Introduction
The Ingersoll Rand 47545137001 39911631 Coolant Filter Element is a maintenance-focused combination for compatible New Cobra M90–160 air-cooled rotary screw compressors. The 47545137001 reference identifies a major 16,000-hour preventive maintenance program, while 39911631 is the coolant-filter element used in applicable Ingersoll Rand compressor configurations.
Fluid filtration is essential to the reliability of an oil-injected screw compressor. Compressor lubricant is continuously circulated through the system, where it performs several functions including lubrication, cooling, and sealing. As the compressor operates, microscopic wear particles and other contaminants can enter this circulating fluid. A properly functioning filter helps capture these contaminants before they can continue through the system.
The 39911631 reference has a well-established history in Ingersoll Rand compressor parts documentation. An Ingersoll Rand parts list for 125–200 HP / 90–160 kW compressors specifies 39911631 as the coolant filter element, with two elements per compressor. Other Ingersoll Rand parts documentation similarly lists the reference on the coolant filter for multiple compressor families.
This makes 39911631 particularly relevant to larger industrial compressor applications where fluid cleanliness is important to maintaining reliable air-end and cooling-system operation. The filter is not simply a general-purpose oil filter; the correct element must match the compressor's filter housing and operating requirements.
Terminology can vary between parts suppliers. Some current supplier listings describe 39911631 as an oil-filter element, while Ingersoll Rand parts documentation uses the term Coolant Filter Element. For purchasing purposes, the safest approach is to identify the part by its Ingersoll Rand part number and verify it against the compressor's applicable parts manual.
Filter condition can have a direct influence on fluid-system performance. As particulate loading increases, restriction across the filter can rise. A filter that is excessively restricted may affect fluid circulation and contribute to abnormal operating conditions.
Replacement should therefore be treated as a planned maintenance task rather than waiting for a severe restriction or contamination-related problem. During replacement, technicians should also inspect the filter housing, sealing surfaces, connections, and surrounding fluid circuit for signs of leakage or contamination.
The 16,000-hour maintenance milestone represented by 47545137001 is particularly significant because major compressor service typically involves multiple systems rather than a single consumable. Coordinating coolant filtration with other scheduled maintenance can improve service efficiency and reduce the risk of overlooking supporting components.
39911631 should also not be confused with the compressor's air filter or air/oil separator. Each filter serves a distinct purpose: the air filter protects the intake system, the coolant filter protects the circulating fluid circuit, and the separator removes entrained oil from compressed air before discharge.
Different Ingersoll Rand compressor generations can use different filter references. Even when two elements appear physically similar, differences in dimensions, sealing, filtration characteristics, or pressure capability can make them unsuitable substitutes. Current application documentation should therefore take precedence over visual comparison.
Exact OEM dimensions, filtration efficiency, pressure-drop characteristics, media construction, weight, and current package configuration for 39911631 were not sufficiently verified from authoritative current documentation. These specifications are intentionally not estimated.
For industrial maintenance teams, the combination of 47545137001 and 39911631 provides clear service traceability for a major compressor maintenance event. When correctly matched to the compressor configuration, 39911631 supports cleaner circulating fluid and helps protect the lubrication and cooling functions that are fundamental to dependable screw-compressor operation.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Ingersoll Rand |
| Maintenance Kit Reference | 47545137001 |
| Maintenance Interval | 16,000 Hours |
| Maintenance Kit Type | Preventive Maintenance Kit |
| Compressor Family | New Cobra 90–160 / M90–160 |
| Cooling Configuration | Air-cooled |
| Component Part Number | 39911631 |
| Product Type | Coolant Filter Element |
| Alternate Catalog Description | Oil Filter Element |
| Primary Function | Coolant/lubricant filtration |
| Application | Compatible Ingersoll Rand rotary screw compressors |
| Quantity | Application-specific; 2 per unit in a documented 125–200 HP / 90–160 kW application |
| Filter Media | Verify applicable parts documentation |
| Filtration Efficiency | Verify applicable parts documentation |
| Operating Pressure | Application-specific |
| Differential Pressure | Verify applicable parts documentation |
| Dimensions | Application-specific; verify applicable parts documentation |
| Weight | Application/package-specific; verify supplied product |
| Installation | Follow applicable Ingersoll Rand service documentation |
| Service Interval | Application-specific; follow current maintenance schedule |
| Compatibility | Confirm compressor model and serial number before ordering |
The Ingersoll Rand parts documentation reviewed for 125–200 HP / 90–160 kW compressors specifies 39911631 as the coolant filter element with a quantity of two per unit. Exact dimensions and performance specifications should be confirmed for the particular compressor configuration.
Recommended Companion Models
| Model | Product Name |
| 24172215 | Air Filter Element |
| 54509427 | Air/Oil Separator Element |
| 99289894 | Minimum Pressure Valve Service Kit |
| 47545136001 | Temperature Control Valve Maintenance Kit |
These components address complementary filtration, separation, pressure-control, and temperature-management functions within the broader New Cobra M90–160 maintenance strategy.
Frequently Selected Alternatives
| Model | Product Name |
| 39911615 | Coolant / Oil Filter Element |
| 39796982 | Earlier Coolant Filter Reference |
| 23424922 | Coolant Filter Element |
| 54601513 | Air/Oil Separator Element |


