HomeAir and Fuel Delivery > Fuel StorageSpectra GM37J Fuel Tank
Part #: GM37J

Spectra GM37J Fuel Tank

⚙️ 5 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$329.75Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Gran Sport, Skylark, and Special
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Fuel Tank Replacement for Buick Skylark

The Spectra GM37J fuel tank is designed specifically for Buick Skylark models, providing a direct replacement solution for your vehicle's fuel storage needs. Engineered to meet OEM specifications, this fuel tank ensures proper fitment and reliable performance.

  • Compatible with Buick Skylark models
  • Part number GM37J for precise identification
  • Constructed to meet original equipment standards
  • Durable materials for long-lasting fuel storage
  • Designed for easy installation and secure fit

Product Details and Specifications

The Spectra GM37J fuel tank is manufactured to match the exact dimensions and mounting points of the original fuel tank used in Buick Skylark vehicles. This ensures a seamless replacement without the need for modifications. The tank is built from corrosion-resistant materials to withstand exposure to fuel and environmental elements, maintaining integrity over time. Its design supports proper fuel delivery and storage, contributing to the overall efficiency and safety of the vehicle's fuel system.

Applications and Problem Resolution

This fuel tank is intended for use in Buick Skylark models requiring a replacement due to wear or damage. It addresses several common issues, including:

  • Fuel leaks caused by cracks or corrosion in the original tank
  • Fuel contamination from compromised tank integrity
  • Inaccurate fuel gauge readings due to tank deformation
  • Failed emissions tests related to fuel system leaks
  • Replacement after accident damage affecting the fuel storage system

Installation Notes and Tips

Installation of the Spectra GM37J fuel tank should be performed by a qualified technician familiar with Buick Skylark fuel systems. It is important to ensure all fuel lines and connections are properly secured and checked for leaks after installation. Draining the old tank completely and safely disposing of residual fuel is recommended before removal. Verify that the fuel pump and sending unit are compatible and properly installed to maintain system functionality.

Quality Assurance and Warranty Information

Spectra fuel tanks are manufactured under strict quality control standards to meet or exceed OEM requirements. The GM37J part number is backed by a limited warranty covering defects in materials and workmanship. This warranty provides assurance of the product's durability and reliability when installed according to manufacturer guidelines.

This part fits 5 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
1965BuickSkylarkSedan6.6LV8N/A37-1/4 in. x 30 in. x 6-3/4 in.; Lock Ring Kit Included; w/ Filler Neck; (Tank Only - Does Not Include Fuel Pump); Not For Use w/ Fuel Injection Engines
1965BuickSkylarkSedan4.9LV8N/A37-1/4 in. x 30 in. x 6-3/4 in.; Lock Ring Kit Included; w/ Filler Neck; (Tank Only - Does Not Include Fuel Pump); Not For Use w/ Fuel Injection Engines
1965BuickSkylarkSedan3.7LV6N/A37-1/4 in. x 30 in. x 6-3/4 in.; Lock Ring Kit Included; w/ Filler Neck; (Tank Only - Does Not Include Fuel Pump); Not For Use w/ Fuel Injection Engines
1964BuickSkylarkSedan4.9LV8N/A37-1/4 in. x 30 in. x 6-3/4 in.; Lock Ring Kit Included; w/ Filler Neck; (Tank Only - Does Not Include Fuel Pump); Not For Use w/ Fuel Injection Engines
1964BuickSkylarkSedan3.7LV6N/A37-1/4 in. x 30 in. x 6-3/4 in.; Lock Ring Kit Included; w/ Filler Neck; (Tank Only - Does Not Include Fuel Pump); Not For Use w/ Fuel Injection Engines

* 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:

381445519FT5132IGM37JRGM37JTNKGM37J

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