Sierra 18-6401 MerCruiser Bravo 0B664190 & Up U-Joint Assembly

Sierra 18-6401 MerCruiser Bravo 0B664190 & Up U-Joint Assembly

For All Bravo Drives. (S/N OB664190 & Up)

Includes:

Center Socket 18-2128

O-Ring (Pack of 5) 18-7153-9

O-Ring (Pack of 5) 18-7117

U-Joint Cross and Bearing 18-2174

Yoke 18-2146

Yoke 18-6400

Interchangeable With:

MerCruiser OEM Replacement

12784A10

864244A 2

12784A4

GLM

28060

Frequently Asked Questions

• What is the Sierra 18-6401 MerCruiser Bravo 0B664190 & Up U-Joint Assembly used for? The Sierra 18-6401 is a replacement U-joint assembly for all MerCruiser Bravo drives with serial numbers 0B664190 and up. The assembly includes the components specified in the product description for the listed Bravo drive applications.
• Which MerCruiser Bravo drives does the Sierra 18-6401 U-Joint Assembly fit? The Sierra 18-6401 is specified for all Bravo drives with serial numbers 0B664190 and up. Verify your drive's serial number before ordering to confirm that it falls within the listed application range.
• What is included with the Sierra 18-6401 U-Joint Assembly? The Sierra 18-6401 includes center socket 18-2128, two packs of five O-rings in part numbers 18-7153-9 and 18-7117, U-joint cross and bearing 18-2174, yoke 18-2146, and yoke 18-6400.
• Are O-rings included with the Sierra 18-6401 U-Joint Assembly? Yes. The Sierra 18-6401 includes an O-ring pack of five, part number 18-7153-9, and another O-ring pack of five, part number 18-7117. Both O-ring packs are specifically listed as included components.
• What part numbers are interchangeable with the Sierra 18-6401 U-Joint Assembly? The Sierra 18-6401 is interchangeable with MerCruiser OEM replacement part numbers 12784A10, 864244A 2, and 12784A4, as well as GLM part number 28060. Compare your existing part number and Bravo drive serial number before purchasing.
• Does the Sierra 18-6401 include a U-joint cross and bearing? Yes. The Sierra 18-6401 U-Joint Assembly includes U-joint cross and bearing 18-2174. The assembly also includes the center socket, O-rings, and two yokes listed in the product description.