When it comes to upgrading your Ram truck with a Cummins diesel engine, suspension components play a critical role in ride quality, handling, and towing capability. Mopar suspension parts are a popular choice among Cummins owners because they are designed to match the factory specifications and often provide a direct bolt-on fit. However, choosing the right parts can be overwhelming, especially when you factor in the vast amount of information available in online forums. This guide covers the most common Mopar suspension upgrades, what to consider before making a purchase, and how to leverage forum discussions to make an informed decision.
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Why Mopar Suspension Parts for Cummins?
Mopar is Chrysler’s original equipment parts division, meaning these components are engineered to the same standards as the parts that came on your truck from the factory. For Cummins-powered Rams, this is especially important because the heavy-duty drivetrain places unique demands on the suspension.
Factory Fit and Reliability
Mopar suspension parts are designed to match the exact contours, mounting points, and spring rates of your specific model year. This eliminates guesswork and reduces the risk of installation errors. Many Cummins owners report that Mopar parts last longer than aftermarket alternatives when used for daily driving and moderate towing.
Performance Enhancements
While Mopar components are not typically the most aggressive in terms of off-road capability, they do offer performance-oriented upgrades like heavy-duty shocks, upgraded sway bars, and leveling kits that improve handling without sacrificing ride comfort. For Cummins trucks that carry heavy loads or tow trailers, these upgrades can significantly reduce body roll and improve stability.
Common Mopar Suspension Upgrades for Cummins Trucks
Cummins owners often look for parts that address common pain points like a stiff ride, excessive body roll, or front-end sag when a snow plow or winch is installed. Below are the most frequently discussed Mopar suspension parts in forums.
Shocks and Struts
Upgrading to Mopar’s heavy-duty shocks is one of the simplest and most effective improvements. Options like the Mopar Performance Monotube Shocks offer better damping control than factory units. These shocks are especially popular for 2013-2023 Ram 2500 and 3500 trucks with the 6.7L Cummins because they help reduce the harshness over rough pavement.
Sway Bars
A thicker front or rear sway bar reduces body lean in corners. Mopar offers a sway bar upgrade kit that fits many Cummins models. Forum discussions often highlight that this is a relatively easy install that makes a noticeable difference when towing a fifth-wheel trailer.
Coil Springs and Leaf Springs
For trucks that carry heavy loads or have a leveling kit, upgrading the springs is essential. Mopar leaf springs are available in various load ratings. Some Cummins owners add an extra leaf to the rear pack to prevent sag when a heavy camper is placed in the bed. Coil spring spacers or replacement coils are also common for front-end leveling, which is a frequent topic on forums.
What to Look for in a Mopar Suspension Kit
Before buying, you need to consider your specific truck setup and how you plan to use it.
Compatibility with Your Cummins Year and Model
Mopar parts are vehicle-specific. Align with a VIN decoder or use online parts catalog to confirm fitment. For example, suspension components for a 2012 Ram 2500 may not fit a 2019 model due to frame changes. Forums are a great place to verify this – many members post their exact truck details and what parts worked for them.
Ride Quality vs. Load Capacity
Heavy-duty springs and shocks can make an unloaded truck ride harsh. In forums, you’ll often see debates between stiffness and comfort. A good rule of thumb: if you tow or haul heavy loads more than 50% of the time, opt for a load-oriented setup. If your truck is a daily driver with occasional light towing, choose a more compliant set of shocks and possibly an add-a-leaf for occasional support.
Where to Find Discussions – The Role of Forums
Online forums remain the best place to get real-world feedback on Mopar suspension parts for Cummins trucks.
Popular Cummins Forum Threads
Sites like CumminsForum.com, DieselRamForum.com, and RamTruckForum.com have hundreds of threads dedicated to suspension upgrades. Many include detailed installation write-ups with photos, torque specs, and part numbers. Search for thread titles like “Mopar leveling kit review” or “Best shocks for 6.7 Cummins towing” to find relevant discussions.
How to Search Effectively
Use specific keywords like “Mopar suspension part number 68330748AA” or “2019 Ram 3500 rear sway bar install”. Most forums have advanced search functions that let you filter by subforum (e.g., “Suspension and Steering”) and sort by relevance or date. Pay attention to posts from verified owners with similar truck configurations to yours.
Installation Considerations
Proper installation is key to getting the most out of your Mopar suspension parts.
DIY vs. Professional Installation
Some upgrades, like swapping shocks or adding sway bars, are straightforward for a skilled DIYer with basic tools. However, replacing leaf springs or installing a full leveling kit requires a spring compressor, jack stands, and precise measurements. If you’re not comfortable, pay a reputable shop. Forums often list ballpark labor costs for common upgrades.
Alignment and Torque Specs
After any suspension change, you must get a four-wheel alignment. Mopar parts come with recommended torque values for all bolts – follow them exactly to avoid premature wear. Many forum members share the factory torque specs for nuts and bolts, which can save you time.
Final Recommendation
If you own a Cummins-powered Ram and want a reliable, hassle-free suspension upgrade, Mopar parts are a solid choice. Start with new shocks and a rear sway bar – these yield the most noticeable improvement for daily driving and towing. Use the forums to confirm exactly which part numbers match your truck and to read first-hand accounts of installation and performance. Resist the urge to go with overly stiff springs unless you frequently carry heavy loads. Remember, a well-matched suspension enhances both safety and comfort, so take the time to research and choose parts that align with your driving needs.