Best Ring & Pinion Gears of 2026

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 10, 2026

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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

ApplianPar 12T Drive Gear Kit for Honda HRR216 Cover #TOP 1
ApplianPar 12T Drive Gear Kit for Honda HRR216
ftb score rating icon 9.9
prime&swift Starter Pinion Gear 695708 for Briggs & Stratton Engines Cover #TOP 2
prime&swift Starter Pinion Gear 695708 for Briggs & Stratton Engines
ftb score rating icon 9.8
HD Switch Steering Gear Rebuild Kit Cover #TOP 3
HD Switch Steering Gear Rebuild Kit
ftb score rating icon 9.6

Top 10 Ring & Pinion Gears

#TOP 1

ApplianPar 12T Drive Gear Kit for Honda HRR216

WS3709
other
ApplianPar 12T Drive Gear Kit for Honda HRR216 Cover
ApplianPar 12 Teeth Drive Gear Kit for Honda HRR216 HRS216 Lawn Mower 12T Pinion Gear 42661-VE2-800 42672-VE2-800 Keys Springs Clips

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.

What We Like
12-tooth gear design
Fits multiple Honda mower models
Replaces common Honda parts
Complete repair kit included
#TOP 2

prime&swift Starter Pinion Gear 695708 for Briggs & Stratton Engines

prime&swift
695708
prime&swift Starter Pinion Gear 695708 for Briggs & Stratton Engines Cover
prime&swift Starter Pinion Gear 695708 Replacement fit for Briggs & Stratton Engine 280104 693058 693059 (10 Pack)

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.

What We Like
High-quality material
Direct replacement fit
Long service life
Compatible with multiple models
Designed for smooth engine starts
#TOP 3

HD Switch Steering Gear Rebuild Kit

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HD Switch Steering Gear Rebuild Kit Cover
HD Switch - Improved Steering Gear Rebuild Kit Replaces 532194732 194732 Sector Plate, 587738906 Pinion, 532194747 Machined Pivot Bushing Upgrade & Hardware - Husqvarna Craftsman AYP Poulan Weedeater

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.

What We Like
Precision machined bushing
Oil-impregnated pinion gear
Complete rebuild components
Increased durability
#TOP 4

Steering Sector Pinion Gear Rebuild Kit Replacement for John Deere L100 L105 L107 L110 L118 L108 L111 G110 L130 L120 Serie Lawn Tractors

25 Tooth
Steering Sector Pinion Gear Rebuild Kit Replacement for John Deere L100 L105 L107 L110 L118 L108 L111 G110 L130 L120 Serie Lawn Tractors Cover
HRepair Steering Sector Pinion Gear Rebuild Kit Replacement for John Deere L100 L105 L107 L110 L118 L108 L111 G110 L130 L120 Serie Lawn Tractors Replaces# GX20052BLE

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.

What We Like
Ideal replacement
Cost-effective
High-quality materials
#TOP 5

RANSOTO Steering Sector Gear Kit for John Deere D & LA Series

LW076
19 Tooth
RANSOTO Steering Sector Gear Kit for John Deere D & LA Series Cover
RANSOTO Steering Sector Gear (19 Tooth) Pinion Gear Repair Kit Compatible with John Deere D&LA Series 105 115 125 D100 D110 D120 LA100 LA110 LA120 Replace GX21994 GX20053 GX20054 GX21924BLE

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.

What We Like
Wide model compatibility
Exact part replacement
Durable, high-quality material
Easy installation
#TOP 6

DVPARTS Steering Pinion Gear for John Deere L100 & LA Series

GX20053
DVPARTS Steering Pinion Gear for John Deere L100 & LA Series Cover
DVPARTS Steering Sector Pinion Gear GX20053 for John Deere 155C 190C D100 D105 D110 LA140 LA145 LA150 LA155 LA100 LA125 LA165 LA175 102 105 115 125 135 145 X110 X120 LA120 LA125 LA130 LA135 Mowers

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.

What We Like
Wide model compatibility
12-month warranty
High-quality materials
Reliable steering performance
Good customer service
#TOP 7

MakerDoIt 48P 3.175mm Pinion Gear Set 5-Pack

PG481318
MakerDoIt 48P 3.175mm Pinion Gear Set 5-Pack Cover
48P 3.175mm Pinion Gear Sets 5Pack 13T 14T 15T 16T 17T Hardened Steel fit 3.175mm (1/8-Inch) Shaft RC Car Truck Upgrade

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.

What We Like
Fits 3.175mm shafts
48-pitch tooth design
Multiple tooth count options
Wide brand compatibility
Easy installation with hexkey
#TOP 8

Czsmbt Steering Sector Pinion Gear Rebuild Kit for John Deere D100 Series Lawn Tractors

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Czsmbt Steering Sector Pinion Gear Rebuild Kit for John Deere D100 Series Lawn Tractors Cover
Czsmbt 19 Teeth Steering Sector Pinion Gear Rebuild Kit Replacement for John Deere D100 D105 D110 D120 D130 D150 D160 Series Lawn Tractors Replaces GX21924BLE

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.

What We Like
Easy installation
Enhanced durability
Superior reliability
#TOP 9

Steering Sector Plate & Pinion Gear Bushings Kit Replacement for John Deere

GU5785GE100HF
Steering Sector Plate & Pinion Gear Bushings Kit Replacement for John Deere Cover
Steering Sector Plate & Pinion Gear Bushings Kit Replacement for John Deere LA100 LA105 LA120 LA130 LA135 LA140 LA145 LA150 LA165 LA175 Part# GX21924BLE GX20053 YY-US

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.

What We Like
Includes all necessary parts for replacement
Compatible with a wide range of John Deere models
Comes with both metal and plastic bushings
#TOP 10

Tomanic Steering Sector Gear Kit for John Deere D Series

BIA002
Tomanic Steering Sector Gear Kit for John Deere D Series Cover
19 Teeth Steering Sector Gear Kit Compatible with John Deere Lawn Tractor John Deere D100 D105 D110 D120 D125 D130 D140 D150 D160 D170 with Pinion Gear & Bushing, Direct Replace

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.

What We Like
Wide model compatibility
Complete repair kit included
OEM part replacement
Durable steel construction
Powder-coated finish
Buying Guide Image

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.

Editor's Notes

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.

Written by
Robert Reyes Avatar

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.