Upgrade or your tractor's gearshift knobs with this set of 2 quality replacements, designed for a precise fit and reliable performance. Key features and benefits: Includes 2 gearshift knobs for quick replacement and reduced downtime Engineered to fit part numbers R50864, R153875, R161382 for compatibility Manufactured for durability to withstand regular use in demanding agricultural environments Provides a comfortable grip for smooth and accurate gear shifting, improving operator control Compatibility: This gearshift knob set is compatible with a wide range of John Deere tractors and is a direct replacement for the specified part numbers. Suitable models include: Series 3000 and 4000 tractors: 3030, 3130, 3040, 3140, 3120, 3150, 4030, 4040, 4240, 4440, 4050, 4250, 4450, 4055, 4255, 4455, 4230, 4430, 4555, 4755, 4955, 4560, 4760, 4960, 4630, 4640, 4840, 4650, 4850 Series 1000, 2000, and related models: 1020, 1030, 1120, 1130, 1040, 1140, 1520, 1530, 1550, 1630, 1640, 1750, 1850, 1840, 1830, 2030, 2040, 2020, 2120, 2130, 2140, 2150, 2155, 2240, 2255, 2350, 2355, 2550, 2555, 2355N, 2440, 2630, 2640, 2750, 2755, 2855N, 2840, 2940, 2950, 2955 Practical use scenarios: Ideal for restoring worn or damaged gearshift knobs to maintain smooth operation and comfort in daily farm work for preventive maintenance during seasonal servicing, ensuring reliable performance in planting or harvesting periods Suitable for tractor restorations where maintaining authentic John Deere parts is important for functionality and value Designed to meet OEM standards, these gearshift knobs provide a straightforward, dependable solution for maintaining tractor efficiency and operator comfort across a wide range of John Deere models.