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Donaldson P550777 Spin-On Bypass Lube Filter The Donaldson P550777 is a high-performance spin-on bypass lube filter engineered to protect engine systems by efficiently removing contaminants from engine oil. This filter is designed to maintain oil cleanliness, ensuring optimal engine performance and longevity. Key Features: Filter Type: Spin-On Bypass Lube Filter Media Type: Cellulose Thread Size: 1 3/8-16 UN Length: 260 mm (10.24 inches) Outer Diameter: 118 mm (4.65 inches) Gasket Inner Diameter: 98 mm (3.86 inches) Gasket Outer Diameter: 110 mm (4.33 inches) Efficiency Ratings: 50% at 9 microns 99% at 22 microns Collapse Burst Pressure: 10.3 bar (149 psi) Applications: The P550777 is suitable for a wide range of heavy-duty applications, including: Agricultural machinery Construction equipment Industrial engines Heavy-duty It is compatible with various equipment brands and models, ensuring versatility across different machinery.

Donaldson Primary Air Filter (RadialSeal™) – Part No. P537876 The Donaldson P537876 is a high-efficiency primary air filter featuring RadialSeal™ technology, engineered to deliver reliable engine protection in demanding heavy-duty applications. Its design ensures a secure, leak-resistant fit under heavy vibration, while advanced media construction offers superior contaminant removal. Key Features: RadialSeal™ Design Provides a dependable, leak-resistant seal that keeps the filter securely in place, even under intense vibration. High-Efficiency Cellulose Media Utilizes premium cellulose filtration media to capture dust, dirt, and other particulates across a wide range of heavy-duty engine conditions. Corrosion-Resistant Steel Liners Coated steel inner and outer liners support the filter media, maintain structural integrity, and maximize airflow throughout the service interval. Pleatloc™ Construction Ensures uniform pleat spacing, preventing media bunching and promoting consistent performance and extended service life. Specifications: Overall Length: 510 mm (20.08 in) Outer Diameter: 282 mm (11.10 in) Inner Diameter: 148 mm (5.83 in) Filter Style: RadialSeal™ Primary Air Filter Media Type: High-efficiency cellulose Efficiency Standard: ISO 5011 test methods (99.9% typical efficiency) Weight: Approximately 3.33 kg (7.34 lb) Typical Applications: Case IH Agriculture Equipment Cross-referenced to Case IH part number 275809A1, making it suitable for various Case-branded tractors, combines, and harvesters. Link Belt Construction Machinery Cross-references include Link Belt part number E3H0146, fitting a range of Link Belt excavators and loaders. Caterpillar & Hitachi Heavy-Duty Engines Commonly used as the primary air intake filter in models where a RadialSeal™–style filter is specified. Use Part No. P537876 whenever a robust, high-flow primary air filter is required to protect diesel engines in rugged agricultural, construction, or industrial environments.

Donaldson Hydraulic Filter – Part No. P165659 The Donaldson P165659 is a premium spin-on hydraulic filter from the Duramax® series, engineered for demanding applications such as construction, mining, and heavy equipment. Designed to fit HMK05 and HMK25 filter assemblies, it provides reliable protection by effectively removing contaminants from hydraulic fluid. Key Features: Advanced Filtration Media Utilizes Synteq™ XP™ synthetic media rated Beta 1000 at 11 microns and Beta 2 at 4 microns, ensuring superior contaminant capture and longer service life. Heavy-Duty Construction Features a steel housing and die-cast aluminum top plate to withstand high-pressure hydraulic environments. Leak-Resistant Seal Equipped with a precision O-ring seal between the head and canister to prevent leaks and ensure a secure fit. High Flow Capacity Supports flow rates from 50 to 100 gallons per minute, suitable for high-demand hydraulic systems. Specifications: Outer Diameter: 121 mm (4.76 in) Overall Height: 295 mm (11.63 in) Thread Size: 1 3/4"-12 UN Gasket Outer Diameter: 86 mm (3.39 in) Gasket Inner Diameter: 79 mm (3.11 in) Pressure Rating: Up to 350 psi Operating Temperature Range: –20 °C to 121 °C (–4 °F to 250 °F) Seal Material: Nitrile (Buna-N®) Filter Media: Synteq™ XP™ Synthetic Micron Ratings: 11 µm (Beta 1000) and 4 µm (Beta 2) Flow Rate Range: 50–100 GPM Typical Applications: Hydraulic systems in excavators, loaders, backhoe loaders, and drilling equipment Compatible with equipment from brands like John Deere, Case, New Holland, and Atlas Copco Use Part No. P165659 to ensure consistent hydraulic system cleanliness, extend component life, and maintain reliable performance in tough operational environments.

Donaldson Air Breather – Part No. P528708 The Donaldson P528708 Air Breather is engineered to protect hydraulic and fuel reservoirs by filtering incoming air and removing moisture and particulates. Using advanced desiccant and coalescing media, it prevents corrosion, premature wear, and contamination, ensuring reliable system performance. Key Features: Desiccant & Coalescing Media Eliminates ambient humidity and captures dust, dirt, and other airborne particles before they enter storage tanks. Durable Construction Rugged housing resists harsh operating conditions and delivers long service life in industrial and mobile equipment applications. Spin-On Mounting Design Simplifies installation and replacement, providing a secure, leak-free seal for quick maintenance. Specifications: Outer Diameter: 88.5 mm (3.48 in) Overall Length: 92 mm (3.62 in) Gasket Inner Diameter: 24 mm (0.94 in) Gasket Outer Diameter: 32.3 mm (1.27 in) Height: 72 mm (2.83 in) Typical Applications: Hydraulic Reservoirs Prevents water and particulate ingress into hydraulic fluid systems in construction and agricultural equipment. Fuel Tanks Keeps fuel clean and dry in heavy-duty trucks, off-road machinery, and marine engines. OEM Replacement Cross-references to common equipment part numbers for brands like Volvo (e.g., 1082111, 11172907, 1080362, 3944785), making it suitable for various truck and heavy-equipment models (e.g., Volvo F10, F12, F16 series). Use the P528708 Air Breather to maintain reservoir integrity, extend equipment life, and reduce downtime by keeping internal systems free from moisture and contaminants.

Donaldson Hydraulic Filter – Part No. P165659 The Donaldson P165659 is a premium spin-on hydraulic filter designed to deliver high-efficiency filtration and long service life in demanding hydraulic systems. Part of the trusted Duramax® series, it is widely used in construction, mining, and industrial equipment. Key Features: High-Efficiency Media Features advanced Synteq™ XP™ synthetic media for superior particle removal. – 11 microns @ Beta 1000 – 4 microns @ Beta 2 Durable Construction Heavy-duty steel housing and cast aluminum base withstand high-pressure systems and vibration. Leak-Proof Seal Precision-engineered O-ring and head-to-canister sealing design for leak resistance and reliable installation. High Flow Rate Capability Supports hydraulic systems with flow demands between 50–100 GPM. Specifications: Outer Diameter: 121 mm Height: 295 mm Thread Size: 1 3/4"-12 UN Gasket OD: 86 mm Gasket ID: 79 mm Seal Material: Nitrile (Buna-N®) Pressure Rating: Up to 350 psi Temperature Range: -20°C to 121°C Filter Media: Synteq™ XP Synthetic Application Range: Compatible with Donaldson assemblies HMK05 and HMK25 Typical Applications: Hydraulic systems in excavators, loaders, backhoe loaders, and drilling equipment Suitable for brands like John Deere, Case, New Holland, and Atlas Copco

Donaldson P550787 Hydraulic Filter Cartridge The Donaldson P550787 is a high-performance hydraulic cartridge filter, engineered with advanced synthetic media to deliver exceptional contamination control in hydraulic systems. Ideal for demanding applications such as construction, mining, and heavy equipment, this filter ensures superior protection and longevity for critical components. Key Features High-Efficiency Synthetic Media Utilizes 14 µm filtration at Beta 1000, offering outstanding contaminant removal and enhanced protection against wear and hydraulic system failure. Robust Cartridge Design Engineered for reliability in high-pressure environments with a durable construction that withstands harsh conditions. Cost-Effective Serviceability Designed as a replaceable cartridge to minimize downtime and simplify maintenance. Typical Applications Hydraulic systems in Komatsu excavators and bulldozers (loader/dozer/excavator models) Industrial hydraulic systems requiring high particle retention Heavy-duty machinery operating in industry, construction, mining, and related fields Why Choose Donaldson P550787? Superior filtration performance – 14‑µm at Beta 1000 ensures excellent contaminant removal and system protection. Synthetic media durability – ensures reliability under high pressure with extended service intervals. OEM cross-reference compatibility – effectively replaces Komatsu 2076071181 models and widely supported by leading aftermarket brands

Donaldson P502635 Fuel Filter Water Separator – Spin-On The Donaldson P502635 is a high-efficiency spin-on fuel filter with integrated water separation, engineered to protect diesel engines by removing contaminants and separating water from fuel. Its robust design ensures reliable performance in demanding applications, helping to extend engine life and reduce maintenance costs. Key Features: Integrated Water Separation: Effectively separates water from diesel fuel, preventing corrosion and injector damage. High-Efficiency Filtration: Captures fine contaminants to maintain fuel cleanliness and protect engine components. Durable Construction: Built to withstand harsh operating conditions and varying fuel qualities. Spin-On Design: Allows for quick and easy filter replacement, minimizing downtime. Specifications: Part Number: P502635 Filter Type: Spin-On Fuel Filter with Water Separator Outer Diameter: 137 mm (5.39 inches) Length: 175 mm (6.89 inches) Thread Size: M36 x 1.5 Country of Origin: India Application: Suitable for various diesel engines in construction, agricultural, and industrial equipment. Donaldson P502635 ensures optimal fuel cleanliness and water removal, helping your engine run smoother, longer, and more efficiently. Trusted globally, Donaldson is the go-to brand for reliable fuel filtration.