Best Rear Leaf Spring Spacers to Improve Ride Quality and Longevity
Rear leaf spring spacers are a practical upgrade for many trucks, SUVs, and golf carts. They can cushion rides, reduce noise, restore alignment, and help accommodate worn or missing spacers. This article reviews five reliable options from well-known brands, highlighting fitment, durability, and installation considerations to help you choose the right spacer kit for your vehicle.
Summary of chosen products:
| Product | Brand | Type / Notes | Key Fitment |
|---|---|---|---|
| Dorman 924-070 Rear Leaf Spring Insert | Dorman | 4-pack direct replacement spacers | Selected models (rear leaf spring bumper spacer) |
| GM Genuine Parts 15885530 Rear Spring Spacer | GM Genuine Parts | OEM spacer | Chevrolet, Buick, GMC, Cadillac applications |
| GM Genuine Parts 15733654 Rear Spring U-Bolt Spacer | GM Genuine Parts | U-bolt spacer | Chevrolet, Buick, GMC, Cadillac applications |
| Haneex 4pcs Rear Leaf Spring Spacer Pad | Haneex | Plastic insert spacers | Chevy, GMC trucks (1998-2011) and GM replaces 20870046 |
| 10L0L Heavy Duty Rear Spring Kit | 10L0L | 4-leaf kit with spacers, U-bolts | Club Car DS, EZGO TXT Medalist golf carts |
Dorman 924-070 Rear Leaf Spring Insert Kit
The Dorman 924-070 kit is a direct replacement solution that mirrors the original leaf spring bumper spacers. It is designed to restore function when the original spacer has failed or worn out, helping to maintain proper ride height and alignment. Construction emphasizes durability to withstand road conditions and everyday use, making it a practical choice for vehicles that rely on leaf-spring suspension. The 4-pack design provides enough parts to service multiple corners or multiple vehicles depending on your maintenance plan.
GM Genuine Parts 15885530 Rear Spring Spacer
GM Genuine Parts spacers are engineered and tested to match or exceed original equipment standards. These spacers are backed by General Motors and are designed for OE fitment on applicable Chevrolet, Buick, GMC, or Cadillac vehicles. As OEM-grade components, they emphasize compatibility with GM vehicles and emphasize rigorous design validation to ensure reliable performance over time.
GM Genuine Parts 15733654 Rear Spring U-Bolt Spacer
This GM Genuine Parts spacer is part of the OE replacement lineup, designed to align with the standards GM engineers specify for their vehicles. It’s positioned as a reliable option for maintaining proper leaf-spring alignment, with validation against the rigorous requirements typical of General Motors OE parts. Suitable for Chevrolet, Buick, GMC, or Cadillac models that require a rear spring spacer or U-bolt spacer.
9.99WORLD MALL Golf Cart Rear Leaf Spring Kit
While not a traditional automotive spacer, this kit targets golf carts with rear leaf springs. It includes eight rubber bushings and four metal spacers to cushion leaf springs and reduce metal-to-metal contact. The kit is designed for EZGO TXT Medalist models and similar configurations, improving ride quietness and reducing wear by dampening local impacts. Compatibility details emphasize model range to ensure proper fitment in known golf cart generations.
10L0L Heavy Duty Rear Spring Kit
This kit targets golf cart rear suspension with a focus on heavy-duty performance. It features a four-leaf configuration with thicker springs to enhance strength and durability, plus an anti-rust coating intended to resist corrosion in varied climates. It also includes related components such as bushings and U-bolts for a more complete installation. Applicability spans golf carts that require reinforced rear leaf springs for demanding use.
Haneex 4pcs Rear Leaf Spring Spacer Kit
The Haneex spacer set includes four leaf spring insert spacers designed to reduce noise by separating contact points between the leaf springs. It is positioned as a direct replacement that can be used on GM platforms and certain trucks that require spacers between leaf springs. The kit emphasizes ease of installation and compatibility with the GM part number 20870046, making it a practical option for preserving a quieter ride.
GM Genuine Parts 22834507 Rear Spring Spacer
Another GM Genuine Parts option, this spacer aligns with OE design standards and is backed by GM’s engineering validation. It’s intended for GM vehicles requiring a rear spring spacer with OEM-level reliability and compatibility, contributing to ride stability and proper spring function over time.
TeraFlex 1954100 1″ Rear Spring Spacer
TeraFlex spacers cater to Jeep and off-road configurations, specifically featuring a 1″ rear spacer for JK Wranglers. The installation is described as simple with a snap-in approach, and the kit notes that spacers cannot be stacked. This is a straightforward option for users seeking a precise one-inch lift or alignment tweak in a rugged, off-road-ready setup.
Buying Guide: Key Purchase Considerations
When selecting rear leaf spring spacers, consider fitment, material, and intended use. OEM-grade spacers from GM Genuine Parts are ideal for preserving factory reliability on GM vehicles, while Dorman offers broad aftermarket compatibility with direct replacement design. For golf carts, the emphasis shifts toward durability in corrosion-prone environments and noise reduction, with materials like steel or reinforced urethane bushings playing a role. Haneex provides a cost-effective option that targets noise reduction and direct GM replacement fits. For off-road enthusiasts, brands like TeraFlex and 10L0L emphasize stronger construction, rust resistance, and kit completeness with accompanying hardware. Installation ease and vehicle-specific requirements are essential, particularly for models with unique leaf-spring configurations or where stacking spacers is not recommended. In all cases, verify part numbers against your vehicle’s year, make, and model, and consult the manufacturer’s installation guidance to ensure proper alignment and safety. Compare the expected ride improvement, the number of spacers included, and whether the kit contains additional hardware such as U-bolts or bushings to avoid partial repairs. Also consider climate exposure, as anti-corrosion coatings extend lifespan in harsh environments.