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Description
#815921A21 Mercury Marine Quicksilver Bushing Assembly /225E815921A21 Mercury Marine Quicksilver Bushing Assembly Sierra Part 18 2353 Item Supersession Chain: Shift shaft bushing kit 815921A21 is for use on MerCruiser Alpha One Gen II sterndrives. The kit includes the housing pieces, seals and zip tie. See your owner's manual or service manual for specific application and instructions. For use on MerCruiser Alpha One Gen II sterndrives Five piece shift shaft bushing kit includes housing pieces, seals, and zip
815921A21 Mercury Marine Quicksilver Bushing AssemblyÂ
Sierra Part 18-2353
Item Supersession Chain:Shift shaft bushing kit 815921A21 is for use on MerCruiser Alpha One Gen II sterndrives. The kit includes the housing pieces, seals and zip tie. See your owner's manual or service manual for specific application and instructions.
- For use on MerCruiser Alpha One Gen II sterndrives
- Five-piece shift shaft bushing kit includes housing pieces, seals, and zip tie
- See your owner's manual or service manual for specific applications and instructions
- 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.
| Row | Class | Part Number | SS Level | Disp | Description |
|---|---|---|---|---|---|
| 1 | 23 | 815921A21 | 00 | ACT | BUSHING ASSY |
| 2 | 23 | 815921A17 | 01 | SS | BUSHING ASSY |
| 3 | 23 | 815921A10 | 02 | SS | BUSHING ASSY |
| 4 | 23 | 815921A8 | 03 | SS | BUSHING ASSY |
| 5 | 23 | 815921A6 | 04 | SS | BUSHING ASSY |
| 6 | 23 | 815921A2 | 05 | SS | BUSHING ASSY |
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4.9 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Wood cutting boatds
Color: Carbonized, Size: 3-piece
These are great cuting boards. I love the different sizes. Great quality product, easy to use, easy to clean, sturdy, bamboo material is great.
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Reviewed in the United States on May 29, 2026
★★★★★ 4
Awesome Boards….BUT the Smell!!!!
Color: Carbonized, Size: 3-piece
I’d love to give these 5 stars, they are heavy, well made, smooth, deep juice grooves, just nice….but the smell! I washed them, then used vinegar on them, set them outside over night, washed them again….its better but still present. I’d love some guidance on this. I’m hoping it goes away in a few days. It’s like a very strong woodsy smell that actually made my whole kitchen smell like these boards!
Edit: Ok, here's what I did. Washed, let dry, coated and scrubbed with apple cider vinegar, set them in a high air flow area for 24 hours (I put mine outside on the patio over night), washed and scrubbed again, let dry, scrubbed with lemons and salt, let dry, washed again. Finally, there is still a slight smell if you push them against your nose but that seems to be fading as well. So, great boards if you want to go stubbornly go through the smell removal process. I don't think it's a chemical smell, I think it's processed bamboo that is shrink wrapped in air tight packaging too soon after manufacturing. Anyway, I'll move this to 4 stars....but lots of work involved here!
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Obsessed with these boards!!
Color: Carbonized, Size: 3-piece
I love these cutting boards! It’s one of those items you don’t even know you need until you get them. Three perfect smaller sizes that can be used for so many different serving ideas. Great quality, great price. Definitely worth the buy!!!!
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Economical and descent for price
Color: Carbonized, Size: 3-piece, Color: Carbonized, Size: 3-piece
Pleased with price, style, color, and the 3 sizes of these carbonized bamboo cutting boards. Based on the reviews had the expectation of the "smell", which is the oil used to seal the cutting boards. (I suspect linseed oil was used based on the lingering smell, as the off-gasing process is longer. It's also cheaper than Tung oil and food grade mineral oil.) I work with wood and various oil sealants so the smell is a non-issue. As there are natural ways to speed that process up and minimize the smell. In addition, I will be using fractionated coconut oil or food grade mineral oil to seal cutting boards on a regularly basis (monthly or more frequent). As we live in a dry climate, hard water, and frequent use.
Appreciate the other reviews which lead to our purchase and reasonable expectation of these cutting boards.
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Reviewed in the United States on May 28, 2026
★★★★★ 4
Good but wood smell
Color: Carbonized, Size: 3-piece
These came with a woodsy smell but the price was great for the quality
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Reviewed in the United States on May 8, 2026