M22759/16 Tefzel Wire — 18 AWG, Yellow/Gray Stripe
The M22759/16-18-48 Yellow/Gray BTF Stripe — SKU: M22759/16-18-48-PRSP is a genuine MIL-spec M22759/16 Tefzel-insulated stranded wire in 18 AWG with a yellow/gray striped insulation, supplied by Arctic Performance Parts as a pre-striped BTF (Build To Fill) shelf stock wire for professional motorsport wiring harness construction. M22759/16 is the aerospace and motorsport industry standard wire specification for high-temperature, lightweight, and chemically resistant wiring in demanding electrical environments.
M22759/16 — MIL-Spec Tefzel Wire
M22759/16 wire uses ETFE (Ethylene Tetrafluoroethylene) insulation — marketed under the DuPont trade name Tefzel — which provides a unique combination of properties that standard automotive wire cannot match. Tefzel insulation is rated for continuous operation at temperatures up to 150°C, resists virtually all fuels, oils, hydraulic fluids, and cleaning solvents without degradation, and offers excellent abrasion resistance in a thin wall that minimises conductor diameter. These properties make M22759/16 the default wire specification for professional motorsport harness builders worldwide who require maximum reliability in the harshest electrical environments.
Yellow/Gray — Colour Identification
Yellow/gray (code 48) occupies a specific position in the extended yellow wire family, used where the harness design requires a greater number of individually identifiable yellow-base circuits than single-colour and primary-stripe yellow combinations can provide at a shared connector or split point. The yellow base with gray stripe combination in colour code 48 provides a visually distinct wire identity that is immediately readable at connector entry points, splice locations, and terminal ends throughout the harness. Harness designers working on complex race car electrical systems with large multi-circuit ECU connectors frequently need the extended colour range that stripe combinations provide — yellow/gray delivers a clear, unambiguous wire identity that reduces assembly errors and simplifies circuit verification.
18 AWG — Wire Gauge
18 AWG is the standard signal and sensor wiring gauge for motorsport harness construction — covering ECU sensor inputs, analogue outputs, CAN bus, switched logic signals, and low-current actuator circuits. At 18 AWG, M22759/16 provides the correct balance of current capacity, flexibility, and harness weight for the majority of non-power circuits in a professional race car wiring system. The stranded conductor construction of M22759/16 provides flexibility and vibration fatigue resistance essential for motorsport harness applications where wires are routed around corners, through grommets, and along chassis runs that flex during normal vehicle operation.
BTF Shelf Stock — Ready to Ship
The PRSP (Pre-Striped, Pre-Stocked) designation indicates this wire is held as shelf stock at Arctic Performance Parts, available for immediate dispatch without the lead time associated with custom-striped wire orders. This is a significant advantage for motorsport harness builders working to tight build schedules — the yellow/gray colour combination can be ordered and received without waiting for a custom stripe run. Arctic Performance Parts maintains a broad range of M22759/16 striped colours in 18 AWG and 16 AWG to support professional harness builds.
Technical Specifications — SKU M22759/16-18-48-PRSP
- Specification: MIL-DTL-22759/16
- Insulation material: ETFE (Tefzel)
- Wire gauge: 18 AWG
- Colour: Yellow/Gray stripe (code 48)
- Temperature rating: −65°C to +150°C continuous
- Construction: Stranded, tin-plated copper
- Chemical resistance: Fuel, oil, hydraulic fluid, solvents
- Application: Motorsport wiring harness, aerospace, high-performance builds
- Stock type: BTF pre-striped shelf stock
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