Chassis shackles that stay quiet, resist corrosion, and fit without fuss make trailers and trucks more reliable.
Look for TPU or rubber isolators and nylon bushings to stop rattle and protect springs.
Choose electro-galvanized or powder-coated steel for salt- and mud-resistant performance.
Match bolt size and thread, verify fit for your vehicle, and prefer kits with spare washers and locking nuts for easy tuning.
| 2PCS D-Ring Shackle Isolators with Washers (3/4″) |
| Noise Reducer | Application: D-ring/bow shackle isolation for tow hooks/bumpers (3/4″) | Contains Shackles or Isolators (Product Type): U-shaped TPU isolators + spacers (no metal shackles) | Materials: High-grade TPU (thermoplastic polyurethane) | VIEW LATEST PRICE | Read Our Analysis |
| AUTMATCH D-Ring Shackle Isolators Kit (Black) |
| Reliable Protector | Application: D-ring/bow shackle isolation for recovery points (3/4″) | Contains Shackles or Isolators (Product Type): Rubber D-ring isolators + washers (no metal shackles) | Materials: Durable rubber (isolators/washers) | VIEW LATEST PRICE | Read Our Analysis |
| Tandem Axle Trailer Shackle Kit (2-Pack) |
| Suspension Essential | Application: Tandem-axle trailer suspension shackle kit (double-eye springs) | Contains Shackles or Isolators (Product Type): Metal shackle packs (shackle straps, bolts, bushings) | Materials: Premium metal (corrosion-resistant steel) + nylon bushings | VIEW LATEST PRICE | Read Our Analysis |
| 2″ Rear Leaf Spring Lowering Shackle for Trucks |
| Rear Lowering Kit | Application: Rear leaf-spring lowering shackle for trucks (rear suspension) | Contains Shackles or Isolators (Product Type): Single metal lowering shackle (replacement) | Materials: Durable metal (lowering shackle steel) | VIEW LATEST PRICE | Read Our Analysis |
| NewYall Rear Leaf Spring Shackles Pack of 2 |
| Direct-Fit Replacement | Application: Rearward leaf-spring replacement shackle pair (rear suspension) | Contains Shackles or Isolators (Product Type): Pair of metal rearward leaf spring shackles | Materials: Steel (replacement shackle) | VIEW LATEST PRICE | Read Our Analysis |
| Trailer Axle Shackle Kit with Bolts (2-5/8″) |
| Tandem Axle Kit | Application: Trailer tandem/triple-axle shackle kit for double-eye springs | Contains Shackles or Isolators (Product Type): Metal shackle straps + bolts + bushings (kit) | Materials: Premium metal (shackle straps/bolts) + nylon bushings | VIEW LATEST PRICE | Read Our Analysis |
| Rear Leaf Spring Shackle Kit for GM 1999–2013 |
| Heavy-Duty OEM | Application: Rear leaf-spring shackle kit for GM 1999–2013 rear suspension | Contains Shackles or Isolators (Product Type): Metal leaf spring shackle kit (single piece included) | Materials: Heavy-duty steel with rust-resistant coating | VIEW LATEST PRICE | Read Our Analysis |
| D-Ring Shackle Isolators with Washers (Orange) |
| Bright Visibility | Application: D-ring/bow shackle isolation for tow hooks/bumpers (3/4″) | Contains Shackles or Isolators (Product Type): Rubber D-ring isolators + washers (no metal shackles) | Materials: High-quality rubber (isolators/washers) | VIEW LATEST PRICE | Read Our Analysis |
| 8 Pc Heavy-Duty 3.5″ Trailer Leaf Spring Shackles |
| Bulk Strap Pack | Application: Trailer double-eye leaf spring shackle straps (single/multi-axle) | Contains Shackles or Isolators (Product Type): Metal shackle straps (8 pcs, no bolts) | Materials: Low carbon steel (electro-galvanized) | VIEW LATEST PRICE | Read Our Analysis |
| Trailer Axle Shackle Bolt Kit for Tandem Axles |
| Bolt & Bushing Set | Application: Trailer tandem-axle shackle/bolt kit for double-eye springs | Contains Shackles or Isolators (Product Type): Metal shackle straps + bolts + bushings + nuts (kit) | Materials: High-quality steel (black oxidize) + nylon bushings | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
2PCS D-Ring Shackle Isolators with Washers (3/4″)
In case you haul gear, tow trailers, or drive a work truck and hate the noise and scratches that come with heavy-duty shackles, these PCS D-ring shackle isolators with washers are made for you. You’ll slip the flexible U-shaped TPU protector over a 3/4-inch shackle without tools. The material bends but stays tough, so it resists abrasion, compression, and outdoor wear while cushioning contact points to stop scratches and dents. Spacers let you tune the fit for one or two protectors. You’ll hear less rattle, feel fewer vibrations, and keep bumpers looking better on workdays and weekends.
- Application:D-ring/bow shackle isolation for tow hooks/bumpers (3/4″)
- Contains Shackles or Isolators (Product Type):U-shaped TPU isolators + spacers (no metal shackles)
- Materials:High-grade TPU (thermoplastic polyurethane)
- Fit / Size Reference:Fits standard 3/4″ U-shaped shackles; U protector ~3.26×1.5×1.02″
- Function / Benefit:Protects bumper finish, reduces rattling, cushions impact
- Package Contents (Kit Elements):2 TPU U-shaped protectors + 8 spacers (washers)
- Additional Feature:TPU construction (high-grade)
- Additional Feature:Tool-free snap installation
- Additional Feature:Reduces impact vibration
AUTMATCH D-Ring Shackle Isolators Kit (Black)
You’ll love the AUTMATCH D-Ring Shackle Isolators Kit provided you want a simple, low-cost way to protect your bumper and recovery points while cutting down on annoying rattles. You get two black rubber isolators sized for 3/4 inch D-rings with a 7/8 inch screw pin, plus eight washers in thick and thin options. The rubber hugs the shackle, so it won’t tap metal surfaces and it resists cracking, warping, and corrosion. Installation snaps into place without tools, and the washers let you fine tune fit and noise. Lifetime support backs the kit, so you’re covered.
- Application:D-ring/bow shackle isolation for recovery points (3/4″)
- Contains Shackles or Isolators (Product Type):Rubber D-ring isolators + washers (no metal shackles)
- Materials:Durable rubber (isolators/washers)
- Fit / Size Reference:Fits 3/4″ D-ring or bow shackle with 7/8″ screw pin
- Function / Benefit:Protects recovery points, reduces rattling/noise
- Package Contents (Kit Elements):2 rubber isolators + 8 washers (thick & thin)
- Additional Feature:Fits 7/8″ screw pin
- Additional Feature:Lifetime customer support
- Additional Feature:Crack/warp resistant rubber
Tandem Axle Trailer Shackle Kit (2-Pack)
In case you haul a trailer with dual axles and rely on double-eye springs, this Tandem Axle Trailer Shackle Kit (2-Pack) is made to keep your suspension working smoothly and safely. You get two shackle packs with 2-1/4 inch straps, eight 9/16 nylon bushings, and twelve 9/16-18 by 3 inch bolts with locking nuts. These shackles take most of the movement and wear in tandem axle systems, so you should inspect them often. They use premium, corrosion resistant materials for outdoor use and long life. Fit is precise for double-eye spring setups, giving confidence on the road.
- Application:Tandem-axle trailer suspension shackle kit (double-eye springs)
- Contains Shackles or Isolators (Product Type):Metal shackle packs (shackle straps, bolts, bushings)
- Materials:Premium metal (corrosion-resistant steel) + nylon bushings
- Fit / Size Reference:Shackle strap length 2-1/4″; bushing 9/16″; bolts 3″ (9/16-18)
- Function / Benefit:Restores/maintains tandem suspension movement and alignment
- Package Contents (Kit Elements):2 shackle packs total + 8 nylon bushings + 8 shackle straps + 12 bolts & nuts
- Additional Feature:Includes 9/16 nylon bushings
- Additional Feature:3″ shackle bolts included
- Additional Feature:2-1/4″ strap length
2″ Rear Leaf Spring Lowering Shackle for Trucks
Should you want a simple, reliable way to drop your truck’s rear end 1 to 2 inches and replace weak or broken shackles, this 2-inch rear lowering shackle is a top choice for owners of older Silverado and Sierra models. You’ll fit it to 1999–2019 Silverado and Sierra 1500 plus older C and K series trucks and Suburbans. It replaces factory shackles directly, lowering ride height while restoring proper suspension function. The durable build handles rear suspension loads and comes with a 12-month warranty. You can swap old or damaged shackles and regain the ride height and confidence you want.
- Application:Rear leaf-spring lowering shackle for trucks (rear suspension)
- Contains Shackles or Isolators (Product Type):Single metal lowering shackle (replacement)
- Materials:Durable metal (lowering shackle steel)
- Fit / Size Reference:2″ lowering shackle (fit for specific Chevy/GMC models listed)
- Function / Benefit:Lowers rear ride height 1–2 inches; replaces weak/broken shackle
- Package Contents (Kit Elements):1 rear lowering shackle (single piece)
- Additional Feature:Lowers rear 1–2″
- Additional Feature:Direct factory replacement
- Additional Feature:12-month warranty
NewYall Rear Leaf Spring Shackles Pack of 2
Should you own a late-model Chevy or GMC truck and want a simple, reliable rear suspension fix, the NewYall Pack of 2 rearward leaf spring shackles is a smart choice that fits many common models. You’ll get a direct-fit replacement for common part numbers 25812937 and 22820716, so installation stays straightforward. The pair suits many Silverados, Sierras, Suburbans, Avalanches, and Yukons from 1999 through 2013. They weigh about 5.68 pounds and ship in compact packaging. You can buy them with Amazon’s 30-day return guarantee, and the manufacturer lists warranty details on the product page for added peace of mind.
- Application:Rearward leaf-spring replacement shackle pair (rear suspension)
- Contains Shackles or Isolators (Product Type):Pair of metal rearward leaf spring shackles
- Materials:Steel (replacement shackle)
- Fit / Size Reference:Direct-fit for listed GMC/Chevrolet model years and part numbers
- Function / Benefit:Direct replacement to restore rear suspension performance
- Package Contents (Kit Elements):Pack of 2 rearward leaf spring shackles (pair)
- Additional Feature:OEM part number replacements
- Additional Feature:5.68 lb item weight
- Additional Feature:Wide GM model coverage
Trailer Axle Shackle Kit with Bolts (2-5/8″)
Should you tow dual or triple axle trailers often and want a low-fuss, long-lasting shackle kit, the Trailer Axle Shackle Kit with 2-5/8″ straps is a smart pick for you. You’ll get four 2-5/8″ straps, six 9/16″-3 x 3″ shackle bolts with locking nuts, and four 9/16″ nylon bushings. The kit fits dual-axle and all triple-axle systems and works well on tandem double eye spring suspension. Racewill built it from premium, corrosion resistant materials for outdoor use. Check shackles often since they take most wear. Warranty details and a 30-day return window are available for peace of mind.
- Application:Trailer tandem/triple-axle shackle kit for double-eye springs
- Contains Shackles or Isolators (Product Type):Metal shackle straps + bolts + bushings (kit)
- Materials:Premium metal (shackle straps/bolts) + nylon bushings
- Fit / Size Reference:Shackle strap length 2-5/8″; bushing 9/16″; bolts 3″ (9/16-18)
- Function / Benefit:Provides durable shackle connection for tandem/triple axles; includes hardware
- Package Contents (Kit Elements):4 nylon bushings + 4 shackle straps + 6 shackle bolts & locking nuts
- Additional Feature:2-5/8″ strap length
- Additional Feature:Racewill brand/model
- Additional Feature:3″ long bolts included
Rear Leaf Spring Shackle Kit for GM 1999–2013
Should you drive a late model GM truck or SUV and want a quiet, dependable rear suspension, this Rear Leaf Spring Shackle Kit for 1999–2013 models is a great choice because it replaces worn shackles with heavy duty steel parts that resist rust and last longer. You’ll get one piece per package that fits Silverado, Sierra, Yukon XL, Avalanche, Suburban and Denali models listed. It’s 100% new, coated against corrosion, and built to strict quality standards with a 12 month warranty. Installation is straightforward, so you can restore rear spring performance and reduce noise with confidence. Check OEM numbers beforehand.
- Application:Rear leaf-spring shackle kit for GM 1999–2013 rear suspension
- Contains Shackles or Isolators (Product Type):Metal leaf spring shackle kit (single piece included)
- Materials:Heavy-duty steel with rust-resistant coating
- Fit / Size Reference:Sold as single kit piece; designed for 1999–2013 GM models (OEM sizes)
- Function / Benefit:Replaces worn shackle to restore rear leaf-spring function
- Package Contents (Kit Elements):1 piece shackle kit (as pictured) — single kit piece
- Additional Feature:Heavy-duty steel construction
- Additional Feature:Rust-resistant coating
- Additional Feature:12-month warranty
D-Ring Shackle Isolators with Washers (Orange)
Should you want a simple, durable way to stop scratches and rattles where your D-ring meets the bumper, the 2PCS D Ring Shackle Isolators with washers in orange are a smart pick for gear heads and daily drivers alike. You’ll slide the flexible rubber sleeves over standard 3/4 inch D-rings and secure them with the eight 7/8 inch washers and spacers. The material resists UV, water, and extreme temperatures, so it won’t crack or age quickly. Installation is quick and snug. You’ll notice less noise, fewer scrapes, and a cleaner bumper edge while keeping a splash of color.
- Application:D-ring/bow shackle isolation for tow hooks/bumpers (3/4″)
- Contains Shackles or Isolators (Product Type):Rubber D-ring isolators + washers (no metal shackles)
- Materials:High-quality rubber (isolators/washers)
- Fit / Size Reference:Fits standard 3/4″ D-ring/bow shackles; sleeve ~3.15×1.5×1″; washer ID 0.87″
- Function / Benefit:Protects bumper finish, reduces noise, weather-resistant
- Package Contents (Kit Elements):2 isolation sleeves + 8 washers/spacers
- Additional Feature:UV and weather resistant
- Additional Feature:Multiple color options
- Additional Feature:Precise washer inner diameter
8 Pc Heavy-Duty 3.5″ Trailer Leaf Spring Shackles
Should you haul a single-axle trailer or run a small fleet, these 8 Pcs 3-1/2″ heavy duty shackle straps give you a dependable, precision-fit upgrade that you’ll observe right away. You’ll appreciate the low carbon steel build and electro-galvanized finish that resist rust and stand up to road grime. They measure 4-7/8″ in total, 1-1/4″ wide, and 3/16″ thick with 3-1/2″ center-to-center spacing and 9/16″ bolt holes for a crisp fit. They link double-eye leaf springs to hangers or equalizers on multi-axle rigs. The kit includes eight straps; bolts are not included, so plan ahead.
- Application:Trailer double-eye leaf spring shackle straps (single/multi-axle)
- Contains Shackles or Isolators (Product Type):Metal shackle straps (8 pcs, no bolts)
- Materials:Low carbon steel (electro-galvanized)
- Fit / Size Reference:Center-to-center hole spacing 3-1/2″; overall length 4-7/8″; bolt hole 9/16″
- Function / Benefit:Connects leaf spring to hanger/equalizer; heavy-duty replacement straps
- Package Contents (Kit Elements):8 shackle straps (bolts not included)
- Additional Feature:Electro-galvanized finish
- Additional Feature:3/16″ steel thickness
- Additional Feature:Includes eight straps
Trailer Axle Shackle Bolt Kit for Tandem Axles
In case you haul a tandem-axle trailer and want a reliable, OEM-style fix that lasts, this Trailer Axle Shackle Bolt Kit is the clear choice for you. You get four nylon bushings, four shackle straps, seven bolts, and seven locking nuts built for dual-axle systems. The steel parts measure precisely: straps 4.4 in long, 3.12 in hole spacing, bolts 3.375 in, bushings 9/16 in I.D. by 11/16 in O.D., thread 9/16-18. The black oxidize finish resists impact and rust and stays stiff outdoors. It fits double-eye leaf springs for axles rated 3,500 to 7,200 lbs. Notice wear often and verify fit prior to buying.
- Application:Trailer tandem-axle shackle/bolt kit for double-eye springs
- Contains Shackles or Isolators (Product Type):Metal shackle straps + bolts + bushings + nuts (kit)
- Materials:High-quality steel (black oxidize) + nylon bushings
- Fit / Size Reference:Strap length 4.4″; hole spacing 3.12″; bushing I.D. 9/16″; bolts 3-3/8″ (9/16-18)
- Function / Benefit:Complete shackle/bolt kit for tandem axles; designed for axle ratings 3,500–7,200 lb
- Package Contents (Kit Elements):4 nylon bushings + 4 shackle straps + 7 shackle bolts + 7 locking nuts
- Additional Feature:Black oxidized finish
- Additional Feature:9/16-18 thread bolts
- Additional Feature:Fits 3,500–7,200 lb axles
Factors to Consider When Choosing Chassis Shackles
Once you select chassis shackles, start upon matching the shackle’s load capacity to your trailer’s weight so you won’t stress the suspension. Look for durable materials and proper fitment so parts last longer and sit correctly, and pay attention to noise and vibration since small rattles can become big annoyances. Also choose shackles that are easy to install to save time and make future maintenance less frustrating.
Load Capacity Match
A few practical checks will keep you safe and confident whilst matching shackle capacity to your chassis loads. You should initially verify the shackle’s working load limit matches or exceeds your maximum static and variable loads, including payload, tongue weight, surge, and braking forces. Next, confirm the rated breaking strength offers a 3 to 5 times safety factor so shock loads and fatigue won’t surprise you. Also match material heat treatment ratings to your load needs to avoid deformation under repeated stress. Check bolt and pin sizes and thread specs, ensuring their shear and tensile ratings align with the shackle WLL. Whenever using tandem axles or multi point systems, design combined capacities so no single shackle bears overload. These steps build confidence and reduce risk.
Material Durability
Shackles that match your load needs won’t last long provided their materials give out, so you’ll want to check what they’re made of and how they’re finished. Pick high-strength, low-carbon or alloy steels with corrosion-resistant coatings like electro-galvanized, black oxide, or powder coat so rust doesn’t steal your investment. Also look for parts rated for outdoor use and abrasive conditions since shackles live in constant motion, moisture, and road debris. Durable nylon or polyurethane bushings reduce metal-on-metal wear and protect springs and shackles together. Verify tensile and yield strength plus adequate thickness so pieces won’t bend or crack under load. Finally, choose materials and finishes that handle temperature swings and UV exposure to prevent cracking, warping, and premature failure.
Fitment & Compatibility
Because proper fit keeps your suspension working right, you’ve got to match shackles to your springs and hangers precisely; a close fit prevents sloppy movement, speeds up wear, and can throw off ride height and handling. Check shackle length and center to center hole spacing against your leaf spring eye and hanger. Next, verify bolt diameter and thread size so bushings and pins sit snug. Match strap thickness and material strength to your axle or gross vehicle weight so you don’t overload components. Make sure the kit includes compatible bushings and bolts with correct I.D. O.D. and bolt lengths like 3 to 3 3/8 inches for full installation. Finally confirm single eye or double eye and axle configuration so travel and articulation stay right.
Noise And Vibration
Anytime you hear clanks or feel a thump from the rear, it’s often the shackle area talking back, so you’ll want parts that cut vibration and keep things tight. Choose shackles with rubber or TPU isolators so they absorb impact energy and stop metal-to-metal contact that causes high-frequency rattles. Make sure isolators or washers fit snugly so you have no visible play. Even 1 to 2 mm of movement can turn into audible vibration at speed. Watch for worn bushings or oversized bolt holes since they raise shackle slap and low-frequency thumps during acceleration or braking. Thicker or dual-layer isolators and extra spacers add damping and resist compression longer. Inspect and replace degraded rubber or TPU and tighten fasteners to prevent noise creep.
Installation Ease
In case you want a quick, headache-free install, start checking how the shackle is constructed and what’s included in the kit. You’ll want snap-in bushings when you prefer tool-free or minimal-tool work. In the event the kit uses separate nylon or metal bushings with bolts, expect to reach for wrenches and torque specs. Also confirm bolt and bushing sizes so you have the right replacements and tools before you begin. Look for pre-drilled, precision hole spacing to avoid re-drilling and alignment hassles. Check whether locking nuts or positive-lock hardware come included to cut parts hunting. Finally match strap length and thickness to your suspension to avoid adapters or cutting. These checks save time and reduce stress during installation.



