MOTORAD SX-9ZQ5 Fuel Tank Gas Cap Qr P20 4.8L 5.7L 6.2L V8

( Brand: Motorad ), ( Manufacturer Part Number: SX-9ZQ5 ), ( 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: C344 16-15 ), ( Compatible Model: P20 ), ( Compatible Year: 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Motorad Fuel Tank Cap )

Review MOTORAD Fuel Tank Cap Chevrolet P20 4.8l 5.7l 6.2l L6 V8 Gas Qr fits 1979–1989

The **Motorad SX-9ZQ5 Fuel Tank Cap** is a meticulously crafted, high-performance replacement part designed specifically for the iconic **1979 1989 Chevrolet P20 series** vehicles, including the **4.8L, 5.7L, and 6.2L L6 and V8 gasoline-powered engines** under the **QR (Quadra-Range) fuel system** designation. Engineered to meet or exceed OEM specifications, this fuel tank cap is built with precision machining and premium materials to ensure a secure, leak-proof seal while maintaining the original aesthetic and functionality of your classic Chevrolet. The cap features a **durable, corrosion-resistant metal body** reinforced with a **high-quality rubber gasket**, preventing fuel vapors from escaping and ensuring a tight, vibration-resistant fit critical for maintaining proper fuel system pressure and preventing evaporation. Its **threaded design** is optimized for the P20 s fuel tank, providing a snug, interference-free connection that resists loosening over time, even under the rigors of daily driving or spirited performance use. Whether you re restoring a vintage muscle car, upgrading an older vehicle for reliability, or simply replacing a worn-out original part, this Motorad cap delivers the perfect blend of **durability, performance, and authenticity**, ensuring your fuel system operates efficiently while preserving the classic look of your Chevrolet. Built to last, it s an essential component for any enthusiast seeking both **functionality and heritage** in their restoration or modification project.

### Pros and Cons of Buying a Motorad SX-9ZQ5 Fuel Tank Cap for a 1979 1989 Chevrolet P20 (4.8L 6.2L V8)

1. **OEM Replacement Quality** The Motorad SX-9ZQ5 is designed as a direct replacement for the original Chevrolet fuel tank cap, ensuring a proper fit and function without modifications. This reduces the risk of leaks or improper sealing compared to aftermarket alternatives that may not match the exact specifications.

2. **Durability and Reliability** Motorad products are known for their robust construction, often using high-quality materials like brass or stainless steel components. This cap is likely built to withstand the rigors of daily use, including vibrations, temperature fluctuations, and potential exposure to fuel vapors.

3. **Compatibility with Emissions Systems** Older Chevrolets (especially those from the late 1970s to early 1980s) had evolving emissions regulations. A genuine or high-quality replacement cap ensures the fuel tank s pressure control system (e.g., EVAP system components) functions correctly, preventing potential check engine lights or emissions failures.

4. **Easy Installation** Since it s a direct-fit part, installation is straightforward and typically requires no additional tools beyond a basic socket set. This makes it a convenient upgrade for DIYers or mechanics.

5. **Prevents Fuel Loss and Contamination** A properly sealed fuel cap prevents fuel evaporation, reduces the risk of fuel spills, and keeps debris (like dirt or insects) out of the fuel tank, which can clog fuel lines or damage the fuel pump.

6. **Aesthetic Consistency** If you re restoring or maintaining the original look of your vehicle, this cap will match the factory appearance, avoiding the mismatch that can occur with non-OEM parts.

7. **Warranty and Support** Motorad offers warranties and customer support, which can be reassuring if the part fails prematurely or if installation issues arise.

---

1. **Cost** While not excessively expensive, a genuine or high-quality replacement cap may be more costly than a generic aftermarket alternative. For budget-conscious buyers, this could be a drawback, though the long-term benefits may justify the expense.

2. **Limited Availability** Depending on the region or supplier, finding the exact Motorad SX-9ZQ5 cap may require ordering online, which could involve shipping delays or additional fees.

3. **Potential for Counterfeit Parts** As with any aftermarket or OEM replacement part, there is a risk of purchasing a counterfeit or low-quality imitation, especially if buying from untrusted sellers. Always verify the seller s reputation and product authenticity.

4. **Overkill for Minor Use** If your vehicle is rarely driven or stored in a climate-controlled environment, the benefits of a high-quality cap may be less critical. In such cases, a basic replacement cap might suffice.

5. **Compatibility with Modified Tanks** If you ve modified your fuel tank (e.g., added a secondary tank or altered the venting system), the SX-9ZQ5 may not be fully compatible. Always check with the manufacturer or a mechanic before purchasing.

6. **Styling Preferences** Some enthusiasts prefer aftermarket caps for aesthetic reasons (e.g., custom colors, unique designs, or performance-oriented features like quick-release mechanisms). The Motorad cap is functional but not stylistically distinctive.

---

The **Motorad SX-9ZQ5 fuel tank cap** is an excellent choice for owners of a 1979 1989 Chevrolet P20 with a 4.8L 6.2L V8 engine who prioritize **reliability, emissions compliance, and OEM accuracy**. Its direct-fit design, durability, and compatibility with the vehicle s original systems make it a practical investment, especially for those who value long-term performance and preventative maintenance.

- **Buy it if:** You want a high-quality, long-lasting replacement that ensures proper fuel tank sealing, emissions system integrity, and a hassle-free installation. It s ideal for daily drivers, restored vehicles, or those who want to avoid potential issues like fuel leaks or EVAP system failures.

- **Consider alternatives if:** You re on a tight budget and can find a reputable aftermarket cap that meets your needs, or if you ve modified your fuel system in a way that requires a non-standard cap.

- **Verify authenticity:** Purchase from authorized dealers or trusted online retailers (e.g., RockAuto, eBay verified sellers, or Motorad s official website) to avoid counterfeit parts.

For most owners, the **Motorad SX-9ZQ5 is the best balance of quality, compatibility, and peace of mind**, making it the recommended choice for this application.

Details:

MotoRad Fuel Tank Cap for 1979 1989 Chevrolet P20 4.8L 5.7L 6.2L L6 V8 Gas qr: Status: In Stock.

part #: sx9zq5 price

• $13.76

specifications fueltanksysteme:

• for makes: Chevrolet
• for years: 1979-1989
• brand: Motorad
• mpn: Sx-9zq5
• 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: C344 16-15
• compatible model: P20
• compatible year: 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979
• 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

payments fueltanksysteme:

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

offer fueltanksysteme:

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

shipping fueltanksysteme:

• cost: $0.00
• type: Fixed
• service: Standard, Expedited
• transit: 3-5 Days
• class: Standard, Expedited

seller fueltanksysteme:

• city: Indianapolis, Indiana
• # reviews: 658088
• rating: 99.6%

general fueltanksysteme:

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

Motorad SX-9ZQ5 Is Similar To:

• 2003-11 Motorad Heavy Duty Fuel Cap Nonlocking Un Thread 055644804125 (29.9% similar) Motorad part number our choice. Once purchased you own it. Or any other minor issue that does not make the part you are buying defective. Sometimes the fitment is so old that it does not take into account trim, engine size or build dates. Shipping:free shipping is for continental USA only. If any ...(November 3rd, 2018)
• 2504-11 Motorad Heavy Duty Fuel Cap With Lock (32.3% similar) Motorad heavy duty fuel cap with lock. This is new in open box...(April 4th, 2018)
• Mgc-793sk Motorad Dual Locking Fuel Cap Tanks Air Intake 055644107936 (28.6% similar) Motorad MGC-793SK dual locking fuel cap protects your from theft and vandalism passes all state federal emissions tests manufactured durable, long-life materials reduces air pollution with proper sealing venting independently tested for emission control deters vandalism. Specifically designed ...(June 16th, 2018)
• Mgc-807 Cst Motorad Mgc807 Fuel 055644008073 (27.9% similar) CST Motorad MGC807 fuel tank cap thumbnails to caps are designed and manufactured prevent loss, primarily through evaporation. Please through the messaging system by ing button above. Combining a inventory and showrooms full of parts provides us the advantage shipping products quickly efficiently. A...(January 23rd, 2018)
• Mgc-811 Cst Motorad Mgc811 Fuel 055644008110 (27.9% similar) Our product offering includes every conceivable trailer, tire, towing device, truck accessory, suspension, exhaust, lighting, and performance part. A faulty or leaky fuel cap emit up-to 30 gallons of per year in to the atmosphere. All of Motorad fuel caps meet federal MVSS301 and I m 240 ...(February 22nd, 2018)
• Mgc 832 Wd Express Motorad Fuel Tank Cap Fits Jaguar Vanden (37.5% similar) ...(October 27th, 2018)
• Mgc-837 Motorad Fuel Tank Cap Upc 055644008370 (41.2% similar) CHRYSLER1999-2017DODGE1999-2017FIAT2012--2017INFINI 002-2011JEEP2000-2017KIA2005-2017MAZDA2003-2015MERCEDES-BENZ2006-2017MITSUBISHI2001-2017NISSAN2000-2013PLYMOUTH1999-2001RAM2011-2017SUBARU2005-2017SUZUKI2009-2011VOLKSWAGEN2009-2014...(January 18th, 2019)
• Mgc46 Motorad Fuel Gas Tank Filler Cap Replace Oem (38.5% similar) Motorad MGC-46STANDARD fuel cap tank verify fitment before purchase...(April 18th, 2018)
• Mgc48 Motorad Pronto Fuel Tank Fits Pickup Suburban (35.3% similar) No other accessories included. See photos above. Fast shipping. Receive only what is pictured listed. Comes as shown...(February 17th, 2019)
• Mgc519 Motorad Push Vent Fuel Tank Cap Fits Volvo 055644115191 (36.7% similar) Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. and we urge you to take a look if cannot find what are looking for at egghead. Orders ship from 12 major metropolitan markets in the us. A ...(June 5th, 2019)
• Mgc637t Motorad Fuel Cap (29.4% similar) ...(January 1st, 2019)