⚓️ Power your legacy with precision-engineered coupling!
The GLM Mercruiser Alpha One Engine Coupler (Part #11500) is a precision replacement part designed specifically for older Chevy engines (1985 & before) with 2-piece rear main seals. Compatible with Mercury and Sierra OEM numbers, this compact, lightweight coupler ensures reliable, durable performance and seamless integration for marine engine maintenance and restoration.
| Manufacturer | GLM |
| Brand | GLM |
| Item Weight | 7 pounds |
| Product Dimensions | 5 x 5 x 4 inches |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 11500 |
| OEM Part Number | GLM Part Number: 11500; Sierra Part Number: 18-2171; Mercury Part Number: 76850A2 |
R**N
Perfect fit for factory replacement
Perfect fit for the OEM replacement on my mercruiser 3.0L in line 4 Chevy block.
D**N
perfect fit
Part came on time, fit and preformed flawlessly.
G**R
Same piece exactly that was on the boat and more ...
Same piece exactly that was on the boat and more than 50% less than local marina, seems to work very well but will get out more since season coming to an end.
Trustpilot
2 months ago
1 month ago
