FWF-4520 Mack COOLANT FILTER (Pack of 12)
Used In These Kits
This part is included in 4 engine & overhaul kits — find yours below.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Engine Make | Mack |
| Engine Model | E6 · E7 |
Sold in a pack of 12. Price shown is for 12 pieces.
COOLANT FILTER
Fits:
- MACK E6 2 VALVE ENGINES
- MACK E7 ENGINES
OEM cross-references:
- MACK 25MF314A
- MACK 25MF435
- MACK 25MF435A
- GMC TRUCK 6439296
- CATERPILLAR 9Y4530
- CATERPILLAR 243-9831
- CATERPILLAR 2439831
- MACK 25MF435B
- MACK 25MF428A
- MACK 25MF428
- MACK 25MF314
- MACK 25MF314B
- MACK 9424-WF2015
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 25MF314A |
| MACK 25MF435 |
| MACK 25MF435A |
| GMC TRUCK 6439296 |
| CATERPILLAR 9Y4530 |
| CATERPILLAR 243-9831 |
| CATERPILLAR 2439831 |
| MACK 25MF435B |
| MACK 25MF428A |
| MACK 25MF428 |
| MACK 25MF314 |
| MACK 25MF314B |
| MACK 9424-WF2015 |
| PAI FWF-4520 |
No cross-reference numbers match that search.
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
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.