Total Price:
Add to CartFor All Bravo Drives. (S/N OB664190 & Up)
Includes:
Interchangeable With:
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.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-2756 MerCruiser Bravo U-Joint Bellows Replaces 8M0062406 This Sierra U-joint bellows is designed for use with MerCruiser Bravo & Blackhawk drives. Features: Fits MerCruiser Bravo I,...
Sierra 18-1711 Mercruiser U-Joint Cross Bearing Sierra high-quality engine parts are designed to meet OEM specifications. For Bravo One, Two, & Three (All Ratios), Bravo One X/Two X, Three X (All...
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 &...
