GMC 5973388 El Caballero Right Front Marker Light

( Manufacturer Part Number: 5973388 ), ( Type: Marker Light Lamp ), ( Color: Yellow ), ( Vintage Part: Yes ), ( Country Of Origin: China ), ( Placement On Vehicle: Right Front )

Review GMC Oem El Caballero Right Front Marker Light fits CAMINO 1982–1987

The **GMC Caballero 82-87 Right Front Marker Light (Part Numbers: 5973388, 82, 83, 84, 85, 86, 87)** is a meticulously engineered, high-quality replacement component designed to restore both the functional and aesthetic integrity of your classic GMC Caballero from the early 1980s. Crafted to exacting specifications, this marker light is built to meet the original equipment manufacturer (OEM) standards, ensuring a seamless fit and reliable performance. The unit features a robust, durable housing constructed from high-impact plastic, engineered to withstand the rigors of daily driving while maintaining a sleek, vintage appearance that complements the vehicle s timeless design. The lens is precision-molded to provide optimal light dispersion, ensuring visibility and compliance with road safety regulations. Whether you re restoring a show-quality Caballero or simply maintaining your daily driver, this marker light delivers both functionality and authenticity. Its straightforward installation process requiring minimal tools makes it an ideal choice for DIY enthusiasts and professional mechanics alike. By upgrading to this genuine replacement, you not only enhance your vehicle s curb appeal but also ensure that your Caballero remains a head-turner on the road, blending classic charm with modern reliability.

### **Pros and Cons of buying a GMC Caballero (1987) with VIN 5973388828384858687 (Right Front Marker Light Issue)**

#### **Overview**

The 1987 GMC Caballero is a full-size van based on the Chevrolet/GMC C/K platform, known for its durability, spacious cargo area, and utility. However, like many older vehicles, it comes with both advantages and significant drawbacks, particularly when considering its age, maintenance needs, and potential reliability issues. The right front marker light issue is a minor cosmetic concern but may indicate broader electrical or wiring problems that should be investigated.

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### **Pros**

1. **Spacious and Versatile Cargo Area**

- The Caballero offers a large interior, making it ideal for hauling equipment, tools, or cargo. The high roof and wide body provide ample headroom and storage flexibility.

- The sliding side doors and rear cargo door allow easy loading/unloading of large items.

2. **Proven Durability (for its Era)**

- Built on the robust Chevrolet/GMC C/K platform, the Caballero was designed for heavy-duty use, including towing and hauling. The frame and suspension are sturdy, which can be an advantage if maintained properly.

- Many original components (engine, transmission, drivetrain) are still available, making repairs easier than on newer vehicles with proprietary parts.

3. **Potential for Customization**

- The van s design lends itself well to modifications, such as converting it into a camper, workshop, or mobile office. The open cargo space allows for creative use.

- Aftermarket parts and accessories (e.g., lift kits, exhaust systems, interior upgrades) are widely available for C/K-based vehicles.

4. **Lower Upfront Cost**

- Compared to newer vans or trucks, a 1987 Caballero is significantly cheaper to purchase, even in decent condition. This makes it an attractive option for buyers on a budget.

- Insurance and registration costs are also lower than for modern vehicles.

5. **Community and Support**

- There is a dedicated community of enthusiasts and restorers for C/K-based vans. Online forums (e.g., Truckin Forum, GMC Caballero clubs) offer troubleshooting advice, part recommendations, and restoration tips.

- Many mechanics are familiar with older GM trucks and vans, reducing the risk of being stuck with an obscure repair.

6. **Potential for Low Mileage or Well-Maintained Examples**

- Some Caballeros were used for commercial or fleet purposes and may have lower mileage than personal vehicles. A well-documented history of maintenance can extend its reliability.

- If the previous owner was diligent with oil changes, brake service, and minor repairs, the van could still be in good shape.

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### **Cons**

1. **Age and Wear**

- At nearly 40 years old, the Caballero is past its prime. Rust, worn suspension components, and degraded seals are common issues that require attention.

- The original materials (e.g., rubber hoses, belts, gaskets) are likely worn out and will need replacement soon.

2. **Reliability Concerns**

- The **350 cubic inch V8 engine** (most common in the Caballero) is powerful but prone to issues like head gasket failure, oil leaks, and valve train wear if not maintained. Later models (post-1987) may have improved fuel injection, but carbureted versions are less efficient and more prone to tuning problems.

- The **transmission** (likely a 3-speed automatic or 4-speed manual) may require fluid changes and could develop slipping or rough shifting over time.

- **Electrical systems** (including the right front marker light issue) can be finicky. Wiring harnesses degrade over time, and modern electronics may not be compatible with older components.

3. **Fuel Efficiency**

- The V8 engine is thirsty, especially for its size. Expect around **12 15 MPG highway** and **8 10 MPG city**, which is poor compared to modern diesel or hybrid vans.

- Fuel costs will be a significant ongoing expense, especially if the van is used frequently.

4. **Safety and Modern Standards**

- The Caballero lacks modern safety features such as **airbags, stability control, anti-lock brakes (ABS), or electronic stability control**. Older seat belts and minimal crash protection make it less safe in a collision.

- Visibility is limited compared to newer vans, with smaller windows and blind spots.

5. **Emissions and Environmental Regulations**

- The van does not meet modern emissions standards, which could limit its use in certain areas or require modifications to pass inspections.

- Some states have restrictions on older vehicles, particularly for commercial use.

6. **Right Front Marker Light Issue (and Broader Electrical Problems)**

- The right front marker light not working could indicate a **blown fuse, loose connection, or failing bulb**. However, it may also signal deeper issues like a **corroded ground wire, faulty wiring harness, or a problem with the vehicle s electrical system**.

- Older GM vehicles often have **poorly insulated wiring**, which can lead to shorts, intermittent failures, or complete electrical system failures. This is something to investigate thoroughly before purchasing.

- If the electrical system is unreliable, modern additions (e.g., GPS, aftermarket lighting, or even a new radio) could be problematic.

7. **Maintenance and Repair Costs**

- While parts are available, labor costs for older vehicles can be high, especially if a shop lacks experience with GM trucks.

- **Rust** is a major concern, particularly in the frame, suspension, and undercarriage. A thorough inspection (or a lift inspection) is essential to assess corrosion.

- **Brakes, suspension, and steering components** (e.g., ball joints, control arms, bushings) will likely need replacement soon.

8. **Resale Value**

- The Caballero is not a highly sought-after vehicle, and its resale value will be minimal. If you plan to sell it later, you may not recover much of your investment.

9. **Driving Comfort and Modern Ergonomics**

- The cabin lacks modern amenities such as **power-adjustable seats, cruise control, or climate control**. The driving position may feel outdated, and the ride can be stiff compared to newer vans.

- **Noise and vibration** are more noticeable in an older vehicle, especially if the suspension or engine mounts are worn.

10. **Availability of Parts and Mechanics**

- While parts are still available, some components (e.g., specific body panels, interior trim) may be hard to find or expensive.

- Finding a mechanic experienced with GM trucks from the 1980s may require extra effort, especially in areas with fewer older vehicle specialists.

---

### **Key Considerations Before Purchase**

1. **Thorough Inspection is Critical**

- **Engine condition** (compression test, oil leaks, valve train noise).

- **Transmission** (fluid condition, shifting smoothness).

- **Suspension and steering** (ball joints, bushings, frame rust).

- **Electrical system** (test all lights, fuses, and wiring for corrosion).

- **Rust** (check wheel wells, frame rails, and undercarriage).

- If possible, **lift the van** to inspect the underside for rust or damage.

2. **Document the Vehicle s History**

- Request **service records** to verify maintenance (oil changes, brake jobs, etc.).

- Check for **accident or flood damage**, which can severely compromise structural integrity.

- A **Carfax or similar report** can help uncover past issues.

3. **Budget for Repairs**

- Expect to spend **$1,000 $3,000 ** on immediate repairs (brakes, suspension, electrical, etc.).

- Factor in **ongoing maintenance** (oil changes every 3,000 5,000 miles, brake pads, belts, etc.).

- If the electrical system is unreliable, budget for **wiring repairs or a full harness replacement**.

4. **Test Drive and Electrical Check**

- During the test drive, **test all lights** (including the right front marker light) to ensure they function properly.

- Listen for **unusual noises** (knocking from the engine, grinding from suspension, or electrical humming).

- Check if the **radio, horn, and accessories** work, as these can indicate broader electrical issues.

5. **Consider Your Intended Use**

- If you plan to **drive it daily**, the maintenance costs and reliability risks may outweigh the benefits.

- If you intend to **restore it as a project vehicle**, ensure you have the time, skills, and budget for a full rebuild.

- If you need it for **work or hauling**, verify its capacity (check the **GVWR** to ensure it can handle your loads).

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### **Conclusion and Recommendation**

The **1987 GMC Caballero with VIN 5973388828384858687** can be a **great project vehicle or a practical work van** for someone with mechanical experience, a budget for repairs, and a tolerance for older vehicles. Its **spacious cargo area, durability, and customization potential** make it appealing for enthusiasts or those

Details:

There is also dirt inside lens/housing. OEM 82 83 84 85 86 87 EL CAMINO GMC CABALLERO RIGHT FRONT MARKER LIGHT 5973388, Part is dirty, faded, has light scratches and wear. Listed as parts or repair due to condition. The lens color is faded and hard to see in pictures.

part #: 5973388 prices

• $9.00-$29.99

specifications emblico:

• for models: Camino
• for makes: Gmc
• for years: 1982-1987
• mpn: 5973388
• type: Marker Light Lamp
• color: Yellow
• vintage part: Yes
• country of origin: China
• placement on vehicle: Right Front

payments emblico:

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

general emblico:

• Car Truck Parts Accessories > Exterior Parts Accessories > Emblems Ornaments
• condition: For parts or not working

seller emblico:

• rating: 100.0%
• # reviews: 44
• city: Virginia, Minnesota

offer emblico:

• best offers: True
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: April 9, 2026
• sold: 0

returns emblico:

• policy: No Returns

shipping emblico:

• class: Standard
• carrier: USPS
• cost: $6.68
• transit: 5-11 Days
• service: USPS Ground Advantage
• type: Calculated

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