1131002770 / 1-13100277-0 Engine Oil Pump for Isuzu 6BG1 6BG1T

1131002770 / 1-13100277-0 Engine Oil Pump for Isuzu 6BG1 6BG1T

This 1131002770 / 1-13100277-0 engine oil pump is supplied for selected Isuzu 6BG1 and 6BG1T 6-cylinder diesel engine lubrication system applications. Public product references list this oil pump for Hitachi machine references including EX200-3C, EX200-5, EX210H-5 and HC1110.

Some supplier listings may also mention 6BD1 or DB58 applications, but these should be verified by the original oil pump number, engine model, drive gear, shaft, mounting face and oil port position before ordering. Do not confirm fitment by engine family name alone.

Application and Fitment Reference

Primary Part Number: 1131002770 / 1-13100277-0

Product Type: Engine Oil Pump / Lubrication Pump

Engine Reference: Isuzu 6BG1 / 6BG1T 6-cylinder diesel engine

Machine Reference: Hitachi EX200-3C, EX200-5, EX210H-5, HC1110 and selected related applications

Possible Supplier References: 6BD1 / DB58, subject to verification by original pump and engine configuration

Supply Type: Genuine, OEM, or replacement supply may be available depending on current stock.

Common Symptoms That May Require Oil Pump Inspection

Low oil pressure: warning light or gauge shows insufficient engine oil pressure.

Delayed oil pressure build-up: oil pressure rises slowly after cold start.

Abnormal engine noise: knocking, bearing noise or metal friction sound during operation.

Overheating: poor lubrication may increase internal friction and engine temperature.

Metal particles in oil: possible internal wear caused by lubrication failure.

Fitment Check Before Ordering

Before ordering this 1131002770 Isuzu oil pump, please compare it with your original unit. Important confirmation points include the pump part number, drive gear, shaft length, mounting face, oil inlet and outlet position, and engine model.

For faster confirmation, please send photos of the old oil pump, gear side, shaft, mounting face, oil port area and any visible part number. This helps reduce wrong orders and confirms whether 1131002770 / 1-13100277-0 matches your engine.

Installation and Maintenance Notes

Inspect the timing gear train and oil pump drive gear before installation.

Clean the oil pickup tube and check that the pickup screen is not blocked.

Replace engine oil and oil filter after oil pump failure or internal wear.

Do not install a pump with mismatched gear, shaft or mounting face.

After installation, confirm oil pressure during first start-up before heavy-load operation.

Ordering Information

Topvelsun supplies engine oil pumps and lubrication system parts for Isuzu, Hitachi, Komatsu, Caterpillar, Cummins and other heavy equipment engines. Please provide the engine model, machine model, original part number and oil pump photos before quotation.