Sierra Engine Coupler - SIE-18-21752-1

Sierra 18-21752-1 Engine Coupler for OMC, Volvo

Sierra replacement engine coupler for OMC and Volvo Penta engines. Sierra aftermarket parts are manufactured to meet or exceed OEM requirements.

17 Splines

Fits:

4.3L (1986-1998)

5.0L (1986-1988, 1998)

5.7 (1986-1992, 1994, 1996-1998)

Interchangeable With:

OMC Stern Drive

984290

986120

3853917

3858437

Volvo Penta

3858437

3858437-1

Frequently Asked Questions

• What is the Sierra 18-21752-1 Engine Coupler for OMC, Volvo used for? The Sierra 18-21752-1 Engine Coupler is a replacement engine coupler for specified OMC and Volvo Penta applications. It features 17 splines and is manufactured to meet or exceed OEM requirements.
• Which engines does the Sierra 18-21752-1 Engine Coupler fit? The Sierra 18-21752-1 fits 4.3L engines from 1986–1998, 5.0L engines from 1986–1988 and 1998, and 5.7L engines from 1986–1992, 1994, and 1996–1998. Verify your engine displacement and model year before ordering.
• How many splines does the Sierra 18-21752-1 Engine Coupler have? The Sierra 18-21752-1 Engine Coupler has 17 splines. Confirm that your application requires a 17-spline engine coupler before purchasing.
• Is the Sierra 18-21752-1 Engine Coupler compatible with OMC and Volvo Penta? Yes. The product description identifies the Sierra 18-21752-1 as a replacement engine coupler for OMC and Volvo Penta engines. The listed applications include specific 4.3L, 5.0L, and 5.7L engine model years.
• What part numbers are interchangeable with the Sierra 18-21752-1 Engine Coupler? The Sierra 18-21752-1 is interchangeable with OMC Stern Drive part numbers 984290, 986120, 3853917, and 3858437. It is also interchangeable with Volvo Penta part numbers 3858437 and 3858437-1.
• Does the Sierra 18-21752-1 Engine Coupler meet OEM requirements? Sierra states that its aftermarket parts are manufactured to meet or exceed OEM requirements. The 18-21752-1 is identified as a replacement engine coupler with 17 splines for the specified OMC and Volvo Penta applications.