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Description
OEM Ford Mazda Friction Washer for Crank Cam Diamond encrustedCross reference ford 1s7z 6378 AA Mazda L3H5 11 407 Found on Ford Duratec I4 DOHC engines 2. 0 2. 3 2. 5 2001 present Ford Ecoboost I4 DOHC Turbo engines 2. 0 2. 3 2012 present ST RS Mazda MZR I4 DOHC Engines 2. 0 2. 3 2. 5 2003 2014 Mazda DISI Turbo engines 2007 2014 Mazdaspeed MS3 MS6 CX 7 These diamond crusted washers add copious amounts of friction to avoid loosening of critical engine components found on many Ford and Mazda engines. Typically one
Cross reference ford - 1s7z-6378-AA
Mazda L3H5-11-407
Found on Ford Duratec I4 DOHC engines 2.0 2.3 2.5 2001- present
Ford Ecoboost I4 DOHC Turbo engines 2.0 2.3 2012 - present ST RS
Mazda MZR I4 DOHC Engines 2.0 2.3 2.5 2003-2014
Mazda DISI Turbo engines 2007-2014 Mazdaspeed MS3 MS6 CX-7
These diamond crusted washers add copious amounts of friction to avoid loosening of critical engine components found on many Ford and Mazda engines. Typically one between the crank pulley and the cam timing chain drive pulley and one between the crank pulley and crank bolt, but also another on the multi piece mazdaspeed engine timing gears. Mazda engine also typically use them on the cam gear bolt position.
A better solution is to key your crankshaft and timing chain drive gear
(see our other items), but if you need these, here they are. These are considered one time use by the OEMs. SOLD EACH / Individually
(see our other items), but if you need these, here they are. These are considered one time use by the OEMs. SOLD EACH / Individually
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4.5 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Cheap, and effective!
Color: Black, Number Of Shelves: 4, Size: 15.7in
Looks good, works great, low cost. I'll be purchasing more in the future.
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Reviewed in the United States on May 12, 2026
★★★★★ 4
Cute for coffee bar!
Color: Black, Number Of Shelves: 4, Size: 15.7in
Great for above my coffee bar. Easy to mount and align. Seems stable!
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Great shelves, strong, secure, sturdy, decent size, unbeatable price.
Color: White, Number Of Shelves: 4, Size: 15.7in
Easy installation fits where we wanted them. Stable strong secure snug fit. Cleans easily with dust wipe. I would recommend buying these.
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Reviewed in the United States on May 19, 2026
★★★★★ 3
The shelves sag away from the wall overtime
Color: White, Number Of Shelves: 2, Size: 15.7in, Color: White, Number Of Shelves: 2, Size: 15.7in
Although the wood quality and finish of the shelf are clean and well-made, the main issue is that the shelves begin to sag over time while holding around 10 pounds, even though the product listing claims they can support up to 20 pounds. They may perform better on a brick wall, but on drywall you should be cautious.
To fix the problem, I had to purchase floating shelf brackets for support, which solved the sagging issue. However, this defeats the purpose of the “floating” aesthetic. Since the shelf is in my bedroom, I can overlook it, but I personally wouldn’t install these in a common area if I wanted a clean floating look.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Love this
Color: Rustic Brown, Number Of Shelves: 4, Size: 15.7in
Love these shelves so easy to put up so beautifully made and really enjoy the way they set on my wall very sturdy also!
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Reviewed in the United States on May 21, 2026