Spectra JA1B Fuel Tank

Spectra JA1B Fuel Tank for Jaguar XJ6 and XJ12

The Spectra JA1B fuel tank is an OE-style replacement for select Jaguar XJ6 and XJ12 applications. It is built with manufacturing controls aimed at matching original equipment performance and fitment for the listed vehicles.

Key Features

• Fuel tank replacement for select Jaguar XJ6 and XJ12 models
• OE-style fitment for driver side mount applications
• For vehicles with an external fuel pump
• Lock ring kit included
• Measures 33 in. x 23 in. x 8 in.
• Part number JA1B for easy identification

Detailed Description

Designed for classic Jaguar fuel system service, this Spectra fuel tank supports direct replacement needs on 1973-1987 Jaguar XJ6 and XJ12 vehicles listed in the fitment data. The JA1B follows original equipment dimensions and application details, including driver side mounting and use with an external fuel pump. If you are replacing a leaking, rusted, or damaged tank on a Jaguar XJ6 or Jaguar XJ12, JA1B provides a straightforward match for the specified chassis and year ranges.

This part cross-references NGK 58936 for the same application.

What It Helps Fix

• Fuel leaks caused by corrosion or tank damage
• Fuel odor from a compromised tank shell or seams
• Poor fuel delivery related to a failing tank assembly
• Replacement needs after impact or underbody damage
• Service issues on Jaguar XJ6 and XJ12 fuel storage systems

Installation Notes and Tips

Verify the vehicle year, model, and fuel system layout before installation. This JA1B fuel tank is specified for driver side mount applications and vehicles with an external fuel pump. Confirm the tank dimensions and use the lock ring kit as required during service. For best results, inspect related fuel lines, seals, and pump components while the tank is removed.

Quality Assurance

Spectra Premium fuel tanks are manufactured with engineering and quality control processes intended to meet or exceed original equipment performance for the applications they replace.

Compatible Vehicles

• Fits 1981-1987 Jaguar XJ12, N/A, 33 in. x 23 in. x 8 in.; Lock Ring Kit Included; For Use On Vehicles w/ External Fuel Pump; Driver Side Mount
• Fits 1973-1979 Jaguar XJ12, N/A, 33 in. x 23 in. x 8 in.; Lock Ring Kit Included; For Use On Vehicles w/ External Fuel Pump; Driver Side Mount
• Fits 1975-1987 Jaguar XJ6, N/A, 33 in. x 23 in. x 8 in.; Lock Ring Kit Included; For Use On Vehicles w/ External Fuel Pump; Driver Side Mount
• Fits 1974 Jaguar XJ6, N/A, 33 in. x 23 in. x 8 in.; Lock Ring Kit Included; From VIN 2T69451 For Use On Vehicles w/ External Fuel Pump; Driver Side Mount
• Fits 1973 Jaguar XJ6, N/A, 33 in. x 23 in. x 8 in.; Lock Ring Kit Included; Late Serie Vehicles From VIN 2T69451 For Use On Vehicles w/ External Fuel Pump; Driver Side Mount