance for your vehicle’s heating system. Constructed with a robust screw‑mount housing, this relay features a normally open contact configuration and operates automatically, ensuring the intake heater engages precisely when needed. With two terminals and a compact footprint, it integrates seamlessly into the existing wiring harness, providing a direct replacement without modifications.
Usage
Designed for a broad range of passenger cars and light trucks, this relay is ideal for cold‑weather climates where rapid engine warm‑up is essential. Install it in the engine compartment to control the auxiliary heater, improving cabin comfort and reducing engine wear during start‑up. Suitable for both OEM repairs and aftermarket upgrades, it serves mechanics, DIY enthusiasts, and fleet maintenance teams.

Why Choose Us
PartCatalog guarantees OE‑level quality, rigorous testing, and precise fitment for each listed vehicle. Our relays are manufactured to exact specifications, ensuring long‑term reliability and resistance to vibration and temperature extremes. Backed by a comprehensive warranty and responsive customer support, we provide confidence that the relay will perform as intended throughout its service life.
Key Features
- Durable screw‑mount design for secure installation
- Normally open contacts provide reliable heater activation
- Automatic operation mode eliminates manual control
- OE‑compliant performance matches or exceeds factory standards
- Direct replacement fits listed vehicle models without wiring changes
FAQ
Is this relay compatible with my vehicle?
Check the fitment chart in the product images for a list of supported makes and models. The relay is designed as a direct OE replacement for those vehicles.
Do I need any special tools to install the relay?
Installation requires a standard screwdriver to secure the screw‑mount housing. No additional tools or wiring modifications are necessary.
What is the warranty coverage?
PartCatalog offers a one‑year limited warranty covering defects in materials and workmanship, ensuring peace of mind for your purchase.
Can this relay be used in aftermarket heating systems?
Yes, the relay’s specifications meet the requirements of most aftermarket auxiliary heater kits, making it a versatile choice for upgrades.
How does the automatic mode work?
The relay senses engine temperature and engages the intake heater automatically when the temperature falls below a preset threshold, providing consistent heating without driver intervention.






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