Diesel Decals

A diesel badge on the tailgate tells people what is under the hood before you say a word. This collection covers diesel-themed decals for full-size pickups, work trucks, trailers and semis, from small Duramax and Cummins word marks to full-width tailgate lettering. Most designs are cut from exterior-grade vinyl rated for years of outdoor exposure, so they hold up to road grime, pressure washing and winter salt. Whether you are dressing up a daily driver, branding a fleet truck, or finishing a show build, the pieces here are sized for real truck panels: tailgates, rear windows, doors, toolboxes and rockers.

Diesel Decals: What You Get

Diesel decals span a wide range of formats. Small engine badges and word marks run under 6 inches and fit beside existing badging or on a toolbox lid. Medium designs in the 12 to 24 inch range work on tailgates and rear windows. Larger lettering, 36 inches and up, is cut for full tailgate width or rocker panel placement on semis and duallys.

This collection suits diesel pickup owners, owner-operators, fleet managers adding consistent badging across trucks, and builders finishing show or tow rigs. If you run a diesel performance shop, the Custom Stickers collection covers logo work, and Bulk & Wholesale Stickers covers volume pricing.

Materials Behind Diesel Decals

Two vinyl families dominate vehicle graphics, and both appear here.

• Calendered vinyl is the workhorse. It is a 6 mil gloss vinyl with permanent adhesive, well suited to flat panels like tailgates, toolboxes and trailer sides. It is also the most economical option per square foot.
• Cast vinyl is thinner and conforms to compound curves. Use it on fenders, bumper contours and textured areas where calendered film will lift or silver.
• Air-release liner is available on some cast options. It lets trapped air escape through micro channels during installation, which matters on larger pieces.
• Laminate adds a gloss or matte overlaminate layer over the printed vinyl on trucks parked outdoors.
• Other finishes including static cling and clear vinyl are offered on select designs.

Sizing and Fit for Diesel Decals

Measure before ordering. Tailgate widths vary: a standard half-ton tailgate is roughly 56 to 63 inches wide, while dually and heavy-duty gates run wider. A 36 to 48 inch decal centered on the gate leaves clean margins on most trucks.

• Tailgate: 36 to 48 inches wide, centered between the taillights.
• Rear window: 24 to 36 inches for full-width pickup glass, 12 to 18 inches for sliding or split windows.
• Doors: 6 to 12 inch badges below the handle line.
• Toolbox: 8 to 18 inches, centered on the lid front.
• Rockers and trailer sides: 48 to 96 inch strips on semis and flatbeds.

Keep graphics at least 2 inches away from body lines and trim to avoid lifting edges.

Diesel Decals: Installation and Care

Steps:

• 1. Clean the panel with isopropyl alcohol and a lint-free towel. Skip wax, silicone or ammonia cleaners.
• 2. Work above 50 degrees Fahrenheit and out of direct sun so the panel is not hot to the touch.
• 3. Position the decal with masking tape hinges at the top edge, then check alignment from 10 feet back.
• 4. Peel the backing, squeegee from the center outward with firm overlapping strokes.
• 5. On air-release cast vinyl, press trapped bubbles toward the nearest edge rather than puncturing.
• 6. Remove application tape by pulling it back on itself at a low angle.
• 7. Wait 24 to 48 hours before washing.

For care, hand wash with mild soap, avoid high-pressure nozzles within 12 inches of edges, and skip automatic brush washes, which catch lifted corners.

How to Pick Diesel Decals

Run through this list before you add to cart:

• Flat panel like a tailgate or toolbox? Calendered vinyl is sufficient and cheaper.
• Curved surface like a fender or bumper? Choose cast vinyl.
• Truck parked outside year-round? Add a gloss or matte laminate to shield the print from sun damage.
• Decal wider than 24 inches? Look for an air-release liner to simplify installation.
• Applying indoors or to glass? Static cling is the pick.
• Multiple trucks to outfit? Check Bulk & Wholesale Stickers for volume options.

Related collections

• Car & Truck Decals
• American Flag Decals
• Boat & Marine Decals

Frequently asked questions

Will a diesel decal survive pressure washing?

Yes, if the edges have fully cured for 24 to 48 hours and you keep the nozzle at least 12 inches away. Direct high-pressure spray at close range can catch a lifted edge and peel the graphic. Avoid brush-style automatic car washes, since the rotating brushes grab corners. Hand washing with mild soap is the safest routine.

Can I put a diesel decal over my truck's painted badging?

You can, but the surface must be perfectly clean and flat. Raised lettering under a decal creates air pockets that lead to lifting. Most installers remove the factory badge first using fishing line and adhesive remover, clean the area with isopropyl alcohol, then apply the decal to smooth paint. That gives a flush, long-lasting result.

What size decal fits a full-size truck tailgate?

A 36 to 48 inch wide decal fits most half-ton and heavy-duty tailgates, which run roughly 56 to 63 inches wide. Measure your own gate between the taillights and subtract about 8 inches of margin on each side. For duallys and cab-and-chassis trucks, measure first since gate widths vary more.

Do these decals damage paint when removed?

Quality cast and calendered vinyl removes cleanly from factory paint that is in good condition. Warm the decal with a heat gun or hair dryer on low, then peel slowly at a low angle. Any adhesive residue comes off with adhesive remover. Repainted or freshly painted panels carry more risk, so test a corner first.

How long does shipping take within the US?

Most decals ship from our US facility within a few business days, with delivery timing depending on the shipping method you choose at checkout. Larger and custom-cut pieces may need extra production time. You will receive tracking information once your order leaves the shop.

Can I get a matching set for both doors and the tailgate?

Yes. The Decal Kits collection includes coordinated multi-piece sets, and many diesel designs are offered in matched sizes for doors, tailgate and rear window. If you need a specific combination that is not listed, the Custom Stickers collection covers made-to-order sizing and layouts.