6 Best Step Tension Springs For Manual Folding Staircases

Nothing ruins a day of travel quite like a set of folding stairs that refuse to stay stowed or, worse, feel flimsy underfoot when entering the vehicle. Step tension springs are the unsung heroes of entryways, providing the necessary mechanical resistance to ensure stairs lock securely into place and deploy with controlled ease. Investing in the right set prevents mechanical failure and eliminates the rattling that often accompanies worn-out hardware on the road.

Disclosure: As an Amazon Associate, this site earns from qualifying purchases. Thank you!

MORryde Sure-Tension: Best Overall Performance

The MORryde Sure-Tension system stands out as the industry benchmark for consistent, reliable step operation. These springs are engineered to maintain their elasticity over thousands of cycles, which is critical for those who frequently move between campsites. If longevity and a smooth deployment action are the top priorities, this is the gold standard.

The design focuses on precise tension calibration, preventing the “bouncing” effect seen in lesser-quality springs. Because the tension remains stable regardless of temperature changes, the steps stay snug against the frame rather than vibrating during transit. It is the ideal choice for full-time travelers who cannot afford to deal with mechanical fatigue.

For anyone seeking a “set it and forget it” solution, the Sure-Tension is the most logical investment. It minimizes the need for repeated adjustments and ensures the steps function as intended every time. Choosing this product means prioritizing long-term peace of mind over a lower upfront price tag.

Lippert Solid Stance Spring: For Heavy-Duty Steps

Heavier step assemblies require more robust tension to keep them from drifting or sagging. The Lippert Solid Stance springs are specifically designed to handle the extra mass of multi-step systems or those equipped with stabilizer legs. These are built thicker and tighter than standard aftermarket replacements.

Using a lightweight spring on a heavy-duty step is a recipe for premature failure and potential safety hazards. The Lippert springs provide the necessary counter-balance to ensure the weight is managed effectively during both opening and closing. They are the clear preference for those retrofitting larger step assemblies onto their mobile dwellings.

If the step system is substantial or prone to sagging, settle for nothing less than this specialized strength. These springs provide the structural support needed to keep the assembly tight against the rig. When the hardware carries the weight, the user carries less risk of failure.

Stromberg Carlson Flex-Coil: Best for Rust Resistance

Exposure to road salt, humidity, and constant moisture is the fastest way to ruin a tension spring. The Stromberg Carlson Flex-Coil features a specialized coating process that provides exceptional resistance to oxidation. For those living near the coast or navigating winter roads, these are the most durable option available.

Corrosion doesn’t just look unsightly; it compromises the tensile strength of the metal, leading to snapped coils. By choosing a product designed for harsh environments, the frequency of replacements drops significantly. The Flex-Coil effectively bridges the gap between high performance and environmental durability.

This is the smartest choice for anyone who lives in, or frequently travels through, regions with high moisture levels. Do not settle for bare steel springs if the vehicle is exposed to the elements. The added protection provided by this coil is worth every extra cent.

Hickory Springs Dura-Lift: Easiest to Install

Not everyone has a full machine shop at their disposal when a spring snaps on the road. The Hickory Springs Dura-Lift series is designed with a standardized geometry that fits a wide range of manual step configurations. The loops are sized for quick engagement with existing mounting points, minimizing the frustration of DIY repairs.

Installing a new spring often requires fighting against high tension, which can be dangerous if the hooks are poorly shaped. The Dura-Lift’s design accounts for human ergonomics, allowing for an easier hook-up without needing specialized industrial tools. It is the top recommendation for those who prioritize ease of maintenance.

If the goal is to get the stairs functional again with minimal fuss, look no further than this option. The ease of installation is a major advantage for those performing repairs in less-than-ideal conditions, such as a campground or parking lot. Choose these for simplicity and efficiency.

Torklift GlowStep Spring Kit: Premium Upgrade Pick

The Torklift GlowStep Spring Kit is an premium choice for those looking to optimize their entire step ecosystem. These springs are part of a broader engineering philosophy that emphasizes superior leverage and tension control. They are particularly effective when paired with higher-end, manual step systems that prioritize ease of use.

The material quality and tension consistency are noticeably higher than standard replacements. While the price point is higher, the tactile feedback when operating the steps is vastly improved. It is an investment in the quality of the interaction, ensuring that the steps feel solid and premium rather than like a standard hardware-store fix.

This is not necessarily the budget option, but it is the luxury choice for the discerning builder. If the goal is a step system that feels effortless and stays perfectly secure, these springs are the logical upgrade. It is for those who refuse to compromise on the feel and longevity of their equipment.

AP Products 013-083 Spring: Best Budget Replacement

Sometimes the only thing needed is a functional replacement to get back on the road. The AP Products 013-083 is the quintessential “get it done” part that balances basic reliability with an accessible price. It is widely available, easy to source, and compatible with a vast array of standard manual steps.

While it may not feature the specialized coatings of premium options, it performs the core task perfectly well. For an older rig where an expensive upgrade isn’t justifiable, this spring provides the exact function required. It is a pragmatic choice for the value-conscious traveler who needs a dependable fix.

Stocking a spare pair of these is a smart insurance policy for any long-term traveler. There is no reason to overspend on high-end hardware if the vehicle is nearing the end of its lifecycle or if functionality is all that matters. These are the workhorses of the industry, offering total reliability for a minimal cost.

How to Know When Your Step Springs Need Replacing

Recognizing the signs of spring fatigue early can prevent a mid-trip malfunction. If the steps feel “loose” while driving or fail to snap firmly into their stowed position, the tension has likely degraded. Any visible signs of rust, thinning of the metal coils, or permanent deformation are clear indicators that the spring is nearing the end of its life.

Another subtle sign is an increase in rattle or vibration noise coming from the entry area while the vehicle is in motion. If the steps move easily when touched while in the stowed position, the spring is no longer providing adequate hold. When in doubt, compare the current tension to a new unit; a significant difference in physical effort required to stretch the coil is proof enough.

Choosing the Right Spring Tension for Your Steps

Tension is not a “one size fits all” metric. A spring that is too weak will allow the steps to sag, creating a hazardous entry and increasing wear on the mounting brackets. Conversely, a spring that is too strong can make the steps difficult to deploy, potentially causing the user to struggle with the weight of the assembly.

Always measure the distance between mounting holes when the step is in the fully stowed position to determine the correct spring length. Using a spring that is too long will result in poor tension, while one that is too short may be impossible to install safely. Check the manufacturer’s specifications for the specific step assembly before purchasing, as they usually dictate a required tension range for optimal performance.

Safe Installation: Tools and Essential Safety Tips

Installing a step spring is a high-tension task that carries inherent risks. Always use a spring puller tool rather than a standard screwdriver, which can slip and cause injury. Wear eye protection during the process, as a spring that slips under tension can act as a projectile.

Clear the area of any obstructions and ensure the step assembly is supported by a jack or blocks so that it doesn’t drop unexpectedly during the swap. Never attempt to “force” a spring into place with brute strength; if it won’t fit, the spring is likely the incorrect size or the anchor point is damaged. Safety is about preparation, not force.

Extending Spring Life: Maintenance and Lubrication

Maintenance for tension springs is simple but often overlooked. Applying a light, dry lubricant to the contact points where the spring hooks onto the frame prevents metal-on-metal wear and resists rust. Avoid heavy greases that attract dirt and road grit, which can act as an abrasive.

In addition to lubrication, keep the area around the spring mounting points clean of road debris and salt buildup. Regularly inspect the springs during every seasonal maintenance check to look for early signs of cracking or stretching. With just a few minutes of care per season, the lifespan of even standard springs can be doubled.

Choosing the correct tension spring is an exercise in balancing performance, durability, and cost. By identifying the specific needs of the step assembly and the environment in which the vehicle operates, travelers can ensure that their entry points remain secure and functional for years to come. Ultimately, a little extra attention to these small components leads to a significantly safer and more reliable experience on the road.