AC DELCO 34579BKFZ Parking Brake Cable Rear Left

( Brand: Ac Delco ), ( Manufacturer Part Number: 34579BKFZ ), ( Part Type: Parking Brake Cable ), ( Placement On Vehicle: Rear Left ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Parking Brake Cable New; Power Park Brake ), ( Years: 2015 2016 2017 2018 2019 2020 ), ( Application: Gmc Yukon Xl Parking Brake Cable ), ( Cs-sku: 400 )

Review AC DELCO Gmc Xl Parking Brake Cable Rear Left fits YUKON 2015–2020

The **AC Delco 34579BKFZ** is a high-performance, direct-fit replacement parking brake cable designed specifically for the **rear left side** of **2015 2020 GMC Yukon XL** models, including the **2016 Yukon XL** variant. Engineered to meet or exceed OEM standards, this cable is crafted from durable, corrosion-resistant materials to ensure long-lasting reliability in demanding driving conditions. The **34579BKFZ** features a precision-machined steel construction with a smooth, low-friction design, reducing wear on the brake system while maintaining optimal tension for secure parking engagement. Its **black powder-coated finish** not only enhances durability but also provides a sleek, professional appearance that blends seamlessly with the vehicle s existing components. This cable is built to withstand the rigors of frequent use, whether navigating steep inclines, heavy loads, or extreme temperatures, ensuring consistent braking performance year after year. With a **direct bolt-on installation**, it eliminates the need for complex modifications, making it an ideal choice for both professional mechanics and DIY enthusiasts seeking a hassle-free upgrade. Backed by the trusted **AC Delco brand**, known for its commitment to quality and compatibility, this parking brake cable delivers peace of mind with every stop, helping to maintain the safety and functionality of your GMC Yukon XL s braking system.

### **Pros and Cons of buying a AC Delco 34579BKFZ Parking Brake Cable (Rear Left, 2016 GMC Yukon XL)**

1. **OEM Quality and Compatibility** AC Delco is a trusted brand under General Motors, meaning this part is designed to meet or exceed factory specifications for your 2016 GMC Yukon XL. It should fit without modification and perform reliably, reducing the risk of premature failure.

2. **Reliability and Durability** As an OEM or OEM-equivalent part, it is built to withstand regular use under normal driving conditions. The materials and construction are optimized for longevity, which can be especially important for a parking brake system that must hold the vehicle securely when parked.

3. **Ease of Installation** Since it is a direct replacement, the installation process should be straightforward for someone with basic mechanical skills. The part is designed to integrate seamlessly with the existing system, minimizing the need for adjustments or additional tools.

4. **Warranty Coverage** AC Delco parts typically come with a manufacturer s warranty (often 1 2 years), providing peace of mind in case of defects. This can be particularly valuable if the part fails shortly after installation.

5. **Cost-Effective Alternative to OEM** While not an exact factory part, AC Delco offers a high-quality aftermarket option that is often more affordable than purchasing a genuine GM replacement. This can be a significant advantage if you are on a budget.

6. **Wide Availability** AC Delco parts are widely stocked at auto parts stores, online retailers, and dealerships, making it easy to purchase and replace the part quickly.

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1. **Potential for Counterfeit or Low-Quality Replicas** Since this is an aftermarket part, there is a risk of purchasing a counterfeit or inferior copy, especially if buying from untrusted sellers. Always verify the seller s reputation and check for authenticity markings (e.g., AC Delco branding, part numbers, or packaging).

2. **Mixed Reviews on Longevity** While AC Delco is generally reliable, some users report that aftermarket parking brake cables may wear out faster than OEM parts, particularly if the vehicle is driven in harsh conditions (e.g., heavy loads, off-roading, or extreme temperatures). This could lead to more frequent replacements.

3. **No Factory Warranty** Unlike OEM parts purchased from a dealership, aftermarket parts may not be covered under the vehicle s original warranty. If the part fails and causes damage to other components (e.g., the parking brake actuator or transmission), you may be responsible for repairs.

4. **Installation Challenges** While the part is designed for easy replacement, some users may encounter difficulties if they lack experience with brake systems. Improper installation (e.g., incorrect tension, misalignment, or improper lubrication) could lead to premature wear or failure.

5. **Limited Customization** Unlike OEM parts, aftermarket options may not offer additional features or upgrades (e.g., reinforced cables, corrosion-resistant coatings). If you need specialized performance, you may need to explore other brands or custom solutions.

6. **Potential for Incompatibility with Modifications** If your Yukon XL has aftermarket modifications (e.g., lifted suspension, heavy-duty towing equipment, or performance upgrades), the stock parking brake cable may not be sufficient. In such cases, a heavier-duty or upgraded part might be necessary.

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The **AC Delco 34579BKFZ parking brake cable** is a solid choice for replacing the rear left parking brake cable on your 2016 GMC Yukon XL. It offers a good balance of quality, compatibility, and affordability, making it a practical option for most drivers. However, it is not without risks, particularly if the part is counterfeit or if installation is not done correctly.

For **best results**, purchase the part from a reputable retailer (e.g., RockAuto, Amazon, or a trusted local auto parts store) and ensure it matches the exact part number. If you are unsure about installation, consider having a professional mechanic perform the replacement to avoid voiding warranties or causing further damage.

If your vehicle is used for heavy towing, off-roading, or extreme conditions, you may want to research **heavier-duty alternatives** (e.g., parts from brands like **DuraGo, Bendix, or ACDelco Pro**) to ensure long-term reliability.

- **Buy from a trusted source** (e.g., RockAuto, Amazon, or a dealership) to avoid counterfeit parts.

- **Follow the installation instructions carefully** or have a mechanic assist if needed.

- **Monitor the parking brake s performance** after installation. If it fails to hold properly or wears out quickly, consider upgrading to a heavier-duty cable.

- **If budget allows**, purchasing an **OEM GM part** (if available) may provide slightly better long-term reliability, though the aftermarket AC Delco is a cost-effective alternative.

Overall, the **AC Delco 34579BKFZ is a reasonable and reliable choice** for most drivers, provided it is installed correctly and sourced from a reputable seller.

Details:

Parts Geek - For 2015 - 2020 GMC Yukon XL Parking Brake Cable Rear Left AC Delco 34579BKFZ 2016: Review Fitment Notes to Ensure Proper Fit Position: condition: New Brand: Notes: New; POWER PARK BRAKE J71 ; CODE AAC7 Mounting Bracket Included: No Meets or Exceeds OEM Specifications: Yes Features: GM-recommended replacement part for your GM vehicles original factory component. Manufactured with GM Original Equipment specification for fit, form, and function. 12 Month Warranty Fitment Notes: Vehicle: 2015 - 2020 GMC Yukon XL. Offering the quality, reliability, and durability of GM OE.

part #: 34579bkfz prices

• $32.67-$93.45

specifications parkingbrakecablesaz:

• for models: Yukon
• for makes: Gmc
• for years: 2015-2020
• brand: Ac Delco
• mpn: 34579bkfz
• part type: Parking Brake Cable
• placement on vehicle: Rear Left
• manufacturer warranty: 12 Month Warranty
• notes: Parking Brake Cable New; Power Park Brake
• years: 2015 2016 2017 2018 2019 2020
• application: Gmc Yukon Xl Parking Brake Cable
• cs-sku: 400

seller parkingbrakecablesaz:

• rating: 98.8%
• city: La Grange, Illinois
• # reviews: 329799

returns parkingbrakecablesaz:

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

general parkingbrakecablesaz:

• Car Truck Parts Accessories > Brakes Brake Parts > Brake Cables
• condition: New

shipping parkingbrakecablesaz:

• service: FedEx Ground / FedEx Home Delivery
• cost: $0.00
• class: Standard
• transit: 3-7 Days
• carrier: FedEx
• type: Fixed

offer parkingbrakecablesaz:

• availability: In Stock
• started: April 22, 2026
• quantity: 1
• options: Ship-to-home
• sold: 0

payments parkingbrakecablesaz:

• other
• credit card: Discover
• wallet: Paypal

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