Description
Mercury 821630T1 Drive Shaft Housing Aluminum Anode
The Mercury 821630T1 drive shaft housing aluminum anode is a genuine OEM corrosion protection part designed for select MerCruiser Bravo sterndrives. Cast from aluminum with a large surface area for efficient protection, this anode helps guard your drive against galvanic corrosion in both freshwater and saltwater environments while supporting dependable long-term performance.
Key Features
- Genuine Mercury Precision aluminum anode
- Part number: 821630T1
- Fits select MerCruiser Bravo sterndrives
- Cast aluminum construction with large surface area
- Helps protect against galvanic corrosion
- Designed for freshwater and saltwater use
Fitment
- Fits MerCruiser Bravo I drives
- Fits MerCruiser Bravo II drives
- Fits MerCruiser Bravo III drives
- Fits MerCruiser Bravo X, XR, and XZ drives
Product Details
- Brand: Mercury Precision
- Manufacturer part number: 821630T1
- UPC: 745061029040
- Country of origin: CN
- Product type: Drive shaft housing aluminum anode
- Application: MerCruiser Bravo sterndrive corrosion protection
Package Dimensions
- Length: 11.15 in
- Width: 5.5 in
- Height: 0.75 in
- Weight: 1.063 lb
Why You Should Buy
- Helps protect your sterndrive from harmful galvanic corrosion
- Large surface area supports efficient corrosion-fighting performance
- OEM design supports proper fit, function, and durability
- Suitable for both freshwater and saltwater applications
Common Applications
Commonly used to help protect MerCruiser Bravo sterndrives from corrosion in marine environments where sacrificial anode protection is required.
FAQ
What drives does this fit?
It fits MerCruiser Bravo I, II, III, X, XR, and XZ drives.
Can this anode be used in saltwater?
Yes, this aluminum anode is suitable for both freshwater and saltwater applications.
What does this anode do?
It helps protect the drive shaft housing and surrounding sterndrive components from galvanic corrosion.
Does this include a Prop 65 warning?
Yes. This product carries a California Prop 65 warning for cancer and reproductive harm.






