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Description
Turning Point 503 Hub Kit
The Turning Point 503 Hub Kit connects a compatible Turning Point propeller to the propeller shaft on the engine applications listed below. Confirm the engine manufacturer, model, year, spline count, and gearcase size before ordering; horsepower alone does not establish fitment.
Features
- Application-specific Turning Point hub kit 503
- Fitment chart covers compatible Evinrude/Johnson and OMC applications
- Turning Point 500 Series hub system is interchangeable with Mercury Flo-Torq II, Michigan Wheel XHS, and Solas Rubex hub systems for compatible 4.25-inch and 4.75-inch gearcase applications.
Engine Application Chart
Match every applicable specification in the chart to your engine and propeller setup before purchasing.
| Manufacturer | Engine Model | Stroke/Cycle | Years | Hub Kit | Spline | Gearcase |
|---|---|---|---|---|---|---|
| Evinrude/Johnson | 50HP | 2 Cyl | 1971-1974 | 503 | 13 | 4.25" |
| Evinrude/Johnson | 45 - 55HP Commercial | 503 | 13 | 4.25" | ||
| Evinrude/Johnson | 55, 60, 65, 70HP(with large gearcase), 65HP (Commercial) | 3 Cyl | 503 | 13 | 4.25" | |
| Evinrude/Johnson | 75, 85, 88, 90, 100, 115, 120 | 4 Cyl | 1986-1994 | 503 | 13 | 4.25" |
| Evinrude/Johnson | 125, 135 | 1973-1976 | 503 | 13 | 4.25" | |
| Evinrude/Johnson | 140 | 1977-1984 & 1986-1994) | 503 | 13 | 4.25" | |
| Evinrude/Johnson | 115HP(H.O) | 503 | 13 | 4.25" | ||
| Evinrude/Johnson | 40, 50, 60,75HP (E-Tec) | 503 | 13 | 4.25" | ||
| Evinrude/Johnson | 90, 115HP, 130HP(20" shaft) | 2009-2010 | 503 | 13 | 4.25" | |
| OMC | Cobra 400: 2.3L-3.0L | 1978-1989 | 503 | 13 | 4.25" | |
| OMC | Sea Drive: 1.6L-1.8L | 503 | 13 | 4.25" |
Frequently Asked Questions
How do I know if the Turning Point 503 Hub Kit fits my engine?
Match your engine manufacturer, model, stroke or cycle, year, spline count, and gearcase size to the application chart. Do not select a hub kit by horsepower alone.
Does the Turning Point 503 Hub Kit fit every Evinrude/Johnson and OMC engine?
No. Fitment is limited to the specific applications shown in the chart. Similar-horsepower engines can use different spline counts, gearcase sizes, or hub kits.
Does the hub kit need to match both the engine and propeller?
Yes. The hub kit must match the engine propeller shaft and gearcase application as well as the compatible Turning Point propeller hub system.
Is the Turning Point 503 Hub Kit interchangeable with other hub systems?
For compatible 4.25-inch and 4.75-inch gearcase applications, the Turning Point 500 Series hub system is interchangeable with Mercury Flo-Torq II, Michigan Wheel XHS, and Solas Rubex hub systems. Always confirm the complete application before ordering.
Where can I get help choosing a compatible propeller?
Use Wholesale Marine's Propeller Finder to narrow down compatible propeller options for your boat and engine.
California Residents: 
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