Specifications
Brand Name :
Cum-mins
Model Number :
QSF3.8 / ISF3.8
Place of Origin :
China
MOQ :
1
Price :
$41 ~ $49
Payment Terms :
L/C,D/A,D/P,T/T
Supply Ability :
99
Delivery Time :
3-7 work days
Packaging Details :
Carton Box
Product Name :
Engine Lubrication Oil Pump Assembly
OEM Part Number :
5530566, 5481829, 5588790
Compatible Excavator :
QSF3.8 / ISF3.8 Diesel Engine
Type :
Gerotor-type oil pump (rotor pump)
Application :
Excavators, light commercial vehicles, industrial generators
Housing Material :
High-grade die-cast aluminum alloy (lightweight, high thermal conductivity)
Drive Type :
Camshaft-driven (engine timing system)
Package :
Carton Box
Payment :
TT.western Union.Paypal.Visa
Description

5530566 5481829 5588790 Oil Pump for QSF3.8 ISF3.8 Excavator Generator Parts

Protect your QSF3.8 and ISF3.8 engines from premature wear and catastrophic failure with this high-performance engine oil pump assembly. Designed as a direct OEM replacement for part numbers 5530566, 5481829, and 5588790, this pump delivers consistent oil pressure and flow to lubricate all critical engine components including crankshafts, bearings, and camshafts. Engineered for excavators, generators, and construction machinery, it ensures reliable operation in demanding working conditions. Manufactured to strict OEM specifications, it offers exceptional durability and performance at a competitive price point.

Core Selling Points

Exact OEM Fit & Compatibility
Precision-machined to match the exact dimensions and mounting points of the original oil pump. It bolts directly onto QSF3.8 and ISF3.8 engines without modifications, ensuring a seamless installation process and minimal equipment downtime.
Heavy-Duty Industrial Construction
Built with a high-pressure die-cast aluminum housing and heat-treated steel internal gears, this pump resists wear, corrosion, and deformation under high operating temperatures and pressures. The optimized gear design minimizes noise and vibration for smooth, quiet operation.
Precision Calibrated Lubrication
Calibrated to deliver the exact oil pressure and flow rate required by QSF3.8 and ISF3.8 engines. It provides consistent lubrication across all engine speeds and load conditions, preventing metal-to-metal contact and extending engine service life.
Rigorous Quality Assurance
Every unit undergoes comprehensive pressure and flow testing before shipment to guarantee leak-free operation and reliable performance. It is ISO 9001 quality certified and backed by a 6-month manufacturer warranty for complete peace of mind.

Parameter Specification
Product Name Engine Lubrication Oil Pump Assembly
OEM Part Numbers 5530566, 5481829, 5588790
Compatible Engines QSF3.8 / ISF3.8 Diesel Engine
Application Excavators, light commercial vehicles, industrial generators, construction machinery with 3.8L engines
Type Gerotor-type oil pump (rotor pump)
Housing Material High-grade die-cast aluminum alloy (lightweight, high thermal conductivity)
Rotor Material High-precision sintered steel (low wear, high efficiency)
Drive Type Camshaft-driven (engine timing system)
Rated Pressure 4.0–5.0 bar (engine operating range)
Flow Rate 40–60 L/min (at rated engine speed 2600 rpm)
Mounting Type Direct bolt-on fit (matches OEM mounting holes and sealing surfaces)
Seal Type Integrated front crankshaft oil seal interface (compatible with engine timing cover)
Oil Compatibility SAE 10W-30 / 15W-40 diesel engine oil (API CI-4 or higher)
Certifications RoHS, CE Compliant
Condition New aftermarket replacement, flow-tested and pressure-calibrated
Key Features High efficiency, low noise, direct fit, corrosion-resistant housing, stable oil pressure output

Part Number Status Description
5530566 Current Production Latest factory-original oil pump assembly, supersedes all previous versions
5530566F Foton OEM Format Chinese market Foton OEM part number, identical to 5530566
5481829 Superseded Previous generation, fully replaced by 5530566, 100% interchangeable
5588790 Superseded Early production version, fully interchangeable with 5530566
5398450 Superseded Transitional revision between 5588790 and 5481829
5525373 Superseded 2018-2020 production version
5263095 Superseded 2015-2018 production version
5267073 Superseded 2013-2015 production version
5302892 Superseded Industrial engine specific version
4980122 Superseded Original first generation oil pump

5530566 5481829 5588790 Excavator Oil Pump For QSF3.8 ISF3.8 Excavator Generator Parts

5530566 5481829 5588790 Excavator Oil Pump For QSF3.8 ISF3.8 Excavator Generator Parts

5530566 5481829 5588790 Excavator Oil Pump For QSF3.8 ISF3.8 Excavator Generator Parts

5530566 5481829 5588790 Excavator Oil Pump For QSF3.8 ISF3.8 Excavator Generator Parts

5530566 5481829 5588790 Excavator Oil Pump For QSF3.8 ISF3.8 Excavator Generator Parts

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5530566 5481829 5588790 Excavator Oil Pump For QSF3.8 ISF3.8 Excavator Generator Parts

Ask Latest Price
Brand Name :
Cum-mins
Model Number :
QSF3.8 / ISF3.8
Place of Origin :
China
MOQ :
1
Price :
$41 ~ $49
Payment Terms :
L/C,D/A,D/P,T/T
Contact Supplier
5530566 5481829 5588790 Excavator Oil Pump For QSF3.8 ISF3.8 Excavator Generator Parts
5530566 5481829 5588790 Excavator Oil Pump For QSF3.8 ISF3.8 Excavator Generator Parts

Guangzhou Lanxin Machinery Equipment Co., Ltd

Verified Supplier
1 Years
guangzhou
Since 2008
Business Type :
Distributor/Wholesaler, Trading Company
Total Annual :
10000000¥-100000000¥
Employee Number :
50~150
Certification Level :
Verified Supplier
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