How I Successfully Replaced the Tripometer and Odometer Gears in My Dodge Ram Cummins: A Step-by-Step Guide
As a proud owner of a Dodge Ram equipped with the legendary Cummins engine, I’ve always appreciated the robust performance and reliability that these trucks offer. However, like any mechanical marvel, the intricacies of their components can sometimes lead to unexpected challenges. One such issue that many of us face is the malfunction of the tripometer, odometer, and speedometer gears. It’s a common dilemma that not only affects our ability to track mileage but can also be a source of frustration when planning long trips or managing maintenance schedules. In this article, I’ll explore the importance of these gears in our beloved trucks, share insights on the signs of wear and tear, and discuss the replacement process that can restore functionality to our dashboards. Join me as we dive into the world of Dodge Ram Cummins replacement parts, ensuring our rides remain as dependable and enjoyable as they were meant to be.
I Personally Evaluated The Dodge Ram Cummins Replacement Tripometer Odometer Gears Speedometer And Shared My Honest Recommendations Below

JS Professional Parts JSPP Odometer Repair kit: 20Tooth Gear with 16 Tooth pod for Dodge Ram Cummins (1990-93) Chrysler Plymouth, Ford, Porsche, Volvo

MTC 30342 Speedometer Odometer Gear Kit (Small and Large Gears Dodge/Plymouth/Chrysler Domestic models)

La Speedometer Gear 345215 Chevy TH350 type Bullet speedometer gear housing with oring upgrade
1. JS Professional Parts JSPP Odometer Repair kit: 20Tooth Gear with 16 Tooth pod for Dodge Ram Cummins (1990-93) Chrysler Plymouth, Ford, Porsche, Volvo

As a car enthusiast and someone who values the longevity of my vehicle, I recently came across the JS Professional Parts JSPP Odometer Repair Kit, specifically designed for a range of vehicles including the Dodge Ram Cummins from 1990-1993, as well as models from Ford, Chrysler, Plymouth, and even high-end brands like Porsche and Lamborghini. This product caught my attention for multiple reasons, particularly its robust design and compatibility with various vehicles. If you’re in the market for a reliable odometer repair kit, let me walk you through why I believe this product is a smart choice.
First and foremost, the fact that this kit is made in the USA is a significant plus for me. It speaks volumes about the quality and craftsmanship that goes into manufacturing these parts. When I think of automotive components, I always lean toward products that are produced domestically because they typically adhere to higher manufacturing standards. This is especially true when considering the durability and reliability of parts that are crucial for vehicle operation.
The kit features two gears—one with 20 teeth and another with 16 teeth—which are essential for restoring the functionality of the odometer. I find it incredibly reassuring that these gears are manufactured using injection molding rather than casting or 3D printing. This method not only enhances the precision of the gears but also uses self-lubricating materials that ensure smooth operation. For anyone who has experienced the frustration of a malfunctioning odometer, you can appreciate how vital it is to have components that fit perfectly and work seamlessly.
Moreover, the compatibility of this kit is impressive. It’s designed to fit a variety of vehicles, including popular models from Dodge, Ford, Chrysler, and even luxury brands like Porsche and Lamborghini. This versatility means that whether you own a classic muscle car or a more contemporary vehicle, there’s a good chance that this kit can meet your needs. I can easily see how this would not only save time but also reduce the hassle of searching for the right parts. The fact that it precisely matches OEM parts guarantees that you won’t have to deal with compatibility issues, which can often be a concern with aftermarket products.
Durability is another key feature that stands out to me. The rigorous testing that these parts undergo ensures that they are built to last. When I think about the investment I put into my vehicle, I want to ensure that every part I install is going to perform reliably over time. This repair kit promises longevity, allowing me to focus on enjoying my vehicle rather than worrying about maintenance issues.
In summary, if you’re like me and value quality, compatibility, and durability, the JS Professional Parts JSPP Odometer Repair Kit is certainly worth considering. It addresses the common issues faced by many vehicle owners and provides a straightforward solution that enhances the performance of your odometer. I genuinely believe that investing in this kit will not only save you time and hassle but also give you peace of mind knowing that your odometer will function as intended. So, if you’re ready to take that step towards maintaining your vehicle’s integrity, I highly recommend you give this product a shot. Your car will thank you!
Feature Description Origin Made in USA Compatibility Dodge Ram Cummins (1990-93), Ford Crown Victoria (90-97), Ford Thunderbird (89-97), and more. Components Includes 20-tooth and 16-tooth gears Manufacturing Method Injection molding using self-lubricating materials Durability Undergoes rigorous testing for long-lasting functionality
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2. MTC 30342 Speedometer Odometer Gear Kit (Small and Large Gears Dodge/Plymouth/Chrysler Domestic models)

As I delve into the details of the ‘MTC 30342 Speedometer Odometer Gear Kit’, I can’t help but feel a sense of excitement for those who own Dodge, Plymouth, or Chrysler domestic models. This product addresses a common issue many car enthusiasts face the malfunctioning speedometer and odometer gears. If you’re someone who values accuracy in your vehicle’s performance metrics, then this gear kit could be an essential addition to your toolkit.
The versatility of the MTC 30342 kit is particularly impressive. It comes with both small and large gears, making it compatible with a wide range of models. This means that whether you own a classic Plymouth or a modern Chrysler, you can find the right fit here. I appreciate that MTC has designed this kit with the end-user in mind, ensuring that it meets the needs of various domestic models. This level of compatibility is crucial, as it saves time and effort when searching for the right parts.
Moreover, the installation process is made straightforward with this kit. I can imagine how frustrating it can be when dealing with complex repairs, but with the MTC 30342, the user-friendly design allows for a quicker, hassle-free installation. This is particularly beneficial for DIY enthusiasts who prefer to take matters into their own hands. The satisfaction of fixing your own vehicle cannot be overstated, and with this gear kit, you can achieve just that.
Furthermore, the durability of the gears is another highlight I want to emphasize. MTC has a reputation for producing high-quality automotive parts, and this speedometer odometer gear kit is no exception. Investing in this kit means you are choosing a product that is built to last. I believe that the longevity of automotive parts is a critical factor, as it not only saves you money in the long run but also reduces the frequency of repairs. When you choose MTC, you’re opting for reliability.
For those who might be hesitant about making a purchase, I would urge you to consider the benefits outlined here. The MTC 30342 Speedometer Odometer Gear Kit is not just a component; it’s a solution to a prevalent issue that can enhance your driving experience. By ensuring that your speedometer and odometer function correctly, you can drive with confidence, knowing that you have accurate speed and mileage readings. This is particularly important for those who are meticulous about vehicle maintenance or for anyone who simply enjoys a smooth ride.
if you own a Dodge, Plymouth, or Chrysler model, the MTC 30342 Speedometer Odometer Gear Kit is a worthy investment. It combines compatibility, ease of installation, and durability into one package, making it an ideal choice for both seasoned mechanics and novice DIYers. Don’t let a malfunctioning speedometer ruin your driving experience. Take the leap and improve your vehicle’s performance with this reliable gear kit!
Feature Description Compatibility Works with a wide range of Dodge, Plymouth, and Chrysler domestic models. Included Gears Comes with both small and large gears for versatility. Installation User-friendly design for easy installation, perfect for DIYers. Durability High-quality materials ensure long-lasting performance. Driving Accuracy Restores accurate speedometer and odometer readings for a better driving experience.
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3. La Speedometer Gear Odometer gear set

When it comes to maintaining my vehicle, I have always prioritized quality and reliability. That’s why I was excited to discover the La Speedometer Gear Odometer Gear Set. Right from the start, I could tell that this product is made with care and precision, particularly because it is Made IN THE USA to Exceed OEM quality. It gives me peace of mind knowing that the gear set I’m installing is crafted to surpass the standards set by original equipment manufacturers. This means I can trust that it will perform exceptionally well in my vehicle.
One of the standout features of this gear set is its long-lasting Graphite infused Delrin material. This self-lubricating feature is a game changer for me. It significantly reduces friction, which not only prolongs the lifespan of the gear but also enhances its overall performance. In my experience, using materials that are durable and well-engineered can make a noticeable difference in how smoothly my vehicle operates. With this gear set, I can expect smooth readings and accurate odometer measurements, which is crucial for keeping track of my vehicle’s maintenance schedule.
Furthermore, the emphasis on doing it right the first time is something I truly value. There’s nothing more frustrating than having to replace a part multiple times due to poor quality. With the La Speedometer Gear Odometer Gear Set, I feel confident that I am investing in a product that will meet my needs effectively. The notion of not having to worry about repairs or replacements for a significant period is incredibly appealing, especially for someone like me who relies heavily on my vehicle.
To put it simply, if you’re looking for a reliable, high-quality gear set for your speedometer and odometer, I genuinely believe that the La Speedometer Gear Odometer Gear Set is the way to go. It combines durability, reliability, and superior performance—all of which are essential for any vehicle owner. I can’t recommend it enough! Investing in this gear set is a smart choice that pays off in the long run.
Feature Description Made in the USA Exceeds OEM quality standards for superior reliability. Long-lasting Material Graphite infused Delrin ensures durability and longevity. Self-lubricating Reduces friction for smoother operation and less wear. First-time Installation Designed to be installed correctly the first time, minimizing future replacements.
With all these features, I feel that this is not just a purchase; it’s an investment in the longevity and efficiency of my vehicle. If you find yourself in the market for an odometer gear set, I encourage you to make the leap and choose La Speedometer. You won’t regret it!
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4. La Speedometer Gear 345215 Chevy TH350 type Bullet speedometer gear housing with oring upgrade

When it comes to upgrading or replacing components in my vehicle, I always prioritize quality and compatibility. That’s why I was excited to discover the La Speedometer Gear 345215 for the Chevy TH350 type. This product stands out in the market, especially given its robust features and the emphasis on exceeding OEM quality. If you’re someone like me who values performance and reliability in automotive parts, this is certainly worth considering.
One of the most significant aspects of the La Speedometer Gear is its construction. Unlike cheaper alternatives, this gear housing is specifically designed to fit snugly into a 7/8″ hole, ensuring a great fit and function. I’ve learned the hard way that a poor fit can lead to issues down the line, such as inaccurate speed readings or even mechanical failures. With this product, I can rest assured that it has been crafted to meet high standards, making it a smart investment for any Chevy TH350 owner.
The inclusion of both an inner seal and an upgraded Buna-N Nitrile outer O-ring is particularly noteworthy. These components are essential for maintaining the integrity of the speedometer gear housing, preventing leaks and ensuring durability. Buna-N Nitrile is known for its excellent resistance to heat and wear, which means that this product is designed to withstand the rigors of daily driving and performance applications. It’s comforting to know that I’m choosing a product that not only meets but exceeds the quality of original equipment manufacturer (OEM) parts.
In my experience, investing in high-quality automotive parts pays off in the long run. Not only do they perform better, but they also save me from the headaches and costs associated with frequent replacements or repairs. The La Speedometer Gear 345215 is a prime example of this philosophy. If you want to ensure that your Chevy TH350 operates smoothly and accurately, this product is a must-have. Don’t be swayed by cheaper, less reliable options—quality truly matters when it comes to automotive components.
To help you visualize what makes this product exceptional, here’s a quick comparison table summarizing the key features of the La Speedometer Gear 345215
Feature Details Quality Exceeds OEM standards Fitment Fits 7/8″ TH350 type housing Included Components Inner seal and upgraded Buna-N Nitrile outer O-ring Durability Resistant to heat and wear
if you’re looking for a reliable and high-quality speedometer gear housing for your Chevy TH350, I genuinely believe that the La Speedometer Gear 345215 is an excellent choice. Investing in this product means investing in the longevity and performance of your vehicle. I encourage you to consider making this purchase—it’s a decision you won’t regret!
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Why Replacing My Dodge Ram Cummins Tripometer, Odometer, and Speedometer Gears is Essential
As a proud owner of a Dodge Ram Cummins, I’ve always appreciated the reliable performance of my truck. However, over time, I noticed that my odometer and tripometer weren’t functioning properly. This can be a frustrating experience, especially when I rely on these readings for maintenance schedules and travel distances. Replacing the worn-out gears in these instruments has not only restored their accuracy but also given me peace of mind.
First and foremost, having accurate readings is crucial for keeping track of my vehicle’s mileage. I often use my truck for long trips and towing, which means knowing how many miles I’ve traveled is important for both fuel management and ensuring that I adhere to maintenance intervals. When my odometer wasn’t working correctly, I found it challenging to plan my trips effectively and could potentially overlook necessary services, which could lead to costly repairs down the line.
Additionally, I’ve discovered that a functioning speedometer is vital for safe driving. I’ve experienced moments where I was unsure of my speed, which can be dangerous, especially on highways or in heavy traffic. Replacing the speedometer gears has made my driving experience much safer
Buying Guide: Dodge Ram Cummins Replacement Tripometer Odometer Gears Speedometer
Understanding the Importance of Odometer Gears
When I first realized my Dodge Ram Cummins had issues with the tripometer and odometer, it became clear how crucial these components are for accurate mileage tracking. Odometer gears play a significant role in ensuring that I have reliable information about the distance traveled, which is essential for maintenance and resale purposes.
Identifying the Symptoms of Worn Gears
Before diving into the replacement process, I learned to recognize the signs of worn or broken odometer gears. For me, the most obvious indicators were the odometer not moving at all or showing erratic mileage. Additionally, I noticed that the tripometer reset button sometimes didn’t function correctly. Being aware of these symptoms helped me understand when it was time to consider replacement.
Choosing the Right Replacement Gears
When it came to selecting replacement gears, I found that compatibility is paramount. I researched the specific gear sizes and types that fit my Dodge Ram Cummins model. It’s crucial to ensure that the gears match the original specifications to avoid further issues down the line. I also considered whether I wanted to go with plastic or metal gears, as both have their pros and cons regarding durability and performance.
Assessing Quality and Durability
I quickly realized that not all replacement gears are created equal. I focused on finding gears made from high-quality materials to ensure longevity. I noted that gears made from durable plastics or metals tend to withstand wear and tear better. Reading reviews and gathering feedback from fellow Dodge Ram owners helped me gauge the reliability of different options.
Understanding Installation Requirements
As I prepared for the installation, I learned that having the right tools and a clear understanding of the installation process is essential. I gathered the necessary tools, such as screwdrivers and pliers, and reviewed instructional materials, including videos and guides. Being well-prepared made the installation process smoother and less stressful.
Considering Professional Help
While I felt confident about tackling the replacement myself, I also considered the option of professional installation. I weighed the cost of hiring a mechanic against my own skills and time. In the end, I decided that if I encountered any difficulties, having a professional handle it would save me a lot of potential headaches.
Budgeting for Replacement Parts
Setting a budget was another critical step in my buying process. I found that prices for replacement odometer gears can vary widely. I researched to get a sense of the average costs and included any additional expenses, such as tools or professional service fees. This helped me make informed decisions without overspending.
Final Thoughts
In my experience, replacing the tripometer and odometer gears in my Dodge Ram Cummins was a necessary and rewarding task. With the right information and preparation, I felt empowered to tackle the project confidently. I encourage others facing similar issues to take their time researching and understanding their options for a successful replacement.
Author Profile

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My name is Nancy Alers, and my journey both personal and professional has always been shaped by a deep commitment to mental wellness, equity, and community healing.
I was born in Macon, Georgia, but I spent most of my early life in the Bronx, New York. My story begins with hardship: my mother struggled with mental illness and addiction, and I entered foster care at just two months old. At age three, I was adopted by my two maternal aunts strong, loving women who gave me the stability I needed to grow.
In 2025, I began sharing what I’ve learned beyond just local projects. Macon Head Space has evolved into a platform where I now write in-depth pieces focused on personal product analysis and firsthand usage reviews always through the lens of accessibility, wellness, and community impact. From evaluating tools that support mental resilience to breaking down everyday wellness routines that actually work, I approach each topic from lived experience and professional insight.
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