SEI 1 1/4" Intermediate Shaft
The SEI 1 1/4" Shim is used for adjusting gear and bearing tolerances in MerCruiser sterndrive assemblies. Produced by SEI to OEM specifications, this replacement part offers an economical and reliable alternative compatible with MerCruiser sterndrive systems.
1 1/4" Shim Features
SEI (Sterndrive Engineering Inc.) parts are manufactured to OEM standards at their Florida production facility and undergo extensive testing processes.
- Size: 1 1/4"
- Function: Mounting gap adjustment (shim)
- Material: Steel
Technical Specifications
| Size | 1 1/4" |
| Function | Mounting gap adjustment (shim) |
| Material | Steel |
Who is This Product For?
- Replacement parts: Economical replacement for damaged or worn 1 1/4" Shims
- System reliability: Secure operation of the sterndrive system with the correct 1 1/4" Shim
Maintenance and Longevity
Sterndrive parts ensure long-lasting use with regular inspection and timely replacement. All seals, bearings, and anode parts should be checked at the beginning of each season.
Related maintenance categories: Anode | Gear Oils | Seal | Impeller
Frequently Asked Questions
When should the 1 1/4" Shim be replaced?
It should be inspected and replaced if abnormal noise, vibration, or shifting problems are noticed.
What else should be checked during replacement?
Simultaneous inspection of connected parts prevents additional disassembly costs. Gear oil and seal condition should be checked every time the drive is opened.
Related Products and Categories
Is This the Right Product for Your Boat?
Share your boat's model and year — let's verify the compatibility of the SEI 1 1/4" Shim together.
Delivery Information
Your orders are dispatched within an average of 28 business days. Free shipping on orders of 5000 TL and above.
Return Policy
You can return the products you purchased unconditionally within 14 days, provided they are unused and in their original packaging. You can contact us through our Customer Service page for return processes.