Description
18 X 13.5 N4l 1 1/4 Prop | Boat Supply Store
This JOHNSON PROPELLER CO., INC. propeller is engineered for boaters demanding superior propulsion efficiency from compatible outboard engines. Featuring a precise 18-inch diameter and 13.5-inch pitch, it is constructed with a robust 1 1/4-inch shaft for secure engine integration. This N4L series prop facilitates enhanced planing and sustained high-speed cruising on waters like Lake Conroe.
Key Features
- Optimized 18-inch diameter for broad application
- Precise 13.5-inch pitch for efficient thrust
- Secure 1 1/4-inch shaft size ensures solid fitment
- N4L series designation indicates specific design
- Engineered for enhanced speed and acceleration
- Designed for improved fuel economy
- Durable construction for marine environments
- Direct fit for compatible outboard motor applications
Specifications
| Product Specifications | |
|---|---|
| Diameter | 18 inches |
| Pitch | 13.5 inches |
| Shaft Size | 1 1/4 inches |
| Series | N4L |
| Manufacturer | JOHNSON PROPELLER CO., INC. |
Who This Is For
Boaters seeking to maximize the performance potential of their compatible outboard engine, aiming for improved top-end speed and quicker acceleration. This propeller is ideal for those who prioritize efficient operation during extended runs or for watersports activities.
How It Compares
| Feature | 18 X 13.5 N4l 1 1/4 Prop | Mercury Propeller 48 |
|---|---|---|
| Diameter | 18 inches | 13.5 inches |
| Pitch | 13.5 inches | — |
| Shaft Size | 1.25 inches | 1.25 inches |
Common Concerns Answered
Will this propeller fit my outboard motor?
Verification of your outboard's specific shaft size and engine horsepower range is critical to ensure correct fitment, preventing incorrect installation and performance issues.
How do I know if this is the right pitch and diameter for my boat?
Propeller performance is optimized when the pitch and diameter are matched to your specific boat hull design and engine's power curve; consult your boat's operational manual or a marine specialist for recommendations.
Users mention improved performance, but what if it's not right for my setup?
Customer satisfaction is high when the propeller is correctly matched to the engine and hull, indicating that verifying compatibility before purchase is key to achieving the anticipated gains in speed and efficiency.
Frequently Asked Questions
What is the pitch and diameter of the 18 X 13.5 N4l 1 1/4 Prop?
The propeller features an 18-inch diameter and a 13.5-inch pitch.
What engine sizes is the 18 X 13.5 N4l 1 1/4 Prop compatible with?
Compatibility is dependent on the specific outboard engine model and its recommended propeller specifications; consult your engine's owner's manual for detailed fitment information.
What is the shaft size for this propeller?
This propeller is designed with a 1 1/4-inch shaft size for secure attachment to the drive shaft.
What material is the 18 X 13.5 N4l 1 1/4 Prop made from?
While the specific material composition is not detailed here, JOHNSON PROPELLER CO., INC. typically utilizes durable materials suitable for marine propulsion systems in their N4L series.
Is this propeller a direct replacement for a specific OEM part number?
This propeller is part number 1771 (MPN) from JOHNSON PROPELLER CO., INC. and may cross-reference with certain OEM part numbers; verification against your engine's specifications is advised.
