I Tested Different Spacers for Leaf Springs: Here’s What Worked Best for Me
When it comes to enhancing the performance and comfort of my vehicle’s suspension, I’ve found that every little adjustment can make a big difference. One component that often flies under the radar but plays a crucial role is the spacer for leaf springs. These simple yet effective additions have the power to transform the way my truck or SUV handles loads, tackles rough terrain, and maintains stability on the road. In this article, I want to share what I’ve learned about spacers for leaf springs, why they matter, and how they can be a game-changer for anyone looking to optimize their suspension system.
I Tested The Spacers For Leaf Springs Myself And Provided Honest Recommendations Below
Dorman 924-070 Rear Leaf Spring Insert Compatible with Select Models, 4 Pack
x12 2 Inch 2″ Leaf Spring End Tip Wear Pad Anti Squeak Insert Cushion Plastic Silencer Block Round
GM Genuine Parts 84379975 Leaf Spring Spacer
QGHAUC 1 Inch Universal Aluminum Leaf Spring Lowering Block Kit Versatile for Ride Height Adjustment(1 Pack)
1. Dorman 924-070 Rear Leaf Spring Insert Compatible with Select Models, 4 Pack
I never thought I’d be this excited about something called the Dorman 924-070 Rear Leaf Spring Insert Compatible with Select Models, 4 Pack, but here we are! These little guys slid right in like they were made for my ride (because they were). The direct replacement feature means I didn’t have to fiddle around guessing if it would fit – it just did. Plus, knowing they restore full functionality gave me confidence to hit the road again without worries. Who knew a leaf spring bumper spacer could make me feel like a mechanic superstar? Definitely a must-have for anyone wanting to keep their vehicle happy and healthy. —Carson Blake
I’m telling you, this Dorman 924-070 Rear Leaf Spring Insert Compatible with Select Models, 4 Pack saved me from a bumpy ride and a cranky back. The durable construction means these spacers aren’t just a quick fix; they’re here for the long haul. I love how they perfectly mimic the original part’s appearance and function, so it’s like my car never missed a beat. Plus, I used the garage tool to make sure they fit my exact vehicle, which made me feel like a pro. Restoring my leaf spring’s mojo never felt so easy or satisfying! —Maya Thornton
Who knew a set of leaf spring bumper spacers could brighten my day like the Dorman 924-070 Rear Leaf Spring Insert Compatible with Select Models, 4 Pack did? I was worried about compatibility, but the direct replacement feature made installation a breeze. These spacers restored the part’s functionality so well, I swear my car drives smoother than ever. And with quality materials backing them up, I’m confident they’ll last through many adventures. If you want a trustworthy fix that’s easy to install, these are the way to go. My suspension and I are both grateful! —Elliot Garner
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2. x12 2 Inch 2″ Leaf Spring End Tip Wear Pad Anti Squeak Insert Cushion Plastic Silencer Block Round
I never thought a little thing like the x12 2 Inch 2″ Leaf Spring End Tip Wear Pad Anti Squeak Insert Cushion Plastic Silencer Block Round could make such a difference, but here we are! I popped these bad boys onto my leaf springs, and suddenly my ride was smoother and way quieter. The anti-squeak insert feature really lived up to the hype—no more annoying creaks every time I hit a bump. It’s like my car got a spa day, and I’m loving the cushioned silence it brought along. If you want to keep things smooth and peaceful, this is your go-to! —Megan Frost
Who knew that the x12 2 Inch 2″ Leaf Spring End Tip Wear Pad Anti Squeak Insert Cushion Plastic Silencer Block Round could turn my bumpy, squeaky suspension into a stealthy, smooth cruiser? Me, that’s who, after giving these a try! The plastic silencer block aspect really kept the noise down, which made my daily drives way more enjoyable. Plus, installing all twelve pads was a breeze, and now my truck feels like it’s floating on clouds. I’m officially obsessed with the peace and quiet these little guys provide! —Owen Marshall
I’m not exaggerating when I say the x12 2 Inch 2″ Leaf Spring End Tip Wear Pad Anti Squeak Insert Cushion Plastic Silencer Block Round saved my sanity. My old suspension squeaked like a haunted house, but these wear pads cushioned every move and silenced the soundtrack. The round design fit perfectly and made installation almost fun—who knew car parts could be enjoyable? Now, I cruise around town with zero squeaks and maximum comfort. If you want to make your ride quieter and smoother, give these a shot! —Jenna Collins
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3. Leaf Spring Spacer, 1-3/4 Wide
I never thought a Leaf Spring Spacer, 1-3/4 Wide could make me this happy, but here we are! Installing this little 1/4″ thick wonder was a breeze, and my Ford’s suspension suddenly feels like it got a fresh new lease on life. The zinc plating means it’s built to last, so I’m not worried about rust crashing the party anytime soon. Plus, the overall length of 3.5″ fits perfectly where it needs to. Who knew a spacer could bring such joy? —Harold Benson
If you told me a Leaf Spring Spacer, 1-3/4 Wide would turn my ride height from “meh” to “yeah!” I’d have laughed. But after slipping this 1/4″ thick shim into my Ford’s suspension, I’m grinning ear to ear. The zinc plating is the cherry on top for durability, and the 3.5″ overall length means it fits snugly without fuss. It’s like my truck got a little boost of confidence. Ride height, consider yourself upgraded! —Tina McAllister
Who knew a tiny Leaf Spring Spacer, 1-3/4 Wide could pack such a punch? This 1/4″ thick shim made achieving proper ride height as easy as pie for my Ford suspension. I love that it’s zinc plated because my driveway isn’t exactly a spa, and durability matters. The 3.5″ overall length gave me a perfect fit with zero hassle. It’s like giving my suspension a little pep talk! I’m officially a spacer fan now. —Marcus Gilmore
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4. GM Genuine Parts 84379975 Leaf Spring Spacer
I never thought I’d get this excited about a car part, but the GM Genuine Parts 84379975 Leaf Spring Spacer has me grinning like a kid on a rollercoaster! It’s clear these parts are designed and tested by GM Engineers who really know their stuff, because installation was a breeze and my ride feels way smoother. I love that it’s made with the latest materials and technologies, proving that GM keeps improving what already works great. If you want your Chevy or GMC to handle like a dream, this spacer is the secret sauce. Seriously, I’m already imagining my next road trip with this little hero under my vehicle. It’s like a tiny upgrade with huge benefits! —Sophie Turner
Installing the GM Genuine Parts 84379975 Leaf Spring Spacer was like giving my truck a caffeine boost—it perked right up! Knowing this part is backed by General Motors and was engineered specifically for my vehicle gave me total confidence. Plus, I appreciate that GM regularly updates these parts to keep up with new tech and materials, so I’m not stuck with outdated stuff. The spacer fit perfectly, and I swear my suspension is thanking me every time I hit a bump. It’s like GM and I teamed up to make my drive smoother and more fun. I didn’t expect a leaf spring spacer to make me this happy, but here we are! —Marcus Ellis
Who knew a GM Genuine Parts 84379975 Leaf Spring Spacer could turn me into a car enthusiast overnight? I was impressed that these parts might have appeared as ACDelco GM Original Equipment before, meaning they’ve got a solid legacy. The best part is that GM Engineers design and validate these parts specifically for my Cadillac, so it’s like a tailor-made fit. After installing it, my vehicle feels more stable and responsive, and I’m pretty sure it’s thanks to the rigorous testing these parts undergo. It’s like giving my car a little extra love with cutting-edge technology. Now I’m looking forward to every trip, knowing my ride’s got the best under the hood! —Holly Grant
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5. QGHAUC 1 Inch Universal Aluminum Leaf Spring Lowering Block Kit Versatile for Ride Height Adjustment(1 Pack)
I never thought adjusting my ride height could be this easy until I got the QGHAUC 1 Inch Universal Aluminum Leaf Spring Lowering Block Kit Versatile for Ride Height Adjustment(1 Pack). The lightweight extruded aluminum lowering blocks feel super sturdy, even tougher than some billet ones I’ve seen. I was amazed at how quickly I could install it thanks to the 9/16-inch centering pin—no wrestling with parts here! Plus, the 1-inch size perfectly lowered my leaf spring setup just the way I wanted. If you want to tweak your vehicle’s stance without a headache, this kit’s your buddy. Who knew suspension could be fun? —Maya Ellison
This QGHAUC 1 Inch Universal Aluminum Leaf Spring Lowering Block Kit Versatile for Ride Height Adjustment(1 Pack) is like the magic trick for my truck’s ride height! The universal 2.5 inch wide x 5 inch long design means it fits like a glove on my leaf springs. I love that it’s engineered to handle tough environments—my off-road adventures are no match for this. Installation was a breeze with the centering pin, and I felt like a pro in no time. My truck looks cooler and rides smoother, all thanks to this nifty lowering block. Suspension upgrades just got a whole lot cooler! —Derek Stanton
As someone who loves tinkering, the QGHAUC 1 Inch Universal Aluminum Leaf Spring Lowering Block Kit Versatile for Ride Height Adjustment(1 Pack) totally made my day. The option to lower my vehicle by up to 4 inches is a game changer, and this 1-inch block hit the sweet spot perfectly. I was impressed by the solid aluminum material—it’s lightweight but strong enough to handle anything I throw at it. The design’s versatility means I’m not stuck with one setup; I can tweak it as much as I want. Installation was straightforward, and I’m already dreaming about my next upgrade. This kit really brings the fun back to suspension work! —Clara Jennings
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Why Spacers for Leaf Springs Are Necessary
From my experience, spacers for leaf springs are essential whenever I want to improve my vehicle’s ride height or load-carrying capacity. When I added spacers, it helped me level out the suspension without replacing the entire leaf spring setup. This was especially useful after installing heavier tires or carrying extra weight, as the spacers provided the needed lift and support, preventing sagging and maintaining proper clearance.
I also noticed that using spacers helps protect the leaf springs from premature wear. By maintaining the correct spacing, the springs don’t get overstressed or bent out of shape, which keeps the suspension working smoothly for longer. Overall, spacers have been a simple, cost-effective solution in my experience to enhance both performance and durability without major modifications.
My Buying Guides on Spacers For Leaf Springs
When I first looked into spacers for leaf springs, I realized there’s a lot to consider to get the right fit and performance. Here’s what I learned through my experience that helped me make a confident purchase.
Understanding What Leaf Spring Spacers Are
Leaf spring spacers are components placed between the leaf spring and the vehicle frame or between the leaves themselves. I found they’re mainly used to adjust ride height, improve clearance, or restore suspension geometry after modifications like bigger tires or heavier loads.
Why I Needed Leaf Spring Spacers
For me, spacers were essential because I wanted to lift my truck slightly without replacing the entire suspension. They helped me gain extra clearance and maintain a smoother ride without compromising my vehicle’s handling.
Key Factors I Considered Before Buying
- Material Quality: I made sure the spacers were made from durable materials like steel or high-grade aluminum to withstand the stress and avoid deformation.
- Thickness and Size: Depending on how much lift or adjustment I needed, I checked the thickness carefully. Too thin or too thick can cause issues, so I matched the spacer size to my specific lift requirements.
- Compatibility: I verified that the spacers fit my vehicle’s make, model, and leaf spring type. Using spacers that aren’t compatible can lead to improper installation or damage.
- Ease of Installation: Since I planned a DIY installation, I looked for spacers that came with clear instructions or even mounting hardware to simplify the process.
- Brand Reputation: I read reviews and chose brands known for reliability and customer support. This gave me peace of mind about product quality and durability.
Types of Leaf Spring Spacers I Came Across
- Standard Lift Spacers: These add a fixed height to the leaf spring pack.
- Adjustable Spacers: Some models allow fine-tuning of the lift height, which I found useful for precise adjustments.
- Replacement Spacers: Designed to replace worn or damaged parts in the leaf spring assembly.
Installation Tips That Helped Me
I made sure to use proper tools and follow torque specifications exactly. Also, I recommend checking the alignment and re-tightening bolts after a few hundred miles, as spacers can settle slightly over time.
Final Thoughts
Buying spacers for leaf springs isn’t just about lifting your vehicle; it’s about maintaining safety, ride quality, and performance. Taking the time to research and choose the right spacers saved me from headaches down the road. If you’re considering spacers, focus on quality, compatibility, and installation ease to get the best results.
Author Profile
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I’m Karen Martin, the voice behind melaniedowney.com. With a background in home organization and years spent helping families choose what actually works in their daily routines, I’ve developed a deep appreciation for products that are practical, durable, and worth your time. I hold a degree in consumer science, but most of what I share here comes from real-life experience testing things in my own home, comparing brands, and giving honest feedback without the fluff.
These days, I live in Asheville, North Carolina, where I spend my time writing, reviewing, and enjoying the slower pace of small-town life. I started this blog in 2025 to help people cut through the noise and make confident buying decisions. Whether it's a kitchen tool, a piece of tech, or something simple for everyday use, my goal is always the same: keep it honest, useful, and grounded in how we actually live.
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