MOTORAD SX-84JW Fuel Tank Gas Cap Storage Air Qv

( Brand: Motorad ), ( Manufacturer Part Number: SX-84JW ), ( 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: C641 71-33 ), ( Compatible Year: 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Motorad Fuel Tank Cap )

Review MOTORAD Fuel Tank Cap Dodge Gas Delivery Storage Air Qv fits MAGNUM 1978–1988

The **Motorad SX-84JW Fuel Tank Cap** is a meticulously crafted, high-performance replacement part designed specifically for the 1978 through 1988 Dodge Magnum, ensuring both functionality and style for enthusiasts seeking to restore or upgrade their vehicle s fuel system. Engineered to meet the exacting standards of classic American muscle cars, this cap is constructed from durable, corrosion-resistant materials, including a robust metal body and a precision-molded rubber gasket that guarantees a tight, leak-proof seal. The design features a sleek, aerodynamic profile that not only enhances the vehicle s aesthetic appeal but also optimizes airflow to the fuel tank, reducing vapor lock and improving overall engine performance. The cap is equipped with a secure, easy-to-operate locking mechanism, ensuring that the fuel system remains sealed during transit and daily use, while the integrated air vent allows for proper pressure regulation within the tank. Ideal for both restoration projects and routine maintenance, this cap is fully compatible with the Magnum s fuel storage system, including the Air QV (Air Quality Ventilation) setup, which helps maintain optimal fuel vapor management. Whether restoring a vintage Magnum to its original glory or simply upgrading a well-loved classic, the Motorad SX-84JW Fuel Tank Cap delivers the perfect blend of reliability, performance, and timeless design.

**Pros and Cons of Buying a Motorad SX-84JW Fuel Tank Cap for a 1978 1988 Dodge Magnum (Gas Storage Air QV)**

1. **Compatibility and Fit:** The Motorad SX-84JW is specifically designed for the 1978 1988 Dodge Magnum, ensuring an accurate fit without modifications. This reduces the risk of leaks or improper sealing, which can be a common issue with aftermarket parts that don t align perfectly.

2. **Enhanced Fuel Security:** The cap features an air valve (QV Quick Valve) system, which helps prevent fuel theft by allowing air to enter the tank when the vehicle is refueled, maintaining pressure and making it harder for thieves to siphon gas. This is particularly useful for older vehicles that may not have original anti-theft features.

3. **Durability and Quality:** Motorad is a well-regarded brand in the aftermarket automotive parts industry, known for producing durable, high-quality components. The SX-84JW is likely made from sturdy materials that can withstand the elements and regular use, reducing the likelihood of premature wear or failure.

4. **Easy Installation:** The part is designed for straightforward installation, often requiring minimal tools and effort. This makes it a practical choice for DIYers or those who prefer not to visit a mechanic for simple upgrades.

5. **Prevents Fuel Evaporation:** The air valve system helps minimize fuel evaporation by allowing air to enter the tank during refueling, which is especially beneficial in hot climates or during long periods of vehicle inactivity.

6. **Maintenance of Original Aesthetics:** The cap is designed to match the appearance of the original Dodge Magnum fuel tank cap, ensuring the vehicle retains its classic look without the need for custom modifications.

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1. **Cost:** Aftermarket parts, even from reputable brands like Motorad, can be more expensive than original equipment manufacturer (OEM) replacements. While the SX-84JW offers added functionality, it may not be the most budget-friendly option if the original cap is still functional.

2. **Potential for Counterfeit Parts:** Purchasing from unauthorized sellers or untrusted online marketplaces could result in receiving a counterfeit or low-quality replica. Always buy from verified dealers or Motorad-authorized retailers to avoid this risk.

3. **Limited Availability:** Depending on the region, the SX-84JW may not be as widely stocked as generic fuel tank caps. This could require additional research or ordering from specialty suppliers, potentially increasing lead times.

4. **Mixed Reviews on Longevity:** While Motorad parts are generally reliable, some users report that certain aftermarket fuel tank caps even from reputable brands may develop issues over time, such as sticking or leaking seals. Regular maintenance and inspection are recommended.

5. **Compatibility with Modifications:** If the vehicle has been modified (e.g., aftermarket fuel systems, custom tanks, or performance upgrades), the SX-84JW may not fully integrate with those changes. Always verify compatibility with any additional components.

6. **Learning Curve for Air Valve System:** The QV system, while beneficial, may require the owner to become familiar with how it functions to avoid confusion during refueling. For example, some users might accidentally damage the valve if they force the cap shut without understanding its mechanism.

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The Motorad SX-84JW fuel tank cap is a strong choice for owners of 1978 1988 Dodge Magnums who prioritize fuel security, durability, and ease of installation. Its air valve system provides tangible benefits in preventing fuel theft and evaporation, making it a practical upgrade for vehicles in high-theft areas or those stored for extended periods. The brand s reputation for quality and the part s compatibility with the Magnum s design further strengthen its appeal.

However, the higher cost and potential for counterfeit parts are notable drawbacks. If the original cap is still in good condition and the vehicle is not at risk of fuel theft or evaporation, the expense may not be justified. Additionally, users should ensure they purchase from a trusted source to avoid subpar replacements.

For those who value the added security and functionality of the QV system and are willing to invest in a reliable aftermarket part, the Motorad SX-84JW is a recommended upgrade. For budget-conscious buyers or those with no immediate concerns about fuel security, weighing the pros and cons against the original cap s condition is advisable.

If you are replacing a damaged, missing, or outdated fuel tank cap on your 1978 1988 Dodge Magnum and want to enhance fuel security and longevity, the Motorad SX-84JW is a solid and well-supported choice. Purchase it from an authorized dealer or a reputable online retailer to ensure authenticity and quality. If the original cap is functional and the vehicle is not at risk of theft or evaporation, the upgrade may not be necessary. Always inspect the part upon arrival and follow installation guidelines carefully to maximize its effectiveness.

Details:

MotoRad Fuel Tank Cap for 1978 1988 Dodge Magnum Gas Delivery storage Air qv: Status: In Stock.

part #: sx84jw price

• $13.48

specifications fueltanksysteme:

• for models: Magnum
• for makes: Dodge
• for years: 1978-1988
• brand: Motorad
• mpn: Sx-84jw
• 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: C641 71-33
• compatible year: 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Motorad Fuel Tank Cap

returns fueltanksysteme:

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

seller fueltanksysteme:

• city: Indianapolis, Indiana
• rating: 99.6%
• # reviews: 646939

payments fueltanksysteme:

• other
• credit card: Visa
• wallet: Google-pay

offer fueltanksysteme:

• options: Ship-to-home
• started: April 18, 2026
• availability: In Stock
• sold: 0
• quantity: 10

general fueltanksysteme:

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

shipping fueltanksysteme:

• service: Standard, Expedited
• type: Fixed
• transit: 3-6 Days
• cost: $0.00
• class: Standard, Expedited

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