GM 84015363 Front End Upper Tie Bar

( Brand: Gm ), ( Manufacturer Part Number: 84015363 ), ( Part Type: Tie Bar ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Make: Buick ), ( Year: 2017 2018 2019 ), ( Parts Included: Only Part Reference 1 On The Diagram Is Included )

Review GM Genuine Front End Upper Tie Bar fits LACROSSE 2017–2019

The **GM 84015363 Front End Upper Tie Bar** is a critical structural component designed to reinforce and stabilize the front suspension system of select General Motors vehicles, ensuring optimal alignment, durability, and safety under varying driving conditions. Crafted from high-strength steel, this tie bar is engineered to withstand the constant stresses of road vibrations, impacts, and weight distribution, preventing excessive flex or deformation that could compromise steering precision and overall vehicle handling. Positioned above the lower control arm and connected to the frame or subframe, this upper tie bar plays a pivotal role in maintaining the proper geometry of the front suspension, which is essential for even tire wear, accurate wheel alignment, and a smooth, responsive ride. Its robust construction minimizes sagging or binding, reducing the risk of premature wear on bushings, ball joints, and other suspension components while also helping to absorb and dissipate energy from road imperfections. Ideal for applications in vehicles like the Chevrolet Silverado, GMC Sierra, and other GM trucks and SUVs equipped with this specific part number, the 84015363 tie bar is a direct-fit replacement for OEM components, ensuring compatibility without the need for modifications. Whether addressing a worn-out original part or upgrading for enhanced durability, this tie bar is a dependable solution for maintaining the structural integrity and performance of the front end, ultimately contributing to a safer and more reliable driving experience.

### **Pros and Cons of buying a GM 84015363 Front End Upper Tie Bar**

1. **Direct Fitment for GM Vehicles** This part is specifically designed for GM applications, ensuring compatibility with vehicles like the Chevrolet Silverado, GMC Sierra, and other GM trucks and SUVs from the late 1990s to early 2000s.

2. **Durability** GM s engineering standards typically ensure that aftermarket and OEM parts like this tie bar are built to withstand heavy loads and repeated stress, reducing the risk of premature failure.

3. **Improved Handling and Stability** A properly installed upper tie bar helps maintain proper suspension geometry, reducing sway and improving ride quality, especially when carrying heavy loads or towing.

4. **Prevents Suspension Damage** Without a functional tie bar, the suspension can misalign, leading to premature wear on bushings, ball joints, and control arms.

5. **Easier Installation** Since it s a direct-fit part, installation is generally straightforward, especially if you have basic mechanical skills or access to a mechanic.

6. **Cost-Effective Replacement** Compared to full suspension overhauls or frame repairs caused by tie bar failure, replacing just the upper tie bar is a relatively inexpensive fix.

1. **Potential for Counterfeit Parts** Some aftermarket parts, even those labeled as GM, may be counterfeit or low-quality replicas. Buying from a reputable dealer or authorized seller helps mitigate this risk.

2. **Wear and Tear Over Time** Like any suspension component, the tie bar can degrade due to rust, impact damage, or excessive stress, requiring eventual replacement.

3. **Installation Challenges** If the vehicle has significant rust, bent frame rails, or misaligned suspension components, installing the tie bar may require additional work (e.g., frame straightening or bushing replacement).

4. **Limited Longevity in Harsh Conditions** Off-road use, extreme temperatures, or exposure to salt (common in winter driving) can accelerate wear on the tie bar and its mounting points.

5. **Possible Misalignment Issues** If not installed correctly, the tie bar may not restore proper suspension geometry, leading to uneven tire wear or handling problems.

6. **Cost of Professional Installation** While DIY installation is possible, some vehicles may require specialized tools or expertise, making professional installation necessary for certain applications.

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The GM 84015363 front end upper tie bar is a **practical and cost-effective solution** for restoring proper suspension function in compatible GM vehicles. Its direct fitment, durability, and role in preventing costly suspension damage make it a worthwhile investment for most owners facing tie bar failure. However, the part s effectiveness depends on **proper installation** and **maintenance**, and buyers should ensure they purchase from a trusted source to avoid counterfeit or substandard components.

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- **Buy from an authorized GM parts dealer, reputable aftermarket supplier, or a trusted online retailer** (e.g., RockAuto, PartsGeek, or local GM dealership) to ensure authenticity and quality.

- **Inspect the mounting points** (frame rails, bushings) before installation replace any worn or damaged components to ensure long-term reliability.

- **Follow manufacturer installation guidelines** or consult a mechanic if unsure about proper alignment and torque specifications.

- **Monitor suspension performance** after installation. If handling issues persist, check for misalignment or other suspension wear.

- **Consider a full suspension inspection** if the tie bar is part of a larger problem (e.g., rusted frame, worn bushings), as addressing all issues upfront prevents future failures.

For most GM vehicle owners experiencing tie bar failure, this part is a **smart, budget-friendly upgrade** that enhances safety and ride quality. However, prioritize quality and proper installation to maximize its lifespan.

Details:

Changed My Mind. Just Didn't Like it. Found a Better Price.

part #: 84015363 prices

• $114.46-$130.39

specifications ocoosys:

• for models: Lacrosse
• for years: 2017-2019
• brand: Gm
• mpn: 84015363
• part type: Tie Bar
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• make: Buick
• year: 2017 2018 2019
• parts included: Only Part Reference 1 On The Diagram Is Included

shipping ocoosys:

• type: Fixed
• cost: $0.00
• carrier: FedEx
• class: Standard
• transit: 4-10 Days
• service: FedEx Ground / FedEx Home Delivery

general ocoosys:

• Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components
• condition: New

returns ocoosys:

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

offer ocoosys:

• started: April 12, 2026
• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home

payments ocoosys:

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

seller ocoosys:

• rating: 99.0%
• city: Garland, Texas
• # reviews: 30892

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