Description
Comparison points and tradeoffs
When comparing Sierra International 18-2658 Marine Lower Unit Seal Kit for Johnson/Evinrude Outboard Motor with other Seal Kits options, use this source-backed detail as the primary discriminator: Referenced part number: 18-2658.
Use this second fact to evaluate the tradeoff: Sierra part number: 18-2658. A third point to compare across alternatives is: Category: Replacement Parts / Fuel System / Fuel Injection / Fuel Injectors & Parts / Seal Kits.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
Source product highlights
About this item
- Sierra Lower Unit Seal Kit
- Meets or exceeds the original equipment quality
- Sierra part number: 18-2658
- Interchangeable with the following: GLM 87680, Evinrude/Johnson 0396351 and Mallory 9-74101
- Fit specific, check part numbers to ensure proper fit
Vehicle information
Available fitment details
Listing compatibility notes
- About this item Sierra Lower Unit Seal Kit Meets or exceeds the original equipment quality Sierra part number: 18-2658 Interchangeable with the following: GLM 87680, Evinrude/Johnson 0396351 and Mallory 9-74101 Fit specific, check part numbers to ensure proper fit OEM: OMC 396351
Fitment data is provided as a buying aid. Verify the listing against your vehicle and existing part before ordering.
Selection, alternatives, tradeoffs, upgrades, and direct replacements
Buying guidance
Quick decision
Use the supplied facts to compare this seal kits with direct replacements and nearby alternatives.
Choose this if
- The listed specifications and referenced numbers match the part you need.
- The package contents cover the repair without missing required components.
Consider another option if
- Your vehicle, connector, side, dimensions, or part number do not match the listing.
- You need a different package quantity, material, or variation.
Before you buy
- Verify the referenced part number: 18-2658.
- Compare the listing title, photos, package contents, and specifications with the part being replaced.
- Confirm vehicle compatibility and installation requirements before ordering.
Customer feedback
Ratings and written reviews
3.9 / 5
20 source ratings
Source: Amazon. Imported marketplace feedback is shown for product research and is not a review of a purchase made on this website.
Mark A. Fisher –
Should have shift rod seal and bushing to be a complete set!
Ron H –
A couple of the o rings were too thin, But the kit is about the same price as the 4 seals so it is a good deal.
William Edester –
like new as described
Pitcher’s Pro Repair –
Direct replacement… Very happy with the product.
ruth benware –
fits perfectly
Luke –
i fixed my lower main seal leak with this kit.
William Ensey –
great products
Sgt Brt123 –
Very nice kit will buy from again