Highly Interchangeable (often within the same year range, sometimes across a few years):
* Body parts: Many exterior panels (fenders, doors, hoods, tailgates) are often interchangeable between similar years (1998-2001). However, there might be minor variations. Always double-check part numbers.
* Interior parts: Many interior components like seats, door panels, and some dash parts might be swappable between similar years, but again, part numbers should be verified.
* Suspension components: Many suspension parts like shocks, struts, springs, and control arms can be interchangeable within a similar model year range, but you need to confirm they are correct for your specific truck's configuration (2WD, 4WD, payload capacity).
* Braking system: Brake calipers, rotors, and pads are usually interchangeable across similar models and years, but you should always cross-reference part numbers to ensure proper fitment.
* Electrical components: Some electrical parts, like lights and switches, may be interchangeable, but wiring harnesses and connectors can vary.
Potentially Interchangeable (requiring more careful verification):
* Engines & Transmissions: While engines and transmissions might be swappable *in theory*, this is a complex undertaking and often requires significant modifications. You'll need to consider engine mounts, wiring harnesses, computer modules, and transmission compatibility. This is not a beginner project.
* Drivetrain components (4x4): Transfer cases and differentials can be swapped, but matching the gear ratios and axle configurations is crucial.
Parts that are LESS likely to be interchangeable:
* Computer modules (PCM, BCM): These are usually very specific to the year, engine, and options.
* Wiring harnesses: These are highly specific to each vehicle's configuration.
Before purchasing any used part:
* Check the part number: This is the most reliable way to ensure compatibility. Compare the part number of the used part with the part number on your vehicle.
* Verify the year and model: Even within the same model year, there can be variations.
* Consider the condition: Used parts are subject to wear and tear.
In short, while some parts are relatively easily interchangeable between similar Ford Rangers from 1998-2001, others require meticulous checking and might not be feasible. Always use a reputable parts supplier and carefully verify compatibility before purchasing. Using online parts diagrams specific to your VIN will be essential for accurate identification.