Chevy & GMC C/K 3/4 Ton Pickup Plastic Fuel Tanks

Upgrade your classic Chevy or GMC 3/4 ton pickup with a modern **rust-proof plastic fuel tank**. Weatherstrip Depot offers premium direct-fit replacement plastic fuel tanks for Chevy & GMC C/K Series 3/4 Ton trucks.

Why Choose Our Plastic Fuel Tanks?

  • 100% Rust & Corrosion Proof – Never rust again
  • Direct Bolt-In Fit – Specifically designed for 3/4 Ton trucks
  • Heavy-Duty Construction – Made from tough cross-linked polyethylene
  • Lighter than original metal tanks – Easier to install
  • Excellent Longevity – Far more reliable than factory metal tanks

Compatible Models:

  • Chevrolet C20 & K20 (1973–1986)
  • Chevrolet C25 & K25
  • GMC C20 & K20 (3/4 Ton)
  • GMC Sierra & Sierra Classic 3/4 Ton (C/K Series)
  • Square Body Trucks (1973–1986) and earlier models

The Chevy and GMC C/K 3/4 Ton pickups were workhorses of their era and remain extremely popular among classic truck enthusiasts. These plastic fuel tanks solve the common and frustrating problem of rusty, leaking, or failing original metal tanks while being significantly lighter and more durable.

Perfect for restorations, daily drivers, farm trucks, and show vehicles. Many customers combine these tanks with our weatherstripping kits for a complete refresh of their classic Chevy or GMC truck.

All tanks are in-stock and ready to ship with fast delivery.

Free shipping on all orders over $135. Quality you can trust.