1998 Mercury Grand Marquis Engines

Used and remanufactured engines that fit the 1998 Mercury Grand Marquis. Each unit below is matched to this vehicle, warranty-backed, and shipped with freight quoted at checkout from EP Engines.

Available Engines (3)

Other Mercury Grand Marquis Years

1998 Mercury Grand Marquis Engine Market Context

Is replacing the engine worth it?

Vehicle value (mid-size sedan):
$2,500 – $3,000
Repair makes sense under:
≈$1,250

Rule of thumb: a engine replacement is usually worth it when the installed cost stays under 50% of what the 1998 Mercury Grand Marquis is worth — most units below beat that comfortably.

Frequently Asked Questions

Is it worth repairing or replacing the engine on a 1998 Mercury Grand Marquis?

As a general rule of thumb, an engine replacement on a 1998 Mercury Grand Marquis (mid-size sedan segment, vehicle value roughly $2,500–$3,000) is usually worth it when the installed cost stays under about $1,250 — roughly 50% of what the vehicle is worth.

What years of Mercury Grand Marquis does an remanufactured or new engine fit?

Based on vendor-verified fitment data across 26 listed engines, remanufactured and new engines for this model cover the 1978–2011 model years. Always confirm your exact VIN or engine/transmission code before ordering, since fitment can vary by submodel or engine.