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Gauges and Accessories› Individual Gauges

Bully Dog

Bully Dog Big Rig Heavy Duty GT WatchDog

$549.00 $449.00 Save $100.00

SKU: B00J 46501

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Bully Dog Heavy Duty WatchDog is a multifunctional digital gauge pack designed to help heavy-duty truck drivers improve fuel economy, reduce vehicle wear and tear, improve on-road safety, and increase utility. It features a Driving Coach for fuel economy optimization, parameter recording and analysis, customizable gauges with safety warnings, and the ability to read and erase trouble codes. The device also allows for speed limiter adjustment to ensure regulatory compliance.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandBully Dog
Part NumberB00J 46501

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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