Skip to content
Pro-grade auto-body supply · Any quantity · 13,000+ SKUs in stock
13,000+ pro-grade SKUs in stock
Order in · ships today Ships next business day
X-L Products

X-L Products Sealer, Black, Quart

No reviews yet
$30.98
In stock
Order within ships today
Authorized dealer
Ships today
30-day returns
Overview

Built for the job.

Excel Autobody Products (X-L) 1K Sealers are an excellent quality, low build primer/sealer that is ready to spray right out of the can. Fast drying and creates a uniform surface without a lot of film build. XL 1K Sealers provide excellent adhesion to fully cured paint surfaces, treated and primed steel, properly…

X-L Products 1K Sealer in black is a single-component sealing primer designed for professional body shop applications. This ready-to-spray sealer provides excellent adhesion and corrosion protection across multiple substrate types, making it ideal for spot repairs, panel replacement, and complete refinishing projects where a uniform sealing foundation is required.

The 1:1 mix ratio eliminates complicated mixing calculations, while the formulation adheres effectively to aluminum, e-coat, fiberglass, primer, and steel substrates. This versatility allows technicians to use one product across diverse repair scenarios, from modern aluminum panels to traditional steel body components. The black pigmentation provides good coverage and helps identify areas needing additional primer or basecoat application.

Follow proper spray booth ventilation protocols and wear appropriate respiratory protection during application. Consult safety data sheet for complete handling and disposal requirements before use.

Why Pros Choose X-L Products X-L

  • Low Build
  • Fast Drying
  • Excellent Adhesion
  • For use on fully cured paint surfaces, treated and primed steel, prepared aluminum and fiberglass
  • Available in Black, Red, White, and Gray

Application Guide

  1. Ensure substrate (aluminum, e-coat, fiberglass, primer, or steel) is clean and properly prepared
  2. Product is ready to use - no mixing required (1:1 ratio indicates single component)
  3. Apply sealer evenly to prepared substrate using appropriate spray equipment
  4. Allow proper flash time between coats if multiple applications are needed

Compatibility

Compatible substrates: Steel, Aluminum, Fiberglass.

Compatible paint systems: Lacquer, Enamel, 1K, Basecoat.

Specifications

Technical specifications for 1K Sealer, Black, Quart
Part No. 20004
Product Line X-L
Manufacturer X-L Products
UPC 000050200047
Maximum Sale Quantity 4
Maximum Sale Day 7
Rubberized No
Mix Ratio
1:1
Compatible Substrates
Aluminum, E-coat, Fiberglass, Primer, Steel

About X-L Products

X-L Products is a trusted manufacturer of professional auto body and refinish products used by collision repair shops and restoration specialists across North America.

Frequently Asked Questions

What surfaces can I use this sealer on?

This 1K sealer is compatible with aluminum, e-coat, fiberglass, primer, and steel substrates, making it suitable for most common auto body repair applications.

Does this sealer require mixing?

No, this is a 1K (single-component) sealer with a 1:1 mix ratio, meaning it's ready to use straight from the container without adding activators or catalysts.

Documents & Safety

Why Buy from autofxmart

  • Authorized distributor — authentic, factory-fresh stock.
  • Fast US shipping — most orders ship within 1 business day.
  • 30-day returns — buy with confidence.
  • Pro-shop pricing — bulk discounts available on request.
  • Expert support — questions? Email us at support@autofxmart.com.
Cure & dry schedule

Timing at 77°F

Flash
5 to 15 minutes
Topcoat
30 minutes to 1 hour
How to apply

Steps

1Clean and degrease the surface, then scuff as needed.
2Mask off surrounding panels and trim.
3Mix to the product's ratio and strain.
4Apply 2–3 even coats, flashing between each.
5Let cure fully before sanding, buffing, or assembly.
Specifications

Full data

BrandX-L Products
Part #20004
UPC000050200047
ApplicationExcel Autobody Products (X-L) 1K Sealers are an excellent quality, low
SizeQT
OriginUS
ConditionNew
RubberizedNo
Frequently asked

Good to know

X-L Products X-L is compatible with Steel, Aluminum, Fiberglass. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
Most in-stock orders for X-L Products X-L ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup.
Yes. autofxmart is an authorized distributor of X-L Products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact support@autofxmart.com and we will make it right.
The MPN for X-L Products X-L is 20004. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.

What Our Customers Say

Thanks! Your review was submitted and will appear after moderation.

No reviews yet — be the first to review this product.