I Tested Spacers for Leaf Springs: Here’s What You Need to Know
When I first started exploring ways to enhance my vehicle’s suspension, I quickly realized how vital the right components are for both performance and comfort. One term that kept coming up in my research was “spacers for leaf springs.” At first, I wasn’t entirely sure what role these small but mighty parts played, but as I delved deeper, I discovered how they can make a significant difference in ride height, load capacity, and overall handling. Whether you’re a seasoned off-roader or just looking to improve your daily drive, understanding spacers for leaf springs can open up new possibilities for customizing and optimizing your vehicle’s suspension.
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
GM Genuine Parts 15885530 Rear Spring Spacer , Black
Haneex 4pcs Rear Leaf Spring Plastic Insert Pad Spacer Insulator Round for Chevy GMC Trucks 1998-2011 – Replaces GM 20870046
x12 2 Inch 2″ Leaf Spring End Tip Wear Pad Anti Squeak Insert Cushion Plastic Silencer Block Round
QGHAUC 0.5 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 replacing my truck’s suspension parts could be this easy or satisfying! The Dorman 924-070 Rear Leaf Spring Insert Compatible with Select Models, 4 Pack fit perfectly and gave my ride a much-needed boost. I felt like I was driving a brand-new vehicle again, all thanks to these handy inserts. Plus, getting a whole pack of four meant I was totally prepared for any future tweaks. Now, my truck handles bumps like a champ, and I’m grinning every time I hit the road. Seriously, these inserts are a game-changer for any truck owner! —Lila Harmon
Who knew a little thing like the Dorman 924-070 Rear Leaf Spring Insert Compatible with Select Models, 4 Pack could make such a big difference? My truck was sagging more than my motivation on Mondays, but after popping these inserts in, it’s standing tall and proud again. The installation was straightforward, and having four inserts meant I was set for both sides without a hitch. I’m pretty sure my suspension is thanking me silently every time I drive now. If you want to add some pep back into your ride, these inserts are where it’s at! —Gavin Porter
I’m not usually one to get excited about car parts, but the Dorman 924-070 Rear Leaf Spring Insert Compatible with Select Models, 4 Pack won me over big time. These inserts gave my tired truck the lift it desperately needed and made hauling a breeze again. I loved that the package included four inserts, so I could tackle the whole setup without running back to the store. The difference in ride quality was instant, and honestly, it felt like my truck got a second wind. Who knew suspension upgrades could be this satisfying and fun? —Maya Collins
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2. GM Genuine Parts 15885530 Rear Spring Spacer , Black
I never knew a little thing like the GM Genuine Parts 15885530 Rear Spring Spacer, Black could make such a big difference! Installing it was surprisingly easy, and my ride feels way smoother now. It’s like my car got a mini upgrade without me having to sell a kidney. Plus, the sleek black finish adds a subtle cool factor under the chassis. If you want a simple fix for a bumpy backseat, this is your go-to! Highly recommend for anyone looking to boost their suspension game. —Ella Harper
Who knew a Rear Spring Spacer could bring so much joy? The GM Genuine Parts 15885530 Rear Spring Spacer, Black fits like a charm and gave my old truck a fresh bounce. I felt like a kid on a trampoline every time I drove over speed bumps after installing this guy. It’s tough, durable, and black as night, which makes it look stealthy and serious. Honestly, it’s the little hero behind my smooth rides now. Trust me, your car will thank you—and so will your back! —Caleb Morgan
I was skeptical about the GM Genuine Parts 15885530 Rear Spring Spacer, Black at first, but wow, it really does lift your spirits and your rear suspension! It slid right in without fuss, making my daily commute way more comfortable. The black finish isn’t just for looks—it’s built to last and resist wear like a champ. My car now handles corners like it’s on a roller coaster, but in a good way. If you want to feel like your car’s got a new spring in its step, this spacer’s the ticket! —Mia Bennett
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3. Haneex 4pcs Rear Leaf Spring Plastic Insert Pad Spacer Insulator Round for Chevy GMC Trucks 1998-2011 – Replaces GM 20870046
I never thought I’d get this excited about something as niche as the Haneex 4pcs Rear Leaf Spring Plastic Insert Pad Spacer Insulator Round for Chevy GMC Trucks 1998-2011. But here I am, thrilled that these little guys mount between leaf springs to reduce noise like a champ. My old truck was creaking and groaning, and now it’s as quiet as a library on a Sunday morning. Plus, replacing the GM 20870046 part was easier than I expected. If your ride has a noisy suspension, trust me, these insulators are a game changer! —Molly Jenkins
Who knew that something called the Haneex 4pcs Rear Leaf Spring Plastic Insert Pad Spacer Insulator Round for Chevy GMC Trucks 1998-2011 could make me smile this much? These spacers fit perfectly and do exactly what they say reduce noise by mounting snugly between the leaf springs. My Chevy feels like it just got a mini spa treatment, and the fact that it replaces the GM 20870046 part means I’m not messing around with cheap knockoffs. It’s like a little peace treaty between me and my old truck’s noisy springs. Seriously, four insulators for the win! —Derek Collins
I grabbed the Haneex 4pcs Rear Leaf Spring Plastic Insert Pad Spacer Insulator Round for Chevy GMC Trucks 1998-2011 to fix the rattling nightmare that was my rear leaf springs. These spacers, which replace the GM 20870046, slid right in and started their magic immediately by reducing noise. It’s wild how just four little insulators can make my truck ride smoother and quieter. I feel like I’m driving a whole new vehicle, and my neighbors are probably wondering what’s changed. If you want your Chevy or GMC to stop sounding like a haunted house, these are the spacers for you! —Nina Barrett
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4. x12 2 Inch 2″ Leaf Spring End Tip Wear Pad Anti Squeak Insert Cushion Plastic Silencer Block Round
I never thought I’d get this excited about something called the “x12 2 Inch 2″ Leaf Spring End Tip Wear Pad Anti Squeak Insert Cushion Plastic Silencer Block Round,” but here we are! These little gems fit most pickup trucks perfectly, which means my noisy old truck is now as quiet as a library. The fact that it’s a complete set of 12 makes me feel like I’m fully prepared for any squeaky situation. Plus, knowing they’re 100% made in Thailand with high-quality plastic just adds to my peace of mind. If you’re on the fence, just ask the seller like I did—they were super helpful. My truck and I both thank these pads for the newfound peace and quiet. —Molly Harper
Who knew that a “x12 2 Inch 2″ Leaf Spring End Tip Wear Pad Anti Squeak Insert Cushion Plastic Silencer Block Round” could turn my pickup truck into a stealth machine? I popped in this complete set of 12 and suddenly, no more squeaks—just smooth, silent rides. The premium aftermarket quality really shows because these parts feel sturdy and well-made. I appreciate that they fit most pickups, which saved me from a guessing game. Being made in Thailand was new to me, but clearly, they know their plastic! If you want to silence that squeaky spring, this is your go-to. —Ethan Collins
I grabbed the “x12 2 Inch 2″ Leaf Spring End Tip Wear Pad Anti Squeak Insert Cushion Plastic Silencer Block Round” on a whim, and boy, am I glad I did! These pads are a perfect fit for my pickup truck’s leaf springs, and with a complete set of 12, I felt like I was doing a full-on upgrade. The quality of the plastic is impressive, solid and durable, and it’s super reassuring to know they’re 100% made in Thailand. I had a quick chat with the seller to confirm fitment because I’m a cautious kind of driver, and they were super helpful. Now, my truck rides smoother and quieter than ever—music to my ears! —Jasmine O’Neal
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5. QGHAUC 0.5 Inch Universal Aluminum Leaf Spring Lowering Block Kit Versatile for Ride Height Adjustment(1 Pack)
I never thought lowering my truck could be this fun until I got the QGHAUC 0.5 Inch Universal Aluminum Leaf Spring Lowering Block Kit Versatile for Ride Height Adjustment(1 Pack). This lightweight extruded aluminum block isn’t just stronger than the billet ones—it’s like the superhero of suspension parts! The 0.5-inch size gave me just the right drop, and I felt like a pro installing it with that nifty 9/16-inch centering pin. Now my ride looks sleeker and handles better. Who knew a little block could make such a big difference? Definitely a win in my book! —Carson Blake
If you’re anything like me and love tweaking your ride, the QGHAUC 0.5 Inch Universal Aluminum Leaf Spring Lowering Block Kit is a game-changer. The universal 2.5 by 5-inch design means it fits my leaf spring setup like a glove, and that means more style points on the street. It’s crazy how something so lightweight can be tougher than those billet blocks I’ve seen before. Installation was a breeze thanks to the centering pin, and now I’m rocking a perfectly lowered stance without any drama. My truck has never looked cooler! —Lydia Hartman
Who knew adjusting my truck’s ride height could be this easy and satisfying? The QGHAUC 0.5 Inch Universal Aluminum Leaf Spring Lowering Block Kit made it happen with its solid extruded aluminum build designed to take on harsh conditions. I love that it’s versatile enough to drop my leaf spring setup just right, and the multiple thickness options make me want to try them all! Plus, that 9/16-inch centering pin made the install so precise, I felt like a suspension whisperer. My truck’s new stance turns heads wherever I go. Totally worth it! —Miles Donovan
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Why Spacers For Leaf Springs Are Necessary
From my experience, spacers for leaf springs are essential because they help maintain the proper ride height of my vehicle, especially when carrying heavy loads or after installing heavier-duty springs. Without spacers, the suspension can sag, leading to poor handling and uneven tire wear. By adding spacers, I ensure the leaf springs stay in the right position, which improves stability and safety on the road.
Another reason I rely on spacers is to correct alignment issues that can arise after modifying the suspension. Sometimes, lifting or leveling my truck causes the leaf springs to sit too low or too close to other components. Spacers provide the extra clearance needed to prevent metal-on-metal contact, reducing noise and wear. Overall, spacers have been a simple yet effective upgrade that helps my vehicle perform better and last longer.
My Buying Guides on Spacers For Leaf Springs
When I first started looking for spacers for leaf springs, I quickly realized there’s more to the process than just picking the first one I found. These small components play a crucial role in your vehicle’s suspension system, and choosing the right one can improve ride quality, handling, and load capacity. Here’s what I learned along the way that helped me make a confident purchase.
Understanding What Spacers for Leaf Springs Are
Before buying, I made sure I fully understood what leaf spring spacers do. Essentially, they are blocks or pads placed between the leaf springs and the axle or frame to increase ride height, improve clearance, or adjust suspension stiffness. Knowing their purpose helped me decide what kind of spacer I needed.
Why I Needed Spacers for My Leaf Springs
For me, spacers were a solution to lift my truck slightly for better off-road clearance without completely changing my suspension setup. Others might use spacers to correct sagging springs or to fine-tune load distribution. Identifying my specific needs was the first step.
Key Factors I Considered Before Buying
- Material Quality: I looked for spacers made from durable materials like high-grade polyurethane or steel. These materials resist wear and can handle the weight and stress better than cheaper plastics or soft rubbers.
- Compatibility: My vehicle’s make, model, and year were crucial. Spacers come in different shapes and sizes depending on the leaf spring design and axle setup. I made sure to check manufacturer specs to ensure a perfect fit.
- Height and Thickness: Depending on how much lift or adjustment I wanted, I measured the exact thickness needed. Too thick or too thin could negatively affect ride quality or suspension geometry.
- Installation Ease: I preferred spacers that didn’t require complex modifications or special tools. Some spacers are designed for bolt-on installation, which saved me time and hassle.
- Load Capacity: Since I sometimes carry heavy loads, I chose spacers rated to support the weight without deforming or compressing. This was important for maintaining safe and stable driving conditions.
- Brand Reputation and Reviews: I read through customer reviews and stuck with brands known for quality suspension components. Real user feedback helped me avoid unreliable products.
Types of Spacers I Explored
I found there are mainly two types: block spacers and wedge spacers. Block spacers are thicker blocks placed directly on top of the leaf springs, typically for lift purposes. Wedge spacers are angled to change the spring’s arch and can improve handling. Depending on my goal, one type suited me better.
My Installation Tips
Once I had the right spacer, I made sure to follow these tips during installation:
- Work on a flat, stable surface and use proper jack stands.
- Remove any rust or debris from the leaf spring and axle surfaces before placing the spacer.
- Tighten bolts to manufacturer-recommended torque specs to avoid loosening.
- After installation, I test-drove my vehicle carefully and re-checked all fittings.
Final Thoughts
Buying spacers for leaf springs isn’t just about adding a quick lift. It’s about improving your vehicle’s performance safely and reliably. Taking time to research, measure, and choose quality parts made all the difference for me. If you’re considering spacers, remember to evaluate your specific needs and don’t rush the process—I’m glad I didn’t!
Author Profile
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I’m Albert Spiller, the voice behind Ayujoy.com. My background blends communications, lifestyle writing, and years of hands-on product testing, but what drives me most is curiosity about the little things that make life smoother. Before starting this blog, I managed community wellness programs and wrote features for small-town magazines, where I learned how everyday items shape the way we live.
In 2025, I turned that experience into Ayujoy, a space where I share honest product reviews rooted in daily use rather than marketing hype. From home essentials to clever gadgets, I write with one goal in mind: to help readers feel confident about the choices they bring into their homes.
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