KEY PARTS 3947345 Front Parking Brake Cable K15 K20
fits model: K10, Blazer. make: Chevrolet, Gmc. year: 1967-70–1969-72.
( Brand: Key Parts ), ( Manufacturer Part Number: 3947345 ), ( Part Type: Parking Brake Cable )
Review KEY PARTS Chevrolet Gmc K15 K20 Front Parking Brake Cable fits BLAZER K10 1967-70–1969-72
The **Key 3947345 Front Parking Brake Cable** is a meticulously crafted, high-quality replacement part designed specifically for the iconic **1967 1970 Chevrolet K10**, **1969 1972 GMC K15**, and **1969 1972 Chevrolet K20 Blazer** vehicles, ensuring a perfect fit for these rugged, off-road-capable trucks and SUVs. Engineered to replicate the original factory specifications, this cable is constructed from durable, corrosion-resistant materials, including a robust steel core and a protective, weather-resistant outer sheath, which guarantees longevity even in demanding conditions. The design features a smooth, precise operation, allowing for effortless engagement and disengagement of the parking brake mechanism, reducing wear on the brake shoes and drums while maintaining optimal stopping power. Ideal for both restoration projects and routine maintenance, this cable is a direct drop-in replacement, eliminating the need for modifications or additional adjustments, and ensuring seamless compatibility with the vehicle s existing brake system. Whether restoring a classic K-series truck to its original glory or performing routine upkeep on a beloved off-road vehicle, this parking brake cable delivers reliability, performance, and the peace of mind that comes with using an authentic, high-quality aftermarket part.
### **Pros and Cons of Buying a 1967-70 Chevrolet K10 / 1969-72 GMC K15 / 1969-72 K20 Blazer Front Parking Brake Cable (Key #3947345)**
This part is a **front parking brake cable** for early-generation Chevrolet K-series trucks (K10, K20) and the GMC K15 Blazer. Below is a detailed breakdown of its advantages and drawbacks, followed by a conclusion and recommendation.
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### **Pros**
1. **Direct Fitment for Classic Trucks**
- The cable is designed specifically for **1967-1970 Chevrolet K10, 1969-1972 GMC K15, and 1969-1972 K20 Blazer** models, ensuring compatibility without modification.
- Avoids the hassle of sourcing aftermarket parts that may not align perfectly with the vehicle s mechanics.
2. **Reliability of OEM-Style Parts**
- As an original equipment or high-quality reproduction part, it maintains the **mechanical integrity** of the parking brake system, reducing the risk of premature failure.
- Built to withstand the same stresses as the original, which is crucial for safety-critical components like the parking brake.
3. **Simplified Installation**
- Since it is a direct replacement, installation typically requires minimal adjustments, making it accessible for **DIY mechanics** or those without extensive automotive experience.
- Reduces the need for custom fabrication or adapter parts, saving time and labor costs.
4. **Compatibility with Restoration Projects**
- Ideal for **restorers** aiming for authenticity in their builds, as it matches the original design of these trucks and SUVs.
- Helps maintain the vehicle s historical accuracy, which is valuable for collectors and enthusiasts.
5. **Cost-Effective Compared to Full System Replacement**
- Replacing just the cable is far cheaper than overhauling the entire parking brake assembly, which may include the drum, shoes, and linkage.
- Extends the lifespan of the existing parking brake system by addressing a single worn component.
6. **Improved Safety and Functionality**
- A properly functioning parking brake is essential for **preventing rollaway** and ensuring stability when parked on inclines.
- Reduces the risk of brake failure, which could lead to accidents or damage to the vehicle.
7. **Availability of Supporting Documentation**
- The part likely comes with **installation instructions or wiring diagrams**, making it easier for buyers to complete the job correctly.
- Some suppliers provide **part numbers or cross-references** to ensure the right fit for the specific year and trim.
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### **Cons**
1. **Potential Age-Related Wear in the System**
- Even with a new cable, the **parking brake drum, shoes, and adjuster** may be worn out, requiring additional maintenance.
- If these components are neglected, the new cable may not function optimally, leading to premature failure or ineffective braking.
2. **Limited Availability of Original Parts**
- While this cable is widely compatible, **original parts for these older vehicles can be scarce**, especially for rare or high-mileage models.
- Buyers may still need to source additional components (e.g., brake shoes, springs) from specialty suppliers, which can be costly or time-consuming.
3. **Compatibility with Aftermarket Modifications**
- If the vehicle has undergone **aftermarket brake upgrades** (e.g., disc brakes, performance brake kits), the original parking brake system may not integrate seamlessly.
- Some modern or performance-oriented vehicles may require **adapters or alternative solutions**, reducing the cable s universality.
4. **Rust and Corrosion Risks**
- Vehicles from this era were not built with modern corrosion-resistant materials, so the **brake hardware may be prone to rust**, even with a new cable.
- Buyers should inspect the **brake drum, housing, and mounting points** for rust before installation to avoid future issues.
5. **Skill Dependency for Installation**
- While the cable itself is straightforward to install, **adjusting the parking brake tension** requires knowledge of the system s mechanics.
- Improper adjustment can lead to **ineffective parking brake engagement** or excessive drag on the service brakes, reducing overall braking efficiency.
6. **Potential for Counterfeit or Low-Quality Reproductions**
- Some aftermarket parts, even those labeled as "OEM replacements," may be **counterfeit or poorly manufactured**, leading to early failure.
- Buyers should purchase from **reputable suppliers** with positive reviews and clear sourcing information to avoid subpar quality.
7. **Limited Longevity Compared to Modern Parts**
- While durable, **mechanical parking brake systems from this era are not as robust as modern hydraulic or electronic systems**.
- The cable and related components may require **more frequent inspection and maintenance** than contemporary vehicles.
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### **Conclusion**
The **1967-70 Chevrolet K10 / 1969-72 GMC K15 / K20 Blazer front parking brake cable (key #3947345)** is a **practical and cost-effective solution** for restoring or maintaining the parking brake function in these classic vehicles. Its **direct fitment, reliability, and ease of installation** make it a strong choice for enthusiasts and restorers. However, buyers must be aware of **potential underlying issues** in the brake system (e.g., rust, worn drums) and ensure they have the **necessary skills or resources** to complete a thorough inspection and adjustment.
For **restoration projects**, this part is **highly recommended** as long as the rest of the brake system is in decent condition. For **daily drivers or high-mileage vehicles**, additional maintenance (e.g., brake shoe replacement, rust treatment) may be necessary to ensure long-term reliability.
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### **Recommendation**
- **Buy the cable if:**- You are restoring a **K10, K15, or K20** and need a direct replacement for the parking brake.
- The rest of the brake system (drum, shoes, adjuster) is in **acceptable condition** or can be easily serviced.
- You plan to **inspect and maintain the system regularly** to prevent rust and wear.
- You purchase from a **trusted supplier** to avoid counterfeit or low-quality parts.
- **Avoid or supplement with additional parts if:**- The **brake drum or shoes are severely worn**, as the cable alone will not provide reliable parking brake function.
- The vehicle has **significant rust** in the brake housing or mounting points, which may require welding or replacement.
- You lack experience with **manual brake adjustments**, as improper tension can lead to safety hazards.
**Final Verdict:** This cable is a **solid choice for authenticity and functionality** in early K-series trucks and Blazers, provided the buyer addresses any accompanying wear in the brake system. For best results, pair it with a **full brake inspection** and consider upgrading other components if needed.
Details:
1967-70 Chevrolet K10 GMC K15; 1969-72 K20 Blazer; Front Parking Brake Cable Guide Hook Kit; 8 3/4: This front parking brake cable guide kit is meant for 1967-1970 K15 K25 and 1969-1972 Blazer. Kit comes with main rod guide cable hooks and connectors. The main guide hook is 8 3/4 inches long specifically for model's where the rod hooks into frame mounted bracket.
specifications parkingbrakecablesaz:
- for models: K10, Blazer
- for makes: Chevrolet, Gmc
- for years: 1967-70-1969-72
- brand: Key Parts
- mpn: 3947345
- part type: Parking Brake Cable
offer parkingbrakecablesaz:
- sold: 0
- quantity: 1
- availability: In Stock
- started: May 11, 2026
- options: Ship-to-home
returns parkingbrakecablesaz:
- policy: Returns Accepted
- paid by: Seller
- time: 30 Days
shipping parkingbrakecablesaz:
- class: Standard, Expedited
- carrier: USPS, UPS, FedEx
- cost: $8.51
- transit: 4-10 Days
- type: Calculated
- service: USPS Ground Advantage, UPS Ground, UPS 2nd Day Air, FedEx Ground / FedEx Home Delivery
payments parkingbrakecablesaz:
- other
- credit card: Discover
- wallet: Google-pay
seller parkingbrakecablesaz:
- rating: 99.7%
- # reviews: 61322
- city: Huntington Beach, California
general parkingbrakecablesaz:
- Car Truck Parts Accessories > Brakes Brake Parts > Brake Cables
- condition: New
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- Key Parts 3975184 1971-72 Chevrolet K10 Gmc K15 Front Parking Brake Cable Guide Hook (77.3% similar) The main guide hook is 14 inches long specifically for model's where the rod hooks into frame mounted bracket. Kit comes with main rod guide cable hooks and connectors. 1971 -72 chevrolet K10; gmc K15; front parking brake cable guide hook kit; 14: this front parking brake cable guide kit is meant ...(February 20th, 2026)
