Replacement Ignition & Cab Door Key for Deutz-Fahr 07C Series Tractors - Part Number: 65400008
The standard OEM replacement master key for ignition switches and cabin door locks (part number 65400008, genuine Deutz-Fahr OEM reference 04345438 / 4345438) is a precision-cut agricultural equipment key designed to operate starter ignition switches and cabin door latch cylinders across Deutz-Fahr 07C cabin-equipped tractors. Engineered with an anti-twist metal alloy blade resistant to torsional fatigue and an ergonomic high-density overmolded polymer grip, it delivers smooth, binding-free rotation through internal tumbler wafers. Milled to original factory tolerances, it ensures dependable operation during preheat and engine starting sequences as well as secure cabin locking. This OEM-equivalent part delivers direct plug-and-play fitment across all Deutz-Fahr 07C Series tractors (models D 4507C, D 4807C, D 5207C, D 6007C, D 6207C, D 6507C, D 6807C, D 6907C, D 7007C, D 7207C, D 7807C).
Key Features & Engineering Advantages
- Factory-Calibrated Precision OEM Profile: Milled to exact Deutz-Fahr factory tolerances to ensure smooth, immediate engagement and prevent premature tumbler wafer wear in ignition switches 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 fluids, and regular high-pressure washdowns.
- Direct OEM Replacement: Ideal solution for replacing lost, worn, or broken ignition and door keys with a reliable factory-spec duplicate.
Technical Specifications
| Commercial Part Number |
65400008 |
| Deutz-Fahr OEM Reference |
04345438 (also referenced as 4345438) |
| Compatible Manufacturer |
Deutz-Fahr |
| Component Classification |
Precision profile replacement ignition and cab door key |
| Blade Material |
High-tensile fatigue-resistant metal alloy with anti-friction surface finish |
| Grip Material |
Overmolded high-density UV-stabilized thermoplastic polymer |
| Primary Application |
Ignition switch actuation, starter circuit engaging, and cab door lock operation |
Equipment Compatibility & Tractor Application Guide
| Manufacturer |
Tractor Series |
Supported Tractor Models |
| Deutz-Fahr |
07C Series |
D 4507C, D 4807C, D 5207C, D 6007C, D 6207C, D 6507C, D 6807C, D 6907C, D 7007C, D 7207C, D 7807C |
Usage Advice & Workshop Notes: Prior to testing the key, ensure the lock cylinder keyway or ignition switch slot is clean and free of compacted field grit, mud, or dust. 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 attract and hold abrasive particles). Insert the key fully and verify smooth rotation across all switch detents (Accessory, Run, and Start). If the ignition switch shows noticeable mechanical binding due to worn internal tumbler wafers, service or replace the switch assembly to preserve the new key's profile integrity.
