Mack E6 Crankshaft Hub Key, PAI EKY-2640 (OEM 42AX550), Pack of 5
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| Engine family | Mack E6 |
| Brand | PAI Industries |
| Part Category | Fasteners & Hardware |
| Sub-Type | Fastener / Hardware |
| Engine Make | Mack |
| Engine Model | E6 |
Pack of 5.
PAI EKY-2640 is a Mack E6 Crankshaft Hub Key. 2-1/4in length, 0.375in height and 0.255in width. Manufacturer-designated parent reference: MACK 42AX550.
Manufacturer application categories
MACK E6. Confirm the exact required part number and configuration before ordering.
Manufacturer product cross-references
MACK 42AX550
Fits:
- MACK E6 2 VALVE ENGINES
OEM cross-references:
- MACK 42AX550
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 42AX550 |
| PAI EKY-2640 |
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.