MOTORAD SX-1TJC Fuel Tank Gas Cap Reliant Storage

( Brand: Motorad ), ( Manufacturer Part Number: SX-1TJC ), ( 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: C691 82-50 ), ( Compatible Model: Reliant ), ( Compatible Year: 1989 1988 1987 1986 1985 1984 1983 1982 1981 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Motorad Fuel Tank Cap )

Review MOTORAD Fuel Tank Cap Plymouth Reliant Gas Delivery Storage Sn fits 1981–1989

The **Motorad SX-1TJC Fuel Tank Cap** is a meticulously crafted, high-performance replacement for the original gas storage cap found on 1981 through 1989 Plymouth Reliant models, ensuring both functionality and aesthetic precision for enthusiasts seeking a seamless blend of form and function. Designed to replicate the exact dimensions and contours of the factory component, this cap features a robust, durable construction that resists corrosion and wear, even under the harshest driving conditions. Crafted from premium-grade materials, including a sturdy metal body and a secure, tamper-resistant locking mechanism, it guarantees a tight seal to prevent fuel vapors from escaping while maintaining optimal pressure within the fuel system. The cap s sleek, matte black finish not only enhances the vehicle s visual appeal but also provides a subtle contrast against the Reliant s distinctive bodywork, ensuring it blends effortlessly into the original design. Beyond its practical benefits, the Motorad SX-1TJC is engineered with precision engineering, ensuring a perfect fit that eliminates any risk of leaks or misalignment. Whether restoring a classic Reliant to its former glory or simply upgrading for improved performance, this fuel tank cap delivers the reliability and authenticity that discerning owners demand. Built to withstand the test of time, it stands as a testament to Motorad s commitment to quality, offering a hassle-free solution for maintaining the integrity of your vehicle s fuel system.

Buying a replacement fuel tank cap for a 1981-1989 Plymouth Reliant (Motorad SX-1TJC) involves weighing several practical and financial considerations. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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1. **Prevents Fuel Evaporation and Contamination:** A properly sealed fuel tank cap reduces fuel evaporation, which can waste gasoline and lead to vapor lock or engine performance issues. It also prevents dirt, moisture, or debris from entering the fuel system, which can clog the fuel filter or injectors.

2. **Compliance with Emissions Standards:** Older vehicles like the Reliant may have been modified or driven in ways that compromise the fuel system s integrity. A new cap ensures the vehicle meets basic emissions requirements, avoiding potential issues during inspections or resale.

3. **Avoids Fuel System Damage:** If the original cap is cracked, warped, or missing, fuel vapors can escape, leading to fuel line corrosion or damage to the fuel pump or injectors over time. Replacing it proactively can save costly repairs down the line.

4. **Improved Fuel Efficiency:** A sealed cap minimizes fuel loss due to evaporation, which can slightly improve mileage, especially noticeable in hot climates or during long storage periods.

5. **Ease of Installation:** Fuel tank caps are relatively simple to replace, requiring minimal tools (usually just a screwdriver or socket set). Many owners can do it themselves in under 30 minutes, reducing labor costs.

6. **Access to Modern Materials:** Newer caps may be made from more durable materials (e.g., high-quality plastic or rubber seals) that resist cracking or warping better than older parts, extending their lifespan.

7. **Peace of Mind:** Knowing the cap is in good condition can reduce anxiety about potential fuel system failures, especially if the vehicle is used frequently or driven in harsh conditions.

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1. **Cost:** While relatively inexpensive (typically $10 $30 for a new cap), the price can add up if multiple components (e.g., fuel lines, seals) need replacement simultaneously. Aftermarket caps may not always match the original fit or quality.

2. **Potential for Counterfeit or Low-Quality Parts:** Purchasing from untrusted sellers (especially online) risks receiving a poorly made or incompatible cap. This could lead to leaks, improper sealing, or premature failure.

3. **Time and Effort:** Replacing the cap requires accessing the fuel tank, which may involve removing the rear seat or floor mats. For some owners, this can be messy or inconvenient, especially if the vehicle is not regularly serviced.

4. **Misdiagnosis of Symptoms:** If the vehicle exhibits symptoms like rough idling or hard starts, the issue might not always be the fuel cap. Replacing it without diagnosing the root cause (e.g., dirty fuel injectors, vacuum leaks) could be a wasted expense.

5. **Limited Lifespan of Some Caps:** Even new caps may degrade over time due to exposure to fuel chemicals, heat, or UV light (if the tank is transparent or poorly shielded). High-quality caps can last decades, but budget options may fail sooner.

6. **Compatibility Issues:** While the Motorad SX-1TJC s fuel tank cap is standard for many late '80s Plymouths, slight variations in thread size or seal type exist between models. A mismatched cap could leak or not fit securely.

7. **Opportunity Cost:** If the vehicle is not frequently driven or is a project car, the priority might be on more critical repairs (e.g., engine, transmission) rather than cosmetic or preventive maintenance like the fuel cap.

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Replacing a fuel tank cap on a 1981 1989 Plymouth Reliant is a straightforward and low-risk maintenance task with clear benefits. The primary advantages preventing fuel loss, avoiding contamination, and ensuring long-term fuel system health outweigh the minor drawbacks, particularly for owners who prioritize reliability and efficiency. The cost is negligible compared to potential fuel system failures, and the process is manageable for most DIYers. However, the decision should be contextual: if the cap is visibly intact and the vehicle shows no signs of fuel-related issues, replacement may not be urgent. For those planning long-term use or restoration, it is a prudent investment.

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Purchase a **high-quality, OEM or aftermarket cap from a reputable supplier** (e.g., RockAuto, eBay with verified sellers, or a local auto parts store). Opt for a cap with a **metal or reinforced plastic body** and a **durable rubber seal** to ensure longevity. If unsure about compatibility, verify the part number (e.g., 589563 or equivalent) matches your Reliant s specifications. Install the cap promptly to avoid leaving the fuel system exposed. While not a high-priority repair, it is a small step toward maintaining the vehicle s performance and reliability. For owners with mechanical experience, this is a quick 10-minute job; otherwise, consult a mechanic for installation.

Details:

MotoRad Fuel Tank Cap for 1981 - 1989 Plymouth Reliant Gas Delivery storage sn: Status: In Stock.

part #: sx1tjc price

• $14.85

specifications fueltanksysteme:

• for makes: Plymouth
• for years: 1981-1989
• brand: Motorad
• mpn: Sx-1tjc
• 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: C691 82-50
• compatible model: Reliant
• compatible year: 1989 1988 1987 1986 1985 1984 1983 1982 1981
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Motorad Fuel Tank Cap

shipping fueltanksysteme:

• service: Standard, Expedited
• transit: 3-7 Days
• cost: $0.00
• type: Fixed
• class: Standard, Expedited

payments fueltanksysteme:

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

offer fueltanksysteme:

• started: March 2, 2026
• sold: 0
• availability: In Stock
• quantity: 10
• options: Ship-to-home

seller fueltanksysteme:

• # reviews: 627940
• city: Indianapolis, Indiana
• rating: 99.5%

general fueltanksysteme:

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

returns fueltanksysteme:

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

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