Description
MICHIGAN WHEEL Thrust Washer | Boat Supply Store
This critical component ensures proper pre-load on your propeller shaft, preventing premature wear and damage to drive train components. Constructed from high-grade stainless steel, it withstands harsh marine environments and sustained torque loads up to 150 ft-lbs. Essential for maintaining the integrity of your outboard or stern drive system, especially for high-speed applications on Lake Travis.
Key Features
- Prevents premature wear on propeller shaft
- Protects drive train components from damage
- Engineered for sustained torque loads
- Constructed from corrosion-resistant materials
- Ensures secure propeller installation
- Critical for optimal engine performance
- Durable stainless steel construction
- Direct replacement for OEM parts
Specifications
| Product Specifications | |
|---|---|
| Material | Stainless Steel |
| Torque Rating | 150 ft-lbs |
| Inner Diameter | 1.25 inches |
| Outer Diameter | 2.50 inches |
| Thickness | 0.375 inches |
Who This Is For
This thrust washer is designed for boat owners and marine mechanics who need a reliable replacement part for their propeller shaft assembly. It's essential for maintaining proper function and preventing damage in various marine propulsion systems.
How It Compares
| Feature | MICHIGAN WHEEL Thrust Washer | Various |
|---|---|---|
| Material | Stainless Steel | Steel |
| Torque Rating | 150 ft-lbs | — |
| Inner Diameter | 1.25 inches | 1.20 inches |
| Outer Diameter | 2.50 inches | 2.45 inches |
| Thickness | 0.375 inches | 0.350 inches |
Common Concerns Answered
Will this thrust washer fit my propeller shaft?
The M991312 thrust washer features an inner diameter of 1.25 inches, designed to fit standard 1.25-inch propeller shafts. Always verify your shaft diameter for precise compatibility.
How do I know if my current thrust washer needs replacing?
Signs of a worn thrust washer include excessive play in the propeller, unusual noises from the drive unit, or visible wear marks on the shaft or propeller splines. Replacement is crucial to prevent drive train damage.
Is this part durable enough for saltwater environments?
Yes, this thrust washer is constructed from high-grade stainless steel, offering superior resistance to corrosion and degradation in harsh saltwater conditions, ensuring longevity and reliable performance.
Frequently Asked Questions
What is the primary function of a thrust washer?
A thrust washer's primary function is to evenly distribute the axial load generated by the propeller's thrust across the bearing surface, preventing concentrated stress and wear on the propeller shaft and drive components.
What torque rating should I be aware of?
This thrust washer is rated for up to 150 ft-lbs of torque, ensuring it can handle the rotational forces of most recreational boating applications without failure.
What are the exact outer and inner dimensions?
The thrust washer has an outer diameter of 2.50 inches and an inner diameter of 1.25 inches, accommodating standard propeller shaft sizes.
How thick is the washer?
The washer has a thickness of 0.375 inches, providing adequate surface area for load distribution and proper fit within the propeller assembly.
Is this a direct OEM replacement?
While not explicitly OEM branded, this MICHIGAN WHEEL thrust washer is engineered to meet or exceed the specifications of many original equipment manufacturer parts, offering a reliable alternative for replacement.
