BullyDog 40400-105 OBD-ll Block Replacement for GT Tuner | Universal

Features:

• Compatible with Bully Dog GT Tuners
• Replaces lost or damaged OBDII block
• Ensures proper GT tuner functionality
• Simple plug-and-play installation
• Universal fit for OBDII-equipped vehicles
• Compact and durable design
• Restores tuner connectivity to your vehicle

OBD-ll Block Replacement for GT Tuner

If you're running a Bully Dog GT Tuner and your OBD-II power block has gone missing or stopped working, this replacement adapter is exactly what you need to get your setup back on track. It’s a small part, but without it, your GT Tuner can’t communicate with your vehicle, so it’s kind of a big deal. This replacement OBD-II block is designed specifically for use with Bully Dog Triple Dog GT Tuners, ensuring a direct fit and seamless function. It plugs right into your vehicle’s OBD-II port and reconnects your tuner to the data it needs to deliver performance gains, display engine metrics, and access tuning options.

Fits: Universal

Notes:

• Specifically built for Bully Dog GT and WatchDog tuners, ensures full compatibility
• Replaces lost or damaged OBD‑II block to restore proper tuner communication
• Plug‑and‑play installation directly into OBD‑II port, no splicing required
• Universal OBD‑II design fits vehicles equipped with standard port
• Compact, corrosion‑resistant construction for long‑term reliability
• Restores tuner’s ability to access engine diagnostics, performance data, and tuning functions
• Bundled hardware ensures secure, airtight connection without extra parts
• Price around $35–$42 with typical 1‑year limited manufacturer warranty included
• California Prop 65 warning applies, contains chemicals known to cause cancer or reproductive harm
• Also compatible with H&S Mini Maxx and Black Maxx tuners per fit guidelines