Turbo HX55 Turbocharger 3590044 3803938 3536995 3536996 for Cummins Engine M11 ISM ISME B5.9

Product Specifications

Compatible Models

Tired of Turbo Failures on Your Cummins ISM or M11 Engine? Get the HX55 Turbocharger 3590044 That Delivers OEM-Equivalent Performance

Every hour your truck or bus sits idle due to turbo failure costs hundreds — even thousands — in lost revenue and delivery penalties. Counterfeit or low-grade HX55 turbos fail prematurely under sustained load, causing oil leaks, boost loss, and catastrophic engine damage. OEM replacements take 2–4 weeks and cost up to 45% more — delaying critical fleet maintenance when uptime matters most.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This HX55 turbocharger for Cummins ISM engine is manufactured in ISO 9001-certified facilities and undergoes full performance testing before shipment — including boost pressure verification, bearing rotation smoothness, and turbine wheel balance checks. With 10 years of global export experience and 10,000+ SKUs in stock, we supply exact-fit replacement turbos for heavy-duty on-highway applications — no compromise on reliability or lead time.

Where This Part Works

This HX55 turbo 3590044 operates reliably in high-stress environments: long-haul freight trucks, transit buses, municipal dump trucks, and regional haulers running Cummins ISM or M11 engines. It withstands continuous exhaust gas temperatures up to 750°C and delivers stable boost pressure across 1,200–2,200 RPM engine speeds — essential for maintaining torque response during hill climbs and stop-start urban cycles.

Engineering Details That Matter

The turbine housing is precision-cast from Ni-Resist ductile iron for thermal crack resistance at repeated heat cycling. The compressor wheel uses aerospace-grade 2618 aluminum alloy, fully balanced to G2.5 tolerance to eliminate vibration-induced bearing wear. Shaft assembly features dual ceramic ball bearings pre-lubricated with synthetic high-temp grease rated to 200°C. All seals are Viton® fluoroelastomer rated for diesel oil compatibility and 15,000-hour service life. Dimensional tolerances match Cummins OEM drawings within ±0.02 mm — ensuring direct bolt-on installation without adapter plates or gasket modifications.

The Real Cost of Wrong Parts

A $200 counterfeit turbo may save upfront, but causes average downtime of 17 hours per failure — costing $2,800+ in labor, towing, and missed deliveries. Poorly balanced shafts accelerate bearing wear, leading to oil coking and eventual engine oil contamination. Non-compliant materials fail ISO 8573-1 Class 2 air purity standards, introducing particulates that erode intake valves. Total cost of ownership (TCO) over 3 years favors certified aftermarket parts like this HX55 turbo for Cummins by 3.2× — verified across 127 fleet operator case studies.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in anti-corrosion packaging with vacuum-formed foam inserts and double-walled export cartons
• In-stock items ship within 2–5 working days after payment confirmation
• Flexible logistics: DHL/FedEx/UPS express (3–7 days), air freight (7–12 days), or sea freight (25–40 days)
• Real-time tracking number provided upon dispatch
• MOQ is 1 piece — designed for urgent field repairs and single-unit validation

Get Your HX55 Turbocharger Now

Your Cummins-powered vehicle shouldn’t wait weeks for a turbo. Send us your engine model (e.g., ISM 450), current part number (e.g., 3590044), and required quantity — we’ll reply with a competitive quote within 24 hours. First-time buyers can request a sample for bench testing. With stock in Guangzhou and proven reliability across North America, Europe, and Southeast Asia, you get fast delivery without compromising engineering integrity.

Frequently Asked Questions