High-Performance HX40W Turbocharger for ISC Trucks, Construction & Marine Fleet
| Turbo Model | HX40W Turbo |
|---|---|
| Part Number | 4089930, 2842810, 4033649 |
| OE Number | 2881887, 4039915, 4039916, 4039917, 4046099, 4089930NX, 4089930RX |
| Application | For Truck ISC 8.3L Engine |
| Engine Model | ISC 8.3L Engine |
| Brand | Carrier |
| Quality | 100% Tested High-Quality ISO 9001 & IATF 16949 certified |
| Type | K18 |
| Material | Alloy |
| Fuel | Diesel Engine |

Highway & Vocational Trucks: Kenworth / Peterbilt: Various medium-duty freight and vocational models.
Freightliner: Business Class M2, FL70, FL80 series.
International: WorkStar and specialized chassis.
Motorhomes & RVs: High-end Class A diesel pushers (Spartan and Freightliner chassis).
Construction & Industrial Equipment: Excavators: Various Tier 2/Tier 3 8.3L powered earthmovers.
Pumping Units: High-volume water and industrial fluid pumps.
Agriculture: New Holland tractors/harvesters using the 8.3L block.
Marine: 6CTA / ISC marine auxiliary power units and small propulsion variants (Verify cooling type).
Q1: Is the HX40W (4089930) compatible with the ISL 8.9L engine?
Generally, no. While the ISC and ISL are part of the same engine family, the ISL usually utilizes a larger turbocharger or a VGT (Variable Geometry) setup to handle the higher displacement and horsepower. Always verify the specific 7-digit part number on your turbo’s data plate before ordering for an ISL.
Q2: What do the NX and RX suffixes on the part numbers mean?
These are specific inventory codes. "NX" refers to a New Exchange unit, while "RX" denotes a Remanufactured Exchange unit. Our turbo is a brand-new aftermarket replacement that matches the performance and fitment specs of both the NX and RX versions, providing a zero-hour service life.
Q3: Does this turbocharger come with a pre-installed wastegate?
Yes, every HX40W we ship includes a pre-installed pneumatic wastegate actuator. It is factory-calibrated to the standard ISC engine boost settings, so you can install the unit immediately without needing manual adjustments or bench testing for boost pressure.
Q4: Why is it recommended to replace the oil feed line with this ISC turbo?
The ISC is a long-lived engine, but over time, the oil feed line can accumulate carbon deposits ("coking"). If you install a new turbo with a partially restricted line, the bearings will be starved of oil at high RPMs, leading to failure within a few hundred miles. Installing a new feed line is the best insurance for your investment.
Q5: Do you provide worldwide shipping?What is the delivery timeframe?
We ship globally via premium carriers like DHL,FedEx,and UPS,as well as sea freight for bulk orders.In-stock items are typically dispatched within 24-48 hours. Express delivery to North America and Europe usually takes 5-7 business days.
Fengcheng Zhongke Turbocharger Co., Ltd. is a leading high-tech factory specializing in the R&D, production, and global distribution of high-performance turbochargers. Based in Fengcheng—one of the world’s most renowned turbocharger manufacturing hubs—we have grown from a local workshop into a global supplier, serving heavy-duty, commercial, and passenger vehicle markets worldwide.

At Zhongke, we don't just "make" parts.we engineer reliability.

Manufacturing Prowess:Our facility is equipped with state-of-the-art production lines, including precision 5-Axis CNC machining centers, high-speed VSR (Vibration Sorting Rig) balancing machines, and advanced material testing labs.
Our Specialization:We maintain a vast inventory of over 3,500+ turbocharger models, with a focus on heavy-duty and construction machinery engines. Focused on optimizing fuel efficiency and restoring factory horsepower, our passenger car turbos are engineered with the same precision and K18 heat-resistant materials as our industrial line, ensuring reliable performance for daily commuting and high-speed driving alike.
Global Partnership & Support: Zhongke Turbo is more than just a manufacturer; we are your long-term technical partner. With nearly 30 years of export experience, we understand the logistics and technical requirements of the international market. We provide a warranty and dedicated technical support to help our partners succeed.
Experience the difference of nearly 30 years of factory expertise. Contact us today for wholesale inquiries or technical consultations.