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Ignitions and Electrical› Computers, Chips, Modules and Programmers

Bully Dog

Bully Dog 95-10 Caterpillar C11/C12/C13/C15/C16 ECM Tuner

$949.00 $849.00 Save $100.00

SKU: B00J 46521

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 46521

~(1.4 lbs. 13X10X4)~ catapillar big rig ecm tuner

MIA's Description

The Bully Dog 46521 is an ECM Tuner designed for 1995-2010 Caterpillar C11, C12, C13, C15, and C16 Big Rig engines. It offers preloaded, dyno-proven tunes for economy, power, and a combination of both, with claimed gains of 75-100 hp and up to 12% fuel savings. The tuner also allows for setting speed limits and reading/clearing diagnostic trouble codes. It is emissions compliant and does not support emissions deletes.

Fitment

Fitment Guaranteed

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

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Specifications

BrandBully Dog
Part NumberB00J 46521

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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