SKU: 11958491442

Mack Insulator Spacer Block E-3689 M878

Sale price$10.79 Regular price$11.99
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Ships within 48 hours · Estimated delivery Jun 16 - Jun 21

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Description

Mack Insulator Spacer Block E-3689 M878Insulator Spacer Block E 3689 Same As Dayton 338 729, Network MA10A, Automann M878, Euclid E 3689, Gaumers 06450, Batco 09 7520, Mack 13QK246, Haldex CS71637, Flagg E316, Flagg E316 62, BWP M 2918, Transport M12D, Automann M878, UCF Impex RSE 316, UCF Impex SE 316, UCF Impex SE 316 62, Leland SB1522. Dayton 338 729.

Mack Insulator Spacer Block E-3689 M878
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
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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]
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SKU: 11958491442

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4.5 ★★★★★
Based on 1095 reviews
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Product Reviews
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Verified Purchase
runnelsrocks
West Palm Beach, US
★★★★★ 5
Just give them a little bit of extra time to fluff they will
Size: Standard - 18" X 26", Number of Items: 2
Whatever you do just give it time. When I first open the package of pillows I purchased for they were super flat and for the next couple days they didn't seem to fluff and I was going to do a return. I waited about a week and Amanda these things fluff up and they are nice and sturdy now. I'm glad I waited and gave them time worth the purchase. Recommend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026
E
Verified Purchase
Emm!
New York, US
★★★★★ 5
A product that will make a difference!
Color: White, Size: King (Pack of 2)
These king-size pillows are incredibly comfortable and supportive. They are soft enough to feel luxurious, yet they provide great support for my head and neck throughout the night. The king size is perfect for a larger bed and gives the bed a full, hotel-like appearance. The pillows keep their shape well and fluff up nicely after use. I've been sleeping much better since getting them and would definitely recommend them to anyone looking for quality, comfortable pillows.
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Reviewed in the United States on June 3, 2026
R
Verified Purchase
Roman P
Lexington, US
★★★★★ 5
A must have♥️❤️
Color: White, Size: King (Pack of 4)
These pillows are amazing They’re plush and extremely comfortable. I love them.
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Reviewed in the United States on June 9, 2026
M
Verified Purchase
Mimis cake school
Lowell, US
★★★★★ 5
Finally! Comfy pillows for a😴good night sleep
Color: White, Size: Queen (Pack of 4)
Just wow!! Looking for new pillows that are comfortable & hold their shape. These are it ! I love anything by utopia. And these pillows did not disappoint. Great value. Feels like a high end pillow. As a side sleeper these are a keeper. Highly recommend. And ill be purchasing more!
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Reviewed in the United States on May 18, 2026
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Verified Purchase
Jennifer Kuhns
Grantham, US
★★★★★ 4
Soft...but fluffy and tall
Color: White, Size: Standard (Pack of 2)
I've only had these pillows for about a week. They are a great quality pillow. The cover is soft and seems well made. My only complaint is that they are VERY full pillows. If you're tall with broader shoulders, you'll probably love them. If you're shorter with a smaller frame you will probably feel like your head is too high and your neck at a weird angle (my problem). There seemed to be mixed reviews about softness....I would consider these a nice medium pillow. Soft filling but firm enough that your head doesn't sink to the bed. Definitely NOT a down-like pillow, so if that's what you're looking for, this is not for you.
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Reviewed in the United States on April 10, 2026

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