Sierra U-Joint - SIE-18-6406

Sierra 18-6406 MerCruiser Alpha I Gen II & Bravo U-Joint

U-Joint

Features:

GKN new style with external clips

For: MerCruiser Vazer

Fits: Alpha I Gen II (0L949779 & Up), Bravo (0M111208 & Up)

Interchangeable With:

Mallory

9-72413

9-72414

MerCruiser

865510T

865493A01

865496A02

865496A01

865511T

Volvo Penta

3860232

Frequently Asked Questions

• What is the Sierra 18-6406 MerCruiser Alpha I Gen II & Bravo U-Joint used for? The Sierra 18-6406 is a replacement U-joint designed for specified MerCruiser applications. It features a GKN new-style design with external clips and is listed for MerCruiser Vazer, Alpha I Gen II, and Bravo applications.
• Which MerCruiser drives does the Sierra 18-6406 U-Joint fit? The Sierra 18-6406 fits Alpha I Gen II drives with serial numbers 0L949779 and up, as well as Bravo drives with serial numbers 0M111208 and up. Verify your drive type and serial number before ordering to confirm compatibility.
• What type of design does the Sierra 18-6406 U-Joint have? The Sierra 18-6406 features a GKN new-style U-joint design with external clips. The product description identifies this design as one of the key features of the replacement U-joint.
• Is the Sierra 18-6406 U-Joint compatible with MerCruiser Vazer? Yes. The product description lists the Sierra 18-6406 U-Joint for MerCruiser Vazer applications. For other applications, confirm your specific drive type and serial number against the listed Alpha I Gen II and Bravo fitment information.
• What part numbers are interchangeable with the Sierra 18-6406 U-Joint? The Sierra 18-6406 is interchangeable with Mallory 9-72413 and 9-72414, MerCruiser 865510T, 865493A01, 865496A02, 865496A01, and 865511T, and Volvo Penta 3860232. Compare your existing part number and application before purchasing.