Best Ring & Pinion Gears of 2026
* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Ring and pinion gears are a crucial component of a vehicle's drivetrain system. They work together to transfer power from the engine to the wheels, allowing the vehicle to move. The ring gear is a large, circular gear that is mounted on the differential carrier, while the pinion gear is a smaller gear that is attached to the driveshaft. As the pinion gear rotates, it turns the ring gear, causing the wheels to turn. Ring and pinion gears come in different ratios, which can affect the vehicle's speed and torque. Upgrading to a higher ratio can increase acceleration, while a lower ratio can improve fuel efficiency.
At a Glance: Our Top Picks
Top 10 Ring & Pinion Gears
ApplianPar 12T Drive Gear Kit for Honda HRR216
The ApplianPar Honda Gear Kit is designed to fit a variety of Honda lawn mower models, including HRB, HRM, HRR, HRS, HRT, and HRZ series. With 12 teeth on each gear, it ensures smooth and efficient power transfer for your mower's drive system. This kit replaces several common Honda part numbers, making it a reliable replacement option. By choosing this gear kit, you get all necessary components, including gears, clips, transmission keys, and springs, so you can easily repair your mower and keep it running like new.
prime&swift Starter Pinion Gear 695708 for Briggs & Stratton Engines
The prime&swift Starter Pinion Gear is designed to replace worn or broken starter gears on small gasoline lawn mower engines, specifically fitting Briggs & Stratton models. Made from high-quality materials, it offers durability and long-lasting performance, so you won’t need to replace it frequently. This gear directly fits several part numbers, making it easy to find the right replacement without confusion. With 16 teeth and a precise 1-5/8" outer diameter, it works well with aluminum and plastic ring gears, ensuring smooth engine starts and reliable operation each time you mow your lawn.
HD Switch Steering Gear Rebuild Kit
The HD Switch Gear Kit offers enhanced performance for your steering system. It features a precision-machined pivot bushing that fits better and lasts longer, so you get improved reliability. The kit also includes an oil-impregnated steering shaft pinion gear, which reduces wear and extends the life of your parts. With all necessary components like the sector gear, pinion gear, thrust washer, and mounting hardware included, this kit makes rebuilding your steering gear easier and more efficient. If you want a smoother, more durable steering experience, this kit is a smart upgrade.
Steering Sector Pinion Gear Rebuild Kit Replacement for John Deere L100 L105 L107 L110 L118 L108 L111 G110 L130 L120 Serie Lawn Tractors
This Steering Sector Pinion Gear Rebuild Kit is the ideal replacement part for John Deere L100 L105 L107 L110 L118 L108 L111 G110 L130 L120 Serie Lawn Tractors. It is also compatible with Sabre 14.542GS 17.542HS Scotts L1742 L17.542 L2048 L2548. The kit includes the necessary parts to rebuild the steering sector pinion gear. With a direct replacement and perfect fit, this kit offers a cost-effective solution for repairing your mower tractors. It is made with high-quality materials, ensuring durability and long-lasting performance. The package includes all the necessary components for easy installation. Whether you are a professional or a DIY enthusiast, this Steering Sector Pinion Gear Rebuild Kit is a great option to restore the steering functionality of your John Deere lawn tractors.
RANSOTO Steering Sector Gear Kit for John Deere D & LA Series
The RANSOTO Steering Gear Kit is designed to fit a wide range of John Deere D and LA Series mowers, making it easy for you to find the right part for your equipment. This kit replaces specific part numbers, ensuring a perfect match for your steering needs. Featuring a 19-tooth sector gear plate, it’s tailored to work with certain models, so you avoid compatibility issues with other series. Made from high-quality materials, this gear kit offers durability and stability, giving you confidence that it will perform well and last. Installation is straightforward, allowing you to replace your old gear quickly and get back to work without hassle.
DVPARTS Steering Pinion Gear for John Deere L100 & LA Series
The DVPARTS Steering Pinion Gear is designed to fit a wide range of John Deere mower models, including all L100 and LA series as well as D100 to D160 mower tractors. This compatibility ensures you can easily find the right part for your equipment, saving you time and hassle. The product comes with a 12-month warranty, giving you peace of mind and protection against defects. Made with high-quality materials, this gear offers reliable performance and durability, helping you maintain smooth steering control on your mower. Plus, DVPARTS provides good customer service to support your purchase.
MakerDoIt 48P 3.175mm Pinion Gear Set 5-Pack
The MakerDoIt Pinion Gear Set is designed to fit motors with a 3.175mm shaft, making sure you get the perfect match for your RC vehicle's motor shaft size. With a 48-pitch tooth design, these gears ensure smooth meshing with compatible spur gears, preventing gear slippage or damage. The set includes five different tooth counts (13T to 17T), allowing you to easily adjust your gear ratio to suit various track conditions and improve your RC car's performance. Plus, these gears are compatible with many popular 1/10 scale RC brands, providing a versatile upgrade option for your truck, buggy, or monster truck.
Czsmbt Steering Sector Pinion Gear Rebuild Kit for John Deere D100 Series Lawn Tractors
The Czsmbt Steering Sector Pinion Gear Rebuild Kit is a replacement kit designed specifically for John Deere D100 series lawn tractors. Made of high-quality steel with an anti-rust coated finish, this kit offers enhanced durability and superior reliability. The kit includes a sector plate, pinion gear, metal bushing, plastic bushings, and a set nut and bolt. With its 19 teeth and one-hole design, it is important to ensure compatibility with your faulty unit by comparing the posted picture. With a two-year warranty, exquisite craftsmanship, strict quality control, and excellent after-sales service, the Czsmbt Steering Sector Pinion Gear Rebuild Kit is a worthwhile purchase for any D100 series lawn tractor owner.
Steering Sector Plate & Pinion Gear Bushings Kit Replacement for John Deere
This Steering Sector Plate & Pinion Gear Bushings Kit is a replacement part for various John Deere models. The kit includes a sector plate, pinion gear, nut and bolt, metal bushing, and plastic bushing. The D series gears have 19 teeth. This replacement kit is compatible with LA100 to LA175, 102 to 190C, and X110 to X165 models.
Tomanic Steering Sector Gear Kit for John Deere D Series
The Tomanic John Deere Gear Kit is designed to fit a wide range of John Deere D Series lawn tractors, including popular models like the D100 through D170. This kit provides everything you need for an effective steering repair, including the sector plate, pinion gear, nut, bolt, and metal bushing, making installation straightforward and hassle-free. It replaces original equipment manufacturer parts, ensuring compatibility and performance that meets John Deere standards. Made of high-quality steel with a powder-coated finish, this kit offers durability and reliability, so you can trust it to keep your steering system running smoothly for a long time.
Frequently Asked Questions (FAQs)
1. What are the symptoms of bad ring and pinion gears?
Symptoms of bad ring and pinion gears include a howl or whine during acceleration, rumbling or whirring at speeds over 20 mph, and changes in noise while turning. These symptoms indicate worn gears or improper gear setup, as well as worn carrier bearings.
2. How much does it cost to replace ring and pinion?
The cost of replacing ring and pinion gears can vary depending on factors such as gear ratio, warranty, and kit inclusions. Aftermarket parts alone may range from $100 to $500. Labor costs can add an additional $400 to $600. It's recommended to check with local shops or mechanics to get a more accurate estimate for your specific situation.
3. Do ring and pinion gears wear out?
Yes, ring and pinion gears can wear out, especially if driven too hard. Excessive wear can cause noise and other issues, so it's important to properly maintain and care for these gears to ensure their longevity.
4. What's the difference between 4.10 and 3.73 gears?
The main difference between 4.10 and 3.73 gears is their performance characteristics. 4.10 gears provide faster acceleration and deceleration, but they may result in higher fuel consumption and engine speed. On the other hand, 3.73 gears offer a faster overall speed. The choice between these gear ratios depends on individual preferences and the intended use of the vehicle.
5. What causes pinion gear failure?
Pinion gear failure can be caused by contamination, improper lubrication, and misalignment. These issues can be avoided by implementing good operational and maintenance practices, such as regular inspections, proper lubrication, and keeping the gears clean and free from debris.
6. How do you know if a pinion is bad?
A worn-out pinion bearing can produce vibrations, which are easily noticeable. Acceleration may also result in audible vibrations or differential noise. Additionally, gear grinding or a humming noise can indicate a faulty pinion bearing. If you experience any of these symptoms, it's recommended to have a professional inspect and diagnose the issue.
7. What does a worn ring and pinion sound like?
A worn or failing ring and pinion gear, or a gear set that has not been properly set up, can produce a whine or howling sound under positive load, such as during acceleration. If you hear this type of noise, it is important to have the gears checked and potentially replaced or adjusted to prevent further damage.
During our ring & pinion gear research, we found 24 ring & pinion gear products and shortlisted 10 quality products. We collected and analyzed 10,256 customer reviews through our big data system to write the ring & pinion gears list. We found that most customers choose ring & pinion gears with an average price of $19.34.
The ring & pinion gears are available for purchase. We have researched hundreds of brands and picked the top brands of ring & pinion gears, including ApplianPar, HD Switch, HRepair, RANSOTO, DVPARTS. The seller of top 1 product has received honest feedback from 2,401 consumers with an average rating of 4.9.
Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.