• Fast shipping

  • Free help & advice

  • Hassle-free returns

  • Factory direct prices

Welcome Aboard!

FLASHSALE26

Diesel Only Fuel Cap Stickers – Fits Multiple Vehicles (Replaces OEM Labels)

Regular price $99.99

Worry-free returns

Shop with confidence. If you’re not completely satisfied, eligible items may be returned within the return window, provided they are unused and in original packaging.


If the return is due to our error or a defective item, we’ll make it right.


Please contact us before returning any item.

Delivery and Shipping

Orders are typically processed within 1–2 business days.


U.S. orders usually arrive within 6–15 days, depending on stock location and destination.


International delivery times may vary due to customs processing.


Tracking information will be provided once your order ships.

If you have any questions, feel free to email us at info@seasierra.com, and we’ll get back to you within 20–36 hours.

Product Details

These Diesel Only Fuel Cap Stickers are designed for clearly marking fuel fill points on a wide range of diesel vehicles, boats, and equipment. Their primary purpose is to prevent accidental and costly fuel cross-contamination. Made of high-visibility yellow vinyl, these weatherproof adhesive labels resist damage from fuel spillage, fading, and scratches, ensuring long-term durability.

These stickers serve as universal replacements for faded, damaged, or missing diesel fuel indicators on most equipment.

  • Easy self-adhesive installation on any clean, dry surface.
  • Constructed from weatherproof and waterproof vinyl for marine and automotive environments.
  • Resistant to damage from fuel, UV exposure, and abrasions.

Engine & Model Compatibility

Confirm your engine model/year in the table below.

Brand Model Notes
Universal Cars Applicable to all diesel vehicles
Universal Vans Applicable to all diesel vehicles
Universal Trucks Applicable to all diesel vehicles
Universal Boats Applicable to all diesel vessels
Universal Oil Tanks Applicable to all diesel tanks
Universal Fuel Fillers Applicable to all diesel fuel fillers

Technical Specs

Product Type
Diesel Only Fuel Cap Stickers
Installation
Self-adhesive
Fuel Type
For diesel fuel tanks only
Housing Material
Weatherproof vinyl
Housing Color
Yellow
Dimensions
2.17" × 0.82" (55.1 mm × 20.8 mm)
Other Technical Attributes
Weatherproof, waterproof, resistant to fuel spillage, fading, and scratches

What’s in the Box

  • 8 Pairs x Diesel Only Stickers
  • 16 Pairs x Diesel Only Stickers (larger package option)

Installation Notes

  1. Clean the application surface thoroughly to remove any dirt, grease, or wax. Ensure the area is completely dry before proceeding.
  2. Carefully peel the adhesive sticker from its paper backing.
  3. Align the sticker over the desired position on the fuel cap or filler area, taking care to center it.
  4. Press down firmly from the center and smooth outwards toward the edges to remove any air bubbles and ensure a strong bond.

Troubleshooting & FAQ

Will these stickers fit my vehicle's fuel cap?

These stickers feature a universal design with dimensions of 2.17" × 0.82" (55.1 mm × 20.8 mm). They are intended to fit most standard diesel fuel caps and filler areas on cars, trucks, vans, and boats. Please measure your cap to ensure a proper fit before ordering.

How durable are these stickers against fuel and weather?

They are made from industrial-grade, weatherproof vinyl designed to be highly durable. This material is resistant to diesel spillage, water, UV fading, and scratches, ensuring the label remains clear and legible in harsh marine and automotive environments.

What is the best way to apply the sticker to prevent peeling?

For maximum adhesion, apply the sticker to a clean, dry, and smooth surface. Ensure all dirt, oils, and waxes are removed first. After application, press firmly from the center and work your way to the edges to eliminate any trapped air.

Are these stickers reflective for nighttime visibility?

The stickers are a high-visibility yellow for clear identification during daytime conditions but are not made with retro-reflective materials for nighttime visibility.

Can I remove the sticker without damaging the paint?

The adhesive is strong but can typically be removed by gently heating it with a hairdryer and peeling it off. Any remaining residue can usually be cleaned with an appropriate adhesive remover. It's always best to test in an inconspicuous area first.

What is the difference between OEM and this aftermarket part?

This listing is an aftermarket replacement (not OEM). It is built to OEM-level specifications with comparable materials. All parts are manufactured in an ISO 9002 facility and are batch-inspected for quality and consistency.

What are the shipping speed and cost?

We ship worldwide quickly, with a typical transit time of 5–15 days for most regions. Standard shipping is free, and expedited options will appear at checkout if they are available for your location.

What is the warranty and return policy?

This product is covered by a 1-year warranty against manufacturing defects under normal use. If you encounter any issues, please contact our support team with your order details. Returns are accepted within our standard window, provided the item is unused and in its original condition. See our policy page or reach out for instructions.

Safety & Important Info

  • Verify images and specifications against your original part. If anything differs—even if your model appears compatible—do not purchase.
  • This is an aftermarket replacement part, not an original equipment manufacturer (OEM) component.
  • Professional installation is recommended for safety and optimal performance.

About Sea Sierra

  • Pro-Grade Standards — We supply marine and automotive parts engineered to OEM-level tolerances and rigorously tested for real-world conditions.
  • Fast Global Fulfillment — We offer free standard delivery to most regions, with an average transit time of 5–15 days.
  • Manufacturer-Direct Value — Our direct-from-factory model ensures fair pricing without compromising on materials or quality control.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • JCB
  • Maestro
  • Mastercard
  • PayPal
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.