OEM & Private Label
1R-0739 Engine Oil Filter
The NAKATU 1R-0739 is an aftermarket spin-on engine oil filter intended as a replacement for Caterpillar CAT 1R-0739. It helps capture particulate contaminants from engine lubricating oil in compatible filtration systems. Published applications include selected CAT 320B and 320D excavators, D6H and D6R dozers, 950G and 962G wheel loaders, and 3116, 3126, 3304 and 3306 engines. Confirm the equipment serial number, mounting interface, filter dimensions and original part number before ordering.
Specifications
- Model:
- NAKATU 1R-0739 Engine Oil Filter
- Product Type:
- Oil Filter
- Replaces:
- Fleetguard LF667; Donaldson P554004; Baldwin B7600; Bosch F026407043; FILTRON OP584; CARQUEST 85791; COOPERS-FIAAM FT4878
- Applicable engine number:
- CAT 320B, 320C, 320D, 323D, 325B, 330B excavators; D5M, D6H, D6M, D6R, D7R dozers; 928G, 950G, 962G, 966G loaders; 3116, 3126, 3304, 3306 engines. Verify equipment serial number.
- Key Specifications:
- Height: 257.1 mm Largest Outside Diameter: 107.9 mm
- OEM Part Numbers:
- Caterpillar 1R-0739, 1R0739
Product Overview
The NAKATU 1R-0739 is an aftermarket spin-on engine oil filter intended as a replacement for Caterpillar CAT 1R-0739. It helps capture dirt, wear particles and other particulate contaminants circulating in engine lubricating oil.
The CAT reference product belongs to the Standard Efficiency engine oil filter range and is listed for selected construction machinery, commercial diesel engines and industrial equipment.
Key Features
- Spin-on engine oil filter configuration
- Helps remove particulate contaminants from lubricating oil
- Intended for compatible heavy-duty engine lubrication systems
- CAT reference height: 257.1 mm
- CAT reference largest outside diameter: 107.9 mm
- CAT reference flow direction: out-to-in
- Third-party reference mounting thread: 1-1/8-16
- Verify NAKATU filtration performance, bypass valve requirements and sealing dimensions independently
Applications
CAT lists 1R-0739 for selected 320B, 320C, 320D, 323D, 325B and 330B excavators; D5M, D6H, D6M, D6R and D7R track-type tractors; and 928G, 950G, 962G and 966G wheel loaders.
Additional catalog applications include selected 3116, 3126, 3304 and 3306 diesel engines, motor graders, industrial equipment and generator sets.
Exact compatibility depends on the equipment serial number, engine arrangement, installed filter head, sealing configuration and original equipment part number. Not all machines within the same model family use identical filters.
Why Choose NAKATU?
NAKATU is an independent aftermarket filtration brand and supplier focused on replacement filters for heavy-duty trucks, construction machinery, agricultural equipment and industrial diesel engines.
Our product range includes engine oil filters, diesel fuel filters, fuel water separators, air filters and hydraulic filters.
We support international importers, distributors, wholesalers and equipment parts suppliers with product selection, cross-reference assistance, wholesale quotations and bulk purchasing arrangements.
Cooperation options include OEM projects, private-label programs, product customization, customized packaging and export-oriented procurement services, subject to confirmed specifications and order quantities.
NAKATU aims to support long-term global B2B relationships through responsive communication, flexible sourcing and practical application guidance.
Quality & Supply Assurance
NAKATU supports product specification confirmation, dimensional verification and application matching before order placement.
Sample approval, inspection requirements, labeling, packaging specifications and shipment arrangements can be discussed according to customer needs.
For wholesale and long-term supply programs, customers should confirm approved samples, filtration requirements, bypass valve characteristics, mounting dimensions, sealing configuration and delivery terms before production or shipment.
Disclaimer
Caterpillar, CAT, Fleetguard, Donaldson, Baldwin, WIX and other third-party brand names and part numbers are used solely for compatibility identification.
NAKATU is an independent aftermarket filtration brand and supplier and is not affiliated with, authorized by, sponsored by or endorsed by these manufacturers.
Verify equipment serial numbers, original part numbers, mounting specifications and filter dimensions before ordering.
