Emission & Exhaust System

HX40W Turbocharger for Cummins QSL/ISL/ISC8.3 – Direct Replacement

<p>Get back to full power fast—no more downtime waiting for OEM turbos or risking counterfeit failures. This <strong>HX40W turbocharger for Cummins QSL/ISL/ISC8.3</strong> delivers OEM-equivalent performance with rigorous pre-shipment boost-pressure and oil-leak testing, so your truck stays online longer.</p> <ul> <li>Direct bolt-on replacement for 2004–2011 Cummins QSL, ISL, and ISC8.3 engines—no machining or adapters needed</li> <li>Covers 19 critical OEM part numbers including 2839811, 4089917, and 4046101R—verified against Cummins’ latest service bulletins</li> <li>Features the authentic HX40W-B85J71GL/C76L84FH18UD-W core assembly—critical for correct compressor map matching on high-EGR ISL applications</li> <li>Ships same-day from our Guangzhou warehouse when ordered before 3 PM CST—no minimums, no delays</li> </ul>

Lead Time

2-5 Days

Warranty

3-12 Months

Min. Order

1 Piece

Ships To

120+ Countries

Cummins QSL ISL ISC8.3 turbocharger replacement Cummins QSL turbocharger Cummins turbo genuine HX40W turbo for truck repair HX40W turbo for Cummins HX40W turbocharger ISC8.3 turbo HX40W ISL engine turbo replacement

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Product Details

Product Specifications

Parameter Details
Part Name HX40W Turbocharger
Part Number (OEM Reference) 2839811, 3772607, 4037513, 4038989, 4042341, 4044082, 4089917, 4046101, 4955195, 4046105, 4046101R, 4039030, 4038989H, 4033241, 4037542, 4044081, 4089915, 4041762, 4041765, 4089915NX, 4089915RX, 408991700, 4089917NX, 4089917RX, 4955152, 4955152NX, 4955152RX, 87351239
Turbo Model HX40W, HX40W-B85J71GL/C76L84FH18UD-W
Brand Compatibility Cummins
Engine Fitment Cummins QSL, ISL, ISC8.3
Condition New Aftermarket
Warranty 6 months standard (extendable to 12 months per order terms)
Packaging Original box with anti-vibration foam and moisture-proof lining

Compatible Models

Brand Applicable Models
Cummins QSL engine (2004–2011), ISL engine (2004–2011), ISC8.3 engine (2004–2011)
Valmet 445 FXL Fellerbuncher (with QSL engine, 2004–2011)

Tired of Turbo Failures on Your Cummins QSL or ISL Engine? Get the Right HX40W Turbocharger — Tested, Ready, Reliable

Every hour your truck sits idle due to turbo failure costs hundreds in lost revenue — especially for regional haulers and fleet operators running tight schedules. OEM replacements take weeks and cost up to 45% more. Counterfeit HX40W turbos fail within 3,000 miles, causing oil leaks, boost loss, and secondary engine damage. And sourcing compatible parts across multiple Cummins engine variants — QSL, ISL, ISC8.3 — is time-consuming and error-prone.

OEM-Equivalent Quality, In Stock & Shipping in 2–5 Working Days

This HX40W turbocharger is engineered to meet original Cummins performance specs, manufactured in ISO 9001-certified facilities and tested for boost pressure, rotational balance, and thermal endurance before shipment. Backed by Guangzhou XUNPO’s 10-year global export experience and 10,000+ SKU warehouse inventory, it delivers immediate availability for urgent repairs on heavy-duty trucks and fellerbunchers — no waiting, no compromise.

Where This Part Works

This HX40W turbo for Cummins is deployed in high-load applications: long-haul freight trucks operating at sustained 1,800–2,200 RPM, forestry fellerbunchers working 12+ hours daily in dusty, humid environments, and municipal refuse haulers subject to frequent stop-start cycles. Under these conditions, consistent turbine response and exhaust gas temperature control are critical — a failure directly impacts fuel efficiency, emissions compliance, and drivetrain longevity.

Engineering Details That Matter

The compressor wheel is precision-machined from aerospace-grade aluminum alloy (A380), ensuring optimal mass-to-inertia ratio for rapid spool-up and reduced lag. The turbine housing uses high-silicon cast iron (HT300) rated for continuous operation up to 850°C exhaust gas temperature — critical for QSL/ISL duty cycles. Dual ceramic ball bearings with high-temperature grease retain full radial load capacity at 150°C ambient, eliminating premature bearing wear seen in low-grade alternatives. Shaft runout is held to ≤0.02 mm TIR, guaranteeing vibration-free operation at 150,000 RPM — matching OEM dimensional and dynamic tolerances exactly.

The Real Cost of Wrong Parts

A $200 counterfeit HX40W may save upfront, but often leads to $2,800 in secondary damage: oil contamination requiring full engine flush, ECU reprogramming after boost sensor fault codes, and 2–3 days of downtime costing $4,500+ in lost freight revenue. Genuine HX40W turbo for Cummins QSL ISL ISC8.3 meets ISO 8573-1 Class 2 air purity standards and SAE J1927 turbo lifecycle testing — reducing total cost of ownership (TCO) by 37% over 2 years versus non-compliant units. Our parts comply with Cummins engineering specifications — not just appearance.

Why Customers Trust XUNPO

— We source exclusively from ISO 9001-certified factories, with incoming material inspection logs retained for every batch.
— Every HX40W turbocharger undergoes pre-shipment performance verification: boost curve validation, leak-down test at 3.5 bar, and 15-minute hot-run simulation.
— Standard 6-month warranty against manufacturing defects; extended to 12 months upon request and order confirmation.
— 10 years exporting to 120+ countries — verified by repeat orders from fleet managers in USA, Germany, South Africa, and Australia.
— 20+ technical specialists trained on Cummins, CAT, and Komatsu powertrain systems — part verification delivered within 2 hours.
— Guangzhou warehouse holds 10,000+ high-turnover parts including HX40W turbochargers — ready for same-day pick/pack.

Packaging & Shipping

  • Individually sealed in rigid cardboard box with molded EPS foam cradle and VCI anti-corrosion paper
  • In-stock items shipped 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 at dispatch, updated until final delivery
  • MOQ: 1 piece — designed for emergency repair and small-fleet maintenance

Get Your HX40W Turbocharger Now

Your QSL or ISL engine shouldn’t wait. Send us your engine serial number, current turbo part number, and required quantity — we’ll issue a formal quotation within 24 hours. First-time buyers can request a sample for physical verification before bulk order. Every day delayed is another day your truck isn’t generating revenue.

Frequently Asked Questions

Q: Is this an original Cummins part or an aftermarket replacement?

A: This is an OEM-equivalent aftermarket HX40W turbocharger, produced in ISO 9001-certified factories and tested to match Cummins QSL/ISL/ISC8.3 performance specifications — not a recycled or counterfeit unit.

Q: How do I confirm compatibility with my specific Cummins engine?

A: Provide your engine model (e.g., ISL8.9-C320), serial number, and current turbo part number — our technical team will verify fitment and reply within 2 hours.

Q: What is the warranty coverage?

A: 6 months standard warranty against manufacturing defects; extendable to 12 months based on order volume and terms — full replacement or refund if verified.

Q: What is the minimum order quantity?

A: 1 piece — no minimum. Ideal for urgent repairs, testing, or small fleets.

Q: How fast can you ship?

A: In-stock HX40W turbochargers ship within 2–5 working days. Express options available — DHL/FedEx delivery to most regions in 3–7 days.

Q: Can I receive a sample before placing a bulk order?

A: Yes — first-time customers may request one sample for physical and functional testing. Sample fee is fully credited toward your first production order.

Ready to order or need a quote?
Send your part number, machine model, and quantity — we’ll respond within 24 hours.
WhatsApp: +86 13316055942 | Email: talos@xunpojx.com

Compatible Brands

CAT KOMATSU HITACHI VOLVO HYUNDAI DOOSAN KOBELCO SANY XCMG

Our parts are engineered to meet or exceed OEM specifications. Please provide your machine model number and serial number when inquiring to confirm exact compatibility.

How to Confirm Compatibility

  1. 1

    Find Your Machine Model

    Locate the model plate on your machine, typically near the cab or engine compartment.

  2. 2

    Note the Part Number

    Check your parts manual or existing part for the OEM part number.

  3. 3

    Contact Our Team

    Our technical team verifies compatibility within 2 hours. Send us the details via the inquiry form or WhatsApp.

Shipping Information

Express Shipping

DHL, FedEx, UPS -- 3-7 business days worldwide

Sea Freight

Cost-effective option for bulk orders -- 15-35 days

Real-Time Tracking

Tracking number provided after shipment. 24/7 support available.

Warranty Policy

3-12
Months Warranty

All parts come with manufacturer warranty. Duration varies by product category.

  • Manufacturing defects covered in full
  • Free replacement or full refund for defective parts
  • Post-delivery technical support included
  • Sample testing available for first-time buyers

ISO Certified Quality

All parts sourced from ISO-certified factories with strict QC processes and material traceability.

Competitive Pricing

Save 30-50% vs OEM prices without compromising quality. Transparent pricing with no hidden fees.

Fast 2-5 Day Shipping

Large Guangzhou warehouse with 10,000+ SKUs in stock. Most orders ship within 2-5 business days.

10+ Years Experience

20+ professionals with deep technical knowledge serving 1,000+ clients across 120+ countries.

24/7 Technical Support

Dedicated support team available around the clock. Part verification within 2 hours of inquiry.

Global Reach

Flexible shipping solutions including express and sea freight to 120+ countries with real-time tracking.

Need a Custom Quote?

Our technical team responds within 24 hours. MOQ 1 piece. Ships to 120+ countries from our Guangzhou warehouse.