Generally speaking, 1994-2004 Chevy S-10 and GMC Sonoma parts are the most likely to be interchangeable with your 1996 S-10. This is because the body style and many mechanical components remained relatively consistent during this period.
However, there are important caveats:
* Body Parts: Even within this timeframe, bumper covers, headlights, taillights, and other exterior trim pieces can vary slightly. While some might fit, others might require modifications. Always check part numbers to ensure compatibility.
* Mechanical Parts: Engines, transmissions, and suspension components are *more* likely to be interchangeable, but you should always cross-reference part numbers. Some internal components may differ even if the overall assembly looks similar. For instance, even if two engines are both 4.3L V6s, internal parts might differ subtly between years, potentially causing problems.
* Specific Options: If your 1996 S-10 had specific options (e.g., a particular type of ABS system, specific transmission, a certain option package), parts from other years might not fit correctly.
In short: While 1994-2004 is a good starting point, always double-check part numbers using a reliable parts catalog (like AutoZone, Advance Auto Parts, or RockAuto) to ensure compatibility before purchasing. Using the VIN of your specific truck is the most accurate way to ensure parts fit.