Answer the key with a confident crank—the Standard Ignition Starter Solenoid SS-777 is the high-current switch that connects your battery to the starter motor when you turn the ignition. It installs as a direct-fit OE replacement for the 2003-2004 Infiniti M45 [V8-4.5L] and 2002-2006 Infiniti Q45 [V8-4.5L].
Built by a global aftermarket manufacturer that maintains quality control throughout production, it's made from durable materials chosen to hold up under harsh underhood conditions and is extensively tested for dependable operation.
- 12-volt operation for the listed applications.
- Blade terminal: one male blade terminal with a single female connector.
- Mounting: two mounting holes with mounting hardware included; mounting bracket not included and no spring included.
- Lug hole diameter: 0.19 in (4.826 mm).
- Intermittent duty (not rated for continuous duty).
If a failed solenoid is the cause of a no-crank, a single click with no engagement, or intermittent starting, replacing it with this unit restores the switching function—diagnose the cause before ordering. Country of origin: Japan. Availability is limited to while supplies last.
Interchange: S41314 · STSB1102 · ST616 · 23343AR200 · 23343AR20A. Manufacturer part number SS-777 (also SS777).
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does the SS-777 starter solenoid do?
It's a 12-volt electromagnetic switch that closes the high-current circuit between the battery and the starter motor when you turn the key, letting the engine crank.
What vehicles does the SS-777 fit?
It's a direct-fit OE replacement for the 2003-2004 Infiniti M45 (V8-4.5L) and 2002-2006 Infiniti Q45 (V8-4.5L). Check the Buyer's Guide tab to confirm your vehicle.
Does it include mounting hardware?
Yes—mounting hardware is included and the solenoid has two mounting holes. A mounting bracket and spring are not included.
What are signs my starter solenoid may need replacing?
Common signs include a single click with no crank, no response when turning the key, or intermittent starting. Have the cause diagnosed, since these symptoms can have other causes.
What are the interchange numbers for the SS-777?
It cross-references S41314, STSB1102, ST616, 23343AR200, and 23343AR20A. The manufacturer part number is SS-777.
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