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Part #: GM308A

Spectra GM308A Fuel Tank

⚙️ 113 vehicles fit this part
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick and Oldsmobile, Century, Cutlass, Cutlass Calais, Cutlass Salon, Cutlass Supreme, and Regal
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Reliable Fuel Tank Replacement for Buick and Oldsmobile Models

The Spectra GM308A fuel tank is designed to provide a dependable fuel storage solution for select Buick and Oldsmobile vehicles. Engineered to meet OEM specifications, this fuel tank ensures proper fitment and function for models including the Century, Cutlass, Cutlass Calais, Cutlass Salon, Cutlass Supreme, and Regal.

  • Compatible with Buick Century, Cutlass, Cutlass Calais, Cutlass Salon, Cutlass Supreme, and Oldsmobile Regal
  • Meets or exceeds original equipment standards for fuel storage
  • Durable construction designed for long-term use
  • Direct replacement part number GM308A for accurate fit
  • Manufactured by Spectra, a trusted name in fuel system components

Product Details and Specifications

The Spectra GM308A fuel tank is crafted to provide a precise fit for various Buick and Oldsmobile models from the late 20th century. This fuel tank is part of Spectra's line of fuel storage components, designed to maintain fuel integrity and vehicle safety. Its construction supports proper fuel delivery and storage, helping to prevent leaks and contamination. The GM308A part number ensures compatibility with the specified vehicle models, making it a reliable choice for fuel system repairs or replacements.

Applications and Common Issues Addressed

  • Replacement for damaged or rusted fuel tanks on Buick Century and Cutlass models
  • Solution for fuel leaks caused by corrosion or impact damage
  • Restores proper fuel storage capacity for Oldsmobile Regal vehicles
  • Addresses fuel contamination issues due to compromised tank integrity
  • Supports fuel system maintenance and restoration projects

Installation Notes and Tips

When installing the Spectra GM308A fuel tank, ensure the vehicle is safely supported and the fuel system is depressurized. Verify compatibility with the specific Buick or Oldsmobile model before installation. It is recommended to inspect fuel lines, sending units, and mounting hardware during replacement to ensure a complete and secure installation. Proper sealing and torque specifications should be followed to prevent leaks.

Quality Assurance and Warranty Information

Manufactured by Spectra, the GM308A fuel tank undergoes quality control to meet industry standards for fuel storage components. While specific warranty details are not provided, Spectra products typically adhere to rigorous manufacturing standards to ensure durability and performance. For warranty information, refer to the product documentation or contact the manufacturer directly.

This part fits 113 vehicles. Search below:

YearMakeModelBody Type# DoorsLitersCylindersFuel TypePositionNotes
1987OldsmobileCutlass Supreme4 Door5.0LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1987OldsmobileCutlass Supreme4 Door3.8LV6N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1986OldsmobileCutlass Supreme4 Door5.0LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1986OldsmobileCutlass Supreme4 Door3.8LV6N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1985OldsmobileCutlass Supreme4 Door5.0LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1985OldsmobileCutlass Supreme4 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1984BuickRegal4 Door4.1LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1984BuickRegal4 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1984OldsmobileCutlass Supreme4 Door5.0LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1984OldsmobileCutlass Supreme4 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1983BuickRegalSedan4 Door4.1LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1983BuickRegalSedan4 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1983OldsmobileCutlass Supreme4 Door5.0LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1983OldsmobileCutlass Supreme4 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1982BuickRegalSedan4 Door4.4LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1982BuickRegalSedan4 Door4.1LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1982BuickRegalSedan4 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1982OldsmobileCutlass Supreme4 Door5.0LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1982OldsmobileCutlass Supreme4 Door4.4LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1982OldsmobileCutlass Supreme4 Door4.3LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1982OldsmobileCutlass Supreme4 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1981BuickCenturySedan4.4LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1981BuickCenturySedan4.3LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1981BuickCenturyCoupe4.3LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1981BuickCenturySedan3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1981BuickCenturyCoupe3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1981OldsmobileCutlass4 Door4.4LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1981OldsmobileCutlass4 Door4.3LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1981OldsmobileCutlass4 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1981OldsmobileCutlass Supreme4 Door4.3LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1981OldsmobileCutlass Supreme4 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980BuickCenturySedan5.0LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980BuickCenturyCoupe5.0LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980BuickCenturySedan4.9LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980BuickCenturyCoupe4.9LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980BuickCenturySedan4.3LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980BuickCenturyCoupe4.3LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980BuickCenturySedan3.8LV6N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980BuickCenturyCoupe3.8LV6N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980OldsmobileCutlass4 Door5.7LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980OldsmobileCutlass2 Door5.7LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1980OldsmobileCutlass4 Door5.0LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980OldsmobileCutlass2 Door5.0LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1980OldsmobileCutlass4 Door4.3LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980OldsmobileCutlass2 Door4.3LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1980OldsmobileCutlass4 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980OldsmobileCutlass2 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1980OldsmobileCutlass Calais2 Door5.7LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Includes Fastback; w/ Filler Neck
1980OldsmobileCutlass Calais2 Door5.0LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Includes Fastback; w/ Filler Neck
1980OldsmobileCutlass Calais2 Door4.3LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Includes Fastback; w/ Filler Neck
1980OldsmobileCutlass Calais2 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Includes Fastback; w/ Filler Neck
1980OldsmobileCutlass Salon4 Door5.0LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980OldsmobileCutlass Salon2 Door5.0LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1980OldsmobileCutlass Salon4 Door4.3LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980OldsmobileCutlass Salon2 Door4.3LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1980OldsmobileCutlass Salon4 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980OldsmobileCutlass Salon2 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1980OldsmobileCutlass Supreme4 Door5.7LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980OldsmobileCutlass Supreme2 Door5.7LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1980OldsmobileCutlass Supreme4 Door5.0LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980OldsmobileCutlass Supreme2 Door5.0LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1980OldsmobileCutlass Supreme4 Door4.3LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980OldsmobileCutlass Supreme2 Door4.3LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1980OldsmobileCutlass Supreme4 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1980OldsmobileCutlass Supreme2 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1979BuickCenturySedan5.7LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979BuickCenturyCoupe5.7LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979BuickCenturySedan5.0LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979BuickCenturyCoupe5.0LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979BuickCenturySedan4.9LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979BuickCenturyCoupe4.9LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979BuickCenturySedan3.8LV6N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979BuickCenturyCoupe3.8LV6N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979BuickCenturySedan3.2LV6N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979BuickCenturyCoupe3.2LV6N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979OldsmobileCutlass5.7LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979OldsmobileCutlass5.0LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979OldsmobileCutlass4.3LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979OldsmobileCutlass3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979OldsmobileCutlass CalaisCoupe5.7LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1979OldsmobileCutlass CalaisCoupe5.0LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1979OldsmobileCutlass CalaisCoupe4.3LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1979OldsmobileCutlass CalaisCoupe3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1979OldsmobileCutlass Salon4 Door5.7LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979OldsmobileCutlass Salon2 Door5.7LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1979OldsmobileCutlass Salon4 Door5.0LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979OldsmobileCutlass Salon2 Door5.0LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1979OldsmobileCutlass Salon4 Door4.3LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979OldsmobileCutlass Salon2 Door4.3LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1979OldsmobileCutlass Salon4 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1979OldsmobileCutlass Salon2 Door3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1979OldsmobileCutlass SupremeCoupe5.7LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1979OldsmobileCutlass SupremeCoupe5.0LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1979OldsmobileCutlass SupremeCoupe4.3LV8GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1979OldsmobileCutlass SupremeCoupe3.8LV6GASN/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1978BuickCenturySedan5.7LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1978BuickCenturyCoupe5.7LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1978BuickCenturySedan5.0LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1978BuickCenturyCoupe5.0LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1978BuickCenturySedan3.8LV6N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1978BuickCenturyCoupe3.8LV6N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1978BuickCenturySedan3.2LV6N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1978BuickCenturyCoupe3.2LV6N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; w/ Filler Neck
1978OldsmobileCutlass Calais5.0LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1978OldsmobileCutlass Calais4.3LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1978OldsmobileCutlass Calais3.8LV6N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1978OldsmobileCutlass SalonCoupe5.0LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1978OldsmobileCutlass SalonCoupe4.3LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1978OldsmobileCutlass SalonCoupe3.8LV6N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1978OldsmobileCutlass Supreme5.7LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1978OldsmobileCutlass Supreme5.0LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1978OldsmobileCutlass Supreme4.3LV8N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck
1978OldsmobileCutlass Supreme3.8LV6N/A36-1/4 in. x 24-1/4 in. x 8-7/8 in.; Lock Ring Kit Included; Fastback; w/ Filler Neck

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

12091970120922505822576355FLGM308AFT584IGM308ARGM308ATNKGM308A

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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