FNU-4745 Mack UNIVERSAL TRUNNION NUT
Used In These Kits
This part is included in 2 engine & overhaul kits — find yours below.
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FKT-5152TRUNNION REBUILD KIT In stock -
FKT-5153Mack 44,000 CAMEL BACK SUSPENSION TRUNNION REBUILD KIT In stock - No kits match that search.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
TRUNNION NUT
Fits:
- MACK UNIVERSAL
OEM cross-references:
- MACK 25QJ223
- MACK 25QJ142
- MACK 25163838
- PAI FNU-4745
Warranty: 24 months
These catalog references may identify this part or components in an assembly. A listed number alone does not confirm whole-assembly interchange or vehicle fitment. Confirm the required part before ordering.
| Number |
|---|
| MACK 25QJ223 |
| MACK 25QJ142 |
| MACK 25163838 |
| PAI FNU-4745 |
No cross-reference numbers match that search.
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.







