Search

*Disclaimer: Tossions earns a commission from qualifying purchases.

The 8 Best internal gears of 2025

Are you trying to find internal gears among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling internal gears on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 21 hours of research and did 52 internal gears tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best internal gears you can buy today

No. 1
ARRMA Diff Internal Gear Set (1 Diff), ARA310914
  • ARRMA Diff Internal Gear Set (1 Diff), ARA310914
No. 3
BRCatWPark Aluminum Transmission Gearbox with Metal Internal Gears and Bearings Upgrades Part for 1/10 TRX4 TRX6 RC Crawler Car,2 Speed Transmission Gearbox,Titanium/Black
  • 【Fits For】:Transmission Gearbox with metal internal gears and bearings Upgrades Part for 1/10 TRX4 TRX6 RC Crawler Car.
  • 【High quality material】: Gear Made of high-quality steel material, Hard anodic oxidation and anti-rust treatment on gear surface, long service life for these gears.
  • 【More Durable】:The upgrades part is durable enough,improves the overall performance of the rc car.Specially designed strengthening cut-outs for increased crash resistance.
  • 【Easy to Install】:great for replace the old or broken part.Increase overall performance and durability of your RC car.
  • 【Long-lasting Performance】: The rc car upgrades parts highly increase the strength and precision.
No. 4
Pothyes RC Car Transmission All Metal Internal Gears Set with Motor Gear for 1/10 RC Crawler Axial SCX10 Gearbox Upgrade Parts
  • Suitable for 1:10 Axial SCX10 & SCX10 II RC Crawler .
  • Transmission Tooth: 87T; Big Black gears diameter: 41.5mm;Three Black gears diameter: 9.7mm/5mm/3.2mm;Rotating shaft length: 37mm
  • Hardened steel construction.
  • Good looks,sturdy and durable.
  • Slipper design uses a pad on each side of the spur gear for added surface contact area.
No. 5
Hobart 00-438472 Internal Gear
  • Product Type :Food Service Supply
  • Package Dimensions :6.0 " L X11.0 " W X13.0 " H
  • Country Of Origin :Taiwan
  • Package Weight :4.6Lbs
No. 6
Motive Gear F8.8BI-TL31 Limited Slip Internal Gear Kit for a Rear Ford 8.8" Differential
  • Unleash Your Strength: EXCel uses top-tier materials and refined manufacturing methods beyond OEM standards, ensuring a differential carrier internal kit that remains reliable for the long haul.
  • Hassle-Free Setup: EXCel products are engineered for easy and quick installation, ensuring a seamless experience.
  • Advanced Engineering: EXCel Differential Carrier Internal Gear Kits utilize the latest design and production methods to produce gears that operate efficiently.
  • Quality Guaranteed: All EXCel Differential Carrier Internal Gear Kits include a one (1) year warranty.
No. 7
RCAWD 40Crmo Steel Differential Diff Internal Gear Set for Arrma 1/5 Kraton Outcast 8S BLX EXB Series Upgrades Part
  • When the internal gears of your differential are damaged, you need this accessory
  • Perfect for 1/5 Kraton Outcast 8S BLX & EXB Series
  • Replace to code ARA310914
  • Package Include, Differential inner gear set
  • RCAWD has a professional RC team, If you have any questions, please contact us.
No. 8
6 Pairs 1/8 inch Adjustable Heavy Duty Rope Hanger - Reinforced Metal Internal Gears Ratchets foe Growing Light Fixtures, Loose-Proof Design, 8-ft Long & 150lbs Weight Capacity
  • 6 Pair of 1/8 rope hangers, 8-feet long, 4 easy-to-use carabiner clips
  • Metal internal gears ,Solid braided polypropylene Rope + Zinc plated steel carabiners
  • Fully adjustable and locking, tear & rust resistant, for multipurpose use
  • Perfect for hanging light fixtures, reflectors, carbon filters.fan
  • Up to 150-pounds per pair
No. 9
Pothyes 1/24 Brass Transmission Case Assembled Gearbox with Internal Gear for Axial SCX24 AX24 RC Crawler Car Upgrade Part
  • Suitable for 1/24 SCX24 AX24 RC Crawler ,such as SCX24 AXI90081 Deadbolt, AXI00001 C10, AXI00002 JEEP, AXI00004 Betty , It's complete metal transmission .
  • Precision CNC machined brass & steel construction, stability and durability.
  • Advantage:With Front Brass Protection Cover. Exquisite workmanship, Look cool ,smooth and durable. It's complete gear box
  • Hardened gears provides an excellent upgrade in strength and reliability to the scx24 transmission.
  • Come with steel 0.3 mod transmission gear set, increased wear resistance and improved service life. 11T motor gear also steel .
No. 10
Yukon Standard Open Loaded Carrier Case, '10 and Down Chrysler 9.25" Rear, 31 Spline Internal Gears
  • Standard Open Loaded Carrier Case, '10 & Down Chrysler 9.25" Rear, 31 Spline Internal Gears
  • Complete With 31 Spline Internal Spider Gears
  • Highest quality component
SaleNo. 11
FACCNOY Dual Speed Gearbox with Servo and Transmission Internal Gears for 1/10 RC Crawler TRX4 TRX6 Upgrade Parts
  • The gearbox made of plastic gearbox housing and big gears, all metal Servo gear, metal Internal gears and motor gear
  • The 2 Speed Transmission Gearbox with Internal Gears Set made of plastic + metal housing, which provides durability and strength while maintaining a lightweight design 
  • Upgrade your RC car, and help to improve its performance 
  • Non destructive installation, suit for 1/10 TRX-4 TRX-6 RC Crawler Car
  • Easy and convenient to install and remove, preferred by Knowledgable Model Hobbists & R/C Enthusiasts
No. 12
Mesimsple Steel Planet Gears Shafts Sun Gears Alignment Shaft for 1/10 Slash Bandit Stampede Rustler 2WD VXL Differential Diff Internal Gears Upgrades Part
  • 45# steel , 60% stiffer and stronger than the original material
  • For 1/10 Slash Bandit Stampede Rustler 2WD VXL Series
  • Replace the original code 2382
  • Replacement hardened-steel internal gears for 2381X differential
  • Includes planetary gears (4), planetary shafts (4), sun gears (2), and alignment shaft.
No. 13
Yukon Gear & Axle (YPKGM8.5-P-30) Positraction Internal for GM 30-Spline 8.5 Differential
  • Yukon positraction internals for 8.5" GM with 30 spline axles
  • Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set
  • This kit does not include clutches
  • All components come with a one year warranty against manufacturing defects
  • This kit is compatible with Yukon Dura Grip or Eaton positractions
No. 14
RCAWD New Internal Gear EXB Center Differential 50T for Arrma 1/7 Felony Infraction Mojave 6S BLX Diff Gear 1/8 Typhon Talion Outcast EXB Upgrades Part
  • Upgrade internal gears, solved the problem of easily damaged internal gears, 30% increase in performance.
  • Perfect fit for for Arrma 1/7 1/8 series rc car, 1/7 Felony Infraction Mojave Fireteam 6S RTR & EXB version series, 1/8 Typhon Talion NotoriousOutcast Kraton 6s RTR & EXB version series.
  • We've added the lubricant and you can use it directly.
  • Package include, 1x center diff.
  • Contact our team for help solving any problems, if you experience any issues, you can also choose to replace the product or get refund.
No. 15
GMkHTLe CNC Metal Gearbox with Shifting Slipper Clutch and Transmission Internal Gears Compatible with 1/10 RC Crawler TRX6 G63 Upgrade
  • Durability: Engineered with a CNC metal gearbox Compatible with enhanced strength and improved longevity.
  • Versatility: Features a shifting slipper clutch and internal transmission gears, ensuring adaptability to various terrains.
  • Performance: Optimized Compatible with smooth and reliable gear transitions in 1/10 RC Crawlers.
  • Compatibility: Specifically designed Compatible with a upgrade to 1/10 RC Crawler TRX6 G63 models.
  • : Provides accurate and consistent gear engagement Compatible with better control during use.
SaleNo. 16
General Motors ACDelco Genuine Parts 8628202 Automatic Transmission Internal Gear Thrust Bearing
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
No. 17
IPH4 High Pressure Internal Gear Pumps IPH4-25101 IPH4-20101 IPH4-32101 VOITH Hydraulic Oil Pumps Hydraulic Gear Pump(IPH4-20 101)
  • Adopting integral structure, beautiful appearance and reliable performance
  • High-precision processing ensures accurate dimensions and tight installation
  • Reliable quality, faster response speed, and more stable frequency of use
  • Durable and Reliable: Quality controlled to ensure long operation and low maintenance costs.
  • Easy Operation: Installation and use are quick and easy, making it suitable for a variety of users.
No. 18
ReluxGo 3 Jaw Gear Bearing Slide Hammer Puller Set, Universal Internal & External Gear Pulley Puller Set for Pulling Out Gears Bearings
  • USEFUL TOOL: This internal external pullers can pull out the gears, bearings, grease retainers and oil seals and flywheel etc., without damaging surrounding parts. Professional design, featuring high accuracy, stable performance and high reliability.
  • HIGH RELIABILITY: Professional manufacturing, precise machined 3 jaws for secure grip on the gears, bearings, high performance, strong reliability. It is an essential tool for your daily maintenance of the car.
  • EASY OPERATION: Slide Hammer Puller Set is easy to use, simply turn the handle clockwise to open the clip against the bearing, then pull it out by sliding the weight backwards. Exquisite workmanship, stylish and generous appearance.Practical and convenient in use.Such a practical tool you will need it.
  • PREMIUM MATERIAL: This slide hammer puller set is made of high hardness carbon steel, heat-treated, sturdy and steady, corrosion resistant, wear resistant, with reliable use and long service life.
  • AFTER-SALES DESCRIPTION:If you have any questions about the purchased tool, please contact us in time, and your problems will be solved in time, we offer lifetime warranty.
No. 19
iPhone XR Mechanical Steampunk Gears Internal Cogwork Mechanism Case
  • Cool mechanical Steampunk themed gears and internal cogwork mechanism.
  • Two-part protective case made from a premium scratch-resistant polycarbonate shell and shock absorbent TPU liner protects against drops
  • Printed in the USA
  • Easy installation
No. 20
BILITOOLS 3" 2-Jaw Gear Puller, Internal External for Removal of Pulleys Flywheels Bearings & Gears
  • 2-jaw separator tool for removal of stuck or small tolerance pulleys, gears, bearings and more without damage them.
  • This 2 jaw gear puller is made with premium heat-treated CR-V steel to ensure no breakages or bend occur from the high tension experienced during pulling.
  • 2 jaw gear puller can be reversed to pull parts from either the inside or outside. The jaws allows for easy gripping and access to tight spaces.
  • The button makes it easily to change the puller into internal or external gear puller.
  • There are 5 different sizes of jaw puller for you to choose to deal with different parts (small, medium and large): 3", 4", 6", 8", 10"

How to choose a good internal gears

Does the idea of finding a fantastic internal gears make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in internal gears. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top internal gears products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top internal gears on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top internal gears brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top internal gears based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the internal gears were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good internal gears, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your internal gears.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting internal gears for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our internal gears. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what internal gears should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on internal gears.