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The Ingersoll Rand 47545139001 39911631 Oil Filter is a service component used in the lubricant circuit of compatible Ingersoll Rand compressor systems. Unlike an intake air filter, this component works on the compressor oil side, where circulating lubricant needs to pass through a filtration stage before returning to the parts that depend on the oil circuit.
In a running compressor, oil moves through the lubrication system as part of normal operation. The oil filter captures contaminants carried in the lubricant and helps keep the circulating oil suitable for continued use. This makes the filter particularly relevant during routine compressor servicing, especially on machines operating for extended periods in manufacturing plants, workshops, utilities, and other industrial environments.
For maintenance personnel, the 39911631 is typically treated as a replaceable service component. Correct identification of the compressor, filter part number, mounting arrangement, and applicable service procedure should be completed before replacement.
| Parameter | Specification |
|---|---|
| Product Model | 47545139001 / 39911631 |
| Product Type | Oil Filter |
| Manufacturer | Ingersoll Rand |
| Product Category | Compressor Oil Filtration Component |
| System Application | Compressor Lubrication System |
| Primary Function | Lubricant Filtration |
| Filtration Position | Compressor Oil Circuit |
| System Role | Removes Contaminants from Circulating Compressor Oil |
| Service Purpose | Preventive Compressor Maintenance |
| Lubrication System | Compressor Oil Circulation |
| Component Type | Replaceable Maintenance Component |
| Application Area | Compatible Ingersoll Rand Compressor Systems |
| Dimensions | 290 × 50 × 119 mm |
| Weight | 2.27 kg |
The 39911631 operates directly within the compressor’s lubricant circuit. During normal compressor operation, circulating oil passes through the filter before continuing toward the components served by the lubrication system.
As the oil flows through the filtration element, contaminants carried in the lubricant are retained by the filter. The filtered oil then continues through the oil circuit, while accumulated contamination remains within the filter until the service component is replaced.
The simplified flow path is:
Compressor Oil Circuit → 39911631 Oil Filter → Filtered Lubricant → Lubricated Compressor Components
Filter condition is therefore closely related to the overall condition of the compressor oil system. During maintenance, technicians should consider the filter together with lubricant condition, operating history, leakage, and other signs of abnormal compressor operation rather than treating the filter as an isolated component.
The 47545139001 39911631 is part of the compressor’s oil-management path. It does not regulate compressor speed or independently control lubrication flow; instead, it performs the filtration task within the circulating lubricant system.
| System Layer | Typical Component | Function |
|---|---|---|
| Compressor Control | Compressor Controller | Monitors and manages compressor operation |
| Oil Circulation | Compressor Oil Circuit | Moves lubricant through the system |
| Filtration | 39911631 Oil Filter | Removes contaminants from circulating oil |
| Lubrication | Bearings / Lubricated Components | Receive lubricant during operation |
| Compression | Compressor Airend | Performs the primary compression process |
| Thermal Management | Oil Cooling Arrangement | Manages lubricant temperature where applicable |
| Service Layer | Maintenance Personnel | Inspects and replaces filtration components |
| Application | Typical Use |
|---|---|
| Manufacturing Plants | Routine oil-filter replacement on industrial compressor systems |
| Automotive Production | Supports scheduled compressor lubrication-system maintenance |
| Packaging Facilities | Used during service of compressors supplying production equipment |
| Machine Shops | Maintains the oil filtration stage of workshop compressor equipment |
| Industrial Utilities | Supports ongoing compressor lubrication maintenance |
| Process Facilities | Used as a replacement component during planned compressor servicing |
| Compressor Overhaul | Installed when servicing the lubricant circuit and associated components |
| Component | Function |
|---|---|
| Ingersoll Rand Compressor | Provides the mechanical compression system in which the oil circuit operates |
| Compressor Oil Circuit | Circulates lubricant through the machine |
| Oil Filter Housing | Provides the installation point for the oil filtration component |
| Compressor Airend | Contains the compression mechanism and associated lubricated components |
| Lubricated Bearings / Components | Receive circulating lubricant during operation |
| Oil Cooling Arrangement | Helps manage lubricant temperature where applicable |
| Compressor Controller | Monitors and manages machine operation |
| Compressor Maintenance Components | Support scheduled servicing of the lubrication system |
| Model / Product Category | Product Type | Typical Relationship |
|---|---|---|
| Ingersoll Rand 47545139001 | Compressor Service Part | Associated service-part family |
| Ingersoll Rand 39911631 | Oil Filter | Corresponding filter identification |
| Ingersoll Rand Compressor Oil Filters | Lubricant Filtration Component | Related replacement-filter category |
| Ingersoll Rand Oil Filter Housings | Oil Circuit Component | Associated filtration hardware |
| Ingersoll Rand Compressor Maintenance Components | Maintenance Parts | Related service components used during oil-system maintenance |
The 39911631 filters contaminants from circulating compressor oil. It is installed as part of the lubrication circuit so that oil continues through the system after passing through the filtration stage.
An intake air filter works before compression by filtering ambient air entering the compressor. The 39911631 operates in the lubricant circuit and filters contaminants carried in circulating compressor oil.
The filter mounting area, sealing surfaces, surrounding oil connections, and evidence of leakage or abnormal contamination should be inspected. The lubricant circuit should also be left in a safe, depressurized condition before the filter is removed.
Yes. The condition of a removed filter can provide useful maintenance information when considered alongside lubricant condition, operating history, leakage, temperature, and other compressor observations. Unusual contamination should be investigated rather than treating filter replacement alone as the complete corrective action.