Part Number & OEM Number: HX55 3590044 ‎536995, 3536996, 3590044, 590045, 4033813, 178923, 2834419, 4039173, 4046031, 4033813H, 3803938, 3590045, 3780171, 3788312, 3800471, 3800471

• HX55 Turbocharger Replacement – Compatible with Cummins ISM ISME M11 B5.9 B5.9-C engines, delivers consistent boost and engine power
• Broad Vehicle Fitment – Works with 1999–2012 Cummins trucks and buses including Delta Alpha Plus models with M11 series engines
• Turbo Model Compatibility – Fits HX55 S400 HX55-E9861L/H22E11D HX55-D98K66RL/C86L90PH22EX configurations
  
• Comes with Vest

Please note in order to process the shipping promptly Buyer must provide a VALID phone number where they can be reached and contacted by the delivery carrier. Failure to do so may result in delayed shipment. Seller is not liable for any expense associated with failure to provide contact information on Buyers behalf. Seller reserves the right to hold the shipment until the contact with Buyer has been established to cleat all shipping details. Buyer is not liable for lost or damaged packages after 14 days of delivery confirmation. Please make sure to provide your full and detailed shipping address information!

Keep your Cummins-powered rig running at full strength with the Turbo HX55 Turbocharger 3590044, a direct-fit replacement designed for Cummins M11-C 370PS Custom, M11, ISM, and ISME engines. Whether you're managing a long-haul fleet or running a busy body shop, this turbocharger delivers the consistent boost pressure and engine performance your operation depends on. With OEM-compatible part numbers including 3590044, 3590045, 4033813, 4039173, 4046031, and several others, finding the right match for your application has never been easier.

This HX55 replacement turbocharger is engineered to meet or exceed original equipment specifications, ensuring your Cummins ISM, ISME, and M11 engine gets the airflow it needs for maximum power output and fuel efficiency. The unit is built with durable, high-grade components designed to withstand the extreme heat and pressure conditions of heavy-duty diesel applications. Precision-balanced internals help reduce vibration and extend service life, making this turbo a smart long-term investment for truck owners and fleet managers alike.

Installation is straightforward for experienced diesel mechanics and professional shops. The turbocharger is designed as a bolt-on replacement, aligning directly with factory mounting points and oil feed connections on compatible Cummins engines. No custom fabrication is required, which means less downtime and faster turnaround for both owner-operators and fleet maintenance crews. The unit arrives ready to install, saving you valuable shop time and getting your truck back on the road where it belongs.

At Kozak Parts, we stock this HX55 turbocharger right here in our Seattle, WA warehouse, so you can count on fast shipping to destinations across the continental United States. Whether you're ordering a single unit or stocking up for your fleet, we make it easy to get the quality aftermarket diesel parts you need without the wait. Order today and experience the Kozak Parts difference.