Engine Oil Pump Assembly 1010100FA01 For JAC1040 4DA1 Diesel Truck Engine

The Engine Oil Pump Assembly (OEM Number: 1010100FA01) is a premium-quality, direct replacement oil pump designed specifically for JAC1040 series trucks equipped with 4DA1 diesel engines. This essential engine component circulates oil under pressure to lubricate and cool moving parts, ensuring reliable engine operation and longevity.

• OE Quality: Manufactured to strict JAC dimensional and material specifications for perfect fit and function
• High-Strength Construction: Durable housing and internal components withstand high pressures and temperatures
• Precision-Machined Gears: Exact tolerances ensure consistent oil pressure and flow rate for reliable lubrication
• Restores Engine Protection: Eliminates low oil pressure and inadequate lubrication caused by worn or failed pumps
• Direct Replacement: Matches OE mounting points, drive type, and oil line connections for simple installation
• Long Service Life: Engineered for commercial truck duty cycles with reliable performance
• Cost-Effective Repair: Affordable replacement that prevents costly engine damage

This oil pump assembly is specifically designed for JAC light-duty trucks with the following applications:

• JAC1040 (Light-Duty Trucks)
• Engine Applications: JAC 4DA1 Diesel Engine
• Also compatible with various JAC models using the 4DA1 engine with the same oil pump configuration

Professional mechanic or engine builder installation recommended:

1. Ensure engine is cool - Allow the engine to cool completely before disassembly
2. Disconnect battery - Always disconnect the negative terminal before working on engine components
3. Drain engine oil - Drain the engine oil into a suitable container
4. Remove oil pan - Remove the oil pan to access the oil pump
5. Remove old oil pump - Unbolt and remove the old pump; note the drive mechanism and orientation
6. Clean mating surfaces - Remove old gasket material and debris from the mounting surface
7. Inspect oil pickup tube - Check for cracks, blockage, or debris; clean or replace if necessary
8. Prime new oil pump - Fill the new pump with clean engine oil and rotate the drive gear to prime it
9. Install new oil pump - Position the new pump on the block; align drive gear with camshaft or crankshaft
10. Torque mounting bolts - Tighten bolts to manufacturer torque specifications
11. Reinstall oil pan - Install a new oil pan gasket and reinstall the pan; torque bolts to specification
12. Refill with engine oil - Fill with the correct grade and quantity of engine oil
13. Prime oil system - Crank the engine without starting (if possible) until oil pressure builds
14. Start and test - Start the engine; verify oil pressure warning light goes out and check for leaks
15. Check oil level - After running, check oil level and top up if necessary

• Material Verification: Confirms steel composition and hardness meet JAC strength and wear resistance specifications
• Dimensional Inspection: Housing, gear, and shaft dimensions verified within OEM tolerances
• Pressure & Flow Testing: Each pump tested for proper oil pressure and flow rate
• Leak Testing: Pump housing and seals tested for leak-proof integrity
• Visual Inspection: 100% checked for casting defects, machining flaws, or damage
• Packaged Safely: Protected and boxed to prevent damage during transit

• 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 Engine Oil Pump Assembly 1010100FA01 For JAC1040 4DA1 Diesel Truck Engine, please contact our sales team for a competitive quote and expert technical support.