HE551 Turbocharger for Cummins QSB Engines
Fit & Compatibility: Precision-built for Cummins QSB engines,
matching part numbers: 4044133, 4043228, 404322800, 3887606—ensures seamless fit for QSB-powered equipment, no modifications
required.
Who It’s For: Industrial equipment operators, fleet managers, and diesel
mechanics maintaining QSB-engine machinery (e.g., construction
excavators, agricultural tractors, industrial pumps) needing
reliable turbo replacements.
Problems It Solves: Fixes QSB engine issues like reduced power,
turbo lag, excessive fuel consumption, and uneven performance from
worn turbos. Restores factory efficiency, cuts downtime, and
prevents costly engine damage.
Key Features: Industrial-grade durability, OEM-matching airflow,
heat-resistant components for heavy-duty use.
FAQ
Will it fit a 2015 Cummins QSB tractor? Yes—works for all QSB-engine equipment.
Installation tools needed? Standard diesel mechanic tools;
professional experience recommended.
Warranty? 24-month manufacturer coverage against defects.
How to Use
Confirm your engine is a Cummins QSB; cross-check old turbo part
number.
Disconnect hoses/electrics, remove old turbo, install the HE551.
Reattach components, test for leaks, and verify power output.
About Us
With 20+ years in Cummins aftermarket parts, our team specializes
in QSB-compatible turbos. Every HE551 undergoes pressure and
performance testing. Our support team (Mon-Fri, 7am-7pm CST) helps
with fitment—contact via chat/email!
| Turbo Model | HE551 |
| Part Number | 4044133 4043228 404322800 4043228H |
| OE Number | 3887606 |
| Application | Cummins Comp Air, Truck |
| Engine Model | QSB |
| Brand | Carrier |
| Quality | 100%Tested High-Quality |
| Type | K18 |
| Material | Alloy |
| Fuel | Diesel |
