E6 Piston Cooling Nozzle Screw, PAI ESC-2060 (OEM 421GC144), Pack of 10
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| Engine family | Mack E6 |
| Brand | PAI Industries |
| Part Category | Fasteners & Hardware |
| Sub-Type | Cylinder Head Fastener |
| Engine Make | Mack |
| Engine Model | E6 2 VALVE |
| Condition | New |
| Stage / Tier | Standard |
Pack of 10.
PAI ESC-2060 is an E6 Piston Cooling Nozzle Screw. Steel external hex drive, 1/2-13 thread and 0.94in length. For Mack E6 two-valve/four-valve applications. Manufacturer-designated parent reference: MACK 421GC144.
Manufacturer application categories
MACK E6. Confirm the exact required part number and configuration before ordering.
Manufacturer product cross-references
MACK 421GC144
PAI Part #: ESC-2060
OEM References:
- MACK 421GC144
Applications:
- MACK E6 2 VALVE ENGINES
Warranty: 2.0 year(s)
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 |
|---|
| 421GC144 |
| MACK 421GC144 |
| PAI ESC-2060 |
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.



