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Description
Mr. Gasket Rear Main Seal - 1968Overview: This Mr. Gasket Rear Main Seal is made from silicone to allow the seal to handle extreme engine oil temperature. It also provides for an upgrade for that leaky rope style seal and is a direct replacement for a rubber main seal. It's also injection molded for a precise fit. Features: Application: Year Make Model Submodel Engine Size 1968 1974 Plymouth Fury II 440 7. 2 V8 1972 1978 Plymouth Fury 400 6. 6 V8 1968 1978 Plymouth Fury 440 7. 2 V8
Overview:
This Mr. Gasket Rear Main Seal is made from silicone to allow the seal to handle extreme engine oil temperature. It also provides for an upgrade for that leaky rope style seal and is a direct replacement for a rubber main seal. It's also injection molded for a precise fit.
Features:
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1968 - 1974 | Plymouth | Fury II | 440/7.2 V8 | |
| 1972 - 1978 | Plymouth | Fury | 400/6.6 V8 | |
| 1968 - 1978 | Plymouth | Fury | 440/7.2 V8 | |
| 1972 - 1974 | Plymouth | Fury II | 400/6.6 V8 | |
| 1968 - 1973 | Plymouth | Fury I | 440/7.2 V8 | |
| 1972 - 1974 | Dodge | D100 Pickup | 400/6.6 V8 | |
| 1968 - 1971 | Dodge | Charger | 426/7 V8 | |
| 1968 - 1974 | Dodge | Charger | 440/7.2 V8 | |
| 1972 - 1978 | Dodge | Charger | 400/6.6 V8 | |
| 1972 - 1974 | Dodge | D200 Pickup | 400/6.6 V8 | |
| 1965 - 1971 | Dodge | Coronet | 426/7 V8 | |
| 1973 - 1974 | Dodge | D200 Pickup | 440/7.2 V8 | |
| 1968 - 1976 | Dodge | Coronet | 440/7.2 V8 | |
| 1972 - 1976 | Dodge | Coronet | 400/6.6 V8 | |
| 1972 - 1974 | Dodge | D300 Pickup | 400/6.6 V8 | |
| 1973 - 1974 | Dodge | D300 Pickup | 440/7.2 V8 | |
| 1973 - 1974 | Dodge | D100 Pickup | 440/7.2 V8 | |
| 1974 | Dodge | M300 | 440/7.2 V8 | |
| 1974 | Dodge | M350 | 440/7.2 V8 | |
| 1966 - 1978 | Dodge | Monaco | 440/7.2 V8 | |
| 1972 - 1978 | Dodge | Monaco | 400/6.6 V8 | |
| 1966 - 1973 | Dodge | Polara | 440/7.2 V8 | |
| 1972 - 1973 | Dodge | Polara | 400/6.6 V8 | |
| 1974 - 1978 | Dodge | Ramcharger | 440/7.2 V8 | |
| 1974 | Dodge | W100 Pickup | 400/6.6 V8 | |
| 1974 | Dodge | W100 Pickup | 440/7.2 V8 | |
| 1965 | Dodge | Monaco | 426/7 V8 | |
| 1963 - 1965 | Dodge | Polara | 426/7 V8 | |
| 1974 | Dodge | W200 Pickup | 400/6.6 V8 | |
| 1974 | Dodge | W200 Pickup | 440/7.2 V8 | |
| 1963 - 1967 | Plymouth | Belvedere | 426/7 V8 | |
| 1966 - 1967 | Plymouth | Belvedere | 440/7.2 V8 | |
| 1970 - 1971 | Plymouth | Cuda | 426/7 V8 | |
| 1970 - 1971 | Plymouth | Cuda | 440/7.2 V8 | |
| 1963 - 1966 | Plymouth | Fury | 426/7 V8 | |
| 1963 | Plymouth | Fleet Special | 426/7 V8 | |
| 1972 - 1974 | Plymouth | Fury I | 400/6.6 V8 | |
| 1975 - 1978 | Chrysler | Cordoba | 400/6.6 V8 | |
| 1959 - 1975 | Chrysler | Imperial | ||
| 1959 - 1976 | Chrysler | New Yorker | ||
| 1966 - 1978 | Chrysler | Newport | 440/7.2 V8 | |
| 1972 - 1978 | Chrysler | Newport | 400/6.6 V8 | |
| 1972 - 1978 | Chrysler | New Yorker | 400/6.6 V8 | |
| 1972 - 1978 | Chrysler | New Yorker | 440/7.2 V8 | |
| 1972 - 1977 | Chrysler | Town & Country | ||
| 1975 - 1978 | Dodge | B200 | 440/7.2 V8 | |
| 1976 - 1978 | Dodge | B200 | 400/6.6 V8 | |
| 1975 - 1978 | Dodge | B300 | 440/7.2 V8 | |
| 1976 - 1978 | Dodge | B300 | 400/6.6 V8 | |
| 1976 - 1978 | Dodge | CB300 | 400/6.6 V8 | |
| 1968 - 1974 | Plymouth | Fury III | 440/7.2 V8 | |
| 1972 - 1974 | Plymouth | Fury III | 400/6.6 V8 | |
| 1972 - 1977 | Plymouth | Gran Fury | 400/6.6 V8 | |
| 1972 - 1977 | Plymouth | Gran Fury | 440/7.2 V8 | |
| 1968 - 1971 | Plymouth | GTX | 426/7 V8 | |
| 1967 - 1970 | Plymouth | GTX | ||
| 1968 - 1971 | Plymouth | Road Runner | 426/7 V8 | |
| 1969 - 1974 | Plymouth | Road Runner | 440/7.2 V8 | |
| 1968 - 1971 | Plymouth | GTX | 440/7.2 V8 | |
| 1965 - 1967 | Plymouth | Satellite | 426/7 V8 | |
| 1966 - 1974 | Plymouth | Satellite | 440/7.2 V8 | |
| 1972 - 1974 | Plymouth | Satellite | 400/6.6 V8 | |
| 1972 - 1975 | Plymouth | Road Runner | 400/6.6 V8 | |
| 1963 - 1964 | Plymouth | Savoy | 426/7 V8 | |
| 1970 | Plymouth | Superbird | 440/7.2 V8 | |
| 1974 - 1978 | Plymouth | Trailduster | 440/7.2 V8 | |
| 1967 | Plymouth | VIP | 440/7.2 V8 | |
| 1965 - 1967 | Plymouth | Belvedere II | 426/7 V8 | |
| 1967 | Plymouth | Belvedere II | 440/7.2 V8 | |
| 1965 | Plymouth | Fury III | 426/7 V8 | |
| 1965 | Plymouth | Fury II | 426/7 V8 | |
| 1959 - 1965 | Chrysler | 300 | 413/6.8 V8 | |
| 1963 | Chrysler | 300 | 426/7 V8 | |
| 1964 - 1965 | Dodge | 880 | 426/7 V8 | |
| 1967 - 1971 | Chrysler | 300 | ||
| 1966 | Chrysler | 300 | 440/7.2 V8 | |
| 1977 - 1978 | Dodge | CB300 | 440/7.2 V8 | |
| 1975 - 1978 | Dodge | D100 | 440/7.2 V8 | |
| 1976 - 1978 | Dodge | D100 | 400/6.6 V8 | |
| 1977 - 1978 | Dodge | D150 | 400/6.6 V8 | |
| 1978 | Dodge | D150 | 440/7.2 V8 | |
| 1975 - 1978 | Dodge | D200 | 440/7.2 V8 | |
| 1975 - 1978 | Dodge | D200 | 400/6.6 V8 | |
| 1976 - 1978 | Dodge | D300 | 400/6.6 V8 | |
| 1975 - 1978 | Dodge | D300 | 440/7.2 V8 | |
| 1978 | Dodge | D450 | 440/7.2 V8 | |
| 1978 | Dodge | D400 | 440/7.2 V8 | |
| 1978 | Dodge | Magnum | 400/6.6 V8 | |
| 1977 - 1978 | Dodge | Ramcharger | 400/6.6 V8 | |
| 1975 - 1977 | Dodge | Royal Monaco | 400/6.6 V8 | |
| 1975 - 1977 | Dodge | Royal Monaco | 440/7.2 V8 | |
| 1975 - 1977 | Dodge | W100 | 400/6.6 V8 | |
| 1975 - 1977 | Dodge | W100 | 440/7.2 V8 | |
| 1977 - 1978 | Dodge | W150 | 400/6.6 V8 | |
| 1978 | Dodge | W150 | 440/7.2 V8 | |
| 1975 - 1978 | Dodge | W200 | 440/7.2 V8 | |
| 1976 - 1978 | Dodge | W200 | 400/6.6 V8 | |
| 1976 - 1978 | Dodge | W300 | 400/6.6 V8 | |
| 1975 - 1978 | Dodge | W300 | 440/7.2 V8 | |
| 1976 - 1978 | Plymouth | PB200 | 440/7.2 V8 | |
| 1976 - 1978 | Plymouth | PB200 | 400/6.6 V8 | |
| 1976 - 1978 | Plymouth | PB300 | 440/7.2 V8 | |
| 1976 - 1978 | Plymouth | PB300 | 400/6.6 V8 | |
| 1977 - 1978 | Plymouth | Trailduster | 400/6.6 V8 | |
| 1963 | Chrysler | New Yorker | 413/6.7 V8 | |
| 1963 | Chrysler | New Yorker | 426/7 V8 | |
| 1959 - 1960 | Chrysler | Newport | ||
| 1962 - 1964 | Chrysler | Newport | 413/6.7 V8 | |
| 1963 | Chrysler | Newport | 426/7 V8 | |
| 1959 - 1965 | Chrysler | Town & Country | 413/6.7 V8 | |
| 1963 | Chrysler | Town & Country | 426/7 V8 | |
| 1968 - 1974 | Chrysler | Town & Country | 440/7.2 V8 | |
| 1963 - 1964 | Dodge | 330 | 426/7 V8 | |
| 1974 | Dodge | B100 Van | 440/7.2 V8 | |
| 1970 - 1971 | Dodge | Challenger | 440/7.2 V8 | |
| 1970 - 1971 | Dodge | Challenger | 426/7 V8 | |
| 1963 - 1964 | Dodge | 440 | 426/7 V8 | |
| 1974 | Dodge | B200 Van | 400/6.6 V8 | |
| 1974 | Dodge | B200 Van | 440/7.2 V8 |
Specs:
| Brand | Mr. Gasket |
|---|---|
| Emission Code | 5 |
| Engine | Chrysler Big Block B/RB |
| Engine | Chrysler Hemi (Gen II) |
| Material | Silicone |
| Product Type | Rear Main Seal |
| Rear Main Seal Style | Two Piece |
| Warranty | Limited 90 Day |
| Weight | 0.1 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Exceptional - Better than one twice the price
Size: 15.6" 1080P
I bought a different external monitor a few years ago for twice the price and it was abominable compared to this monitor. This monitor is absolutely perfect. The speakers are definitely tinny like others mentioned, so don't expect to DJ a party with this thing, but for work it's perfect since that means voices are clearer anyways. The sound just isn't as full/rounded with proper bass, but it doesn't even matter because there's also a headphone jack on the monitor, too. USB-C is a total game changer for powering and passing full audio-visual in a single port. The included cables are also a big win since getting a spare data USB-C cable can get pricey and I know the one included is guaranteed to work with this monitor. It was literally plug-and-play with my 2023 16" Macbook Pro. I could go on and on about how every detail of this monitor is perfect, like how the stand is also a screen protector cover and how light and easy it is to carry and how the little grippy feet hold it in place confidently, but my point is THIS is FINALLY the external monitor I've been looking for!!!
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Great purchase and recommend!
Size: 15.6" 1080P, Size: 15.6" 1080P
What a great product! First I’ll start by saying it’s very lightweight which is what I needed to fit in my bag. I bought two of them because I need three screens and I couldn’t be happier. Set up, one cord!!! No power cord needed pulls power from the laptop so that’s a huge win in my book! I love the size I love the case is attached. Definitely recommend
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Reviewed in the United States on June 9, 2026
★★★★★ 4
Works as advertised, but included USB-C cable was defective.
Size: 15.6" 1080P
This monitor performs great! Picture quality, brightness, all work as expected. When powered by a phone, you may have to limit the brightness below 80% if you don't attach extra power. The good news is, I can attach a power bank for the extra power, and any extra power not needed by the monitor will pass through and charge my phone.
I've tested this with my laptop, phone, and tablet, and it works great in all cases. One extra plus that I didn't expect, because it was not listed in the product description and also not mentioned in any reviews that I saw, is that this monitor has VESA compatible holes for a VESA mount hidden behind the magnetic cover on the back. Beautiful. If I ever decide to mount it to an arm I can do it.
All the advertised functionality works as expected with ONE exception. The USB-C cable that came with this monitor was faulty. It had a short across a couple of wires which could have caused damage to my phone had my phone not recognized it and alerted me of foreign object or water in the port. That water and foreign object warning basically means something is causing wires to be connected that shouldn't be and assumes you have a good cable. In my case, it was the cable itself that was faulty, and I used a tester to make sure.
While the description says "do not use other USB-C to USB-C cables", that is just to cover themselves, because many people will use a USB-C cable meant only for charging, or one that is not display compatible. I have cables of varying lengths that are Thunderbolt USB-C which all handle between 100-240W power, data up to 100Gbps, and displays up to 8K. I just used one of my cables and everything works just fine. If you're having trouble with your monitor, or intermittent connections with the monitor (I did before I got the warning) then you may have a bad cable. Get a quality cable and make sure it's rated for display port, high data throughput (ideally minimum 40Gbps), and decent power capacity. Some will work for data but not power. Some work with power but not data. Some work with power and data, but only one at a time. You have to flip the connector to go between modes. I don't know why they make those, and those that manufacture such garbage should be locked up, but that's another story for another day.
Bottom line is this. It's a quality monitor. If it ever starts having issues, I'll update the review. The cables I'm not so sure of. The HDMI cable is sufficient enough for FHD display, but I wouldn't recommend swapping it over to a higher res monitor, as it probably can't handle it. The USB-C cable has quality control issues, as they sourced out inexpensive cables for this monitor to keep the costs down. No big deal for me, as I have an abundance of good cables, but keep that in mind that you may need to consider the cost of quality cables for this monitor.
I'm glad I bought it. It's going to make me much more productive. While I was disappointed in the USB-C cable, it's not a deal breaker as I already had plenty. Minus one star for the bad cable.
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Reviewed in the United States on December 2, 2024
★★★★★ 5
Versatile, Great size, great value and bright. A little heavy, but well worth the cost.
Size: 15.6" 1080P
I own two of these monitors, I have been very happy with them. I carry them in my backpack/laptop case with all of my needed accessories, and it just simply works.
I work from home and I was looking for something that I could take with me when I travel. My typical home setup involves a 43" LG monitor in the center, and then four additional 1080P monitors. When I am on the road, I need something smaller to have more "real estate" to work with. I usually use a hotel 4k TV or 4k tv at the air BNB we stay at so that I don't have to the 43" LG, but sometimes I just use these two portable screens. I have held meetings from a roadside park from the back of my Suburban with these while we were camping, from Panera while mixing audio, from a waiting room at an office while waiting on someone to complete their day, etc. All in all, the two that I have allow me to streamline my workflow when travelling. I have multiple windows up during the workday; I gather information from those screens and consolidate/copy/paste/ reference the data on my main laptop screen in the front and center. These monitors simply allow me to replicate what I have at home, but on a smaller and (somewhat) lighter scale.
The good: I am not a gamer, so I cannot comment on how these would work in a gaming setup, I work on documents and reporting. With that said, these have great color at a great size. I can fit my Macbook Pro, and up to four of these screens in my bag, plus all my accessories, including Jabra Engage 75 headset, Plantronics headset (backup) , Apple keyboard and mouse, StreamDeck, USB-C Hub, and when needed, a universal Docking station that uses DisplayLink technology (Dell UD22) to get the extra screens. Without that, the Mac won't support more than 3 or 4 displays (Check specs for your PC/Mac). I like that these are USB-C *AND* HDMI. I can use them on pretty much any modern PC. To use the HDMI, however, You do need to power the monitor over USB-C with the provided cable. That's not a product issue, it's simply because that's the way HDMI works, there is no power over the cable. VESA capable, which is a big plus, I have magnetic VESA arms and I leave the plates on these monitors so I can use them anywhere.
The bad: The rotator dial on the side has a tendency to get smashed in, but I don't use audio on either of the screens. I have a Bluetooth noise cancelling over the hear headphone set for that. A more solid design would have been with tactile push buttons instead of the rotator dial. I only have this problem with one of the screens. When I put them the backpack, I now put them in with the rotator dial pointed up to ensure a drop of the bag doesn't chance damaging the equipment.
The ugly: The weight of the screens and associated covers adds about 2.5 lbs each, which is a lot. I have ordered two more, so that will be 10 lbs in the laptop backpack. May need to switch to a roller bag to cart this entourage around.
Once I get the other two, I will revise this review. Right now I don't know if I will have to use the UD22 to utilize all of these screens simultaneously.
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Reviewed in the United States on June 6, 2025
★★★★★ 5
Great product for a great price
Size: 15.6" 1080P
I REALLY like this. I need 2 screens to do my job efficiently and have struggled lately when traveling. Splurged on this for myself and was really impressed. It’s nice and lightweight but feels sturdy. The image quality is good. The set up could not be easier. This is a game changer for me.
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Reviewed in the United States on May 23, 2026