OEM / REF: P550391SKU: pilotpart294580
Fuel Filter P550391 for Isuzu 4BD1T 6RB1T 6WG1 6BG1 6HK1 6HK1X 4BG1T 6BG1T 4JG1 4BG1 6SD1 6SD1T is a Fuel Filter replacement part indexed for Isuzu · 4BD1T and Isuzu · 6RB1T, with 3 application records on file. Match OEM part number P550391 and confirm fitment for Isuzu Seals, Filters & Maintenance Parts before orde...
This Fuel Filter is indexed for Isuzu · 4BD1T; Isuzu · 6RB1T; Isuzu · 6WG1; Isuzu · 6BG1. Compare reference number P550391 against the label on your existing Isuzu component before ordering.
Before checkout, compare OEM part number P550391, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.
| Outer Diameter | 3.70 inch (94 mm) |
|---|---|
| Thread Size | M24 x 1.5 |
| Length | 6.77 inch (172 mm) |
| Gasket OD | 3.54 inch (90 mm) |
| Gasket ID | 2.68 inch (68 mm) |
| Efficiency 99% | 30 micron |
| Efficiency Test Std | SAE J1985 |
| Emulsified H2O Efficiency | 95.00 Percent |
| Type | Water Separator |
| Style | Spin-On |
| Part Number | P550391 |
Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.
Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.
Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.
