Answering your search for reliable weight distribution spring bars, these options help level towing setups and improve ride quality. Best for RV owners, camper trailers, and cargo haulers seeking easier hitch alignment and smoother towing. The top picks below cover a range of capacities and hitch types to fit common CURT and Eaz-Lift systems.
The quick reference table highlights the featured products and their general use cases. Use this table to compare capacity, hitch compatibility, and purpose at a glance.
| Product | Brand | Typical Capacity | Best For |
|---|---|---|---|
| CURT 17115 Replacement Round Weight Distribution Hitch Spring Bar | CURT | 8,000–10,000 lbs GTW / 800–1,000 lbs TW | Round-bar WD hitch systems; mid-to-heavy loads |
| RVGUARD Replacement Round WD Hitch Spring Bar | RVGUARD | 8,000–12,000 lbs GTW / 8,000–1,200 lbs TW | Broad compatibility, lighter setups to heavy trailers |
| CURT 17337 Replacement Short Trunnion WD Spring Bar | CURT | 15,000 lbs GTW | Trunnion bar WD hitch heads; high-capacity setups |
| Eaz-Lift Replacement Bar for Elite Bent Bar WD Hitch | Eaz-Lift | 800–1,000 lbs max (per bar class) | Smooth ride; compatible with Elite Bent Bar systems |
| CURT 19314 Replacement TruTrack WD Spring Bar | CURT | Designed for TruTrack system | TruTrack compatibility; durable finish |
CURT 17115 Replacement Round WD Spring Bar
Features: Compatible with CURT round bar WD hitches #17002 or #17022; rated for 8,000–10,000 lbs GTW and 800–1,000 lbs TW; pre-assembled with spring bar chain for ready attachment; multiple chain links offer flexible tension adjustment.
Best for: Vehicles and trailers that use a CURT round bar WD hitch within the 8k–10k GTW range. This bar is a solid choice when you need quick setup and adjustable tension for balanced towing.
Why selected: It provides pre-assembly and chain-link flexibility, reducing installation time and enabling precise trailer leveling. The 31- to 32-inch length matches many common setups. Limitation: Limited to the lowest-rated towing component in your system; ensure compatible hitch head and ball mount.
RVGUARD Replacement Round WD Spring Bar
Features: Compatible with most trailer weight distribution hitches; rated to tow 8,000–12,000 lbs GTW and 8,000–1,200 lbs TW; 31-1/2” sway bar suits many A-frame tongue configurations.
Best for: Trailer setups requiring flexible compatibility across brands and higher GTW ranges, especially when using A-frame tongues.
Why selected: High GTW capacity and broad compatibility make it a go-to option for mixed hitch systems. Caution: Double-check exact bar length for your frame to avoid overhang or under-tension issues.
CURT 17337 Replacement Short Trunnion WD Spring Bar
Features: Mounts to a trunnion WD hitch head; fits CURT trunnion bar WD hitches #17333 and #17422; pre-assembled with spring bar chain for ready attachment.
Best for: Users with CURT trunnion-style WD hitches seeking a shorter bar for tighter trailer-to-vehicle adjustments or mounting on compatible head units.
Why selected: The short length provides flexibility in tight installations and helps level vehicles with certain trailer geometries. Caution: Only suitable for trunnion-style WD hitches; incompatible with non-trunnion heads.
Eaz-Lift Replacement Bar For Elite Bent Bar WD Hitch
Features: Replacement spring bar for the Eaz-Lift 800 lb round bar WD hitch; forge-tapered round spring steel for smoother ride; positive latching action for operation.
Best for: RV owners using the Eaz-Lift Elite Bent Bar system who want a smoother ride and reliable operation at 800 lb class capacities.
Why selected: The forged steel bar and positive latch help maintain tension and alignment during towing. Caution: This bar is designed for a specific Eaz-Lift configuration; confirm compatibility with your exact hitch model.
CURT 17074 Replacement MV Round WD Spring Bar
Features: Mounts to an MV round bar WD hitch head; fits MV round bar WD hitches #17057 or #17063; pre-assembled with spring bar chain for ready attachment.
Best for: MV-series weight distribution systems requiring a ready-to-attach spring bar that aligns with CURT’s MV design language.
Why selected: The MV compatibility ensures a straightforward swap for owners of CURT’s MV lineup. Limitation: Ensure your head and bar are part of the MV system to avoid fit issues.
CURT 19314 Replacement TruTrack WD Spring Bar
Features: Easy compatibility with CURT TruTrack weight distribution hitch #17520; forged steel construction; carbide powder coat finish for long-lasting protection.
Best for: TruTrack users needing a robust, corrosion-resistant spring bar that integrates smoothly with TruTrack heads.
Why selected: Durability and finish protection are beneficial for exposure to road elements. Caution: Verify your TruTrack head model to ensure proper fit with this replacement bar.
CURT 17071 Replacement MV Round WD Spring Bar
Features: Mounts to a round bar WD hitch head; fits CURT round bar WD hitch #17050; pre-assembled with spring bar chain for ready attachment.
Best for: CURT MV series owners who need a dependable round spring bar that aligns with the MV head for level towing.
Why selected: The ease of pre-assembly speeds up replacement. Caution: Ensure the bar length and head match your MV system to prevent misalignment.
Eaz-Lift Replacement Bar For Elite Bent Bar WD Hitch (1,000 lbs)
Features: Camco EAZ-LIFT spring bar; forge tapered round spring steel bars provide a smoother ride; designed for Elite Bent Bar WD hitch; China origin noted.
Best for: Heavier-duty Elite Bent Bar systems needing an 1,000 lb class replacement bar and smoother towing dynamics.
Why selected: The smoother ride benefit is attractive for long-distance towing. Caution: Verify load capacity aligns with your trailer weight and hitch configuration.
Buying Guide: Key Purchase Considerations
- Compatibility: Match the spring bar to your weight distribution hitch head type (round bar, trunnion, MV, or Bent Bar). Incompatibility can cause misalignment or poor towing performance.
- Capacity: Ensure the bar’s GTW and tongue weight range align with your trailer’s gross weight and tongue weight. A bar rated too low can fail under load, while a too-high rating may add unnecessary stiffness.
- Length and fit: Check the bar length (in inches) to fit your trailer frame and hitch geometry. A misfit can lead to improper trailer leveling.
- Pre-assembly: Pre-assembled bars with chain links winches attachment time and reduces installation effort. Consider this for frequent setup changes.
- Finish and durability: Look for powder-coated or forged steel bars for corrosion resistance, especially in harsh weather or coastal environments.
- Hitch-head compatibility: Some bars are designed specifically for CURT TruTrack, MV, or Elite Bent Bar systems. Confirm your head model before purchase.
Frequently Asked Questions
- What is a weight distribution spring bar? A spring bar is a component of a weight distribution hitch that helps transfer tongue weight to the vehicle frame, promoting level towing.
- Do I need a specific spring bar length? Yes. Length and type must align with your hitch head and trailer geometry to maintain proper roll and sway control.
- Can I mix brands of spring bars with my WD hitch head? Mixing brands can cause compatibility issues. Use bars designed for your hitch head or confirmed cross-compatibility lists.
- What is the advantage of a pre-assembled spring bar? It simplifies installation and allows quicker setup with tension already calibrated to some standard levels.
- Is higher capacity always better? Not necessarily. Choose a bar that matches your trailer’s weight and tongue weight to maintain proper towing dynamics without over-stiffening the ride.
- How do I know if a bar fits my CURT or Eaz-Lift system? Check the product description for head type compatibility (round bar, MV, trunnion, or Elite Bent Bar) and ensure model numbers align with your hitch.