Best Automotive Primers in 2026

MULTI-PURPOSE UNDERCOATING may be applied to cars, truck and recreational vehicles

SOUND DEADENING PROPERTIES help reduce road noise

ASPHALT-BASED product is excellent for wheel wells, quarter panels, interior fenders, under the hood and more

Primes bare metal surfaces

Promotes paint adhesion to difficult substrates such as galvanized steel and aluminum

Flash point: 41.0

Improve adhesion of all paints

Quick drying clear primer

Ideal of interior or exterior use

✅ WHY CHOOSE POR-15 HIGH TEMPERATURE PAINT? – POR-15 High Temp paint is capable of withstanding extreme temperatures up to 1200°F / 648.8°C and will resist cracking, chipping, and peeling.

✅ TOUGH & DURABLE - Renew and protect metal surfaces subject to extreme heat. Our high temperature paint provides a tough corrosion resistant finish that protects against weather, salt, and moisture.

✅ APPLICATION - All surfaces must be clean and free of all dirt, loose rust, oil, grease, wax, soap, loose paint & any other matter. Paint all bare areas with two coats. Glossy surfaces should be roughened with 320 grit sandpaper before recoating. Allow POR-15 High Temp Coating to cure for 24 hours on the surface before temperature is raised above 300°F for full cure.

URETHANE ADHESION: Specifically promotes urethane adhesion in automotive glass applications

PINCHWELD TOUCH UP: Can be used to inhibit corrosion on pinchwelds

EASY TO USE: Fast-drying and requires no activator

Use for priming plastic and metal parts quickly and easliy

Prevents rust and seals out moisture

Provides a smooth base for topcoat application on metal

Totally disperses water, controls waxing & gelling

Cleans pump, filter andburner tips while stabilzing fuel

Promotes clean flame while reducing smoke

Multi-purpose undercoating may be applied to cars, truck and recreational vehicles

Sound deadening properties help reduce road noise

Asphalt-based product is excellent for wheel wells, quarter panels, interior fenders, under the hood and more

Precision Tips – Each touch up paint applicator features a superfine 1.5mm tip which can be easily bent to any desired angle for those hard to reach areas

No Mess – The paint touch up brushes are designed with lint free, non-drip, non-absorbing fibers to reduce mess and waste

Easy Use and Storage – Specially designed container functions as a micro brush dispenser – a flap on the end opens and paint touch up sticks can be dispensed one at a time

EASY TO USE - Little or NO preparation required, applies directly over rust with a simple one step process.

MULTIPLE WAYS TO APPLY - Brush, spray, or roll on for a perfect coat.

DURABLE - Applies directly over rust UV resistant wont fade or crack, no topcoat required

Flame proof coating extends life of high heat surfaces

Matte finish ceramic silicone base widely used on automotive exhaust

Best when used with primer color paint and clear coat process

Easy 4:1 mix primer with optional 5-10% reduction with 0 voc reducer (SMR-0075)

Can be used as a primer and a sealer

Great adhesion to Steel, Aluminum, Fiberglass, Body fillers and Existing finishes

High Build Urethane Primer

Great adhesion

Fast Dry

Promotes adhesion of tapes to polyethylene, polypropylene, ABS, PET/PBT blends and other on difficult to stick to substrates

Can be applied using a .47 fluid oz. refillable marker with reversible felt tip applicator, search ASIN: B085BB4HNG

Can be applied using 4 oz. refillable bottle with felt tip applicator, search ASIN: B082XDWJ9K

Package Dimensions: 8.43 L x 8.62 H x 5.75 W (inches)

Package Weight : 6.17 pounds

Country of Origin : United States

1 Gallon (3.8 Liters) Can of Custom Shop Premium Self-Etching Acid Etch Primer. Black primer color. It etches and primes bare, rust-free metal in just one step.

Premium Self-Etching Acid Etch Primer is a ready-to-spray, self-etching primer with tremendous adhesion and flexibility properties. It provides excellent adhesion to the following properly prepared substrates: steel, aluminum, fiberglass, previously painted surfaces, wood, and some plastics.

It's a super primer with anti-corrosive properties, which makes it ideal for use over bare metals such as aluminum and steel. It's a perfect primer for fleet and OEM manufacturers.

Etch and prime bare metal in one step

Flat fan high atomization nozzle offers a large fan pattern and excellent coverage

Creates an anti-corrosive barrier that prevents steel from rusting

RustSeal is an incredible, single-component, ready-to-use, high solids content, rust preventive coating and stop rust paint with insane sealing properties.

RustSeal is the most permanent cost-effective solution for stopping rust and corrosion anyplace where it is a problem: home, automotive, industry, fleet, farm & more!

Unlike other corrosion treatments, RustSeal is an enhancement that lasts. Water and air are locked out, therefore oxidation, the precursor to rust, cannot take hold.

✅ POR-15 SELF ETCH PRIMER - Is formulated to dry quickly and promote adhesion for the coming layers. Proven to bond incredibly well to all top coats. For a superior layer of protection against rust, apply POR-15 Rust prevention coating following self etch primer spray.

✅ APPLICATION - All surfaces must be clean and free of all dirt, loose rust, oil, grease, wax, soap, loose paint and any other matter. Shake well before spraying. Spray two light coats of and allow 10 to 15 minutes between coats. Our Self Etch Primer can be topcoated in 30 minutes.

✅ INCREDIBLE BOND - Our Self Etch Primer is NOT a high-build primer, but it can be sprayed on almost any painted surface and can be top coated in 20 - 30 minutes. It bonds incredibly well to POR-15 Rust Preventive Coating, and all topcoats bond incredibly well to POR-15 Self Etch Primer. It can be sanded lightly, and if desired, multiple coats may be applied.

Fits: Primer Primer

Works on automotive metal, aluminum, urethane and plastic

Sold each

DURABLE EPOXY PRIMER: Apply this automotive aerosol gray primer on car body panels, aluminium, steel, or fiberglass to create a durable finish, and to effectively prevent rust. Setting the stage the professional way for your new paint job, and extending the lifetime of your new paint. Spray like a pro without the expensive HVLP setup.

BEST USE: The Eastwood 2k epoxy gray primer features a 2 component formula containing the premium Eastwood gray epoxy paint, and the 2k activator formula. Impressive 3 year shelf life, along with 48 hour pot life once activated. The innovative nozzle isn't like your regular rattle can, this specially engineered nozzle sprays in a wide fan pattern. Made in Germany using Eastwood specialist proprietary technology.

EASTWOOD QUALITY: Eastwood offers solutions which combines our 4,000+ unique products with the know-how to “Do The Job Right”. With an In-house product design, development and testing and a strong track record of high-quality, innovative products. Used and trusted by top builders to beginners and also provides a Lifetime Tech Support.

BETTER THAN LIQUID CHALK- Specially made to write on vehicles Window, Windshield, Bike, Motorcycle Helmets, Tires, Mirror and all Non-Porous Undamaged Surfaces.

RAIN RESISTANT & WASHABLE - Durable enough to resist light rain showers but still be removable by wiping with a damp cloth. Do not leave on car hood in direct sunlight for more than a couple days (especially on very hot summer days).

CRAFT SUPPLIES - Unleash the artist in you. Instead of using car stickers, decals or vinyl wraps buy this cool art marker and draw your own design.

High build and fill

Made in Britain

High build primer/filler for uneven surfaces

RAPTOR Anti-Corrosive Epoxy Primer is a 2K high performance primer specifically designed to be used under RAPTOR Protective Coating to further extend the protective and anti-corrosive properties of RAPTOR

The advanced resin technology in RAPTOR Anti-Corrosive Epoxy Primer improves adhesion to bare metal and most other prepared surfaces, and promotes intercoat performance to further extend the life of RAPTOR protective coating

It contains a blend of anti-corrosive additives to inhibit rust and corrosion and offers excellent salt spray resistance

"Etches And Primes Bare, Rust-Free Metal In One Step , Available in Easy to Use Aerosol Cans or Economical quarts and gallons "

Lacquer-Based, Single-Stage Formula Requires No Catalyst

Enhances Adhesion And Durability Of Most Non-Epoxy Top Coats

Excellent Foundation Primer: Convenient primer surfacer for any paint system

Easy Sanding: Use 180 and 220 grit sandpaper on an orbital sander, depending on the surface

Highly Adhesive Primer: Ideally suited for filling most rough and uneven surfaces in one coat

Ideal for use on metal, wood and fiberglass surfaces

Stops Rust oil based formula protects surfaces from rust/corrosion and improves topcoat adhesion

Dries to the touch in 10-15 minutes and covers between 40-50 sq. ft. per quart

The original transmission shudder fix.

A concentrated friction modifier formulated specifically for instantly eliminating torque converter lock-up shudder.

Provides four times less wear than regular ATF.

Unlimited potlife

Strong adhesion

Corrosion resistance