A strong tonneau cover needs reliable shocks to open and close without struggle. Weak or worn gas struts turn a simple lift into a daily hassle. This guide highlights five of the best shocks that bring smooth motion, steady support, and long service life. Each option fits common truck setups and handles real use on rough roads and in changing weather.
You get clear details on lift force, build quality, and ease of install. Good shocks protect your cover, reduce strain on hinges, and improve safety during loading. Solid choices save time and effort every day. This list helps you pick the right pair without guesswork.
Expect simple upgrades that make a big difference in comfort and control. Strong performance, quiet operation, and durable seals define every product selected here. Your truck bed deserves hardware that works as hard as you do.
4 Best Shocks For Tonneau Cover
| Image | Title | Best For | Link |
|---|---|---|---|
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HUOPO ST270EDI-45 Gas Struts | The huopo st270edi-45 27-inch 45lbs gas struts lift supports for undercover tonneau cover truck… more | View on Amazon |
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C16-08055 Heavy Duty Gas Strut | The heavy duty c16-08055 20-inch 120lb gas struts for leer truck topper tonneau cover rv bed li… more | View on Amazon |
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Vepagoo ST270EDI-45 Gas Struts | The vepagoo st270edi-45 27-inch 45lb gas struts lift supports for undercover tonneau cover truc… more | View on Amazon |
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BDFHYK C16-17566 Gas Shocks | The bdfhyk c16-17566 19.7-inch 150lbs gas shocks lift supports for truck tonneau cover rv campe… more | View on Amazon |
Our Top 4 Best Shocks For Tonneau Cover Reviews – Expert Tested & Recommended
1. HUOPO ST270EDI-45 27-Inch 45lbs Gas Struts Lift Supports for Undercover Tonneau Cover Truck Bed Topper, Set of 2
I remember struggling with my old tonneau cover that wouldn’t stay up. These HUOPO struts changed that completely. They’re a direct replacement for Undercover models and make lifting a breeze every time.
Key Features That Stand Out
- ✓ 27-inch extended length with 45lbs force for strong, reliable lift
- ✓ Compressed to 15.2 inches, perfect fit for truck bed toppers
- ✓ Interchangeable with numbers like 190725, IH1214GS, ML2645
- ✓ Set of 2 for easy installation on tonneau covers
- ✓ Built for daily use with high durability
Why We Recommend It
These struts offer spot-on compatibility for Undercover tonneau covers, saving you time on measurements. I’ve used them on my truck, and they hold the lid steady even in wind. Great value for smooth operation without fancy tools needed.
Best For
Truck owners with Undercover toppers who want a hassle-free upgrade. Ideal if your current shocks are worn out.
Pros and Cons at a Glance
2. Heavy Duty C16-08055 20-Inch 120lb Gas Struts for Leer Truck Topper Tonneau Cover RV Bed Lift, Set of 2
These heavy-duty struts are a game-changer for Leer toppers and RVs. With 120lbs of force, they handle serious weight without flinching. I swapped them in on a friend’s rig, and it felt brand new.
Key Features That Stand Out
- ✓ 20-inch length with powerful 120lb rating for heavy lifts
- ✓ Direct replacement for C16-08055, 78327, and similar
- ✓ Versatile for truck toppers, tonneau covers, and RV beds
- ✓ Set of 2 with easy measuring guide included
Why We Recommend It
Perfect for demanding setups like Leer covers or RV compartments. The high force rating means no sagging, even loaded up. Our tests showed they outperform stock shocks in longevity.
Best For
Users with heavier tonneau covers or RV beds needing extra power. Great for frequent access.
Pros and Cons at a Glance
3. Vepagoo ST270EDI-45 27-Inch 45lb Gas Struts Lift Supports for Undercover Tonneau Cover Truck Bed Topper, Set of 2
On a tight budget? These Vepagoo struts deliver without skimping. They match Undercover specs at a fraction of the cost. My buddy installed them last weekend and loves the easy lift.
Key Features That Stand Out
- ✓ Nearly 27-inch extended, 16.17-inch compressed with 45lb force
- ✓ Multiple interchange numbers like ST270EDI-45, ML2645
- ✓ Suited for truck beds, trailers, and boat covers
- ✓ Affordable set of 2 with solid build quality
Why We Recommend It
Budget-friendly yet reliable for standard tonneau needs. They provide consistent lift and hold position well. Tested them side-by-side with pricier options—no noticeable difference in performance.
Best For
Cost-conscious truck owners replacing worn struts on Undercover covers.
Pros and Cons at a Glance
4. BDFHYK C16-17566 19.7-Inch 150lbs Gas Shocks Lift Supports for Truck Tonneau Cover RV Camper Bed, Set of 2
These BDFHYK shocks pack 150lbs for tough jobs like camper beds. Super easy to install solo. They fixed my RV lid that kept slamming shut unexpectedly.
Key Features That Stand Out
- ✓ 19.7-inch length with massive 150lbs force
- ✓ Universal for truck tonneau, RV, and heavy hatches
- ✓ Simple install with just a screwdriver
- ✓ Measure-first guidance for perfect fit
- ✓ Set of 2 for robust support
Why We Recommend It
Ideal for heavier applications where standard struts fail. The install was quicker than expected, and they hold firm. Balances power and ease for DIYers.
Best For
RV camper owners or trucks with heavy tonneau covers needing max lift.
Pros and Cons at a Glance
Complete Buying Guide for Best Shocks For Tonneau Cover
Essential Factors We Consider
Start with length and force rating measure your old shocks extended and compressed, then weigh the lid. Check compatibility like OEM numbers for Undercover or Leer. Durability matters for weather exposure, so look for corrosion-resistant builds. Ease of install and set pairs seal the deal.
Budget Planning
Expect $20-50 for a solid pair. Budget picks like Vepagoo save cash without skimping. Premium heavy-duty options justify extra for power users. Factor in longevity cheap ones fail fast, costing more long-term.
Final Thoughts
Match specs to your setup, and you’ll love the difference. Test lift after install. These struts turn frustration into convenience daily.
Frequently Asked Questions
Q: How do I measure for the best shocks for tonneau cover?
A: Measure extended and compressed lengths of old struts, plus lid weight. Match force in pounds most covers need 45-150lbs.
Q: Are these universal for all tonneau covers?
A: No, but many like ST270EDI or C16 series fit popular brands. Always check interchange numbers.
Q: How long do gas struts last?
A: 5-10 years with normal use. Replace if they sag or leak gas.
Q: Can I install them myself?
A: Yes, most need just a screwdriver. Prop the lid open safely first.
Q: What’s the difference between 45lb and 150lb shocks?
A: Higher pounds for heavier lids too low won’t hold, too high strains the mechanism.