DORMAN SET-RB521838-2 Trailing Arms Rear Driver Passenger RK642121 Set

( Brand: Dorman ), ( Manufacturer Part Number: SET-RB521838-2 ), ( Part Type: Arm Driver ), ( Anticipated Ship Out Time: 2-3 Business Days ), ( Ball Joint Included: Without Ball Joint S ), ( Bundle Listing: Yes ), ( Bushing Included: With Bushing S ), ( California Prop 65 Warning: Cancer And/or Reproductive Harm. Please Read Proposition 65 Warni ), ( Features: Non-adjustable ), ( Fitment Type: Direct Replacement ), ( Manufacturer Warranty: Lifetime Dorman Limited Warranty ), ( Material: Steel ), ( Notes: Contains ), ( Oe Number: Rk642121, 13cb76074, Cb76074, Br7028200b, Br7028250, Cms76172, 26 ), ( Part Name: Trailing Arm ), ( Performance Part: No ), ( Quantity: Set Of 2 )

Review DORMAN Trailing Arms Set Of Rear Driver And Passenger Side Pair

Introducing the Dorman RK642121 Rear Trailing Arm Set, a perfect solution for replacing worn or damaged components in your vehicle's rear suspension system. This set includes both driver side (RB521838-2) and passenger side (RB521839-2) trailing arms, ensuring a complete and accurate repair.

The Dorman RK642121 set is engineered to provide a precise fit and superior performance for various makes and models, making it an ideal choice for both professional mechanics and do-it-yourself enthusiasts. Each trailing arm is manufactured using high-quality steel for durability and strength, ensuring a long-lasting repair.

The trailing arms feature an innovative design with improved geometry that enhances vehicle stability and handling. The arms are also pre-drilled and come with necessary hardware, making installation quick and straightforward. Additionally, the set includes new bushings, ensuring a smooth and quiet ride.

The Dorman RK642121 set is specifically designed for vehicles with rear suspension systems that use trailing arms, and it fits a wide range of makes and models. These parts are engineered to meet or exceed OEM specifications, ensuring a reliable and effective repair.

In summary, the Dorman RK642121 Rear Trailing Arm Set is an essential repair solution for vehicles with worn or damaged trailing arms. This set includes both driver and passenger sides, ensuring a complete and accurate repair, and is engineered for durability, strength, and improved performance. With a quick and straightforward installation process and a wide range of applications, this set is an excellent choice for anyone seeking a dependable and effective suspension repair solution.

A Detailed Analysis of Buying Dorman RK642121 RB521838-2 Trailing Arms Set for Rear Driver and Passenger

The Dorman RK642121 RB521838-2 Trailing Arms Set is a replacement component designed for the rear suspension system of vehicles. This set is suitable for the rear driver and passenger sides. In this analysis, we will discuss the pros and cons of buying this product to help potential customers make an informed decision.

1. OEM-like fit and function: This trailing arms set is engineered to meet or exceed OEM specifications, ensuring a proper fit and reliable performance.

2. Improved handling and stability: Worn or damaged trailing arms can negatively impact a vehicle's handling and stability. Replacing them with new ones can lead to better road feel and improved performance.

3. Reduced vibration and noise: Old or worn trailing arms can cause excessive vibration and noise during vehicle operation. This replacement set can help reduce such issues, leading to a more comfortable ride.

4. Cost-effective: Compared to OEM alternatives, aftermarket trailing arms sets like the Dorman RK642121 RB521838-2 can offer significant cost savings without compromising on quality.

1. Installation complexity: Trailing arms replacement can be a complex process, requiring the removal of various suspension components and the use of specialized tools.

2. Potential for differential damage: improper installation or the use of incorrect parts can result in differential damage. It is essential to follow the installation instructions carefully and use the correct tools.

3. Availability of specific part numbers: Depending on the make and model of the vehicle, it may be challenging to find the specific Dorman part number required for the trailing arms replacement. Double-checking the compatibility before purchasing is crucial.

The Dorman RK642121 RB521838-2 Trailing Arms Set offers several advantages, such as OEM-like fit and function, improved handling and stability, reduced vibration and noise, and cost-effectiveness. However, it comes with some challenges, including installation complexity, potential differential damage, and availability of specific part numbers.

If you are confident in your mechanical skills and have the necessary tools, the Dorman RK642121 RB521838-2 Trailing Arms Set can be an excellent choice for a cost-effective and reliable solution to replace worn or damaged trailing arms on your vehicle. However, if you are unsure about the installation process or do not have the required tools, it may be best to consult a professional mechanic to ensure a proper installation and avoid any potential issues.

Details:

94 Protege Base. Sturdy iron, steel or aluminum design. 90-94 323 sub model: Base, DX. Bushings included for complete installation.

Dorman OE replacement control arm is engineered to offer passengers full protection from failures due corrosion, wear and impact. Dorman Trailing Arm. Coated with layer of protection against rust. 90-93 323 SE.

Since 1918, Dorman Products has supplied the automotive aftermarket with high-quality replacement parts, hardware and fasteners.

specifications controlarma:

• brand: Dorman
• mpn: Set-rb521838-2
• part type: Arm Driver
• anticipated ship out time: 2-3 Business Days
• ball joint included: Without Ball Joint S
• bundle listing: Yes
• bushing included: With Bushing S
• california prop 65 warning: Cancer And/or Reproductive Harm. Please Read Proposition 65 Warni
• features: Non-adjustable
• fitment type: Direct Replacement
• manufacturer warranty: Lifetime Dorman Limited Warranty
• material: Steel
• notes: Contains
• oe number: Rk642121, 13cb76074, Cb76074, Br7028200b, Br7028250, Cms76172, 26
• part name: Trailing Arm
• performance part: No
• quantity: Set Of 2

general controlarma:

• condition: New
• Car Truck Parts Accessories > Steering Suspension > Radius, Swing Trailing Arms

offer controlarma:

• quantity: 3
• started: August 14, 2025
• sold: 0
• options: Ship-to-home
• availability: In Stock

shipping controlarma:

• cost: $0.00
• class: Standard
• service: Standard
• transit: 2-5 Days
• type: Fixed

returns controlarma:

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

seller controlarma:

• rating: 97.9%
• city: 48 States Only, USA
• # reviews: 292196

payments controlarma:

• wallet: Apple-pay
• other
• credit card: Diners-club

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