10 Best 2k primer fillers of 2026

Save up to 17% off

Best Choice

1

Clicked 5 times in the last month

acme
acme FP 410 Gallon KIT Urethane Primer Sherwin Williams Restoration AUTO Paint FINISH1
Main highlights

Excellent Fill Properties
FP 410 Urethane Primer offers superior coverage, easily hiding 80-grit sand scratches for a smooth finish.

Perfect for Auto Restorations
Designed to enhance the restoration process, providing a reliable base for automotive paint jobs.

Customer Favorite: Coverage
Users frequently praise its ability to cover imperfections with ease, making it a top choice for professionals.
Key specs
- coverage:hides imperfections
- item form:Liquid
- size:2 Piece Set
- color:Gray
- paint:Acrylic
9.8

Exceptional

Our Rating
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

Speedokote

Speedokote Automotive High Build 2K Urethane Primer Gray Gallon Kit SMR-210/211, Activator is included. For California, Delaware, or Maryland, order SMR-221/222.
9.5

Excellent

Our Rating

9.7
lasts a long time

9.5
worth the money

9.5
Simple to use
3

SprayMax

Spray Max U.S. Chemical & Plastics 2K Rapid Primer Filler Gray (USC-3680031)
9.3

Excellent

Our Rating
4

SprayMax

Spray max 3680031 Gray Universal 2K Rapid Primer Filler 13.2 oz (2 Pack)
9.2

Excellent

Our Rating
5

SprayMax

SprayMax 2K Epoxy Primer Black | 2K Primer Automotive | Epoxy Spray Paint for Metal, Aluminum & Steel | Corrosion-Resistant, Fast-Drying, High Adhesion & Professional Grade 12.5 oz
9.1

Excellent

Our Rating

9.3
Long life

8.0
lasts a long time

8.0
Simple to use
See Today’s Deals & Prices
6

SprayMax

SprayMax 2K Epoxy Primer Black | 2K Primer Automotive | Epoxy Spray Paint for Metal, Aluminum & Steel | Corrosion-Resistant, Fast-Drying, High Adhesion & Professional Grade 12.5 oz
9.0

Excellent

Our Rating

9.3
Long life

8.0
lasts a long time

8.0
Simple to use
7

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

14% Off
Main highlights

Filler and Sandable Primer Benefits
Suitable for wood, metal, and fiberglass, this 2-in-1 oil-based primer provides rust resistance, superior adhesion, and a smooth finish after sanding.

Ideal Use Cases for Automotive and 3D Prints
Perfect for automotive projects, 3D prints, and DIY tasks, it fills minor imperfections, dries quickly, and is easy to sand for a flawless finish.

Customer Praised Feature: Easy Sanding
Customers consistently praise its thick application, ability to fill scratches and imperfections, and ease of sanding for a smooth final result.
Key specs
- coverage:35 square feet
- item form:Liquid
- size:12 Ounce Pack of 1
- color:Gray
- paint:Spray
8.9

Very Good

Our Rating

9.5
materials Quality

9.1
lasts a long time

8.9
Simple to use
8

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

14% Off
Main highlights

Filler and Sandable Primer Benefits
Suitable for wood, metal, and fiberglass, this 2-in-1 oil-based primer provides rust resistance, superior adhesion, and a smooth finish after sanding.

Ideal Use Cases for Automotive and 3D Prints
Perfect for automotive projects, 3D prints, and DIY tasks, it fills minor imperfections, dries quickly, and is easy to sand for a flawless finish.

Customer Praised Feature: Easy Sanding
Customers consistently praise its thick application, ability to fill scratches and imperfections, and ease of sanding for a smooth final result.
Key specs
- coverage:35 square feet
- item form:Liquid
- size:12 Ounce Pack of 1
- color:Gray
- paint:Spray
8.8

Very Good

Our Rating

9.5
materials Quality

9.1
lasts a long time

8.9
Simple to use
9

U-POL

U-Pol Products 2253 System 2025 DTM 2K Hs Urethane Primer Filler - 1 Gallon

17% Off
8.6

Very Good

Our Rating
10

SprayMax

SprayMax 3680031 Gray Universal 2K Rapid Primer Filler 13.2 oz (4 Pack)
8.5

Good

Our Rating

10 Best 2k primer fillers of 2026

1

acme FP 410 Gallon KIT Urethane Primer Sherwin Williams Restoration AUTO Paint FINISH1

How do we rank?

How do we rank?

Analyzing top stores

2

Speedokote Automotive High Build 2K Urethane Primer Gray Gallon Kit SMR-210/211, Activator is included. For California, Delaware, or Maryland, order SMR-221/222.

9.7

9.5

9.5

3

Spray Max U.S. Chemical & Plastics 2K Rapid Primer Filler Gray (USC-3680031)

4

Spray max 3680031 Gray Universal 2K Rapid Primer Filler 13.2 oz (2 Pack)

5

SprayMax 2K Epoxy Primer Black | 2K Primer Automotive | Epoxy Spray Paint for Metal, Aluminum & Steel | Corrosion-Resistant, Fast-Drying, High Adhesion & Professional Grade 12.5 oz

9.3

8.0

8.0

6

SprayMax 2K Epoxy Primer Black | 2K Primer Automotive | Epoxy Spray Paint for Metal, Aluminum & Steel | Corrosion-Resistant, Fast-Drying, High Adhesion & Professional Grade 12.5 oz

9.3

8.0

8.0

7

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

9.5

9.1

8.9

8

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

9.5

9.1

8.9

9

U-Pol Products 2253 System 2025 DTM 2K Hs Urethane Primer Filler - 1 Gallon

10

SprayMax 3680031 Gray Universal 2K Rapid Primer Filler 13.2 oz (4 Pack)

Sign up and get exclusive special deals