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⚙️ Upgrade your engine’s heartbeat with King Bearings — where precision meets power!
The King Engine Bearings MB5293SI Main Bearing Set is a precision-machined, ISO 9001 certified component made from durable alloy steel. Designed to fit standard engine sizes, it offers reliable performance and longevity for a wide range of vehicles, from automobiles to heavy-duty trucks. Lightweight yet robust, this bearing set ensures smooth engine operation and is trusted by professionals worldwide.
| Brand | King Engine Bearings |
| Material | Alloy Steel |
| Item Weight | 16 ounces |
| Bearing Number | MB5293SI |
| Specification Met | ISO 9001 |
| Bearing Type | Main Bearing |
| Compatible Lubricant | Grease |
| UPC | 611500412967 |
| Global Trade Identification Number | 00611500412967 |
| Manufacturer | King Engine Bearings |
| Model | Main Bearings |
| Item Weight | 1 pounds |
| Item model number | MB5293SI |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | MB5293SI |
| OEM Part Number | MB5293SI |
M**B
Great price for a high quality bearing set
King Bearings are my go to for my low budget LS engine rebuilds (junkyard stuff). They are nothing fancy, they are bi-metal just like OEM and they are always the correct thickness. I have used them twice for mains and rods on an LQ4 and LQ9. Slam them in and let her ride. Great insurance for an unknown condition engine.
J**N
great buy
5k on them and there holding pressure no knocking or noises. Seem to be doing great as of this point.
G**O
Thrust bearings missing the tangs. Waste of time and money
Terrible quality control. 2 wrong sets sent 2 different times.
R**A
FYI comment reviews
I have not purchased a set for my 08 Silverado 5.3 (LY5) engine. I spoke with King about some of the posted reviews and here is what was said..1 - Country of origin is Israel, not China.2 - The tang is not for "anti-spin" purpose but a locating tang (upper/lower). The compression/crush of the cap-block is what keeps a bearing from spinning. The tang is removed on purpose on the thrust bearing (position 3), this allows it to be used on a LS engine and LT engine since dim are the same, tang located in different spot between the two. I was told that the other bearing (position 1, 2, 4, 5), tang is still present. When installing the the thrust bearing (position 3), make sure the bearing oil holes are on block side since locating tang is not present. They may even remove the tang on the other bearings to cut down on process step too, just gotta pay attention to the oiling oils and their location..Hope this helps folks..
J**S
Great quality
Great quality, packaged nicely. When I used plastigage with my crankshaft, Everything was within spec.
A**.
Always showed up with some damaged
I had to buy two "NEW" set to match up the good ones between the two to make a full set. These bearings just kept showing up damaged
A**M
No stop spin on bearing
There was no stop spin on the center bearing which could have resulted in total engine failure. I am not happy. And how only one 1⃣ bearing? Requested a new set... we will see what happens
S**.
thrush bearing was missing the spin stop.
Manufacturer (china) didn't stamp in the Spin stop on the thrush bearing. I sure hope ppl inspect their bearing before installing. Lost a lot of time on my build.
Trustpilot
1 month ago
3 weeks ago