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Trailer Idler Hub Assembly for 2K Axles - 8" to 12" Wheels - 5 on 4-1/2 - Pre-Greased

Trailer Idler Hub Assembly for 2K Axles - 8" to 12" Wheels - 5 on 4-1/2 - Pre-Greased

Item # AKIHUB-545-2-1K
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Trailer Idler Hub Assembly for 2K Axles - 8" to 12" Wheels - 5 on 4-1/2 - Pre-Greased 5 on 4-1/2 Inch AKIHUB-545-2-1K
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Hub is designed for use on trailer idler axles. Fits 2,000-lb axles with BT8 spindles. Inner bearing (L44643) and race, outer bearing (L44643) and race, grease seal, grease cap, and lug nuts included. Lowest Prices for the best trailer hubs and drums from etrailer. Trailer Idler Hub Assembly for 2K Axles - 8" to 12" Wheels - 5 on 4-1/2 - Pre-Greased part number AKIHUB-545-2-1K can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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  • Reviews (52)
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etrailer by AxleTek Trailer Hubs and Drums - AKIHUB-545-2-1K

  • 5 on 4-1/2 Inch
  • For 2000 lbs Axles
  • Hub
  • Standard
  • 8 Inch Wheel
  • 10 Inch Wheel
  • 12 Inch Wheel
  • etrailer
  • L44643
  • L44643
  • 1/2 Inch Stud

Hub is designed for use on trailer idler axles. Fits 2,000-lb axles with BT8 spindles. Inner bearing (L44643) and race, outer bearing (L44643) and race, grease seal, grease cap, and lug nuts included.


Features:

  • Trailer hub assembly fits idler axles
    • Bearings, races, seal, grease cap, and lug nuts are included
  • Sturdy iron construction
  • Zinc-enriched paint finish
  • Pre-greased idler hub is easy to install - no need to pack bearings
    • Lithium complex, multipurpose grease keeps bearings lubricated
  • QAI and CSA certified


Specs:

  • Application: 2,000-lb trailer axles with BT8 spindles
    • Compatible with standard axles from most manufacturers, including Dexter, Lippert (LCI), and AL-KO
  • Wheel size: 8" to 12"
  • Bolt pattern: 5 on 4-1/2"
  • Wheel stud dimensions: 1/2" diameter x 1-5/16" long
  • Grease cap flange diameter: 1.988"
  • Weight capacity: 1,000 lbs
  • Limited 1-year warranty


Bearing, Race, and Seal Information

  • Bearings (included)
    • Inner bearing: L44643 (1" inner diameter)
    • Outer bearing: L44643 (1" inner diameter)
  • Races (included)
    • Inner race: L44610
    • Outer race: L44610
  • Grease seal (included): 34823
    • Inner diameter: 1.249"
    • Outer diameter: 1.983"

Determining the Bolt Pattern

The first number in the bolt pattern is the number of bolt holes. The second number denotes the diameter, in inches, of the circle on which the bolt holes sit.


Bolt Pattern - Even

On wheels with an even number of bolt holes, measure from the center of one bolt hole to the center of the hole directly across from it. (Example: 8 on 6-1/2 means 8 bolt holes with 6-1/2" from the center of one hole to the center of another on the opposite side.)


Bolt Pattern - Odd

To determine the bolt-circle diameter on wheels with an odd number of bolt holes, measure from the center of any bolt hole to the point halfway between the two bolt holes directly across from the first. (Example: 5 on 4-1/2 means 5 bolt holes with 4-1/2" measured to a point halfway between the opposite bolt holes.)


Bolt Pattern - Side

Measuring the distance (D) from the center of one bolt hole on the wheel to the center of a bolt hole right next to it can also help to determine the bolt pattern.

  • If D = 2-5/8", then the bolt pattern is 5 on 4-1/2"
  • If D = 2-3/4", then the bolt pattern is 5 on 4-3/4"
  • If D = 3", then the bolt pattern is 5 on 5"
  • If D = 3-1/4", then the bolt pattern is 5 on 5-1/2"


KH-150-07-19-BT8 AxleTek Trailer Idler Hub Assembly for 2K Axle with Hardware - 5 on 4-1/2 - Pre Greased






Customer Reviews

Trailer Idler Hub Assembly for 2K Axles - 8" to 12" Wheels - 5 on 4-1/2 - Pre-Greased - AKIHUB-545-2-1K

Average Customer Rating:  4.9 out of 5 stars   (52 Customer Reviews)

Hub is designed for use on trailer idler axles. Fits 2,000-lb axles with BT8 spindles. Inner bearing (L44643) and race, outer bearing (L44643) and race, grease seal, grease cap, and lug nuts included.

- AKIHUB-545-2-1K
by:

I looked all over, to include Harbor Frieght where I bought the trailer, and could not find replacement bearings. Etrailer.com had exactly the parts I needed. They fit as advertised and arrived in just 3 days. I will definitely use etrailer.com again and you should too! 680913


Comments
Great product. Super easy to install. I recently towed my motorcycle cross country and had no issues at all.
Richard E - 08/06/2020

96469

- AKIHUB-545-2-1K
by:

Ordered two tires, two Aluminum fenders, and Hubs. etrailer.com is one of the easiest websites to place orders on I have ever used. Extremely well laid out. Fast shipping and product is packaged professionally. Great products, great prices, products are high quality. Rarely order from any other trailer parts companies. etrailer has just about everything trailer related and no junk! Can't beat this company. 237590



- AKIHUB-545-2-1K
by:

Kit includes everything you need for in stallation. 674716



- AKIHUB-545-2-1K
by:

George keep me informed on order, delivery. They are a great company to do business with. 482549



- AKIHUB-545-2-1K
by:

Great website! It is easy to navigate and there is a lot of details that help determine the which product you need. I especially appreciate the how to videos that are available. I have used them several time. My order shipped quickly and accurately. Great job, Etrailer.com! 284572



- AKIHUB-545-2-1K
by:

Excellent communication,fast shipping ,highly recommend! Good quality product,got me out of a bind!Thank you! 549743



- AKIHUB-545-2-1K
by:

I wish I had taken before and after photos of my trailer. A typical 5x8 utility trailer with the extruded wire mesh deck which I got for a bargain, perfect for my lawn tractor or 4 wheeler. However the 8" wheels did not provide enough ground clearance for the terrain where I intended to use it as a equipment hull trailer to our deer camp, pulled by the 4 wheeler. After finding etrailer.com my problems were solved! I ordered 5 bolt hubs, 5.30 x12" wheels and the economy plastic fenders and fender brackets. While waiting my order I wire wheeled the frame and gave it a fresh coat of paint and WHAL-LA! I have a new looking trailer! The order arrived in record time, securely packaged and great quality! I ordered the pre-packed hubs and didn't have to get into that sticky mess! Everything worked out as planned and was easy-peezy to assemble and install. I'll definitely use etrailer.com in the future. 720640



- AKIHUB-545-2-1K
by:

Fast delivery exactly what I ordered. Have ordered in the past and will order sgain 877457



- AKIHUB-545-2-1K
by:

eTrailer made it easy to order exactly what I needed to replace my trailer hub assembly. 867798



- AKIHUB-545-2-1K
by:

Good service 864635



- AKIHUB-545-2-1K
by:

Bought 3 of these. Quick arrival time and perfect fit. William B. was very knowledgeable and helpful in the ordering process. Many thanks to him. Will keep you in mind for future trailer needs. 854703



- AKIHUB-545-2-1K
by:

Very satisfied! The axles and hubs I ordered were great quality. Everything from the website to delivery were excellent. I would definitely order from you again! 808574



- AKIHUB-545-2-1K
by:

Good deal fit great easy to order all was a good experience 794294



- AKIHUB-545-2-1K
by:

Perfect fit great product will be ordering more parts in the future 776091



- AKIHUB-545-2-1K
by:

Perfect fit and easy installation 763980



- AKIHUB-545-2-1K
by:

Very good product,very satisfied .will purchase any other trailer parts here when needed. Great customer service. 750117



- AKIHUB-545-2-1K
by:

Product arrived on the day listed and was exactly what I wanted. The site was easy to navigate and I will order again for my next project. 735970



- AKIHUB-545-2-1K
by:

This is a convenient way to replace, repair or upgrade. The hubs and bearings appear to be good quality. And having everything preassembled and greased makes the swap clean and easy. 732094



- AKIHUB-545-2-1K
by:

Ordered akihub-542-2-1k hub assemblies for a snow mobile trailer that i am rebuilding hubs arrived quickly and as advertised. Extremely convenient that hubs are already assembled and bearings are greased 725586



- AKIHUB-545-2-1K
by:

I wish I had taken before and after photos of my trailer. A typical 5x8 utility trailer with the extruded wire mesh deck which I got for a bargain, perfect for my lawn tractor or 4 wheeler. However the 8" wheels did not provide enough ground clearance for the terrain where I intended to use it as a equipment hull trailer to our deer camp, pulled by the 4 wheeler. After finding etrailer.com my problems were solved! I ordered 5 bolt hubs, 5.30 x12" wheels and the economy plastic fenders and fender brackets. While waiting my order I wire wheeled the frame and gave it a fresh coat of paint and WHAL-LA! I have a new looking trailer! The order arrived in record time, securely packaged and great quality! I ordered the pre-packed hubs and didn't have to get into that sticky mess! Everything worked out as planned and was easy-peezy to assemble and install. I'll definitely use etrailer.com in the future. 720639



- AKIHUB-545-2-1K
by:

Very good quailty 719623



- AKIHUB-545-2-1K
by:

Pleasure to shop with this company.....well informed employees to speak with if needed! 693834



- AKIHUB-545-2-1K
by:

Great people great customer service. Super fast shipping and parts are always as described. 690172



- AKIHUB-545-2-1K
by:

I finally got to insall the hub kit. I love how it assembled so easy, it fit like a glove. The kits were exactly what they were stated to be. As usual etrailer comes through with high quality products at an affordable price. Also love the resource information on the website! 594001



- AKIHUB-545-2-1K
by:

Very nice hubs. Came in good condition and quick delivery. Very pleased 573370


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Show More Reviews

Ask the Experts about this etrailer Trailer Hubs and Drums

  • Replacement Hubs For Trailer With 3/4 Inch Outer Diameter Spindle That Is Straight
    The only hub we have that is currently available for a 3/4 inch spindle is Item # AH15450ECOMP. This is an agricultural hub that fits 3,000 lbs axles for 4 on 5 inch bolt pattern. It takes an inner bearing, Item # LM67048, and outer bearing, Item # LM11949. It is meant to be used for low speed (less than 20 mph) agricultural applications. It is designed for a spindle like Item # AS1500E. If you can find the actual bearing number on your old bearings and seal or can send me a bearing...
    view full answer...
  • Trailer Hub Recommendation for Spindle with 1 inch Diameter
    For a spindle that has exactly a one inch diameter the hub part # AKIHUB-545-2-1K is a confirmed fit.
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  • Replacement Hubs for Aluma 8610T Snowmobile Trailer.
    It looks like the Aluma 8610t snowmobile trailer has 12" wheels with a 5 on 4-1/2 bolt pattern, so that will help us get to the correct replacement hubs. But we will also need to determine the bearings on your current hub, which you'll have to remove the hubs and pull the bearings to find this information. Your bearings, races and grease seal will most likely have numbers stamped on the backs of them to help identify them, but if there are no stamps present you'll need to measure them using...
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  • Availability of Axle that Works with 2,000 Pound Hubs with 1 Inch Bearings
    Based on my research, the Ultra-Tow 57205 hub assembly you recently obtained is designed for 2,000 pound axles and uses the # L44643 inner and outer bearing, much like the etrailer.com # AKIHUB-545-2-1K. We do not currently have an axle that features the type of spindle needed for these hubs to fit, but you may be able to replace the spindle on your existing axle with the Redline # R104BT8. This BT8 spindle will work perfectly with your hubs and it is designed for use on 2,000 pound...
    view full answer...
  • Recommended Trailer Hub Assembly for Utility Trailer with Straight Spindle and L44643 Bearings
    You have a standard size spindle for a 2000 lb axle. The hub assembly I recommend for your application is the Trailer Idler Hub Assembly for 2,000-lb Axles - 8" to 12" Wheels - 5 on 4-1/2 # AKIHUB-545-2-1K which will be a perfect fit. I've attached a video to assist.
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  • Finding Correct Trailer Wheels to Match Hubs for a BT8 Spindle
    You're correct that all of the 8 inch rims we carry have a pilot hole that's in the range of 2.8 inches. Not nearly as large as the 3.275 inches you need. The best solution I recommend is replacing the hubs, unfortunately. I recommend part # AKIHUB-545-2-1K for standard spindles or part # AKIHUB-545-2-EZ-1K for EZ Lube spindles. I don't recommend boring out the pilot hole of the rim or grinding down the hub. It will very likely compromise the integrity of either part.
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  • How to Determine if Trailer Can Switch to 5-Lug Hubs
    To do this you would need to switch your hubs from the current ones that have a 4-bolt pattern to ones with a 5-bolt pattern. This may be possible but you need to know the weight rating of your axle, and also what bearings the current hub has. You will need to take apart the current hub assembly and look at the bearings themselves; wipe away the grease and you should be able to see the part number stamped directly on them. If you are unable to find them, you need to use a digital caliper...
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  • Replacement Hubs for a 2010 Carry-On 2,000 Pound Trailer
    Trailer Idler Hub Assembly for 2,000-lb Axles - 8" to 12" Wheels - 5 on 4-1/2 Item # AKIHUB-545-2-1K will likely fit your Carry-On trailer. To be certain though you can pull the hub off of the undamaged side, which will need to be done anyway to replace the hubs, and check the bearing numbers stamped into the sides of the bearings. This hub uses L44643 as both the inner and outer bearing. The grease seal has an inner diameter of 1.249 inches. Based on your trailer this is the correct...
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  • How to Select Replacement Hub for Fleetwood Coleman Destiny Pop-Up Camper
    To select a set of replacement idler hubs for your Fleetwood Destiny trailer you want to match up a few characteristics from your originals. These include the axle weight capacity, wheel bolt pattern and the bearing set used in the hubs. A replacement hub must use the same inner and outer bearings as the original in order for it to fit on your spindles. The linked page displays 5-on-4-1/2-inch bolt pattern idler hubs for 2K axles. Hub # AKIHUB-545-2-1K works with wheel diameters from...
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  • How to Select Replacement 5-on-4-1/2 Boat Trailer Hub Using Bearing Parts Numbers
    We carry many sizes of trailer idler hubs and hub/drums with the popular 5-on-4-1/2 wheel bolt pattern. You can see all of them on the page I linked for you. On the page are filters you can click on to choose your required features. You want to match up the hub weight rating to your axle's capacity to ensure it can handle the weight on it. Just click on your axle capacity; usually you can find this on a sticker or plate on the axle itself, or on the trailer's main sticker if it lists...
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  • Trailer Idler Hub for 2,000 Pound Axle and 13 Inch Tires
    There isn't enough surface area on hub # AKIHUB-545-2-1K to safely mount and use a 13 inch wheel. The hub would have to be larger to properly support a 13 inch wheel. For a hub that uses the same bearings, can take a 13 inch wheel, and also has a 5 on 4-1/2 bolt pattern we have # AKIHUB-545-2-LFEZ-1K for EZ Lube axles or # AKIHUB-545-2-LF-1K for regular axles.
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  • Do Harbor Freight Trailers with 5 Bolt Pattern Use Standard 5 Bolt Pattern
    The experiences we've had with Harbor Freight trailers is that they use standard 5 bolt patterns common on other trailers. The most common being 5 on 4-1/2 inches like what the part # AKIHUB-545-2-1K which fits the common 2,000 lb axle spindle.
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  • Trailer Hub Recommendation that Fits Spindle with 1 inch Bearing Diameter
    For an idler hub that has the bolt pattern you need of 5 on 4-1/2 inches and fits a spindle that measures 1 inch for both bearing surfaces we have the part # AKIHUB-545-2-1K. If you needed a brake drum hub you instead would want part # AKHD-545-2-1K.
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  • Replacement Hub Recommendation for Tracker Boat Trailer with Spindles that Measure 1.05 inch
    From the info you gave me (good job by the way!) the correct hub you need is the part # AKIHUB-545-2-1K. This hub fits the BTR spindle you have which matches the dimensions you listed and uses the bearing part numbers L44649 which matches the partial number you listed.
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  • How to Determine Correct Replacement Bearings for Older Calkins Boat Trailer
    Oh how we wish, almost every day, that all trailer makers maintained detailed records of the components used in the fabrication of their trailers, but sadly, we do not live in that world. So, you will need to pull a wheel and hub, and check the numbers on the bearings and grease seal. I linked a photo that shows the typical placement and appearance of bearing and seal part numbers. With those part numbers in hand you can directly check our site for those parts by entering each number...
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  • Replace Hub Assemblies With Bearing Buddies For A 2,000 Lb. Trailer Axle
    Our 2,000 lb. trailer axles use both 1" and 1.06" diameter spindles. In order to determine you are receiving the correct hub assembly, you will want to use a digital caliper like part # PTW80157 to ensure you have an exact measurement. If the spindle on your trailer measures out to be 1" in diameter, then you have a 2,000 lb. axle that uses the L44643 bearing. For a 5 on 4-1/2" hub assembly designed to be used with a 2,000 lb. axle and L44643 bearings, I recommend using the Trailer...
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  • Recommended Trailer Hub Assemblies to Replace Wheels with Integrated Hubs
    Thanks for the picture. It looks like you have a spindle welded onto a frame and you just need the hub assembly. If this is like most small snowmobile trailers, then you most likely have a 1 inch straight spindle. If this is the case, I recommend the Trailer Idler Hub Assembly for 2,000-lb Axles - 8" to 12" Wheels - 5 on 4-1/2 # AKIHUB-545-2-1K. This would allow you to use standard wheels like the Kenda Karrier S-Trail ST145/R12 Radial Tire w/ 12" Galvanized Spoke Wheel - 5 on 4-1/2...
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  • Recommended Idler Hub Assembly for 1-1/16 Inch Diameter Spindle With Seal 1-1/4 Inches at Spindle
    For idler hubs, you will want the Trailer Hub Assembly for 2,000-lb Axles - 5 on 4-1/2 # AKIHUB-545-2-1K or the 4 on 4 inch bolt pattern # AKIHUB-440-2-1K. This is a standard BT8 spindle. I've attached an installation video to assist as well as an article on bolt pattern.
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  • Comparing etrailer/AxleTek Trailer Hubs for 2K Axles and 5 on 4-1/2 Bolt Patterns
    The two hubs that you referenced come with different sized grease seals. First, hub # AKIHUB-545-2-1K comes with seal 34823 which has an inner diameter of 1.249 inches and outer diameter of 1.983 inches. The other hub, # AKIHUB-545-2-2K, comes with seal 10-9 which has an inner diameter of 1.5 inches and outer diameter of 1.987 inches. The outer diameters are essentially the same but the inners are about 1/4 inch off from each other. If you are not sure which size you need you can...
    view full answer...
  • Would the Trailer Idler Hub # AKIHUB-545-2-1K Fit Harbor Freight Trailer Spindle
    You would need to measure the spindle to be certain. If the spindle measures exactly .99 inch then yes the Trailer Idler Hub # AKIHUB-545-2-1K is going to fit. Where the seal rides needs to be 1.24 inches as well. 25 mm is right at .984 inches which is pretty darn close. Try measuring with a dial or digital caliper # 36554 to get an exact dimension.
    view full answer...
  • Bearing Buddy Recommendation for Trailer Idler Hub Assembly AKIHUB-545-2-1K
    The correct Bearing Buddy to use with the hub part # AKIHUB-545-2-1K you mentioned is the part # BB1980A-SS.
    view full answer...
  • Can Just Outer Bearing Determine Both Trailer Bearings Needed
    On small axles, it can be the same BUT it is not common for axles to have matching inner and outer bearings if over 2000 lbs capacity. For instance the # AKIHUB-545-2-1K have matching bearing sizes for both inner and outer, but the # AKIHUB-545-35-EZ-K do not.
    view full answer...
  • Replacement Hubs for Karavan 2004 Double PWC Trailer
    In order to determine which hubs will work on your 2004-2005 Karavan jetski trailer you will need to know the axle capacity, bolt pattern and the number on the bearings that are inside your current hub. I've found some similar trailers in my research that use a # L44649 inner and outer bearing and a 5 on 4-1/2 bolt pattern, but you will want to confirm this is the same on your trailer by removing the hubs and checking. The # AKIHUB-545-2-1K you were looking at has the 5 on 4-1/2 bolt pattern...
    view full answer...
  • Can Trailer Hub that Fit 8 inch Diameter Wheel also Fit 12 inch Diameter Wheel
    We have trailer hubs like the part # AKIHUB-545-2-1K that have a 5 on 4-1/2 inch bolt pattern that fit rim diameters of between 8 and 12 inches. This is a fairly common rim diameter range too so you should be totally fine to go up to a 12 inch wheel and tire combo like the Kenda Wheel and Tire part # AM31202 which has an ST145/R12 Tire Installed on a 12 inch wheel with a 5 on 4-1/2 inch bolt pattern.
    view full answer...
  • Recommendation for Replacing 13 Inch Tires with 14 Inch Tires and Hubs on Trailer
    You can certainly upgrade to a 14 inch tire on your trailer as long as you have the clearance necessary for the larger diameter tires. If you are needing to replace the trailer hubs, you will first need to pull your existing units to check for the bearing numbers that are used. These should be stamped onto the bearings themselves. If you cannot locate the numbers, you can also measure the spindle at various locations where the bearings sit. You will want to use a digital caliper like...
    view full answer...
  • How to Estimate Axle Weight Rating Based on Axle Diameter and Bearings
    I cannot absolutely confirm the weight rating of your axles but I can give you some useful help. The linked article concerning trailer suspension includes (at about the halfway point) a section that provides typical axle weight ratings based on their diameter. Most often a 4-inch-diameter trailer axle will have a 9K capacity. But without knowing the origin of your axles I would hesitate to presume this is the case. We sometimes find folks with what were originally mobile home axles...
    view full answer...

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Info for this part was:

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Expert Research:
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Expert Research:
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Installed by:
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Installed by:
Randy B
Video Edited:
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Updated by:
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