Airtex 1R3545 Automotive Relay

The Airtex 1R3545 is a direct-fit automotive relay designed to meet or exceed original equipment specifications. Airtex Automotive Division is a trusted name in fuel delivery and electrical components, engineering their relays for reliable switching performance in demanding under-hood environments.

This relay serves as a critical switching component in a vehicle's electrical system, controlling high-current circuits — such as fuel pumps, cooling fans, starter systems, or other power-hungry accessories — through a low-current signal. Replacing a faulty relay restores proper electrical function and protects downstream components from irregular power delivery.

Key Features:

• Direct OE replacement design for proper fit and function
• Built to withstand heat, vibration, and moisture common in automotive environments
• Precise switching operation for consistent electrical performance
• Manufactured to meet or exceed original equipment standards
• Reliable contact materials for long service life

The Airtex 1R3545 relay is an easy, cost-effective solution for restoring correct electrical system operation on applicable vehicles.