Mercedes W123 diesel owners, this accelerator linkage pivot insert kit is exactly what you need to restore smooth throttle response to your classic ride! Compatible with 1981-1985 W123 diesel models, this kit includes the essential pivot insert that wears out over time, causing sloppy accelerator pedal feel and inconsistent throttle response. The part numbers match perfectly: 1233001340, 123-300-13-40, 123 300 13 40, and all the other variations you might encounter. This aftermarket part offers the same performance as the original Mercedes component but at a much more reasonable price. Installation is straightforward for anyone with basic mechanical skills, and the quality construction ensures reliable operation and long service life. If you've been experiencing sticking throttle, play in the pedal, or inconsistent engine response, this simple replacement often solves the problem completely. The kit comes with everything you need for the job, and the quality is tested to ensure proper fit and function. Keeping these classic Mercedes running smoothly often comes down to replacing worn bushings and pivot points like this one. Your driving experience will feel so much more precise with a crisp, responsive accelerator that doesn't have that annoying slop or hesitation. This is one of those simple maintenance items that makes a huge difference in how your vintage Mercedes drives and feels every day!