Replacement Ignition & Cab Door Key for John Deere Tractors & Combines - Part Number: 65412051

The standard OEM replacement master key for ignition switches and cabin door locks (part number 65412051, genuine John Deere cross-references 205 100 33, 20510033, RE183935, RE71557, RE61717, RE43492, AL35863, AR51481) is a precision-cut agricultural equipment key designed to operate starter ignition switches and cabin door latch cylinders across the John Deere agricultural line. Manufactured with a fatigue-resistant, anti-twist metal alloy blade and an ergonomic high-density overmolded polymer grip, it delivers smooth, binding-free rotation through internal tumbler wafers. This universal master key simplifies fleet maintenance and spares management across compact, utility, row-crop, articulated, tracked tractors, and combine harvesters from John Deere (including 5M, 5R/5RN, 5020, 6000, 6010, 6020, 6030, 7000, 7010, 7020, 7030, 7R, 8000, 8010, 8020, 8030, 8R/8RT, 9000, 9020, 9030, legacy 20, 30, 40 series, and combine harvesters series 11, 22, and Z).

Key Features & Engineering Advantages

• Factory-Calibrated Precision Key Profile: Precision-milled to exact OEM tolerances to ensure smooth, immediate engagement and prevent premature wafer wear in ignition switch barrels and door locks.
• Anti-Twist High-Strength Metallic Blade: Engineered from high-strength metal alloy that prevents bending or twisting under heavy torque, ensuring long service life during cold-weather engine starts.
• Ergonomic Overmolded Polymer Head: High-density thermoplastic handle with textured grip provides maximum tactile control when starting equipment with wet hands or heavy work gloves.
• Superior Chemical & Weather Resistance: Highly resistant to ultraviolet degradation, engine oil, diesel fuel, hydraulic oil, and pressure washing.
• Broad Fleet Cross-Compatibility: Universal replacement profile replacing numerous OEM legacy part numbers, streamlining spare key inventories across massive agricultural machinery fleets.

Technical Specifications

Equipment Compatibility & Tractor Application Guide

Manufacturer	Tractor Series	Supported Models & Combines
John Deere	5M, 5R, 5RN, 5020, 5020N Series	5065M, 5070M, 5075M, 5080M, 5085M, 5090M, 5095M, 5100M, 5105M • 5080R, 5090R, 5100R • Complete 5020 / 5020N line
	6000, 6000SE, 6005, 6015, 6025 Series	6100, 6200, 6300, 6400, 6506, 6600, 6800, 6900 (incl. SE) • 6205, 6505 • 6215 • 6225, 6325, 6425
	6010, 6010SE Series	6010, 6110, 6210, 6310, 6410, 6510, 6610, 6710, 6810, 6910, 6910S • SE6010, SE6110, SE6210, SE6310, SE6410, SE6510, SE6610
	6020, 6020SE Series	6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920, 6920S • SE6020 through SE6920
	6030, 6030 Premium (PR) Series	6130, 6230, 6230 PR, 6330, 6330 PR, 6430, 6430 PR, 6530, 6530 PR, 6534, 6534 PR, 6630, 6630 PR, 6830, 6830 PR, 6930, 6930 PR
	7000, 7010, 7020, 7030, 7030PR Series	7600, 7700, 7800 • 7610, 7710, 7810 • 7720, 7820, 7920 • 7430 PR, 7530 PR, 7730, 7830, 7930
	7R, 8R / 8RT Series	All 7R Series models • 8225R, 8235R, 8245R, 8260R, 8270R, 8285R, 8295RT, 8310R, 8310RT, 8320RT, 8335R, 8335RT, 8345R, 8345RT, 8360R, 8360RT
	8000, 8000T, 8010, 8010T Series	8100, 8100T, 8200, 8200T, 8300, 8300T, 8400, 8400T • 8110, 8110T, 8210, 8210T, 8310, 8310T, 8410, 8410T
	8020, 8020T, 8030, 8030T Series	All 8020 / 8020T models • 8130, 8230, 8230T, 8330, 8330T, 8430, 8430T, 8530
	9000, 9000T, 9020, 9020T Series	9100, 9200, 9300, 9300T, 9400, 9400T • 9120, 9220, 9320, 9320T, 9420, 9420T, 9520, 9520T, 9620, 9620T
	9030, 9030T Series	9230, 9330, 9430T, 9530, 9530T, 9630, 9630T
	Legacy 20, 30 & 40 Series	1120 • 1030 through 4630 (1030, 1130, 1630, 1830, 2030, 2130, 3030, 4030, 4230, 4430, 4630) • 840 through 4840 (840, 940, 1040, 1140, 1640, 1840, 2040, 2040S, 2140, 3040, 3640, 4040, 4040S, 4240, 4440, 4640, 4840)
	Combine Harvesters Series 11 & 22	1170, 1185 • 2254, 2256, 2258, 2264, 2266
	Combine Harvesters Series Z	2064, 2066

Usage Advice & Workshop Notes: Prior to testing the key, ensure the lock cylinder keyway or ignition switch slot is free of compacted field dirt or grit. Blow out the cylinder with low-pressure compressed air and apply a light application of dry PTFE lubricant or graphite powder (avoid oil or grease, as they trap abrasive particles). Insert the key fully and verify rotation across all switch detents (Accessory, Run, and Start). If the ignition switch shows noticeable mechanical catching due to aged internal tumbler wafers, service or replace the switch assembly to preserve the new key's profile integrity.