Shipping & Delivery
FastCap is a direct-fit replacement fuel cap with a no-twist quarter-turn locking system. It replaces your factory OEM cap, providing a faster, cleaner, vapor-tight seal — and it's available in limited-edition colorways and design drops every quarter.
The housing is 20% glass fiber reinforced ABS polymer — the same material class used in high-end automotive aftermarket trim. The seal is a nitrile rubber O-ring rated for fuel vapor exposure across thermal cycles from -40°F to 230°F.
Yes. FastCap is available in 12 standard colorways year-round, plus limited-edition graphic drops every quarter — specific colorways and patterns produced in fixed quantities. Once a drop sells out, it's not restocked.
Fitment
Use the Vehicle Fit Guide — select your year, make, and model for an instant compatibility result. We support 16+ truck brands and hundreds of specific model-year combinations, updated every quarter.
Contact us with your year, make, and model. Our fitment team tests compatibility and updates the database within 72 hours. We do not recommend purchasing without a confirmed fitment — if it doesn't fit a listed vehicle, we cover the return.
Yes — FastCap is fuel-agnostic. It works identically on gasoline, diesel, and flex-fuel vehicles. The nitrile seal is compatible with all standard automotive fuel types.
Installation
Remove your existing cap by turning counter-clockwise. Place FastCap over the fuel neck with the arrow at 12 o'clock. Press down gently and rotate clockwise 90° until you hear a click. Done — no tools required, under 60 seconds.
First confirm your vehicle is in our compatibility list. If it is, ensure the cap is fully seated before rotating — the guide should drop the cap flush with the fuel neck. If it still doesn't click, contact support. We troubleshoot or replace same day.
Press and rotate counter-clockwise 90°. Same motion as closing, just reversed. One press and quarter-turn to open, same to close — every single time.
Warranty & Returns
Yes. FastCap includes a limited manufacturer’s warranty covering defects in materials or workmanship for 1 year from the date of purchase.
Yes. Returns are accepted within 30 days of purchase. The product must be in like-new condition, and return shipping may apply.
Contact customer support with your order number and a description of the issue. They will guide you through the replacement or refund process.
Care & Maintenance
Simply wipe it with a damp cloth. Avoid harsh chemicals or abrasive cleaners to prevent damage to the finish or O-ring.
Inspect FastCap periodically for dirt or debris buildup, and ensure the O-ring remains intact for proper sealing.
Yes. FastCap is rated for thermal cycles from -40°F to 230°F, making it suitable for most environments and weather conditions.