Shopping for: Confirm the part against your engine serial number and application before ordering.
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FFF-4550 Mack UNIVERSAL SECONDARY FUEL FILTER (Pack of 12)
Commercial diesel engine component. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$260.76$537.60
Save $276.84
In Stock
PAI Part #FFF-4550
JAK'S Part #JAKS-FFF-4550
Kit Membership
Used In These Kits
This part is included in 3 engine & overhaul kits — find yours below.
Complete The Rebuild
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
Sold in a pack of 12. Price shown is for 12 pieces.
SECONDARY FUEL FILTER
Fits:
- MACK UNIVERSAL
OEM cross-references:
- MACK 4333-998440R91
- NAVISTAR 998440
- NAVISTAR 998440R91
- GMC TRUCK 25010784
- CATERPILLAR 3I0757
- CATERPILLAR 9Y4406
- CATERPILLAR 3I1159
- CATERPILLAR 243-8828
- CATERPILLAR 2438828
- MACK 483GB218
- MACK 483GB218A
- MACK 483GB218C
- MACK 483GB218B
- MACK 483GB441
- MACK 9424-FF171
- MACK 20704613
Warranty: 24 months
Most PAI parts carry a 2-year unlimited-mileage PAI warranty — 3 years on the High Performance tier, 1 year on Excel by PAI. See Warranty & Returns for full coverage terms, or call a specialist to confirm the exact coverage on this part.
PAI published warranty tiers: High Performance — 3-Year · Genuine PAI — 2-Year · Excel — 1-Year, unlimited mileage. The badge beside the price shows this product's recorded term; when no badge is shown, confirm coverage with a specialist.








