Brand New Steel Reinforced Oil Pipe Direct OEM Replacement for Isuzu NPR 4HE1 Cylinder Block to Vacuum Pump

This oil pipe transfers engine oil from the cylinder block to the vacuum pump, ensuring proper lubrication for vacuum-assisted brake boosters on Isuzu 4HE1 diesel engines.

• OE Quality: Manufactured to Isuzu dimensional and material specifications for perfect fit and reliable oil delivery
• Precision Fittings: Ensures leak-free connection to cylinder block and vacuum pump
• High Pressure Resistance: Withstands engine oil pressure without cracking
• Restores Brake Assist: Ensures proper vacuum pump operation for power brakes
• Direct Replacement: Simple bolt-on installation - matches OE routing
• Cost-Effective: Affordable alternative to genuine OEM pipes

This oil pipe is specifically designed for Isuzu NPR and NKR trucks with 4HE1 engine.

• ISUZU NPR (NPR59, NPR66, NPR70, etc.)
• ISUZU NKR (NKR55, NKR57, NKR59, etc.)

• 4-Cylinder, Inline Diesel
• Displacement: 4.8L (4770cc) or 5.2L (5193cc) depending on variant

Installation steps (overview):

1. Disconnect battery negative cable
2. Locate the oil pipe between the cylinder block and vacuum pump
3. Remove the old pipe fittings (place a drain pan to catch oil)
4. Clean the mounting ports on the cylinder block and vacuum pump
5. Install new sealing washers or O-rings
6. Position the new pipe and hand-tighten fittings
7. Torque fittings to manufacturer specification (do not overtighten)
8. Start engine and check for oil leaks
9. Verify vacuum pump operation (brake pedal feel after starting)

• Material Verification: Pipe material and fitting composition tested
• Dimensional Inspection: Length, bends, and fitting threads verified
• Pressure Test: Sample pipes tested for oil pressure integrity
• Leak Test: Fittings checked for sealing
• Visual Inspection: 100% checked for defects
• Packaged Safely: Wrapped in plastic, boxed with foam

• Neutral export packing or customized packaging available
• Carton or wooden case for safe transportation
• Fast delivery for stock items
• Shipping by Express Air or Sea