10 Best Filler Primer Sprays for Easy Auto Fixes

Want to find the best filler primer sprays? Discover top picks and real user stories for quick and easy auto repairs.

Filler primer sprays make auto repairs easy. They fill dents and scratches fast. They prepare surfaces for paint.

Many users love these primers. They save time and money.

Choose the right one for your car. It hides flaws well. Paint sticks better after priming.

Jessica shared her story. She fixed her old truck door with Rust-Oleum primer. It dried in 10 minutes. The dents vanished smooth.

Mike painted his bike frame. The Dupli-Color filler worked great. It blocked rust. He got a pro look at home.

List of Top 10 Filler Primer Sprays

Image Title Best For Price
Rust-Oleum 260510 Stops Rust Automotive 2-in-1 Filler & Sandable Primer Spray, 12 oz, Gray Rust-Oleum 260510 Stops Rust Automotive 2-in-1 Filler & Sandable Primer Spray, 12 oz, Gray

This primer is perfect for DIY car owners and small auto shops. It works on wood, metal and fiberglass and provides a fast, rust-resistant base coat.

Rust-Oleum 260510-6PK Automotive 2-in-1 Filler & Sandable Primer Spray, Gray, 12 oz (Pack of 6) Rust-Oleum 260510-6PK Automotive 2-in-1 Filler & Sandable Primer Spray, Gray, 12 oz (Pack of 6)

Are you fixing up your car? The Rust-Oleum 2-in-1 Filler & Sandable Primer is perfect for DIYers and auto enthusiasts. It’s easy to use and gets your car looking great!

Rust-Oleum 249279 Automotive Filler Primer Spray, 11 oz, Gray Rust-Oleum 249279 Automotive Filler Primer Spray, 11 oz, Gray

Rust-Oleum Automotive Filler Primer Spray is perfect for car owners and DIY fixers who want to smooth out scratches and nicks on metal, wood, or fiberglass with fast-drying rust protection. It lets you cover up to 12 square feet in one go and spray it from any angle for easy rust-stopping touch-ups on trucks, cars, and more.

Rust-Oleum 249279-2PK Automotive Filler Primer Spray, 11 oz, Gray, 2 Pack Rust-Oleum 249279-2PK Automotive Filler Primer Spray, 11 oz, Gray, 2 Pack

This rust-stopping spray is perfect for car owners and DIY fixers who need to repair scratches, rust, and nicks on metal, wood, or fiberglass parts of cars, boats, or outdoor tools. It lets you spray any way you like, even upside down, to get a smooth base ready for paint.

Rust-Oleum Automotive Filler Primer Spray is ideal for anyone tired of corrosion ruining their gear, giving fast-drying protection that sticks great to top coats.

Rust-Oleum 260737 Automotive Sandable Primer Spray, 12 oz, White Rust-Oleum 260737 Automotive Sandable Primer Spray, 12 oz, White

Ready to give your car a smooth, professional finish? This primer is for you. It’s perfect for anyone who wants to stop rust and get things looking great, fast!

6-Pack of 11 oz Rust-Oleum Brands 249279 Gray Automotive Filler Primer Spray 6-Pack of 11 oz Rust-Oleum Brands 249279 Gray Automotive Filler Primer Spray

This Rust-Oleum filler primer spray is perfect for car owners who want to fix dents and stop rust without calling a pro.
It works great for any DIY project, helping you spray easily and get a smooth finish on your ride.

Dupli-Color FP101 Scratch Filler Primer, Gray – 11 oz. Aerosol Can Dupli-Color FP101 Scratch Filler Primer, Gray – 11 oz. Aerosol Can

Got scratches? Want a smooth finish? Dupli-Color Scratch Filler Primer is perfect for DIY car enthusiasts and anyone who wants to fix minor auto body imperfections before painting. It’s easy to use and delivers professional-looking results, making your project shine!

Rust-Oleum 249418 Automotive Sandable Primer Spray, 12 oz, Black Rust-Oleum 249418 Automotive Sandable Primer Spray, 12 oz, Black

This sandable primer spray is perfect for DIY car lovers who want a strong base for painting vehicles. It’s also great for people fixing wood, metal, or fiberglass on trucks and other gear.

Hycote High Build Aerosol Car Spray Paint, Filler Primer, 13.5 Oz Hycote High Build Aerosol Car Spray Paint, Filler Primer, 13.5 Oz

This high-build aerosol primer is perfect for car owners who need to fix small dents or scratches at home. It helps drivers get a smooth finish on old paint or bare metal with easy sanding.

Dupli-Color DAP1700 2-in-1 Hi-Build Filler & Sandable Primer Spray Paint - 12 oz. Aerosol Can Dupli-Color DAP1700 2-in-1 Hi-Build Filler & Sandable Primer Spray Paint – 12 oz. Aerosol Can

This is great for DIYers and small auto shops. It fixes metal, fiberglass, and wood fast with the 2-in-1 Hi-Build Primer.

Detailed Reviews

Expert picks reveal the top filler primer sprays for your needs. Each one shines through in-depth reviews of features, ease of use, and lasting results. We focused on affordability, quick drying, and smooth finishes to guide you right. Dive in to discover the perfect match that boosts your projects with confidence.

1. Rust-Oleum 260510 Stops Rust Automotive 2-in-1 Filler & Sandable Primer Spray, 12 oz, Gray

Rust-Oleum 260510 Stops Rust Automotive 2-in-1 Filler & Sandable Primer Spray, 12 oz, Gray

Rust-Oleum 2-in-1 Filler & Sandable Primer Spray stops rust and fills in minor imperfections. It dries fast in just 10 minutes for quick work on cars, trucks, or other vehicles. Use it on wood, metal, or fiberglass surfaces with the easy-spray system that works from any angle.

This oil-based primer provides a smooth base that sands easily for the best finish. It ensures top coat paints stick well and protects against future rust.

Pros Cons
  • Stops rust on cars and trucks easily.
  • Fills and sands minor dents smoothly.
  • Dries quickly in just ten minutes.
  • Sprays at any angle for convenience.
  • Works great on wood, metal, and fiberglass.
  • Strong odor lingers from oil-based formula
  • Small coverage may not cover large areas enough
  • Needs sanding which adds extra time and work

Perfect For:

This primer is perfect for DIY car owners and small auto shops. It works on wood, metal and fiberglass and provides a fast, rust-resistant base coat.

Ready to Purchase?

2. Rust-Oleum 260510-6PK Automotive 2-in-1 Filler & Sandable Primer Spray, Gray, 12 oz (Pack of 6)

Rust-Oleum 260510-6PK Automotive 2-in-1 Filler & Sandable Primer Spray, Gray, 12 oz (Pack of 6)

This Rust-Oleum primer is a 2-in-1 filler and sandable spray. It stops rust and works on wood, metal, and fiberglass.
It dries fast in 10 minutes. You can recoat it quickly. It fills small dents for a smooth surface.
Save time with this easy primer. Get a brilliant base for your car or truck.

Pros Cons
  • Fills minor imperfections and sands to a smooth finish.
  • Stops rust on metals for long-lasting protection.
  • Dries to the touch in just 10 minutes.
  • Works great on wood, metal, and fiberglass surfaces.
  • Offers superior adhesion for your top coat.
  • Strong odor; use ventilation.
  • Oil-based; cleanup with solvent.
  • Not for large areas; best for small fixes.

Perfect For:

Are you fixing up your car? The Rust-Oleum 2-in-1 Filler & Sandable Primer is perfect for DIYers and auto enthusiasts. It’s easy to use and gets your car looking great!

Ready to Purchase?

3. Rust-Oleum 249279 Automotive Filler Primer Spray, 11 oz, Gray

Rust-Oleum 249279 Automotive Filler Primer Spray, 11 oz, Gray

This is a filler primer spray. It covers up to 12 sq ft and uses the Stops Rust formula. It dries in 10 minutes and can be recoated.

Its any-angle spray lets you coat from any direction, even upside down. The flat finish takes topcoats well and helps fill small scratches.

Pros Cons
  • Fills minor scratches for smooth surface.
  • Rust-proof formula stops corrosion fast.
  • Dries in 10 minutes, recoat quick.
  • Any-angle spray works upside down.
  • Works on metal, wood, fiberglass easily.
  • Strong solvent odor; ventilate area.
  • Oil-based cleanup required after use.
  • Not sold in Catalina Island.

Perfect For:

Rust-Oleum Automotive Filler Primer Spray is perfect for car owners and DIY fixers who want to smooth out scratches and nicks on metal, wood, or fiberglass with fast-drying rust protection. It lets you cover up to 12 square feet in one go and spray it from any angle for easy rust-stopping touch-ups on trucks, cars, and more.

Ready to Purchase?

4. Rust-Oleum 249279-2PK Automotive Filler Primer Spray, 11 oz, Gray, 2 Pack

Rust-Oleum 249279-2PK Automotive Filler Primer Spray, 11 oz, Gray, 2 Pack

This filler primer spray is perfect for fixing metal, wood, and fiberglass surfaces on your car. It uses an oil-based formula to stop rust and make the surface ready for paint.

It dries fast in just 10 minutes and covers up to 12 square feet. This spray fills scratches and nicks to create a smooth base. It works in any direction with any-angle spray technology.

Pros Cons
  • This is ideal for metal, wood, fiberglass surfaces.
  • Stops rust with oil-based formula.
  • Dries in 10 minutes.
  • Covers up to 12 sq ft.
  • Fills scratches for a smooth finish.
  • Oil-based formula causes strong odor during use
  • Quick dry time requires fast painting skills
  • May not fill deep scratches completely

Perfect For:

This rust-stopping spray is perfect for car owners and DIY fixers who need to repair scratches, rust, and nicks on metal, wood, or fiberglass parts of cars, boats, or outdoor tools. It lets you spray any way you like, even upside down, to get a smooth base ready for paint.

Rust-Oleum Automotive Filler Primer Spray is ideal for anyone tired of corrosion ruining their gear, giving fast-drying protection that sticks great to top coats.

Ready to Purchase?

5. Rust-Oleum 260737 Automotive Sandable Primer Spray, 12 oz, White

Rust-Oleum 260737 Automotive Sandable Primer Spray, 12 oz, White

Get ready for the perfect finish! Rust-Oleum Automotive Sandable Primer is your secret weapon.

This primer is fast-drying and all-purpose. It even has a Stops Rust formula to keep your project looking great.

Spray at any angle, even upside down. It sands smooth. Get yours today!

Pros Cons
  • Fast-drying for quick jobs.
  • Stops Rust formula protects metal.
  • Any-angle spray with comfort tip.
  • Sands smooth for a flawless finish.
  • All-purpose use on many surfaces.
  • May need many coats.
  • Strong smell, use it outside.
  • Can drip easily if you spray too much.

Perfect For:

Ready to give your car a smooth, professional finish? This primer is for you. It’s perfect for anyone who wants to stop rust and get things looking great, fast!

Ready to Purchase?

6. 6-Pack of 11 oz Rust-Oleum Brands 249279 Gray Automotive Filler Primer Spray

6-Pack of 11 oz Rust-Oleum Brands 249279 Gray Automotive Filler Primer Spray

This spray primer fills dents and scratches on cars. It stops rust with a strong formula. The bottle lets you spray at any angle.

It builds up fast with its hi-build mix. It smooths out rough spots perfectly.

The comfort tip feels good in your hand. Grab this pack and fix your vehicle now.

Pros Cons
  • Hi-build formula fills flaws fast.
  • Stops Rust for lasting protection.
  • Fills imperfections with ease.
  • Any-Angle spray with comfort tip.
  • Gray primer finish ready for paint.
  • Strong fumes; use in well-ventilated areas.
  • Requires sanding between coats for smooth finish.
  • May need multiple coats for even fill.

Perfect For:

This Rust-Oleum filler primer spray is perfect for car owners who want to fix dents and stop rust without calling a pro.
It works great for any DIY project, helping you spray easily and get a smooth finish on your ride.

Ready to Purchase?

7. Dupli-Color FP101 Scratch Filler Primer, Gray – 11 oz. Aerosol Can

Dupli-Color FP101 Scratch Filler Primer, Gray – 11 oz. Aerosol Can

Get ready to transform your vehicle’s look! Dupli-Color FP101 Scratch Filler Primer is a game-changer.

This automotive primer fills scratches and imperfections. It dries fast and sands easily. The finish promotes top coat paint uniformity.

It also improves top coat adhesion. The EZ Touch Fan Spray Nozzle gives you great coverage. It is dry to the touch in just 30 minutes.

Use it on metal, fiberglass, and wood. Dupli-Color has been a trusted brand since 1938. This product helps you restore, restyle, and protect your vehicle.

Pros Cons
  • Fills deep scratches on your car quickly.
  • Easily sanded for a smooth finish.
  • Improves paint adhesion for lasting coverage.
  • Works on metal, fiberglass, and wood.
  • Trusted brand with easy-to-use aerosol design.
  • Might need multiple coats for deep scratches.
  • Best suited for metal, fiberglass, or wood only.
  • 11 oz. can might not be enough for big jobs.

Perfect For:

Got scratches? Want a smooth finish? Dupli-Color Scratch Filler Primer is perfect for DIY car enthusiasts and anyone who wants to fix minor auto body imperfections before painting. It’s easy to use and delivers professional-looking results, making your project shine!

Ready to Purchase?

8. Rust-Oleum 249418 Automotive Sandable Primer Spray, 12 oz, Black

Rust-Oleum 249418 Automotive Sandable Primer Spray, 12 oz, Black

Get your ride ready for a flawless finish! Rust-Oleum Automotive Sandable Primer is your secret weapon.

This primer works on wood, metal, and fiberglass. It dries fast, letting you recoat in just 10 minutes. It gives great top coat adhesion.

Plus, the Stops Rust formula prevents corrosion. The flat finish sands easily for a smooth surface. Get yours today!

Pros Cons
  • Rust-proof your ride with hardy protection against corrosion.
  • Get a smooth sandable finish that yields top results.
  • Dries fast in just 10 minutes for quick recoats.
  • Superior adhesion ensures your top coat sticks perfectly.
  • Durable coating lasts long on cars, trucks, and more.
  • Oil-based spray creates strong odors that linger.
  • Dries quickly in just 10 minutes, limiting work time.
  • Small 12 oz can only covers 15 sq ft.

Perfect For:

This sandable primer spray is perfect for DIY car lovers who want a strong base for painting vehicles. It’s also great for people fixing wood, metal, or fiberglass on trucks and other gear.

Ready to Purchase?

9. Hycote High Build Aerosol Car Spray Paint, Filler Primer, 13.5 Oz

Hycote High Build Aerosol Car Spray Paint, Filler Primer, 13.5 Oz

Hycote High Build Aerosol is a filler primer for car spray paint. It comes in a 13.5 oz can. Use it as the first step for professional body shop finishes.

This primer works well with water-based paints and solvent-based coatings. It also fits with two-pack finishes. It sticks strongly to metals and old paint.

It fills small cracks and dents well. You get a smooth matt finish that sands easily.

Pros Cons
  • Optimised primer for pro finishes.
  • Compatible with water-based and solvent paints.
  • Excellent adhesion to metal and old paint.
  • In-fills cracks for a smooth base.
  • Smooth matt finish with easy sanding.
  • Best for small flaws; not for big dents.
  • Requires proper ventilation; fumes are strong.
  • More prep needed before top coats.

Perfect For:

This high-build aerosol primer is perfect for car owners who need to fix small dents or scratches at home. It helps drivers get a smooth finish on old paint or bare metal with easy sanding.

Ready to Purchase?

10. Dupli-Color DAP1700 2-in-1 Hi-Build Filler & Sandable Primer Spray Paint – 12 oz. Aerosol Can

Dupli-Color DAP1700 2-in-1 Hi-Build Filler & Sandable Primer Spray Paint - 12 oz. Aerosol Can

Discover the Dupli-Color DAP1700 2-in-1 Hi-Build Filler & Sandable Primer Spray Paint for expert auto repairs. Its hi-build formula fills in dents and smooths out rough spots fast.

This primer sprays on easy with a 360° fan nozzle and dries quick. Use it on metal, fiberglass, or wood for strong hold. Trust Dupli-Color since 1938 for top results.

Pros Cons
  • Hi-Build formula for faster fill.
  • Better adhesion and rust resistance.
  • Dries in 30 minutes; handle in 1 hour.
  • 2-in-1 primer saves time.
  • Works on metal, fiberglass, wood.
  • Limited colors may need extra topcoat.
  • Higher cost than basic primers.
  • Requires thorough surface prep for best results.

Perfect For:

This is great for DIYers and small auto shops. It fixes metal, fiberglass, and wood fast with the 2-in-1 Hi-Build Primer.

Ready to Purchase?

Buying Guide

Fix your car like a pro. Filler primer sprays make it easy. Get a smooth finish fast.

Users love how these primers save them time. Jessica fixed her old truck door with Rust-Oleum primer. Mike made his bike frame look new with Dupli-Color filler.

Here’s what to look for in the best filler primer sprays:

  • Intended Use: Know where you will use it. Some work best on metal. Others are good for wood or fiberglass.

  • Drying Time: Fast-drying primers save time. Some dry in just 10 minutes. This lets you recoat sooner.

  • Sandability: A good primer sands easily. This makes a smooth surface for paint. This helps your top coat look great.

  • Rust Prevention: Look for primers that stop rust. This protects your car from damage. It keeps your project looking good for longer.

  • Spray Nozzle: A good nozzle is easy to use. Some spray at any angle. This helps you reach tricky spots.

  • Coverage Area: Check how much the primer covers. Knowing this helps you buy the right amount. It prevents you from running out too soon.