JAGUAR CBC6027 Xjs Fuel Tank Filler Gas Cap 84-92 5.3L-V12

( Manufacturer Part Number: CBC6027 ), ( Part Type: Fuel Tank Filler Cap ), ( Items Included: Fuel Tank Cap )

Review JAGUAR 84-92 Xjs 5.3l-v12 Fuel Tank Filler gas Cap Genuine

The **Jaguar XJS (1984 1992) CBC6027 5.3L V12 Fuel Tank Filler-Gas Cap** is a meticulously crafted, high-performance component designed to seamlessly integrate with Jaguar s iconic 5.3-liter V12 engine, a powerhouse synonymous with luxury, speed, and timeless British engineering. This original equipment replacement (OER) gas cap is engineered to match the exact specifications of the CBC6027 model series, ensuring a perfect fit for the XJS s distinctive fuel system. Crafted from durable, corrosion-resistant materials, the cap is built to withstand the rigors of daily driving, extreme weather conditions, and the high-performance demands of the V12 s thirsty appetite. Its sleek, aerodynamic design complements the XJS s aggressive yet refined aesthetic, blending seamlessly with the vehicle s iconic grille and bodywork. The cap features a secure, tamper-proof locking mechanism, complete with a robust spring-loaded closure that prevents accidental opening during transit, while its precise sealing ensures optimal fuel vapor containment, reducing emissions and maintaining engine efficiency. Whether restoring a classic XJS to its former glory or upgrading an existing vehicle, this gas cap delivers both functional reliability and a touch of Jaguar s signature elegance. Its compatibility with the 1984 1992 CBC6027 model range including the V12-powered variants makes it an essential part for enthusiasts seeking authenticity and performance in their beloved sports saloon.

**Pros and Cons of Buying a Jaguar XJS (1984-1992) 5.3L V12 Fuel Tank Filler/Gas Cap (Part # CBC6027)**

1. **Authenticity and Restoration Value** The CBC6027 is an original Jaguar XJS fuel filler cap for the 5.3L V12 models (1984-1992). If you re restoring or maintaining a classic Jaguar, using an authentic part ensures historical accuracy and preserves the vehicle s value. Aftermarket replacements may not match the original fit, finish, or aesthetic appeal.

2. **Durability and Longevity** Jaguar s early V12 models were built with robust components, and the fuel filler cap, while not a high-stress part, was designed to withstand the environment. A well-maintained original cap can last decades, especially if it hasn t been exposed to excessive corrosion or damage.

3. **Ease of Installation** The CBC6027 is a straightforward replacement part. It screws directly into the fuel tank filler neck, and the installation process is similar to replacing a modern gas cap no complex wiring, sensors, or electronic components to worry about. This makes it a low-effort upgrade or repair.

4. **Aesthetic Consistency** The XJS is known for its elegant, timeless design. The original fuel filler cap contributes to the car s classic look, especially when paired with matching badging, trim, and interior details. Replacing it with an aftermarket part may disrupt the car s cohesive appearance.

5. **Potential for Resale or Swap** If you re part of a Jaguar restoration community or plan to sell the car later, having original or high-quality replacement parts can make the vehicle more attractive to enthusiasts. Some buyers prioritize authenticity over convenience.

6. **No Electronic Dependencies** Unlike modern fuel caps with fuel level sensors or lock mechanisms, the CBC6027 is a purely mechanical component. This means no risk of electrical failure or compatibility issues with aftermarket fuel pumps or gauges.

---

1. **Age and Wear** If the cap is from a used car, it may show signs of wear, such as corrosion, cracked plastic, or a worn gasket. A rusted or degraded cap can leak fuel or fail to seal properly, leading to vapor loss or contamination inside the fuel tank.

2. **Availability and Condition** Finding a high-quality CBC6027 in good condition can be challenging. Some sellers may offer parts that have been sitting in storage for years, potentially exposing them to moisture or damage. Always inspect for rust, cracks, or warping before purchasing.

3. **Cost Relative to Aftermarket Alternatives** While not extremely expensive, an original Jaguar fuel filler cap may cost more than a generic aftermarket replacement. For example, a new CBC6027 might range from $50 to $150, depending on condition and seller, whereas a universal replacement could be as low as $20. However, the trade-off is authenticity and fit.

4. **Potential for Counterfeit Parts** The classic Jaguar market has seen an increase in counterfeit or poorly made replicas. A cheap CBC6027 might not fit correctly, may not seal properly, or could be made from low-quality materials that degrade quickly. Buying from a reputable seller (e.g., a Jaguar specialist, eBay verified store, or a trusted parts dealer) is crucial.

5. **Maintenance Requirements** Even if the cap is in good shape, it s part of the fuel system, which can accumulate dirt, debris, or fuel residue over time. Regular cleaning and inspection are recommended to prevent clogs or leaks, especially if the car is used occasionally.

6. **Limited Functional Impact** Unlike critical components (e.g., the fuel pump or injectors), the filler cap s failure won t immediately cripple the car. However, a leaking or broken cap can lead to fuel evaporation, reduced fuel efficiency, or even a fire hazard if fuel spills inside the tank.

---

The **Jaguar CBC6027 fuel filler cap (1984-1992 XJS 5.3L V12)** is a worthwhile purchase if you prioritize **authenticity, restoration integrity, and long-term value** for your Jaguar. It s a simple, low-risk part that enhances the car s classic appeal and may be easier to source than other vintage Jaguar components. However, if cost is a major concern or you re not deeply invested in preserving the car s originality, an aftermarket replacement could suffice without sacrificing functionality.

- You re restoring or maintaining a Jaguar XJS and want to use original or high-quality replacement parts.

- You re willing to pay a slightly higher price for authenticity and peace of mind.

- You ve inspected the part thoroughly for rust, cracks, or damage before purchasing.

- You re buying from a trusted seller (e.g., a Jaguar specialist, eBay verified store, or a parts auction with return policies).

- You re on a tight budget and the car isn t a high-value restoration project.

- You can t find a CBC6027 in good condition, and aftermarket options fit well and are well-reviewed.

- You re more concerned with functionality than aesthetics (though this may reduce resale appeal).

**Final Note:** Always test the cap s functionality after installation ensure it seals properly and doesn t leak. If restoring, pair it with other original or high-quality Jaguar parts to maximize the car s authenticity and enjoyment.

Details:

This fuel tank cap comes directly from Jaguar, guaranteeing a perfect fit and reliable performance for your vehicle. It is a crucial component for maintaining proper fuel tank sealing and security. The product is a genuine Jaguar fuel tank filler cap designed for the 5.3L-V12 engine in XJS model's from 1984 to 1992. The manufacturer part number CBC6027 ensures compatibility and quality assurance.

part #: cbc6027 prices

• $18.94-$47.38

specifications fueltanksysteme:

• for makes: Jaguar
• mpn: Cbc6027
• part type: Fuel Tank Filler Cap
• items included: Fuel Tank Cap

offer fueltanksysteme:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: March 14, 2026
• quantity: 1

shipping fueltanksysteme:

• class: Standard
• transit: 4-9 Days
• carrier: USPS
• cost: $0.00
• type: Calculated
• service: USPS Ground Advantage

payments fueltanksysteme:

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

returns fueltanksysteme:

• policy: No Returns

seller fueltanksysteme:

• city: West Babylon, New York
• # reviews: 1992
• rating: 100.0%

general fueltanksysteme:

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

Jaguar CBC6027 Is Similar To:

• 150404b Jaguar Oem Gas Cap Nipple (36.4% similar) Part: NNG5942BA prices...(April 14th, 2018)
• 02-08 Jaguar X-type Gas Door Filler Assembly Sand Color Oem 1x43-405a26-au (32.9% similar) ...(November 16th, 2016)
• 2008 2009 Jaguar Xj Fuel (31.1% similar) 8PORSCHE 987 boaster Porsche 968 club sport 928 GTS 911 turbos 7 Porsche 911 Cabrera 944 Tabasco 928 s4 turbo specializing in European makes such as: Volvo, Maserati, fiat, jaguar, mini cooper Porsche for well over 15 years. By joining us in the process you can save on used and tested oem parts. ...(August 31st, 2017)
• Bec24035 Jaguar 89-96 Convertible Xjs (27.2% similar) There is no key and unlocked. Removed from a running 1994 jaguar convertible xjs 72K miles. No rust or dents. Fits convertibles only. Cap seals and latches nice...(September 14th, 2017)
• C2d33851 Jaguar Oem Diesel Fuel Cap For Fpace Xe Xf (37.6% similar) Genuine oem jaguar diesel fuel cap this part fits f-pace, Xe and XFI model's. This is for diesel fuel cars, not flex or petrol cars...(June 9th, 2018)
• C2s32370 Jaguar New Harness Fuel (28.6% similar) ...(October 15th, 2017)
• C2s40440 Jaguar New Genuine Fuel Sender Sensor Gas Tank Sending Unit (23.9% similar) Made in Hungary. Part number: C2S: this is a new genuine fuel tank sender sensor sending unit for the jaguar x-type cars. Liter engine cars. 5 liter and...(November 29th, 2018)
• C44144 Jaguar Xjs Fuel Tank Vapor Separator Clamps Used Oem (41.6% similar) High efficiency oem new old stock please view my other listings. Fuel tank vapor separator with lines and clamps oem - used very good condition C44144...(April 14th, 2018)
• Cac7912 Jaguar Xjs Engine Fuel Cooloer (38.5% similar) Up for sale is 1 good used engine fuel cooler all jaguar xjs V12 model's CAC7912...(March 4th, 2018)
• Dac 11188 Wd Express Eurospare Fuel Tank Sending Unit Fits Jaguar (33.6% similar) Our wide selection of brand name automobile parts and expert associates are always with you through thick thin to expand your growth for all automotive projects. Patriot sells domestic imported automotive aftermarket parts for all years, makes, model's and engine sizes...(October 20th, 2018)
• Dbc 12042 Wd Express Eurospare Fuel Tank Sending Unit Fits Jaguar (30.5% similar) Euro spare fuel tank sending unit fits jaguar van den PLAS,XJ6 Jr XJ12PRICE is for 1 - adjust qty as needed...(July 7th, 2018)