S300A113 Turbocharger 631GC5172M5 | Fast Dispatch for Mack CV713
S300A113 Turbocharger 631GC5172M5 β replacement for Mack CV713 with AI427 or E7...
Turbocharger HX35W 4038597 β replacement for Cummins QSB6.7 Tier-3 engines, new aftermarket condition with ISO 9001 manufacturing standards.
Stock availability confirmed before order, with delivery window quoted at time of purchase.
Ready to Ship β Guangzhou warehouse holds this HX35W turbocharger on the shelf, not on a supplier's promise, cutting the gap between order and dispatch.
| Parameter | Value |
|---|---|
| Part Number | 4038597 |
| Cross-Reference | 4955156, 4042667, 4038597R, 4038597RX, 4038209, 4044890, 4033681, 4044890H, 4629082, 495515600, 4955156NX, 4955156RX, 5452082, 5452082NX, 5452082RX, 3802879, 3802878 (reference only) |
| Product Type | Turbocharger |
| Turbo Model | HX35W-A77J70GM/A70Q86FE14PB-W, HX35W |
| Machine Fitment | Truck, Industrial with QSB Tier-3 Engine (2004-), Grader with QSB Tier-3 Engine (2004-) |
| Condition | New Aftermarket |
| Warranty | 3-12 months against manufacturing defects |
| Minimum Order | 1 piece |
| Failure Symptom | Replacement Urgency |
|---|---|
| Noticeable power loss under load on QSB6.7 engines | Immediate β machine cannot sustain rated output |
| Excessive blue or black exhaust smoke at idle or acceleration | High β indicates seal or wheel failure progressing |
| Whining or grinding noise from turbo housing during spool-up | Critical β bearing failure may send debris into intake |
| Oil leak at turbo center housing or compressor side | High β oil starvation accelerates shaft wear |
| Lag in throttle response on wheel loaders and graders | Moderate β affects cycle times and fuel burn |
The turbocharger sits on our Guangzhou shelf today, not six weeks out on a factory schedule.
A QSB6.7 engine sitting silent on a grading site or an industrial yard is not a future problem β it is a cost accumulating by the hour. I have watched operators lose productive days simply because a supplier needed to confirm a part number across three time zones. When you send us a photo of a worn nameplate or a blurry tag, the identification work happens on our end before you wake up the next morning [NEED_CITE: typical equipment downtime cost per hour for mid-range excavators and graders]. That is the difference between a machine that moves Monday and one that waits until the following week.
We hold this HX35W turbocharger as a stocked item in Guangzhou, which means the Turbocharger in stock you see listed is physically present, not allocated from a distributor upstream. Once you confirm the part number β whether by cross-reference, machine model, or a photograph of the old unit β the unit is pulled, inspected, and packed. This is what turns a multi-week parts search into a dispatch within working days.
The delivery window depends entirely on the freight method you choose. Express courier can place the turbocharger at a workshop door in a handful of days for emergency jobs; air freight covers regional sites within a short transit window; sea freight serves planned restocking at lower cost. We quote the arrival estimate at the time of order, so you know the machine restart date before you commit [NEED_CITE: air freight versus express courier transit windows for construction parts to Southeast Asia and Middle East]. Time zones do not slow the response β our team answers outside standard business hours because breakdowns do not wait for Monday.
The HX35W model designation tells a technician exactly what sits inside the housing. The "35" series refers to a compressor wheel size range suited to the airflow demands of the QSB6.7 Tier-3 displacement, while the "W" indicates a wastegated design that controls boost pressure through a mechanical valve rather than relying on variable geometry. The specific suffix β A77J70GM/A70Q86FE14PB-W β defines the compressor trim, turbine wheel profile, and wastegate spring calibration. Getting this suffix right matters: two turbochargers can share the HX35W base name yet deliver meaningfully different boost curves, which means the engine either runs correctly or runs hot and derated.
Sending the wrong variant to a site does not just waste a shipment β it extends the breakdown. A turbo with incorrect wastegate calibration will either under-boost, leaving the engine starved for air and producing smoke, or over-boost, pushing exhaust temperatures beyond safe limits. The machine starts, the operator puts it to work, and within hours the problem resurfaces. That second failure is worse than the first because the crew already lost confidence in the repair [NEED_CITE: consequences of incorrect turbocharger boost calibration on diesel engine piston and valve life]. The cost is not only the replacement part but the repeated teardown, the fresh gaskets, the oil change, and the idle crew standing around the engine bay again.
Our own production lines and qualified sourced supply sit under one account with one warranty, so you are not juggling multiple vendors when a repair needs more than one component. We ship from one piece upward, which means a single emergency turbo goes out without a minimum order blocking the sale. Guangzhou warehouse stock means this HX35W is ready to pull today, not pending a restock. Part identification works from a part number, a machine model, or a nameplate photograph β we verify the cross-reference and confirm before packing. A technical team checks compatibility and variant suffix so the right unit ships the first time.
To get a firm stock confirmation and arrival estimate, send the part number from your old turbo, a clear photograph of the engine nameplate, or simply the machine model and serial number. A single image of a worn tag is often enough for us to lock down the correct HX35W variant and quote dispatch timing before you finish your shift.
Q: Is this turbocharger in stock and when can it ship? A: Yes, this HX35W turbocharger is held as a stocked item in our Guangzhou warehouse. Once the part number or machine model is confirmed, the unit is pulled and packed for dispatch. Shipping goes out within a short window of working days, and we quote the estimated arrival date based on your chosen freight method at the time of order.
Q: Can I order just one unit for an emergency repair? A: The minimum order for this turbocharger is one piece. We do not require bulk quantities or pallet orders to process a sale. This single-unit policy exists specifically for emergency breakdowns where a workshop or site needs exactly one replacement to get a machine running again without delay.
Q: How long does delivery take to my location? A: Delivery timing depends on the freight option you select. Express courier reaches most international destinations within days, air freight covers regional sites within a short transit window, and sea freight serves planned orders over a longer schedule. We provide a specific arrival estimate when we quote, so you know the expected delivery date before placing the order.
Q: My nameplate is unreadable β can you identify the right turbo from a photo? A: Yes. Send a photograph of the engine nameplate, the machine data plate, or even the old turbocharger itself. We cross-check the image against known variant differences within the HX35W range, verify the correct suffix, and confirm fitment before packing. This identification step is included at no extra charge and prevents the wrong unit from shipping.
Q: What happens if the part arrives and doesn't fit? A: If a fitment issue arises despite our verification, contact us immediately with photos of the received unit and the mounting area. We review the cross-reference, arrange the correct replacement, and handle the return under our warranty terms. Pre-shipment identification from your machine details is our primary defense against this situation.
Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.
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