S2K Commerce - Products Dropdown
Actions
S2K Commerce - Order Entry
Actions
Mercury Zinc Transom Anode Bar 43396A1 818298Q1 8M0059343
Fits Mercury 40-300hp
| Quantity | Price |
| 1 | 17.83 |
TecnoSeal Zinc Transom Anode Bar
TecnoSeal 6249Z Mercury Transom & Lower Unit Zinc Anode
The TecnoSeal 6249Z zinc transom anode bar replaces multiple Mercury and Quicksilver OEM part numbers including 43396A1, 43396A2, 8M0059343, 8M0172259, 818298, 818298A1, 818298Q1, 818298T1, and 8182981.
This rectangular zinc anode bar is commonly used across many Mercury and Mariner outboards, sterndrives, offshore gearcases, lower units, and transom bracket applications. TecnoSeal is a respected marine corrosion protection manufacturer known for producing dependable sacrificial anodes for marine engines and drives.
Common Compatible Applications
| Application Type | Common Usage | Anode Location | OEM References |
|---|---|---|---|
| Mercury / Mariner Outboards | Various 2-Stroke, EFI, Optimax, Verado & FourStroke Models | Transom Bracket / Lower Unit | 43396A1, 8M0059343, 818298Q1 |
| Mercury Offshore Gearcases | Select Offshore & High Horsepower Applications | Bracket / Gearcase Area | 818298A1, 818298T1 |
| Mercury Sterndrives | Select Alpha & Bravo Applications | Transom / Drive Assembly | 43396A2, 818298 |
| Mercury FourStroke Applications | Select Modern FourStroke Outboards | Bracket / Lower Unit Area | 8M0059343, 8M0172259 |
Mercury used this rectangular transom anode style across many different outboards, offshore gearcases, transom brackets, and sterndrive applications.
Because Mercury reused these anode designs across multiple engine families and drive systems, the best way to confirm fitment is by matching your original anode shape and OEM part number.
OEM references include: 43396A1, 43396A2, 8M0059343, 8M0172259, 818298, 818298A1, 818298Q1, 818298T1, and 8182981.
OEM Part Numbers & Cross References
| Manufacturer | Part Number |
|---|---|
| TecnoSeal | 6249Z |
| Mercury / Quicksilver | 43396A1 |
| Mercury / Quicksilver | 43396A2 |
| Mercury / Quicksilver | 8M0059343 |
| Mercury / Quicksilver | 8M0172259 |
| Mercury / Quicksilver | 818298 |
| Mercury / Quicksilver | 818298A1 |
| Mercury / Quicksilver | 818298Q1 |
| Mercury / Quicksilver | 818298T1 |
| Mercury / Quicksilver | 8182981 |
| Aftermarket Cross Reference | 18-6099 |
What This Zinc Anode is Used For
The TecnoSeal 6249Z zinc transom anode bar helps protect compatible Mercury outboards and sterndrives from galvanic corrosion and electrolysis.
This rectangular bar-style anode is commonly mounted on transom brackets, lower units, drive assemblies, and gearcase areas where sacrificial corrosion protection is required.
Zinc anodes are commonly chosen for boats operated primarily in saltwater. Routine inspection and replacement helps maintain corrosion protection around aluminum housings, brackets, and drive components.
Zinc Anode Benefits
- Commonly preferred for saltwater use
- Helps reduce galvanic corrosion and electrolysis damage
- Common Mercury rectangular transom anode style
- Durable zinc construction
- Easy replacement during routine maintenance
Need the Aluminum Version?
TecnoSeal 6249K Aluminum Transom Anode Bar
For customers who prefer aluminum anodes for freshwater, brackish water, or mixed-use boating, the aluminum version of this transom anode bar is also available.
View Aluminum VersionKey Features and Benefits
- TecnoSeal zinc transom anode bar
- Replaces Mercury 43396A1, 43396A2, 8M0059343, and 8M0172259
- Replaces Mercury 818298, 818298A1, 818298Q1, 818298T1, and 8182981
- Used on many Mercury outboard and sterndrive applications
- Common rectangular bar-style anode design
- Fits many transom bracket, lower unit, and drive assembly applications
- Helps protect against galvanic corrosion and electrolysis
- Reputable TecnoSeal marine corrosion protection product
Part Details
- Part Number: 6249Z
- Manufacturer: TecnoSeal
- Product Type: Zinc Transom Anode Bar
- Material: Zinc
- Install Location: Transom Bracket / Lower Unit / Drive Assembly
- Recommended Water Type: Saltwater
- Mercury Cross References: 43396A1, 43396A2, 8M0059343, 8M0172259, 818298, 818298A1, 818298Q1, 818298T1, 8182981
- Aftermarket Cross Reference: 18-6099
FAQ
What does TecnoSeal 6249Z replace?
This zinc anode replaces Mercury 43396A1, 43396A2, 8M0059343,
8M0172259, 818298, 818298A1, 818298Q1, 818298T1, and 8182981.
What Mercury applications use this anode?
This rectangular transom anode style is commonly used across many Mercury
and Mariner outboards, offshore gearcases, transom brackets, and select
sterndrive applications.
Where does this anode install?
Depending on the application, this anode installs on the transom bracket,
lower unit, gearcase, or drive assembly.
Why choose zinc instead of aluminum?
Zinc anodes are commonly chosen for saltwater use. Aluminum anodes are
often preferred for freshwater, brackish water, or mixed-use applications.
Is there an aluminum version available?
Yes. The TecnoSeal 6249K aluminum version is linked above.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1-5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Anodes must be new, unused, and uninstalled.
- Items must be returned in original packaging when applicable.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
6249Z, TecnoSeal 6249Z, Mercury 43396A1 zinc, Mercury 43396A2 zinc, Mercury 8M0059343 zinc, Mercury 8M0172259 zinc, Mercury 818298 zinc, Mercury 818298A1 zinc, Mercury 818298Q1 zinc, Mercury 818298T1 zinc, Mercury 8182981 zinc, Mercury zinc transom anode, Mercury zinc bar anode, Mercury zinc lower unit anode, Mercury zinc bracket anode, Mercury sterndrive zinc anode, Mercury Alpha zinc anode, Mercury Bravo zinc anode, Mercury offshore gearcase zinc anode, zinc transom anode, TecnoSeal Mercury zinc anode, 18-6099, 6249K aluminum version