A-Premium 12V Starter Solenoid Switch 4-Terminal — Direct-Fit Replacement, Heavy-Duty

The A-Premium 12V 4-terminal starter solenoid is a direct-replacement ignition switch that routes battery power to the starter on compatible Ford, Lincoln, Mercury, Dodge and select Mazda trucks and SUVs.

This heavy-duty replacement solenoid restores reliable starter engagement for older vehicles where the original switch has worn out. Built with a four-stud terminal layout and a 12-volt coil, it installs in the same mounting footprint as many factory units and is packaged for single-unit replacement. The part is meant for technicians, home mechanics and restorers who need an affordable, OEM-style swap without modifying wiring harnesses.

Which vehicles will accept this A-Premium starter solenoid?

This solenoid covers a wide range of Ford family vehicles plus a handful of models from Dodge, Mercury, Lincoln and Mazda. It’s intended as a direct fit for many model years rather than a universal unit, so check the reference numbers and model years before purchase.

• Ford: F-150 (1985–2004), F-250/F-350 series (various 1984–2004 years), Explorer (1993, 1995–2007), Ranger (1985, 1988–2003), Mustang (1983–1993).
• Economy and full-size vans: E-150, E-250, E-350 Econoline (selected years between 1984–1996).
• Other makes: Dodge D350 (1989), Mazda B2500/B4000 (late 1990s–2001), Lincoln and Mercury models including Town Car and Grand Marquis.
• Check cross-reference numbers such as SS598T, SW1951C, 12336881, and factory service part codes for exact compatibility.

How is this solenoid constructed and what are its specs?

The A-Premium unit uses a 12-volt coil and four stud-style terminals to match common factory wiring. It ships in a boxed package and is supplied as a single replacement part, intended for direct swap-in installation without splicing.

• Voltage: 12V — designed for standard automotive electrical systems.
• Terminal configuration: 4 stud terminals for battery, starter, and control connections.
• Packaging: individual boxed unit for one-to-one replacement.
• Fitment type: manufactured as a direct replacement to match OEM mounting and electrical interfaces.

What should I expect during installation and maintenance?

Installation is straightforward for anyone comfortable with basic automotive electrical work: disconnect the battery, remove the old solenoid, transfer any brackets or insulators, and secure the new unit. Routine care involves checking terminal tightness and cleaning corrosion to maintain reliable current flow.

• Tools required: basic wrench/sockets, screwdrivers, and a torque check for terminal studs.
• Steps: battery negative disconnect, unfasten mounting, label and remove terminals, fit new solenoid, reattach terminals, reconnect battery.
• Maintenance: inspect terminals periodically and protect connections from moisture and dirt.

Will this replace my vehicle's factory part numbers?

Yes — the solenoid cross-references multiple factory and aftermarket numbers used across decades of models. Use the listed reference codes to verify compatibility with your vehicle’s original part number or service manual.

• Common cross-references included: SS598T, SW1951C, 12336881 and many manufacturer-specific codes.
• If in doubt, confirm the old solenoid’s mounting pattern and four-terminal layout match this unit.
• Contact the seller with your vehicle VIN and model year for final fitment confirmation if needed.

Who is this for: This A-Premium starter solenoid is geared toward do-it-yourself mechanics, restoration projects, fleet maintenance shops and independent repair technicians working on older domestic trucks, vans and SUVs. It’s best suited for vehicles where a like-for-like, four-terminal 12V solenoid is required and for buyers who want a boxed replacement part that follows OEM form and function.