Donaldson P550421 Lube Filter Spin-On Full-Flow – 1-3/8-16 UN Thread, 4.65" OD x 9.92" Long
2 in stock
LIMITED STOCK!! NO RETURNS!!
The Donaldson P550421 is a high-quality spin-on full-flow lube filter engineered to help remove contaminants from engine lubrication systems and protect critical engine components.
Its durable spin-on design allows for straightforward filter replacement, while the cellulose filtration media provides dependable contaminant capture. The P550421 is rated at 99% efficiency at 50 microns and is designed for applications requiring a large-capacity full-flow lube filter.
Ideal for heavy-duty engines, construction equipment, industrial machinery, and other applications requiring dependable oil filtration.
| Specification | Details |
|---|---|
| Brand | Donaldson |
| Part Number | P550421 |
| Filter Type | Lube / Oil Filter |
| Filter Style | Spin-On |
| Filter Type | Full-Flow |
| Media | Cellulose |
| Outside Diameter | 4.65" / 118 mm |
| Length | 9.92" / 252 mm |
| Thread Size | 1-3/8-16 UN |
| Gasket OD | 4.33" / 110 mm |
| Gasket ID | 3.86" / 98 mm |
| Efficiency | 99% @ 50 micron |
| Test Standard | JIS D 1611 |
| Collapse Burst | 100 psi / 6.9 bar |
| UPC | 742330107645 |
Specifications are corroborated by multiple current distributor listings and Donaldson catalog information.
Baldwin: B220, B7008D, B7019, B7246
Fleetguard: LF3544, LF3603
Fleetrite: LFR83544, LFR83603
WIX: 51728, 57728, 551728
FRAM: PH7525
Hastings: LF467
Luber-Finer: LFP8224
Purolator: L55099
NAPA: 1728, 7728
Kralinator: L1728
HIFI Filter: SO1662
SF-Filter: SP5177
Sure Filter: SFO0105
Woodgate: WGL3603, WGL9023
VMC: LF550421
Cross-reference numbers are provided for identification and interchange purposes; always verify application and dimensions before installation.
