821631Q1 Aluminum Gimbal Housing Anode for MerCruiser Drives

821631Q1 Aluminum Gimbal Housing Anode for MerCruiser Drives

4 out of 5 Customer Rating
  • In Stock
Fulfilled by Vendor, typically 2-3 weeks.

Vendor Shipping Details

This item will be fulfilled from the vendor. Delivery time varies – typically 2–3 weeks.

Restrictions: This item does not ship to a PO Box, APO, FPO, DPO or international address. Expedited shipping is not available.

West Marine will email you when your order ships from the vendor.

This item is currently unavailable.
Enter your email address to be added to the waitlist.
Model # 4531398 Mfg # 821631Q1
Truck Freight

Truck Freight is used to ship items that exceed standard shipping limitations on weight and/or size. Delivery is only applicable within the contiguous United States. Additional shipping fees apply. Signature required for receipt of shipment.

Warning Hazard shipping
Item Can only Ship to Store

QUICKSILVER 821631Q1 Aluminum Gimbal Housing Anode for MerCruiser Drives

Cast in aluminum to fit at the base of the gimbal housing on your MerCruiser R, MR, Alpha One Gen II, Bravo series, X, XR and XZ Drives. It is designed to help combat the harmful effects of galvanic corrosion. Some attaching hardware is included for replacement of corroded anodes using common tools. Use existing bolts.

The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine Original Equipment replacement engine parts, oils, and accessories, but also works to serve all Original Equipment brands in the marine and powersports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind.


  • This aluminum anode kit includes installation hardware for fast and easy replacement of a corroded anode on MerCruiser Drives
  • Produced to meet Mercury Marine original equipment manufacturer specifications to best protect your MerCruiser Stern Drive from inside the gearcase housing at the bearing carrier
  • Inspect anodes periodically for best protection and replace when seeing signs of corrosion or pitting
  • Don’t let corrosion damage your MerCruiser Drive
Attachment Method Bolt-On
Best Use Engine
Compatibility MerCruiser (Alpha I , Alpha I; Gen II , Bravo I/II/III)
Dimensions 4 3/4" Width x 7 1/4" Length x 4 3/4" Height (121mm x 184mm x 121mm)
Material Zinc
Shape Engine Specific
Type Replacement Anode Only
Cancer and Reproductive Harm - www.P65Warnings.ca.gov