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Protorque Mercury / Mariner 90-300 HP 9 Amp Stator - PH400-0003, 398-2121A17

Marsoni M251S
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Protorque Mercury / Mariner 90-300 HP 9 Amp Stator - PH400-0003, 398-2121A17ITEM#: PH400 0003 STATOR MERCURY MARINER 90 300 HP 9 AMP 73 88 OEM#: 398 2121A17, 398 5454A17 BRAND: PROTORQUE FITMENTS: Make Model Year(s) Mariner ALL Mercury 6 Cyl 2. 875 Bore Cross Flow 115 1973,1979 1988 Mercury 6 Cyl 2. 875 Bore Cross Flow 140 1979 1980 Mercury 6 Cyl 2. 875 Bore Cross Flow 90 1979 1986 Mercury 6 Cyl 3. 125 Bore 2L 150 1978 1985 Mercury 6 Cyl 3. 125 Bore 2L 175 1976 1980 Mercury 6 Cyl 3. 375 Bore 2. 4L 200 1978 1980 Mercury 6 Cyl
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4.7 ★★★★★
Based on 1900 reviews
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Verified Purchase
Jerry
Natrona Heights, US
★★★★★ 5
Nice Pillows!
Size: King (Pack of 2), Color: Original White
Very nice, quality pillows. They came compressed but expanded very quickly when the plastic wrapping was removed. They are a bit firm but are very comfortable and soft. Very pleased with the pillows.
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Reviewed in the United States on May 1, 2026
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Verified Purchase
Sharon M.
Lowell, US
★★★★★ 4
Comfortable, cool and doesn't go flat.
Size: Standard (Pack of 1), Color: Original White
Great pillow. It stays cooler than most and it doens't go flat. The memory foam is firm enough that your head doesn't sink into it but soft enough for a good night sleep. Before I was fluffing and flipping my pillow all the time to get the cool spots and not feel like it was flat. This is my 2nd purchase, my son liked mine so much that I got him one too. It's good value for the price and I would definitely recommend it.
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Reviewed in the United States on February 23, 2026
S
Verified Purchase
Sello
Phoenix, US
★★★★★ 5
Great pillow
Size: King (Pack of 2), Color: Original White
Extremely satisfied. Comfortable. Soft but maintains support of my head and neck. Well made. High quality. Highly recommend.
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Reviewed in the United States on May 16, 2026
K
Verified Purchase
Kristen Dickinson
Draper, US
★★★★★ 5
Firm for the Win- A pillow that provides support and value!
Size: Standard (Pack of 1), Color: Original White
If you are a firm pillow kind of person... and don't want to spend hundreds on a name brand pillow, then this one is a clear winner! Ideal for back and side sleepers, this pillow seems to adjust to your body over time- becoming more comfortable with more nights spent with it (kind of like a hotel pillow- the first night you're not sure, then you sleep like a baby when you get used to it!). My husband—an avid memory foam pillow fan—was pleasantly surprised. It took a night or two to adjust, but once he did, this cool pillow’s contours supported his neck beautifully whether he was on his back or side (especially when I nudged him to stop snoring!). This pillow seems best suited for folks who need a bit more elevation—those with broader shoulders or who prefer higher neck support. It feels solid and delivers the firm support many sleepers crave. If you lean toward soft, squishy down pillows, this may not be your match. It’s ultra-firm and structured, not plush or compressible. But if firm is your jam, this pillow punches above its price point.
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Reviewed in the United States on November 3, 2025
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Verified Purchase
Amazon Customer
Lexington, US
★★★★★ 3
Nice pillow but now really cooling
Size: King (Pack of 1), Color: Original White
So I got the king size bed not realizing how big it was. So that’s a plus if you’re looking for a large pillow. However, it was too big for me so I will be returning. I also wasn’t impressed with the cooling feature. I have a cooling pillow that truly feels cool and this isn’t it. But the memory foam part of this was excellent. It came out of the packaged and within minutes was fluffy and ready for use. Aside from the size and cooling, I’d recommend this pillow. But I get hot at night so I’d like something more cooling.
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Reviewed in the United States on April 23, 2026

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