Is it a Ranger Splash?
 

Own 1998 Ranger 2 door extended cab, 6ft. bed, 4.0 V6 with automatic.
The bed is a styleside. According to Ford articles I've read, the Ford Splash came with flareside bed & was fiberglass & came with smaller V6. My Ranger doesn't. The title states "Splash". Could this have been a special order? There's no indication it was.

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Go here and download the 1998 Ranger brochure: Auto-Brochures.com|Ford Car & Truck PDF Sales Brochure/Catalog/Flyer/Info Aerostar Bronco Bronco II C-Max Contour Crown Victoria E-Series Econoline Edge Elite Escape Escort Excursion Expedition Explorer Explorer Sport F-150 F-250 F-350 F-450 Festiva

Then you can see standard package and options for each model that year