Bosma Flip Key – Aftermarket Replacement for Select Chevrolet Models

Used across select Chevrolet platforms including the Equinox, Spark, and Trax, the Bosma Flip Key serves as an aftermarket flip-style replacement option for owners and technicians seeking a cost-effective alternative to OEM keys. Each Bosma Flip Key provides the fold-away blade housing that keeps the mechanical key protected when not in use, reducing pocket wear and accidental scratches. Because this unit falls under the Bosma Enterprises catalog — a lesser-known aftermarket supplier — locksmiths should verify internal electronics and transponder compatibility on a case-by-case basis before committing to a programming workflow. A properly matched Bosma Flip Key can deliver reliable daily use once confirmed against the target vehicle’s immobilizer requirements.

Vehicle Compatibility for the Bosma Flip Key

The confirmed fitment list for this product spans three Chevrolet model lines:

• Chevrolet Equinox — model years 2010 through 2017
• Chevrolet Spark — model years 2015 through 2022
• Chevrolet Trax — model years 2013 through 2022

These three platforms share General Motors ignition architectures that evolved over their respective production runs. The Equinox transitioned between generations during its 2010–2017 window, and the Trax and Spark each received mid-cycle updates that may have altered transponder or remote requirements. Because specific transponder chip data, operating frequency, and FCC registration details are not confirmed for this aftermarket SKU, technicians should cross-reference the vehicle’s existing key specifications before ordering the fob as a direct drop-in replacement.

Aftermarket Considerations and Limitations

Bosma Enterprises is not among the widely recognized tier-one aftermarket key manufacturers that dominate the automotive locksmith supply chain. This does not automatically disqualify the product, but it does mean that independent verification matters more than usual. Locksmiths accustomed to sourcing from brands with published cross-reference catalogs and known chip pairings should treat this flip key with additional scrutiny during intake.

Key points to evaluate before programming:

• Shell vs. complete key: Some aftermarket flip keys ship as blade-and-shell assemblies only, requiring the technician to transplant the transponder chip and remote board from an existing unit. Others arrive with electronics pre-installed. Confirm what is included before beginning any cut-and-program procedure.
• Blade profile: The mechanical blade must match the vehicle’s ignition cylinder. For the Chevrolet models listed, the standard GM high-security sidewinder profile is typical, but the specific keyway designation should be verified against the lock rather than assumed.
• Transponder alignment: If the device ships with an integrated chip, its type must be compatible with the vehicle’s immobilizer. Programming tools from major diagnostic platforms will identify whether the chip responds correctly during the handshake sequence.

Programming Notes for Locksmiths

Without confirmed chip family or frequency data tied to this SKU, the safest approach is to use a diagnostic tool that performs an automatic transponder read before attempting key learning. Tools from Autel, Smart Pro, or similar platforms can identify the chip inside the flip key and flag any mismatch with the vehicle’s immobilizer ECU before time is wasted on a failed enrollment.

If this unit is a shell-only product, the programming workflow reverts to whatever transponder and remote board the technician installs. In that scenario, the Bosma Remote Key Fob (FCC ID KOBUT1BT) – Specs, Fitments & P housing is simply the mechanical enclosure, and standard GM flip-key programming procedures apply based on the chip and remote frequency chosen by the technician.

When to Contact a Professional Locksmith

Vehicle owners who encounter the Bosma Flip Key as a replacement option online should be aware that cutting and programming any automotive transponder key requires specialized equipment. Even if the key arrives pre-cut or includes electronics, immobilizer enrollment is mandatory for the vehicle to start. A qualified automotive locksmith can verify fitment, cut the blade to code, and program the device to the vehicle — ensuring the replacement works correctly on the first attempt rather than becoming an expensive trial-and-error exercise.