P551021 Donaldson Fuel Filter – 99% Efficiency 5 Micron, M32 x 1.5 Thread
Product Overview
The P551021 Donaldson Fuel Filter is a high-performance filtration component engineered for reliable fuel purification in diverse heavy-duty and industrial equipment. Specifically, it boasts a 99% filtration efficiency at 5 micron, ensuring thorough removal of fine contaminants to protect critical engine and fuel system components. Besides its superior filtration capabilities, it features precise dimensional and thread specifications to ensure seamless fitment with compatible machinery. Additionally, it adheres to Donaldson’s strict quality standards, making it a trusted choice for routine maintenance and long-term reliability.
This fuel filter is built with durability and functionality in mind, and as a result, it withstands the harsh operating conditions of power generation, construction, and industrial applications. Moreover, its optimized design simplifies installation and replacement, saving valuable time for technicians and fleet operators. Even more importantly, it serves as a cost-effective OEM-compatible replacement, streamlining inventory management for workshops servicing mixed fleets.
Key Specifications
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Parameter
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Value
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Part Number
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P551021
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Brand
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Donaldson
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Type
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Fuel Filter
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Filtration Efficiency
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99% at 5 micron
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Thread Size
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M32 x 1.5
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Overall Length
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264 mm (10.39 inch)
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Outer Diameter
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107.5 mm (4.23 inch)
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Length
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262 mm (10.31 inch)
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Gasket OD
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99 mm (3.90 inch)
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Gasket ID
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90.3 mm (3.56 inch)
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Filtration Performance & Engine Protection
The P551021 Donaldson Fuel Filter delivers exceptional filtration performance, with a 99% efficiency rating at 5 micron. Specifically, it captures nearly all 5-micron contaminants, including fine dirt, metal particles, and sediment, from diesel fuel. This thorough purification prevents these harmful particles from reaching fuel injectors, pumps, and other critical engine components. Moreover, it reduces wear, clogging, and premature component failure, ensuring the engine runs smoothly and reliably.
Additionally, the filter’s high-quality media is engineered to maintain steady fuel flow without compromising filtration efficiency. This ensures consistent fuel delivery to the engine, supporting optimal combustion and power output. Furthermore, it minimizes the risk of injector damage, rough idling, and unexpected equipment downtime. Ultimately, it extends the service life of the engine and fuel system, reducing long-term maintenance costs.
Its precision gasket design (99mm OD, 90.3mm ID) ensures a tight, leak-proof seal during installation. This prevents unfiltered fuel from bypassing the filter and protects against fuel leakage, ensuring safe and efficient operation in all working conditions.
Compatible Models & Applications
The P551021 Donaldson Fuel Filter fits a range of high-performance equipment across multiple reputable brands, making it a versatile choice for power generation and industrial fleets. Firstly, it is compatible with Kohler models, specifically the KD 36V16-5AEP, providing reliable filtration for Kohler-powered machinery.
For MTU equipment, the P551021 fits 12 C 2000, 12 V 4000 G21, and 18 V 2000 DIVERS models. Moreover, it is fully compatible with a wide range of SDMO models, including GEM 600, KD 1250-F, KD 1350, R 1000 CR, 1100R, 1250 CR, 1250 C3, R 800 CR, 880 CX, 1000 KX, 1000 UCX, 1250X, 650 UCX, 715 KX, 750 UCX, 800 KX, 880X, 910 FTBX, 910 KX, 910 UCX, S 630, XS 650 KX, and S 910 K.
Furthermore, the filter fits SIMED 800 KVA models, catering to power generation applications that require reliable fuel purification. Even more importantly, its broad compatibility extends to various industrial and power generation equipment, making it a flexible solution for workshops servicing mixed fleets.
Donaldson P551021 Filter Core Advantages
Firstly, the P551021 offers 99% filtration efficiency at 5 micron, ensuring thorough contaminant removal to protect critical engine and fuel system components. This significantly reduces the risk of equipment breakdowns and unexpected downtime. Moreover, its precise dimensional and thread specifications (M32 x 1.5 thread, 107.5mm OD, 264mm overall length) guarantee seamless fitment with compatible equipment.
Additionally, it is built with durable materials to withstand harsh operating conditions, including high vibrations, temperature fluctuations, and heavy-duty use. This ensures long service life and consistent performance in power generation, construction, and industrial settings. Furthermore, its precision gasket design prevents fuel leakage, enhancing safety and reliability.
Notably, the P551021 is a cost-effective OEM-compatible replacement filter that matches Donaldson’s strict quality standards. It simplifies inventory management for workshops and fleets due to its broad compatibility across multiple brands. Also, it is easy to install without specialized tools, reducing maintenance time and labor costs.
Donaldson Filter OEM Cross Reference & Replacement Value
The P551021 Donaldson Fuel Filter serves as a direct OEM-compatible replacement for Donaldson’s original fuel filters and equivalent aftermarket options. Specifically, it matches OEM specifications for filtration efficiency, dimensions, thread size, and gasket parameters, ensuring reliable engine protection. Moreover, it cross-references with equivalent OEM part numbers across its compatible models, providing a flexible and cost-effective alternative.
Additionally, it can replace multiple OEM filter part numbers, simplifying inventory management for workshops servicing diverse equipment. Furthermore, it maintains the same quality and performance as Donaldson’s original filters, ensuring peace of mind for routine maintenance. This makes it an ideal choice for fleet operators and workshops looking to reduce costs without compromising on reliability.
Donaldson P551021 Filter User Value
The P551021 Donaldson Fuel Filter offers exceptional value for users servicing Kohler, MTU, SDMO, and other compatible equipment. Its high filtration efficiency protects engines and fuel systems, reducing the risk of breakdowns and unexpected downtime. Moreover, its broad compatibility simplifies inventory management, eliminating the need to stock multiple filter types for different equipment models.
Its easy installation, durable construction, and leak-proof gasket design minimize maintenance time and labor costs for technicians. Additionally, it delivers consistent filtration performance, extending engine and fuel system service life and reducing long-term maintenance expenses. Ultimately, it provides a cost-effective, reliable solution for heavy-duty fuel filtration needs in power generation and industrial applications.
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