S2K Commerce - Products Dropdown
Actions
S2K Commerce - Order Entry
Actions
Mercury Transom Anode Bar 43396A1 818298Q1 8M0059343
Mercury 40-300hp
| Quantity | Price |
| 1 | 20.33 |
TecnoSeal Aluminum Transom Anode Bar
TecnoSeal 6249K Mercury Transom & Lower Unit Aluminum Anode
The TecnoSeal 6249K aluminum transom anode bar replaces multiple Mercury and Quicksilver OEM part numbers including 43396A1, 43396A2, 8M0059343, 8M0172259, 818298, 818298A1, 818298Q1, 818298T1, and 8182981.
This rectangular aluminum anode bar is commonly used across a broad range of Mercury and Mariner outboards, sterndrives, offshore gearcases, and transom bracket applications. TecnoSeal is a respected marine corrosion protection manufacturer known for producing high-quality 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 | 6249K |
| 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 Anode is Used For
The TecnoSeal 6249K aluminum 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.
Sacrificial anodes are designed to corrode before expensive aluminum housings, brackets, and drive components. Routine inspection and replacement helps maintain proper corrosion protection.
Aluminum Anode Benefits
- Suitable for freshwater and saltwater use
- Helps reduce galvanic corrosion and electrolysis damage
- Common Mercury rectangular transom anode style
- Long-lasting aluminum alloy construction
- Easy replacement during routine maintenance
Prefer a Zinc Version?
TecnoSeal 6249Z Zinc Transom Anode Bar
Customers operating primarily in saltwater sometimes prefer zinc anodes. The zinc version of this transom anode bar is also available.
View Zinc VersionKey Features and Benefits
- TecnoSeal aluminum 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 and lower unit applications
- Helps protect against galvanic corrosion and electrolysis
- Reputable TecnoSeal marine corrosion protection product
Part Details
- Part Number: 6249K
- Manufacturer: TecnoSeal
- Product Type: Aluminum Transom Anode Bar
- Material: Aluminum
- Install Location: Transom Bracket / Lower Unit / Drive Assembly
- Water Type: Freshwater & Saltwater
- Mercury Cross References: 43396A1, 43396A2, 8M0059343, 8M0172259, 818298, 818298A1, 818298Q1, 818298T1, 8182981
- Aftermarket Cross Reference: 18-6099
FAQ
What does TecnoSeal 6249K replace?
This aluminum 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.
Can this aluminum anode be used in saltwater?
Yes. Aluminum anodes are commonly used in both freshwater and saltwater environments.
Is there a zinc version available?
Yes. The TecnoSeal 6249Z zinc 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
6249K, TecnoSeal 6249K, Mercury 43396A1, Mercury 43396A2, Mercury 8M0059343, Mercury 8M0172259, Mercury 818298, Mercury 818298A1, Mercury 818298Q1, Mercury 818298T1, Mercury 8182981, Mercury transom anode, Mercury aluminum bar anode, Mercury lower unit anode, Mercury bracket anode, Mercury sterndrive anode, Mercury Alpha anode, Mercury Bravo anode, Mercury offshore gearcase anode, aluminum transom anode, TecnoSeal Mercury anode, 18-6099