Bully Dog 2017-21 CUMMINS X15 LP Turbo + Actuator OEM: 5459710

Bully Dog’s all-new turbos with actuators for Cummins X15 engines are direct OEM replacements that improve performance and reliability. Bully Dog turbos come with a Billet compressor wheel and beautiful polished aluminum compressor housings.

Experience unparalleled performance with Bully Dog Big Rig turbos, engineered to elevate your heavy-duty truck’s capabilities. These all-new, pre-calibrated turbos are designed as direct bolt-on OEM replacements, ensuring a hassle-free installation process. Featuring a precision-crafted billet compressor wheel, these turbos deliver quicker spool-up and reduced lag compared to stock units, resulting in improved responsiveness and efficiency. You’ll notice a significant boost in horsepower and fuel economy, making your rig more powerful and cost-effective on long hauls. Each turbo comes complete with an actuator and requires no core charge, simplifying the upgrade process. With Bully Dog Big Rig turbos, you’re investing in a road-ready solution that combines cutting-edge technology with reliable performance, designed to keep your truck running at its peak.

Vehicle & Engine Compatibility

This turbocharger is a standard fit for Class 8 heavy-duty trucks manufactured between 2017 and 2021. Common vehicle models that utilize this specific X15 engine configuration include:

• Freightliner: Cascadia (Next Gen), 122SD, 114SD.

   

• Kenworth: T680, T880, W900, W990.

   

• Peterbilt: 579, 567, 389, 367.

   

• International: LT Series, HX Series, LoneStar.

   

• Volvo: VNL 300, 400, 740, 760, 860; VNX series.

   

• Western Star: 4700, 4900, 49X, 57X.

   

Technical Specifications

• Turbo Model: Holset HE400VG

   

• Engine Series: Cummins X15 (Efficiency Series), ISX15 (CM2350/CM2450)

   

• Displacement: 15.0L Diesel

   

• Horsepower Range: Primarily 400–500 HP

   

• Emission Standard: EPA 2017 / EPA 2021

Critical Cross-Reference Part Numbers

If you are looking at your existing turbo, it may be stamped with any of the following interchangeable part numbers:

• 5358454

   

• 5358001 (or 5358001RX)

   

• 5458936 (or 5458936HX)

   

• 5351486

   

• 5454978