Direct OEM Replacement for Reliable Performance：This is a high-quality, direct-fit replacement for the original OEM part number 171937503A. Engineered to meet or exceed factory specifications, ensuring perfect electrical compatibility, a secure fit, and reliable operation in your vehicle's critical circuits.
High-Capacity 40A Switching for Demanding Applications：Built with a robust 40-amp resistive load rating, this relay is designed to handle high-current applications reliably. It's an ideal upgrade or replacement for circuits controlling fans, fuel pumps, auxiliary lights, horns, or other high-draw accessories, preventing switch damage and voltage drop.
Premium Silver Alloy Contacts for Longevity：Features silver alloy (Ag alloy) electrical contacts which provide superior conductivity compared to standard materials. This results in lower electrical resistance, reduced heat generation, and significantly extended relay life, ensuring dependable performance over time.
Universal 4-Pin Quick-Connect Design for Easy Installation：The standard 4-pin blade terminal (1 Form A / SPST-NO) layout and quick-connect design make installation straightforward. Simply match the pin configuration to your existing socket for a plug-and-play solution in most automotive, marine, or industrial control panels—no wiring modifications needed.
Rigorously Tested & Ready to Use：Each relay undergoes stringent quality control and electrical testing to guarantee performance right out of the box. Your order includes 1x 171937503A #17 12VDC Automotive Relay, providing a complete and reliable solution for your electrical project or repair.
وصف
Nominal Coil Voltage: 12 VDC
Contact Form: 1 Form A (SPST - Single Pole Single Throw, Normally Open)
Maximum Load Current (Resistive): 40 Amps @ 12VDC
Contact Type: Normally Open (NO)
Contact Material: Silver Alloy (Ag alloy)
Terminal Type: Quick Connect (4-Pin Standard Blade)
Package Contents: 1 x 171937503A #17 Automotive Relay
Upgrade Your Electrical System: 171937503A #17 40A Automotive RelayThe Heart of Reliable Circuit Control In modern vehicles and equipment, relays are the silent workhorses that allow low-current switches to safely control high-power devices. A failing relay can lead to inoperative accessories, erratic operation, or even electrical issues. Our 171937503A #17 relay is manufactured as a premium, direct replacement to restore and ensure the robust performance of your 12-volt electrical systems.Automotive: Electric cooling fans, fuel pumps, horn circuits, auxiliary driving lights (light bars, fog lights), air compressors, power window systems (older models).
Attention:
Do not switch the contactswithout any load as the contact resistance may become increased rapidly.
Do not use relays that exceedcoil ratings, contact ratings, and life expectancy, as doing so may result inRisk of overheating.
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