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Description
Vintage - Metal Unpainted Synchronizer Assembly - J0640391Overview: Synchronizer Assembly Direct Replacement Crown supports its entire line with a 12 month warranty Application: Year Make Model Submodel Engine Size 1945 Jeep Willys 1959 1966 Jeep CJ3 1957 1964 Jeep FC150 1957 1964 Jeep FC170 1966 1971 Jeep Commando 1951 1952 Willys 4 73 Sedan Delivery 1965 1971 Jeep J 100 1953 1955 Willys 4 75 Sedan Delivery 1965 1971 Jeep J 2500 1965 Jeep J 200 1965 Jeep J 210 1959 1983 Jeep CJ5 1959 1975 Jeep CJ6 1949 1958
Overview:
Synchronizer Assembly- Direct Replacement
- Crown supports its entire line with a 12-month warranty
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1945 | Jeep | Willys | ||
| 1959 - 1966 | Jeep | CJ3 | ||
| 1957 - 1964 | Jeep | FC150 | ||
| 1957 - 1964 | Jeep | FC170 | ||
| 1966 - 1971 | Jeep | Commando | ||
| 1951 - 1952 | Willys | 4-73 Sedan Delivery | ||
| 1965 - 1971 | Jeep | J-100 | ||
| 1953 - 1955 | Willys | 4-75 Sedan Delivery | ||
| 1965 - 1971 | Jeep | J-2500 | ||
| 1965 | Jeep | J-200 | ||
| 1965 | Jeep | J-210 | ||
| 1959 - 1983 | Jeep | CJ5 | ||
| 1959 - 1975 | Jeep | CJ6 | ||
| 1949 - 1958 | Jeep | Willys | CJ-3 | |
| 1965 - 1969 | Jeep | Gladiator | ||
| 1946 - 1949 | Jeep | Willys | CJ-2 | |
| 1955 - 1958 | Jeep | Willys | CJ-5 | |
| 1965 - 1971 | Jeep | Wagoneer | ||
| 1965 - 1970 | Jeep | J-3600 | ||
| 1965 - 1970 | Jeep | J-3700 | ||
| 1965 - 1971 | Jeep | J-3800 | ||
| 1970 - 1971 | Jeep | J-4500 | ||
| 1970 - 1971 | Jeep | J-4600 | ||
| 1970 - 1971 | Jeep | J-4700 | ||
| 1970 - 1971 | Jeep | J-4800 | ||
| 1965 | Jeep | J-220 | ||
| 1965 | Jeep | J-230 | ||
| 1965 - 1971 | Jeep | J-2600 | ||
| 1965 - 1970 | Jeep | J-2700 | ||
| 1965 | Jeep | J-300 | ||
| 1965 | Jeep | J-310 | ||
| 1965 | Jeep | J-320 | ||
| 1965 | Jeep | J-330 | ||
| 1965 - 1970 | Jeep | J-3500 | ||
| 1956 - 1958 | Jeep | Willys | CJ-6 |
Specs:
Additional Information:
| SKU Number : | J0640391 |
|---|---|
| Brand : | Crown Vintage |
| UPC : | 848399052091 |
| Part Type : | Synchronizer Assembly |
| Dimension : | 2.00(L) X 4.00(W) X 5.00(H) |
| Weight : | 1.90 lbs. |
| Color : | Unpainted |
| Material/Finish : | Metal |
| Sold AS : | Each |
|---|---|
| Quantity Required : | 1 |
| Warranty : | 12 Month |
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Exchange/Return Notes
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4.4 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Look good and do the job
Size: 11.25 INCH
Great sturdy bracket.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2026
★★★★★ 5
Great for bookshelves!
Size: 9.25 INCH
Heavy duty and super sturdy. The brackets feel solid and well made, and once installed they hold shelves very securely. Great quality and exactly what I was looking for for an industrial-style shelf setup.
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Reviewed in the United States on January 24, 2026
★★★★★ 5
Great feel and quality, will buy again
Size: 5.5 INCH
These are gorgeous! The thick, heavy look and feel that I was hoping for, great screws to match (we used different anchors, since the provided anchors are not the strongest style). Similar ones at the local big-name hardware store are at least three times the price and are no better quality. I would (and will) definitely buy these again for more projects.
Originally bought the six of these even though I only needed two because the price was still the best I could find, and ended up using all six almost immediately. They look so good, I found more projects for them!
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Reviewed in the United States on March 28, 2025
★★★★★ 4
Nice looking. A bit too much flexibility. Did the job.
Size: 11.25 INCH, Size: 11.25 INCH
We made use of these shelving brackets in our kitchen remodel. They turned out great. We used 2x12 Douglas Fur boards that were sanded and painted to show contrast with the brackets. The brackets installed easy enough with a level, tape measure, pencil, and a drill for pilot holes.
Other reviewers are correct: the mounting screws that come with it are essentially junk. I had read this and ordered black wood screws ahead of time with the hopes of returning them. I used the 1" screws to secure the shelving to the brackets. The 2-1/2" screws get to go back as we were able to use the included screws to secure the brackets to the wall. But, two of the first three heads on the 1" screws popped off... so, we quickly moved away from those included.
There is a little more flex in the brackets than I had expected... they're just a little too thin for 11-1/2" shelves. It won't affect anything for us as we'll just be placing dry food and canned goods on them in our pantry. But, if I were using them for the garage or the shop I'd probably buy a different brand OR decrease the space between brackets. I spaced mine out 12" from each edge and then 12" on center. Works well for our pantry.
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Reviewed in the United States on September 8, 2020
★★★★★ 5
Real good quality. Better price then Menards. Missing screws.
Size: 5.5 INCH
Real good quality, very sturdy, and it came with screws and drywall anchors. I would recommend. Only thing is it came with twice the drywall anchors that I needed and missing 2 screws. Not a big deal for me, but someone without screws laying around would have to buy a whole box for 2 screws. Other then that, it’s a good product and would buy again.
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Reviewed in the United States on October 23, 2023
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