Sierra 18-2175 Marine Engine Coupler for Mercruiser Stern Drive , white

$ 320.27

Score By Feature

Based on 6 ratings

Satisfaction

8.58

Packaging

8.48

Customer service

8.67

Delivery

8.69

OveReview Final Score

How Our Score Is Calculated

Product Description

Engines with a small crankshaft bolt pattern and flex plate style for late models

The MCM GM V-6 and V-8 (305 & 350 cid) engines (1983-1993) and the 454 Mag Alpha engines fit this part

Questions & Answers

It comes with everything shown in the picture, including the long yoke, or is just the coupler included?

Coupler, long yoke, and mounting hardware are all included in this kit.

Is it necessary to purchase the shaft if you already own one?

This 18-inch version of the Sierra It is not necessary to replace the drive shaft as long as the one you currently have is in good working order.

Does the hardware for the triangular plates come just in three pieces?

In order to connect the coupler/triangular plate to the output shaft, it needs to be matched. It is still important to replace yours with the coupler, even if it matches.

Selected User Reviews For Sierra 18-2175 Marine Engine Coupler for Mercruiser Stern Drive , white

We are glad to see a large chamfer at the end of the blade

3/5

There is nothing good about this product. According to the unit I received, the splined hub appears to be at an There is an apparent lack of quality control here, since it is so far from being concentric. By converting a 6" diameter circle into a circle when the motor is cranked, the end of the bar can travel through the flywheel with the alignment tool inserted. My boat was too important to me to leave torn apart while I waited for a replacement, so I installed it today. As a result of the large chamfer on the shaft, the shaft engages with the hub. Otherwise, it could not. As the alignment of the motor is impossible to verify, this coupler is unlikely to remain intact for.