Internal Gear Oil Pump with Integrated Pressure Relief Valve and High-Grade Cast Aluminum Housing for Isuzu 6RB1 6BB1 Hitachi EX450 EX400-5 Engine
Internal Gear Oil Pump with Integrated Pressure Relief Valve and High-Grade Cast Aluminum Housing for Isuzu 6RB1 6BB1 Hitachi EX450 EX400-5 Engine
Key Attributes
Brand Name:YIMI
Model Number:Hitachi EX450, Hitachi EX400-5, Hitachi EX400, Hitachi EX400-3
Place of Origin:China
Minimum Order Quantity:10 pcs
Price:Negotiable
Supply Ability:10000 pcs/month
Delivery Time:5-8 Work Days
Payment Terms:T/T,
Standard Packaging:Neutral Package or as customers’ request
Product Summary
Brand new oil pump assembly (1-13100-241-0/1131002410) for Isuzu 6RB1/6BB1 engines in Hitachi EX450/EX400 excavators. Features internal gear design, integrated pressure relief valve, and durable aluminum housing. Direct OEM replacement ensuring consistent oil pressure and engine protection.
Product Details
Highlight:
Internal Gear Oil Pump for Isuzu 6RB1
,High-Grade Cast Aluminum Oil Pump
,Oil Pump with Pressure Relief Valve
Engine Cylinders:
6-Cylinder
Pump Type:
Internal Gear / Rotor-Type Oil Pump
Drive Type:
Crankshaft-Driven
Housing Material:
High-Grade Cast Aluminum / Alloy
Cooling Type:
Engine Coolant Circulation
Material:
High-strength Aluminum Alloy & Precision Bearings
Pressure Relief Valve:
Integrated, Pre-Calibrated
Engine Type:
Water-cooled, Four-cycle, Vertical Diesel Engine
Product Description
Detailed Specifications & Features
Oil Pump 1-13100-241-0 For Isuzu 6RB1 6BB1 Hitachi EX450 EX400-5 Engine 1131002410
Precision-engineered oil pump delivers consistent engine oil pressure to all moving components, ensuring proper lubriion, cooling, and protection for Isuzu 6RB1 and 6BB1 diesel engines in Hitachi excavators.
Product Specifiions
| Part Number | 1-13100-241-0, 1131002410 |
| Product Name | Oil Pump Assembly / Engine Oil Pump |
| Car Model | Hitachi EX450, Hitachi EX400-5, Hitachi EX400, Hitachi EX400-3 |
| Engine Model | Isuzu 6RB1, Isuzu 6BB1 |
| Condition | 100% Brand New |
| Material | High-strength aluminum alloy & precision bearings |
| Origin | China Mainland |
| Warranty | 6 Months |
Features & Advantages
- OE Quality: Manufactured to strict Isuzu dimensional and performance specifiions for perfect fit and function
- Precision Gearing: Internal pump components machined to exacting tolerances for consistent oil flow
- Integrated Pressure Relief Valve: Pre-set to maintain optimal system pressure and prevent over-pressurization
- Durable Housing: High-quality cast aluminum/alloy housing resists wear and corrosion
- Consistent Oil Pressure: Delivers reliable oil flow across the entire engine speed and temperature range
- Protects Critical Components: Ensures proper lubriion of bearings, camshaft, and valve train
- Extends Engine Life: Proper oil pressure prevents premature wear and astrophic failure
- Direct Replacement: Simple installation during engine overhaul or oil pump service
- Heavy-Duty Design: Engineered for the demanding conditions of construction and industrial equipment
Vehicle & Engine Compatibility
This oil pump assembly is specifically designed for Isuzu engines and Hitachi excavators. Common appliions include:
Hitachi Excavators
- Hitachi EX450 - Large Excavators
- Hitachi EX450-5 - Large Excavators
- Hitachi EX450LC-5 - Large Excavators
- Hitachi EX400-5 - Large Excavators
- Hitachi EX400-3 - Large Excavators
- Hitachi EX400 - Large Excavators
Isuzu Engine Models
- Isuzu 6RB1 - 6-Cylinder Diesel Engine
- Isuzu 6RB1T - Turbocharged Variant
- Isuzu 6BB1 - 5.4L 6-Cylinder Diesel Engine
Installation Procedure
Professional equipment mechanic installation required. Proper oil system preparation is critical for optimal performance and engine protection.
- Drain engine oil - Drain the engine oil completely before beginning work
- Remove the oil pan - Safely remove the oil pan to access the oil pump
- Remove the old oil pump - Disconnect the pickup tube and remove the pump mounting bolts
- Remove the drive gear - Remove the oil pump drive gear or coupling from the crankshaft
- Inspect the drive components - Check the drive gear and crankshaft drive for wear; replace as needed
- Clean the mounting area - Thoroughly clean the engine block mounting surface and surrounding areas
- Inspect the pickup tube - Check the oil pickup tube and screen for blockage or damage
- Prepare the new pump - Install the drive gear onto the new pump if not pre-installed
- Check pump rotation - Verify the pump rotates freely and in the correct direction
- Install the new oil pump - Position the new pump and install mounting bolts
- Torque to specifiion - Tighten bolts to manufacturer specifiion
- Reinstall pickup tube - Install the oil pickup tube with a new O-ring/gasket
- Reinstall the oil pan - Install the oil pan with a new gasket
- Refill with fresh oil - Fill the engine with the correct grade and amount of oil
- Prime the oil system - Prime the oil system by cranking the engine (without starting) or using an oil priming tool
- Check oil pressure - Start the engine and verify oil pressure is within specifiion
- Check for leaks - Inspect the oil pan and pump area for any oil leakage
Quality Control
- Material Verifiion: Confirms housing and internal component materials meet OE specifiions
- Dimensional Inspection: All pump clearances, gear profiles, and mounting dimensions verified against OEM tolerances
- Gear Profile Inspection: Pump gear geometry checked for proper meshing and flow characteristics
- Pressure Relief Valve Calibration: Valve opening pressure verified to OE specifiion
- Flow Rate Testing: Oil flow capacity verified against OEM requirements
- Pressure Testing: Pump output pressure verified at various speeds
- Visual Inspection: 100% checked for casting defects, machining flaws, or damage
- Packaged Safely: Protected and securely boxed to prevent damage during transit
Packaging and Delivery
- 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
For pricing, availability, or bulk purchase of the Oil Pump 1-13100-241-0,
please contact our sales team for a competitive quote and expert technical support.
please contact our sales team for a competitive quote and expert technical support.
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