Engine Oil Feed Pipe 8-97228671-0 8972286710 For ISUZU NPR/NPR-HD/NQR/NRR 4HE1 4.8L & 4HK1 5.2L — OEM Cylinder Block To Vacuum Pump Oil Supply Line
| Features: | Precision-bent Tubing, High-temperature Resistant Textile Cover, Pre-threaded Connections | OEM Part Number: | 8-97228671-0 / 8972286710 |
| Part Name: | Oil Feed Pipe / Cylinder Block To Vacuum Pump Oil Pipe | Application: | Routes Engine Oil From Cylinder Block To Vacuum Pump |
| Material: | Durable Metal With Protective Zinc Coating | Net Weight: | 0.167 Kg (167 G) |
| Engine Compatibility: | ISUZU 4HE1 4.8L, 4HK1 5.2L, 4HF1, 4HG1 | Vehicle Models: | ISUZU NPR, NPR-HD, NRR, NQR |
| Production Years: | 2001–2009 | Condition: | Brand New — 100% Quality Inspected |
| Warranty: | 12 Months | ||
| High Light: | Isuzu engine oil feed pipe,OEM vacuum pump oil supply line,4HE1 4.8L cylinder block pipe |
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The Engine Oil Feed Pipe with OEM numbers 8-97228671-0 (also listed as 8972286710) is a verified OEM-grade direct replacement for ISUZU NPR, NPR-HD, NQR, and NRR series trucks. This specialized oil pipe is a critical component of the engine's lubrication system, responsible for routing pressurized engine oil from the cylinder block to the vacuum pump.
- OEM Specification — Verified by ISUZU OEM part numbers 8-97228671-0 and 8972286710
- Proven Durability — Constructed from durable metal with protective zinc coating and high-temperature resistant textile cover
- Precision Fitment — Features precision-bent tubing with pre-threaded connections and mounting bracket for direct replacement
- Broad Compatibility — Fits ISUZU NPR, NPR-HD, NRR, NQR models (2001-2009) with 4HE1 4.8L and 4HK1 5.2L engines
- OEM Cross-Reference Verified — Replaces 8972286710, 8972286711, and 8972286700
If your oil feed pipe is failing, you may experience one or more of the following symptoms:
- Visible Oil Leakage: Oil spots or puddles forming under the vehicle near the vacuum pump area
- Low Engine Oil Level: Unexplained drop in oil level between service intervals
- Vacuum Pump Failure: Insufficient oil supply can lead to reduced brake assist or complete pump failure
- Burning Oil Smell: Oil dripping onto hot exhaust components, producing a burning odor
- Engine Oil Pressure Warning: Low oil pressure due to significant leak can trigger dashboard warning light
| Brand | Model | Chassis / Series | Engine | Years |
|---|---|---|---|---|
| ISUZU | NPR | N-Series | 4HE1 4.8L, 4HK1 5.2L | 2001-2009 |
| ISUZU | NPR-HD | N-Series | 4HE1 4.8L, 4HK1 5.2L | 2001-2009 |
| ISUZU | NRR | N-Series | 4HE1 4.8L, 4HK1 5.2L | 2001-2009 |
| ISUZU | NQR | N-Series | 4HE1 4.8L, 4HK1 5.2L | 2001-2009 |
Guarantees factory-fit quality and performance — verified by ISUZU OEM part numbers
Provides exceptional corrosion resistance and durability under harsh operating conditions
Withstands extreme under-hood temperatures, preventing premature hose failure
Ensures proper oil flow routing and leak-free installation
Engineered to replace cracked, leaking, or restricted oil piping in the factory location
Ensures proper oil supply to the vacuum pump, maintaining brake assist function
Manufactured under strict quality control standards
Guarantees zero wear, immediate oil flow, and full service life
| QC Item | Verification Method |
|---|---|
| Dimensional Accuracy | Precision inspection to verify tube diameter, length, and fitting specifications match OE blueprint standards |
| Material Composition | Durable metal analysis with zinc coating verification for corrosion resistance |
| Pressure Test | 100% pressure testing to guarantee zero oil leakage under operating conditions |
| Thermal Resistance Test | High-temperature testing to verify textile cover integrity under extreme conditions |
| Durability Cycle Test | 500+ hour thermal cycling and pressure cycling to verify long-term reliability |
| Final Assembly Inspection | 100% visual and dimensional inspection before packaging |
Pre-Installation Checklist:
- Allow the engine to cool completely before starting work
- Position a drain pan to catch oil spillage
- Clean the area around the oil feed pipe to prevent contamination
- Inspect the vacuum pump and connections for damage — replace if necessary
- Verify the pipe's OEM number against your original part before installation
Installation Guidelines (Reference ISUZU workshop manual):
- Safely raise the vehicle and support it on jack stands
- Locate the oil feed pipe connecting the cylinder block to the vacuum pump
- Remove the old pipe fittings and carefully remove the old pipe
- Clean the connection surfaces thoroughly
- CRITICAL: Install the new pipe with NEW sealing washers or O-rings
- Torque the fittings to manufacturer's specified torque settings
- Refill with fresh engine oil if oil was drained
- Start the engine and check for oil leaks around the pipe connections
- Check the oil level after the engine reaches operating temperature
Maintenance Schedule:
- Inspection: Every 50,000 km / 12 months. Check for oil leaks, cracks, or damage to the pipe
- Replacement: Immediately if failure symptoms appear
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