AC DELCO 42789RTSR Parking Brake Cable Rear

( Brand: Ac Delco ), ( Manufacturer Part Number: 42789RTSR ), ( Part Type: Parking Brake Cable ), ( Placement On Vehicle: Rear ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Gold New; 37 1/8 Overall Length ), ( Years: 1973 1974 1975 ), ( Application: Chevrolet Impala Parking Brake Cable ), ( Cs-sku: 400 )

Review AC DELCO Chevrolet Parking Brake Cable Rear fits IMPALA 1973–1975

The **AC Delco 42789RTSR** is a high-quality, direct-fit replacement parking brake cable designed specifically for the rear axle of **1973 1975 Chevrolet Impala** models, including the **1974** variant. Engineered to meet or exceed OEM specifications, this cable ensures reliable and precise operation of the parking brake system, providing the confidence and security drivers expect from a well-maintained vehicle. Crafted from durable, corrosion-resistant materials, the **42789RTSR** is built to withstand the demands of daily use, offering long-lasting performance even in varying environmental conditions. The cable features a **tapered design** that optimizes tension and engagement, reducing wear on both the cable and the brake shoes while delivering smooth, consistent braking power. Whether you're tackling steep inclines or simply securing your vehicle in a parking lot, this cable delivers the strength and responsiveness needed to keep your Impala stationary with ease. Its **direct-fit compatibility** ensures a hassle-free installation, minimizing the need for modifications or adjustments, and its **rust-proof coating** helps prevent premature failure due to moisture or road salt exposure. Ideal for both professional mechanics and DIY enthusiasts, the **AC Delco 42789RTSR** is a trusted choice for restoring or maintaining the parking brake functionality of classic Chevrolet Impalas, ensuring safety and reliability for years to come.

### **Pros and Cons of buying a AC Delco 42789RTSR Parking Brake Cable (1973 1975 Chevrolet Impala Rear, 1974 Model)**

1. **Direct Fitment** This part is specifically designed for the 1973 1975 Chevrolet Impala rear parking brake system, ensuring compatibility without modifications.

2. **OEM Quality** AC Delco is a trusted brand known for producing reliable aftermarket parts that meet or exceed original equipment manufacturer (OEM) standards.

3. **Durability** The cable is constructed with materials that resist wear, corrosion, and stretching, which helps maintain consistent brake performance over time.

4. **Easy Installation** The design is straightforward, making it accessible for DIY mechanics or those with basic automotive experience.

5. **Prevents Drag** A properly functioning parking brake cable reduces unnecessary strain on the transmission and drivetrain, improving fuel efficiency and drivability.

6. **Safety Improvement** A well-maintained parking brake ensures the vehicle remains stationary when parked on inclines, reducing the risk of rolling.

7. **Cost-Effective** Replacing a worn-out cable is far cheaper than dealing with transmission damage or other issues caused by a failing parking brake system.

1. **Potential Wear Over Time** Like any mechanical component, the cable may eventually stretch or corrode, requiring eventual replacement.

2. **Rust Susceptibility** If the vehicle has been exposed to moisture or salt (common in winter conditions), the cable may rust, necessitating more frequent inspections.

3. **Adjustment Required** After installation, the parking brake may need adjustment to ensure proper tension and engagement.

4. **Limited Availability** While AC Delco parts are widely available, finding the exact model (42789RTSR) may require checking online marketplaces or specialty auto parts stores.

5. **DIY Difficulty for Beginners** If the mechanic lacks experience with brake systems, improper installation could lead to binding or ineffective parking brake operation.

The **AC Delco 42789RTSR parking brake cable** is a solid choice for restoring or maintaining the parking brake function in a **1973 1975 Chevrolet Impala**. Its **OEM-quality construction, direct fitment, and durability** make it a reliable upgrade, especially if the original cable is worn or malfunctioning. While it requires basic installation knowledge and periodic maintenance, the benefits **improved safety, drivability, and longevity of the brake system** far outweigh the minor drawbacks.

If your **1974 Chevrolet Impala s parking brake is sluggish, not holding properly, or shows signs of wear**, this AC Delco cable is a **highly recommended replacement**. Purchase from a **trusted retailer** (such as RockAuto, Amazon, or a local auto parts store) to ensure authenticity. If unsure about installation, consult a **mechanic experienced with classic Chevy brake systems** to avoid potential issues. Regularly inspect the cable for rust or stretching to extend its lifespan. Overall, this part provides **a cost-effective and reliable solution** for maintaining your vehicle s parking brake functionality.

Details:

Includes necessary hardware for easy installation. 12 Month Warranty Fitment Notes: Vehicle: 1973-1975 Chevrolet Impala. Performs to standards required by OE manufacturers ensuring optimal protection, service life, and safety. OE-style brackets and end fittings provide an easy installation similar fit to original cables.

Position: Rear.

part #: 42789rtsr price

• $33.37

specifications parkingbrakecablesaz:

• for models: Impala
• for makes: Chevrolet
• for years: 1973-1975
• brand: Ac Delco
• mpn: 42789rtsr
• part type: Parking Brake Cable
• placement on vehicle: Rear
• manufacturer warranty: 12 Month Warranty
• notes: Gold New; 37 1/8 Overall Length
• years: 1973 1974 1975
• application: Chevrolet Impala Parking Brake Cable
• cs-sku: 400

seller parkingbrakecablesaz:

• rating: 98.8%
• city: Kansas City, Missouri
• # reviews: 328756

payments parkingbrakecablesaz:

• wallet: Apple-pay
• credit card: Mastercard
• other

returns parkingbrakecablesaz:

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

shipping parkingbrakecablesaz:

• cost: $0.00
• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery
• type: Fixed
• class: Standard
• transit: 4-8 Days

general parkingbrakecablesaz:

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

offer parkingbrakecablesaz:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0
• started: April 17, 2026

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