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Description
* 8M6002988 Mercury Marine/Quicksilver Optimax Diaphragm Service Assy/240D8M6002988 Mercury Marine Quicksilver Optimax Diaphragm Service Assy This genuine replacement Mercury Diaphragm 8M6002988 regulates fuel pressure to the engine, keeping your engine running strong. It fits a range of Mercury TwoStroke and Diesel outboards. This genuine replacement Mercury Diaphragm 8M6002988 regulates fuel pressure to the engine, keeping your engine running strong. It fits a range of Mercury TwoStroke and Diesel outboards. Fits the
8M6002988 Mercury Marine/Quicksilver Optimax Diaphragm Service Assy/
This genuine replacement Mercury Diaphragm 8M6002988 regulates fuel pressure to the engine, keeping your engine running strong. It fits a range of Mercury TwoStroke and Diesel outboards.
- This genuine replacement Mercury Diaphragm 8M6002988 regulates fuel pressure to the engine, keeping your engine running strong. It fits a range of Mercury TwoStroke and Diesel outboards.
- Fits the following Mercury OptiMax TwoStroke outboards: 1.5L 75- 125hp (serial No. 1B417702-2B112787), 2.5L 115-150hp (0G960500-0T178499), 2.5L 125-175hp (1B736885-2B112787), and 3.0L 200-300hp Pro XS and XS (1B504989-2B535571)
- Also fits Mercury 3.0L Diesel DSI (1E052967 and up) and Jet-Powered 3.0L DFI (1E003046 and up) outboards
- Includes diaphragm assembly and instruction sheet
- Material tested for durability and longevity in tough marine environments
- Mercury parts and accessories are backed by decades of experience in engineering, testing and manufacturing to provide the best fit, function and performance
Item Supersession Chain:
| Row | Class | Part Number | SS Level | Disp | Description |
|---|---|---|---|---|---|
| 1 | 98 | 8M6002988 | 00 | ACT | DIAPHRAM KIT |
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 3
Fabric way to heavy.
Fit Type: Regular, Size: Medium, Color: White
Cute, but material is WAY to heavy, like the heaviest duty denim I've ever seen. Wanted this to be a cute coverup. If you're needing something while breaking broncos or riding your motorcycle would probably be great. I kept it for a while because it was good quality and well made, but it ended up in the donation pile as I'd never wear this.
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Reviewed in the United States on June 10, 2026
★★★★★ 5
Awesome jacket
Fit Type: Regular, Size: Medium, Color: Stone Dark Wash
Love it so not too long or too short but just right and the color is out of sight and fits awesome
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Reviewed in the United States on June 12, 2026
★★★★★ 5
Old school denim — not stretchy
Fit Type: Regular, Size: X-Small, Color: Authentic Medium Wash
Fabric used is old school denim — not the thin, stretchy stuff that pretty much everything called “denim” is today. It is 99% cotton (20% of which is recycled cotton) and 1% elastane, but I can’t feel any stretch in the fabric. It is a substantial, non-stretchy denim that gives the jacket really good structure. It has a higher end fit and look than the price would suggest.
I wanted a more fitted denim jacket so ordered an XS even though according to the size chart I need a small. (I have a 34.5” bust, 28” waist at 118 pounds 5’4”.) It still buttons over a t shirt or lightweight sweater with freedom for movement/without being tight, but if I wanted a roomy fit or the ability to wear a heavier sweater or sweatshirt underneath and still be able to comfortably button it I would have needed a small. The shoulders are cut broad — I have very broad shoulders and the XS surprisingly fits my shoulders well. This jacket may not be the greatest fit for you if you have very narrow shoulders, unless you are going for an oversized look.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
made well
Fit Type: Regular, Size: Large, Color: Iced Light Wash
I couldn't get this in my size (medium) so I ordered large. it's a little large in the shoulders, but it still looks good. it is a well made, substantial jacket. I love it!
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Reviewed in the United States on June 12, 2026
★★★★★ 5
Stylish Denim Look Dress
Size: Large, Color: Rinse
Great quality for the price. The skirt is fuller than expected but still looks good!!
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Reviewed in the United States on May 3, 2026