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Pro-grade auto-body supply · Any quantity · 23,000+ SKUs in stock
23,000+ pro-grade SKUs in stock
SEM

SEM 1K Clear 40903 High Solids Gloss 20 oz

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$27.00
In stock
Authorized dealer
Ships today
30-day returns
Overview

Built for the job.

1K HS Clear is a high solids clearcoat, perfect for refinishing small accessories, door jambs, underhoods, inner panels and new part cut-ins.

Why Pros Choose SEM SEM

  • Improved fan pattern is second only to a spray gun
  • Three gloss levels - gloss, semi to gloss and matte
  • Matches OEM finishes
  • Quick drying for increased production
  • Shop floor compliant (NESHAP 6H)
  • Save time and material
  • Reduces repair time and steps to maximize shop efficiency
  • Compliant on the shop floor

Compatibility

Compatible paint systems: 1K, Clearcoat.

Specifications

Technical specifications for SEM® 40903 1K Clear, 20 oz, Gloss, High Solids Content
Part No. 40903
Product Line SEM
MFR Model 40903
Standard/Approvals GHS02 | GHS04 | GHS07 | OSHA HCS Hazard
Manufacturer SEM
UPC 646786409035
Brand SEM®
Maximum Sale Quantity 6
Maximum Sale Day 7
Solids Content High
Container Size (oz) 20
Finish Gloss
Use With Ez Coat™ Factory Pack™ Basecoat

About SEM

SEM Products specializes in paint adhesion systems, flexible coatings, and plastic repair — the go-to choice for interior and trim refinishing.

Frequently Asked Questions

What size does SEM SEM come in?

This listing ships SEM SEM in a 20 (CN) container. Check the autofxmart catalog for other sizes and bulk pricing.

How fast does autofxmart ship SEM SEM?

Most in-stock orders for SEM SEM 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.

Is this SEM product genuine?

Yes. autofxmart is an authorized distributor of SEM 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.

What is the manufacturer part number (MPN) for SEM SEM?

The MPN for SEM SEM is 40903. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.

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.
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

BrandSEM
Part #40903
UPC646786409035
Application1K HS Clear is a high solids clearcoat, perfect for refinishing small
Size20
OriginUS
ConditionNew
Solids ContentHigh
Container Size (oz)20
Frequently asked

Good to know

This listing ships SEM in a 20 (CN) container. Check the autofxmart catalog for other sizes and bulk pricing.
Most in-stock orders for SEM 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 SEM 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 SEM is 40903. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.

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