1-87814618-0 REPAIR KIT; WATER PUMP ISUZU

Critical Oil Supply for Turbocharger Lubrication

The oil feed pipe is the dedicated high-pressure conduit that delivers clean, pressurized engine oil from the cylinder block gallery directly to the turbocharger bearing housing . This continuous oil supply creates a hydrodynamic bearing film to support the turbine shaft rotating at speeds exceeding 100,000 RPM and carries away intense exhaust heat. Isuzu Genuine Oil Feed Pipes are manufactured to exact OEM length, internal diameter, and bend specifications, ensuring the precise oil flow and pressure required for turbocharger reliability . Aftermarket pipes that deviate in critical dimensions can cause flow restriction, oil starvation, and rapid turbocharger failure .

Seamless Steel Construction for Extreme Conditions

Operating under extreme thermal stress and continuous engine vibration, the oil feed pipe must resist fatigue cracking and deformation. Isuzu Genuine Oil Feed Pipes feature seamless high-strength steel construction with precision-formed banjo-type fittings and corrosion-resistant surface treatment that prevents cracking and leakage under high-frequency vibration . This durable design withstands high-pressure oil delivery without expansion, ensuring constant turbocharger lubrication in heavy-duty applications. The pipe is used across a wide range of Isuzu engine families, including 6HK1 , 4HK1, 4JJ1/4JK1, and 6WG1 , with part numbers such as 1-13314010-0 .