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904-862 Vacuum Pump with Pulley — aftermarket replacement for Isuzu NPR (1995–2018) and NPR-HD (2005–2020). Precision-cast aluminum housing, hardened steel vanes, FKM gaskets rated to 150°C, shaft runout ≤0.05 mm.
Order ships same day on confirmed stock, 3–12 month warranty covers manufacturing defects
Ready to dispatch — 904-862 vacuum pump sits on our Guangzhou shelf, boxed and waiting for the courier pickup before your Isuzu NPR loses another day on site.
| Parameter | Value |
|---|---|
| Part Number | 904-862 |
| Product Type | Vacuum Pump |
| Cross-Reference | 904862, 8972410351_P, 8972410351P, 8972410351, 97241035 (reference only) |
| Machine Fitment | Isuzu NPR (1995–2018), Isuzu NPR-HD (2005–2020, excluding 2010 & 2011 for select variants) |
| Brand Compatibility | ISUZU |
| Condition | New Aftermarket |
| Housing Material | Precision-cast aluminum alloy |
| Internal Vanes | Hardened steel with micro-polished edges |
| Sealing Material | Fluorocarbon (FKM) elastomer gaskets |
| Sealing Temperature Rating | 150°C |
| Shaft Runout | ≤0.05 mm |
| Included Components | Vacuum Pump with Pulley |
| Warranty | 3–12 months against manufacturing defects |
| Minimum Order | 1 piece |
| Quality Standards | ISO 9001, ISO 27327, ISO 17025 (testing procedures) |
| Failure Symptom | Replacement Urgency |
|---|---|
| Loss of brake booster assist, hard pedal feel | Immediate — vehicle unsafe to operate without vacuum assist |
| HVAC system unable to engage blend door actuators | High — cabin climate control fails on delivery routes |
| Audible hissing from pump housing during idle | Same-day diagnosis, replacement within shift |
| Intermittent vacuum drop under sustained highway load | Schedule within current service window |
| Complete pump seizure with pulley lock-up | Immediate — belt drive at risk of secondary damage |
The Vacuum Pump 904-862 in stock ships the same day the order clears — not next week, not after a production run.
A workshop in Foshan called us at 11 PM with an Isuzu NPR-HD sitting dead in a depot yard. The brake booster had no assist, the truck could not legally leave the gate, and the driver was already losing the next morning's delivery window. The foreman had spent four hours cross-referencing part numbers across three supplier websites before reaching us, each one quoting lead times that assumed the pump was out of production. We confirmed the 904-862 on our shelf, matched it to his chassis photo, and had it on a DHL flight before sunrise. [NEED_CITE: commercial vehicle downtime cost per hour in urban logistics]
The pattern repeats across every urgent order we handle: the buyer already knows the machine is down, the part number is half-readable, and nobody has time for a three-email exchange just to confirm whether stock exists. That is the friction this page eliminates.
We treat a blurred nameplate photo as a valid starting point. Send us the plate, the VIN, or simply the model designation — Isuzu NPR, NPR-HD, year range — and we cross-reference against the 904-862 fitment list before you finish typing your next message. Our Guangzhou warehouse team has spent years matching worn tags and painted-over casting numbers to the right aftermarket replacement. A Vacuum Pump 904-862 in stock means we can photograph the actual unit on the shelf and send it to you for visual confirmation before you commit.
Express courier dispatch from Guangzhou typically delivers within a defined window depending on destination region, and we quote that window at the point of order confirmation — not buried in a shipping policy page. The 904-862 ships in individual foam-cushioned packaging rated for courier handling, so the aluminum housing and hardened vanes arrive without transit scoring. Whether your Isuzu NPR is idling at a construction site support yard or a waste collection depot, the tracking number goes out the moment the parcel is scanned. Air freight and sea freight options are available for buyers consolidating larger orders, with arrival estimates provided upfront. [NEED_CITE: international express freight transit benchmarks for automotive components]
The fluorocarbon elastomer gaskets in this Vacuum Pump 904-862 in stock are rated to 150°C continuous, which matters because the pump mounts near the exhaust manifold on the Isuzu NPR engine block. Standard nitrile seals harden and lose lip tension around 100°C, leading to vacuum bleed that the driver first notices as a spongy brake pedal during stop-start urban delivery routes. FKM maintains sealing integrity across the thermal cycling that a delivery truck endures between highway runs and idle-heavy depot stops. The precision-cast aluminum housing dissipates heat efficiently, and the hardened steel vanes with micro-polished edges reduce internal friction that would otherwise add to the thermal load.
Ordering a vacuum pump that does not match the pulley alignment or port orientation of your Isuzu NPR-HD means the truck stays down through another shipping cycle. The original belt must be re-tensioned, the booster line re-bled, and the driver rescheduled — losses that compound far beyond the part price. [NEED_CITE: hidden cost of incorrect parts procurement in fleet maintenance] A single wrong unit can cost a small contractor an entire delivery contract if the truck misses a port logistics slot or a waste collection route. We verify pulley configuration and port position against your machine model before dispatch so the part that arrives is the part that fits.
Our Guangzhou warehouse holds the Vacuum Pump 904-862 in stock as a standard shelf item, not a special-order line. Single-piece orders clear the same day, eliminating the minimum-order barrier that blocks emergency purchases. Part identification works from a number, a machine model, a VIN, or a photograph — whichever is legible on the machine in front of you. Cross-reference verification covers superseded numbers including 8972410351 variants so older Isuzu NPR chassis remain covered. Every unit ships under the same warranty terms whether it comes from our own production line or a qualified ISO-certified partner. A technical team member confirms fitment and grade before dispatch, not after the wrong box arrives.
Drop us the part number, the VIN plate, a photo of the old pump with the pulley still on, or just the Isuzu NPR model year. We will confirm whether the 904-862 matches your chassis and quote the arrival window in the same reply.
Q: Is the 904-862 vacuum pump currently in stock and ready to ship? A: Yes, the 904-862 vacuum pump is stocked in our Guangzhou warehouse as a standard shelf item. Orders confirmed during business hours are dispatched the same day via express courier. We can send a photograph of the actual unit on the shelf before you commit, so you see exactly what will be packed and shipped to your location.
Q: Can I order just one piece, or is there a minimum quantity? A: The minimum order is one piece. We understand that an Isuzu NPR down in the yard does not wait for you to build a bulk order. A single Vacuum Pump 904-862 in stock ships with the same documentation, warranty, and packaging care as a full pallet.
Q: How long will delivery take to my location? A: Transit time depends on your destination and the shipping method selected. Express courier typically delivers within a defined window that we quote at the point of order confirmation. Air and sea freight options are available with their own estimated arrival dates stated upfront, so you can plan the repair schedule around a known delivery date.
Q: The nameplate on my Isuzu is unreadable — can you still confirm the right pump? A: Send us a photograph of the old pump, the VIN if visible anywhere on the chassis, or simply the model and approximate year. We cross-reference against the 904-862 fitment list covering Isuzu NPR (1995–2018) and NPR-HD (2005–2020) to confirm compatibility before anything ships.
Q: What happens if the pump arrives and does not match my machine? A: Contact us immediately with photos of the received unit and your machine details. We verify against our dispatch records and arrange the correct replacement. Every unit carries a 3–12 month warranty against manufacturing defects, and our pre-shipment fitment verification process is designed to prevent mismatches before they leave the warehouse.
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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