ROCKJOCK 4X4 RJ-183400-101 Rear Johnny Joint Trac Bar 810038155890 Greasable

( Brand: Rockjock 4x4 ), ( Type: Track Bar ), ( Manufacturer Part Number: RJ-183400-101 ), ( Performance Part: Yes ), ( UPC: 810038155890 )

Review ROCKJOCK 4X4 Johnny Joint Rear Trac Bar Adjustable Greasable fits BRONCO 2021

The Rockjock 4x4 RJ-183400-101 is a high-performance, greasable rear track bar designed specifically for the 2021 Ford Bronco. This track bar is an essential component of your vehicle's suspension system, helping to maintain proper alignment and stability during off-road adventures.

Constructed from heavy-duty, 1.25-inch diameter, cold-rolled steel, this track bar provides superior strength and durability. Its robust design ensures that it can withstand the rigors of off-road driving, while its greasable zerk fittings make routine maintenance a breeze.

This track bar features a unique Johnny Joint design, which allows for up to 20 degrees of articulation while maintaining a solid connection between the front and rear axles. This flexibility is crucial for off-road driving, as it allows for greater suspension movement and better clearance over obstacles.

The Rockjock 4x4 RJ-183400-101 is engineered to be a direct replacement for the factory track bar on the 2021 Ford Bronco. Its precise fitment ensures a seamless installation process, with no modifications required. Additionally, all necessary hardware is included in the kit, making it a true plug-and-play upgrade.

In summary, the Rockjock 4x4 RJ-183400-101 is a high-quality, greasable rear track bar designed for the 2021 Ford Bronco. Its heavy-duty construction, Johnny Joint design, and easy installation make it an essential upgrade for any Bronco owner looking to enhance their vehicle's off-road capabilities.

Pros and Cons of Buying Rockjock 4x4 RJ-183400-101 Greasable Johnny Joint Rear Track Bar for 2021 Bronco

a. Improved Rear Suspension Performance: This track bar enhances the stability and rigidity of the rear suspension system, leading to improved off-road performance.

b. Greasable Design: The greasable design of the Johnny Joint allows easy maintenance and longer durability.

c. High-Quality Material: The track bar is made from heavy-duty materials, ensuring strength and durability for off-road conditions.

d. OEM Fitment: The Rockjock 4x4 track bar is specifically designed for the 2021 Ford Bronco, ensuring a perfect fit.

a. Additional Cost: Installing a track bar is an additional cost over the standard equipment, which some buyers might find unappealing.

b. Installation Complexity: Installing the track bar may require professional assistance, adding to the overall cost.

c. Weight: The track bar adds extra weight to the vehicle, which could potentially impact fuel efficiency and overall handling.

The Rockjock 4x4 RJ-183400-101 greasable Johnny Joint rear track bar offers several advantages for off-road enthusiasts, including improved suspension performance, easy maintenance, and high-quality materials. However, it also comes with added cost, installation complexity, and weight. Ultimately, the decision to purchase this track bar depends on individual priorities and off-road usage.

If you frequently engage in off-road activities and prioritize improved suspension performance and durability, the Rockjock 4x4 RJ-183400-101 greasable Johnny Joint rear track bar is a worthwhile investment. Conversely, if you primarily use your Bronco for daily driving and value fuel efficiency and minimal weight, it might be best to stick with the standard equipment.

Details:

Manufacturer: RockJock 4x4, Part Number: RJ-183400-101, condition: New: Rockjock Johnny Joint adjustable rear trac bar for 2021 up Bronco features precise bends a perfect fit into stock or lifted vehicles as well with larger, aftermarket differentials. Use the adjust ability of this bar to axle under chassis as well improve driveshaft-to-fuel-tank clearance. Bar is fabricated from 1 3/8 inch x .120 wall DOM tubing and finished inseam-gloss black powder coat on the bar gold zinc plating Johnny Joint adjuster end. For maximum articulation, this trac bar features greasable, narrow Johnny Joint rod ends at both ends, the axle housing end being adjustable.

Factory hardware is retained to attach the trac bar axle and chassis. Kit Includes: Johnny Joint Rear Trac Bar Assembly. This bar may be used with our without RJ-181400-101 Trac Bar Relocation Bracket. Notes: Fits with stock exhaust and should fit aftermarket systems, however fitment has not been confirmed non-stock components.

Kit Fits: 2021 up Bronco - All model's. Non-stock/adjustable control arms will affect the dynamic clearances to this or any other trac bar.

part #: rj183400101 prices

• $458.76-$481.99

specifications runboardben:

• for models: Bronco
• for years: 2021
• brand: Rockjock 4x4
• type: Track Bar
• manufacturer part number: RJ-183400-101
• performance part: Yes
• upc: 810038155890

returns runboardben:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

seller runboardben:

• # reviews: 116362
• rating: 99.8%
• city: San Leandro, California

payments runboardben:

• other
• credit card: Visa
• wallet: Google-pay

shipping runboardben:

• type: Fixed
• cost: $0.00
• transit: 4-7 Days
• service: Standard
• class: Standard

general runboardben:

• condition: New
• Car Truck Parts Accessories > Exterior Parts Accessories > Running Boards Step Bars

offer runboardben:

• sold: 0
• quantity: 3
• options: Ship-to-home
• availability: In Stock
• started: December 12, 2025

Rockjock 4x4 RJ-183400-101 Is Similar To:

• Rockjock 4x4 Ce-9120rjk For Jk Johnny Joint Trac Bar Rear Bolt-on Adjustable Greasable 1.25in X (69.2% similar) X .250 inch wall 4130 chrome Molly steel tubing, and features a heavy duty urethane bushing on the frame end, custom 1 right hand thread forged 2 diameter johnny joint greasable rod end with jam nut other. Arm is finished in semi-gloss black powder coat and the forged johnny joint end gold zinc...(January 20th, 2025)