MOTORAD C622 Fuel Tank Gas Cap Dg 66-17 V2500 6.2L V8

( Brand: Motorad ), ( Manufacturer Part Number: 1991 ), ( Type: Fuel Tank Cap ), ( Placement On Vehicle: Air Fuel Delivery Hardware Fasteners Fittings ), ( Item Width: 3.000 ), ( Item Length: 3.250 ), ( Manufacturer Warranty: 1 Year ), ( Ipn: C622 66-17 ), ( Compatible Model: V2500 Suburban ), ( Compatible Year: 1991 1990 1989 1988 1987 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Motorad Fuel Tank Cap )

Review MOTORAD 66-17 Fuel Tank Cap Gmc V2500 6.2l V8 Gas Delivery Dg fits SUBURBAN 1987–1991

The **Motorad C622 66-17 Fuel Tank Cap** is a meticulously crafted, high-performance replacement part designed specifically for the **1987 1991 GMC V2500 Suburban** equipped with the legendary **6.2L V8 gas engine (DG)** a robust and reliable powerplant known for its durability and strong towing capabilities. This fuel tank cap is engineered to meet the exacting standards of modern fuel systems while maintaining full compatibility with your vehicle s original specifications. Crafted from premium-grade **polypropylene**, this cap is built to withstand the rigors of daily use, including exposure to harsh weather conditions, UV radiation, and the corrosive effects of gasoline and fuel additives. The design incorporates a **secure, tamper-resistant locking mechanism**, ensuring that the cap remains tightly sealed to prevent fuel evaporation, vapor leaks, and potential contamination, which is critical for maintaining optimal engine performance and fuel efficiency. The cap features a **smooth, aerodynamic contour** that not only enhances its visual appeal but also reduces drag when the vehicle is in motion, contributing to a cleaner, more efficient airflow around the fuel tank. Additionally, the **threaded base** is precision-machined to ensure a perfect fit with the original fuel tank opening, eliminating any risk of leaks or misalignment that could lead to fuel spills or engine performance issues. Whether you're hauling heavy loads, embarking on long-distance trips, or simply ensuring your vehicle remains in peak condition, this Motorad fuel tank cap provides a reliable, long-lasting solution that blends functionality with durability. Its straightforward installation and compatibility with aftermarket fuel systems make it an ideal upgrade for both restoration projects and routine maintenance, ensuring your GMC Suburban continues to deliver the power and reliability you expect from this iconic vehicle.

### Pros and Cons of Buying a Motorad C622 66-17 Fuel Tank Cap for a 1987-1991 GMC V2500 Suburban (6.2L V8 Gas, DG)

1. **Exact Fit and Compatibility** The Motorad C622 66-17 is specifically designed for the 1987 1991 GMC V2500 Suburban with a 6.2L V8 gas engine (DG series). This ensures a proper seal, preventing fuel leaks or vapor loss, which improves fuel efficiency and reduces emissions.

2. **Durable Material** Motorad fuel caps are typically made from high-quality plastic or metal, resistant to cracking, warping, or degradation from UV exposure, heat, or fuel chemicals. This extends the lifespan of the cap compared to generic or aftermarket alternatives.

3. **Seal Integrity** A well-fitted cap ensures a tight seal, which is crucial for maintaining proper fuel pressure in the tank. This helps prevent fuel evaporation, reduces "fuel smell" in the cabin, and may improve engine performance by keeping fuel vapor in the tank where it belongs.

4. **Easy Installation** The cap is designed to be a straightforward replacement, requiring no modifications to the fuel tank or surrounding components. Most users can install it without specialized tools, though a slight amount of lubricant (like silicone spray) may help if the threads are stiff.

5. **Brand Reliability** Motorad is a well-known brand in the aftermarket parts industry, known for producing reliable, high-quality components. Their fuel caps are often used as OEM replacements or upgrades in restoration projects.

6. **Prevents Fuel Theft** Some fuel caps include security features (like tamper-evident seals or locking mechanisms) that deter fuel theft, which can be a concern for older vehicles left unattended.

7. **Compatibility with Modern Standards** Even though your vehicle is older, a modern fuel cap may meet or exceed contemporary emissions standards, reducing the risk of check-engine lights or fuel system issues.

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1. **Potential Overkill for Basic Use** If your vehicle is used primarily for occasional driving and stored in a garage, the benefits of a premium fuel cap may be minimal. A generic replacement cap could suffice if it fits correctly.

2. **Cost Compared to Generic Options** Motorad caps are more expensive than no-name or budget aftermarket alternatives. If you re on a tight budget, cheaper options might seem appealing, though they may not last as long or fit as securely.

3. **Availability and Lead Times** Depending on the retailer, Motorad parts may not always be in stock, requiring online ordering or waiting for shipment. This could delay repairs if you re working on a project with a tight timeline.

4. **Thread Stripping Risk** If the original threads on the fuel tank are damaged or corroded, installing a new cap could strip them further, especially if force is applied. A little patience and lubrication can mitigate this, but it s a risk to consider.

5. **No Notable Upgrades** Unlike some aftermarket parts that offer performance improvements (e.g., airflow enhancements), a fuel cap replacement is purely functional. It won t provide any noticeable power gains or handling benefits.

6. **Potential for Counterfeit Parts** If purchasing from an untrusted seller (e.g., third-party online marketplaces), there s a risk of receiving a counterfeit or low-quality Motorad knockoff. Buying from authorized dealers or reputable retailers minimizes this risk.

7. **Minimal Aesthetic Difference** The cap itself doesn t contribute to the vehicle s appearance, so unless you re restoring the vehicle to showroom condition, the visual impact is negligible.

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The Motorad C622 66-17 fuel tank cap is a **high-quality, reliable replacement** for your 1987 1991 GMC V2500 Suburban, offering superior sealing, durability, and compatibility compared to generic alternatives. While it may not be strictly necessary for casual use, it is a **practical investment** if you prioritize longevity, fuel system integrity, and peace of mind especially if your vehicle is used frequently or stored in harsh conditions.

If budget is a concern, a **high-quality generic OEM replacement** (from brands like ACDelco, Fram, or local auto parts stores) could be a cost-effective alternative, provided it fits correctly and seals well. However, for those restoring or maintaining a classic vehicle, the Motorad cap is a **worthwhile upgrade** due to its reputation for quality and fit.

- You want a **long-lasting, leak-proof seal** to prevent fuel loss and emissions issues.

- You re restoring or maintaining the vehicle to **OEM or near-OEM standards**.

- You value **brand reliability** and don t mind paying a premium for quality.

- Your vehicle is **used regularly or exposed to harsh conditions** (e.g., extreme heat, cold, or outdoor storage).

- You re on a **tight budget** and the vehicle isn t used frequently.

- You ve verified that a **high-quality generic cap** (e.g., from a trusted auto parts store) fits perfectly and seals well.

- You re not concerned about long-term durability and are okay with a slightly lower-end part.

For most owners of older GMCs, the Motorad cap is the **best choice** for ensuring a trouble-free fuel system. Just ensure you purchase it from an **authorized dealer or reputable seller** to avoid counterfeit products.

Details:

MotoRad Fuel Tank Cap for 1987 - 1991 GMC V2500 Suburban 6.2L V8 Gas Delivery dg: Status: In Stock.

specifications fueltanksysteme:

• for models: Suburban
• for makes: Gmc
• for years: 1987-1991
• brand: Motorad
• mpn: 1991
• type: Fuel Tank Cap
• placement on vehicle: Air Fuel Delivery Hardware Fasteners Fittings
• item width: 3.000
• item length: 3.250
• manufacturer warranty: 1 Year
• ipn: C622 66-17
• compatible model: V2500 Suburban
• compatible year: 1991 1990 1989 1988 1987
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Motorad Fuel Tank Cap

seller fueltanksysteme:

• # reviews: 637562
• city: Indianapolis, Indiana
• rating: 99.6%

returns fueltanksysteme:

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

shipping fueltanksysteme:

• transit: 2-6 Days
• cost: $0.00
• class: Standard, Expedited
• type: Fixed
• service: Standard, Expedited

offer fueltanksysteme:

• availability: In Stock
• started: March 26, 2026
• sold: 0
• options: Ship-to-home
• quantity: 10

general fueltanksysteme:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks

payments fueltanksysteme:

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

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