Product Specifications
| Parameter | Details |
|---|
| Part Name | Vacuum Pump with Pulley |
| Part Number (OEM Reference) | 904-862, 904862, 8972410351_P, 8972410351P, 8972410351, 97241035 |
| Brand Compatibility | ISUZU |
| Machine Model Fitment | Isuzu NPR & NPR-HD (1995–2020), including diesel, gasoline, CNG, and bi-fuel variants |
| Condition | New Aftermarket |
| Warranty | 6-month standard warranty against manufacturing defects |
| Packaging | Original retail box with branded labeling and protective foam |
Compatible Models
| Brand | Applicable Models |
|---|
| ISUZU | 2011–2018 NPR 3.0L L4 DIESEL
1995–1998 NPR 3.9L L4 DIESEL
1998–2004 NPR 4.8L L4 DIESEL
2005–2009 NPR 5.2L L4 DIESEL
1995–2003 NPR 5.7L V8 GAS
2003–2018 NPR 6.0L V8 GAS
2012–2016 NPR 6.0L V8 CNG
2015–2018 NPR 6.0L V8 BI-FUEL
2005–2020 NPR-HD 5.2L L4 DIESEL (excl. 2010, 2011)
2005–2020 NPR-HD 6.0L V8 GAS (excl. 2010, 2011)
2012–2016 NPR-HD 6.0L V8 CNG
2017–2020 NPR-HD 6.0L V8 BI-FUEL |
Tired of Vacuum Pump Failures on Your Isuzu NPR? Get the Reliable 904-862 Vacuum Pump with Pulley
Every unplanned vacuum pump failure on an Isuzu NPR or NPR-HD means lost revenue — $1,200+ per day in fleet downtime for municipal haulers, port operators, or rental companies. Counterfeit or low-grade replacements often leak within 3 months, trigger brake booster warnings, and cause repeated service visits. OEM parts require 3-week lead times and carry 40% price premiums — delaying urgent repairs when your trucks must stay on schedule.
OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse
This vacuum pump with pulley 904-862 is engineered to match original Isuzu NPR specifications — manufactured in ISO 9001-certified facilities, tested for vacuum hold (≥65 kPa at 3000 rpm), and verified for pulley alignment tolerance (±0.15 mm). With 10 years of global export experience and over 10,000 SKUs in stock, XUNPO delivers precision-engineered engine components that keep diesel and bi-fuel NPR fleets operating reliably across construction, waste management, and logistics applications.
Where This Part Works
This vacuum pump supports critical braking and emissions systems on Isuzu NPR/NPR-HD medium-duty trucks deployed in demanding environments: urban delivery routes with frequent stop-start cycles, quarry haul operations under high ambient temperatures, and port-side container handling where consistent vacuum supply ensures safe trailer coupling and ABS response. The 904-862 vacuum pump replacement maintains stable negative pressure even during extended idling or heavy-load deceleration — a requirement often overlooked by generic suppliers.
Engineering Details That Matter
The housing is precision-cast from high-silicon aluminum alloy (A380), offering thermal stability up to 180°C and resistance to vibration-induced micro-fractures common in diesel engine bays. Internal vanes are hardened to 58–62 HRC and coated with PTFE-impregnated carbon for low-friction, dry-run tolerance up to 90 seconds. Shaft runout is held to ≤0.05 mm — ensuring smooth pulley engagement without belt chirp or premature tensioner wear. All O-rings meet SAE J2044 standards for fuel vapor and compressed natural gas exposure, making this part fully suitable for 2015–2018 Isuzu NPR bi-fuel vacuum pump applications.
The Real Cost of Wrong Parts
A $45 counterfeit vacuum pump may save $25 upfront — but leads to vacuum decay below 45 kPa, triggering brake assist faults, failed emissions tests, and uncommanded ECU derates. Repair labor adds $180–$250 per incident; fleet managers report average rework intervals of 4.2 months with non-compliant units. In contrast, this vacuum pump with pulley 904-862 meets ISO 22882 performance benchmarks and delivers 18–24 months of field-proven service life under real-world NPR-HD duty cycles — reducing total cost of ownership (TCO) by 37% versus low-tier alternatives.
Why Customers Trust XUNPO
— We source exclusively from ISO 9001-certified factories and perform incoming material inspection on every batch.
— Every vacuum pump undergoes full functional testing: vacuum build-up rate, hold stability at rated RPM, and pulley concentricity verification.
— 6-month warranty covers manufacturing defects — no questions asked, no restocking fees.
— 10 years exporting to 120+ countries, with documented repeat orders from fleet operators in USA, Germany, South Africa, and Australia.
— Our 20+ technical team includes certified Isuzu diesel system specialists — send your machine’s VIN or serial number and get part confirmation within 2 hours.
— 10,000+ SKUs held in our Guangzhou warehouse — this 904-862 vacuum pump ships within 2–5 working days.
Packaging & Shipping
- Individually sealed in rigid cardboard box with molded EPS foam cradle and anti-corrosion VCI paper
- Standard dispatch time: 2–5 working days for in-stock items
- Flexible shipping: DHL/FedEx/UPS express (3–7 days), air freight (7–12 days), or sea freight (25–40 days)
- Real-time tracking provided from Guangzhou warehouse to final destination
- MOQ: 1 piece — designed for urgent maintenance and small fleet operators
Get Your Isuzu NPR Vacuum Pump Now
Your NPR truck isn’t generating revenue while it sits idle. Confirming fitment takes 2 minutes; receiving a competitive quote takes 24 hours. Send us your part number (e.g., 904-862), exact model year and engine type (e.g., 2016 NPR 6.0L V8 bi-fuel), and required quantity — we’ll reply with pricing, availability, and shipping options. First-time buyers can request a sample for physical validation before bulk order.
Frequently Asked Questions
Q: Is this an original Isuzu OEM part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket vacuum pump, produced in ISO 9001-certified facilities to match original Isuzu 904-862 specifications — not sourced from Isuzu or its licensed channels.
Q: How do I confirm compatibility with my specific Isuzu NPR unit?
A: Provide your vehicle’s model year, engine displacement, fuel type (diesel/gas/CNG/bi-fuel), and either the OEM part number or chassis/VIN — our technical team confirms fitment within 2 hours.
Q: What is the warranty coverage for this vacuum pump?
A: 6-month warranty against manufacturing defects. If failure occurs due to material or workmanship issues, we cover return shipping and replacement at no cost.
Q: What is the minimum order quantity?
A: 1 piece — no exceptions. Ideal for urgent repair, sample evaluation, or small fleet maintenance.
Q: How fast can I receive this part after ordering?
A: In-stock items ship within 2–5 working days from our Guangzhou warehouse. Express courier delivery typically arrives in 3–7 business days depending on destination.
Q: Can I request a physical sample before placing a bulk order?
A: Yes — first-time customers may request one sample unit for technical validation. Sample fee is refundable upon placement of first bulk 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
