Eastwood 3X Chassis Black Undercoating Kit | Universal | 3X More Durable (33991ZP)

Eastwood 3X Chassis Black — Premium Undercoating Kit, 3X More Durable

Protect your undercarriage with the most durable chassis black Eastwood makes. The 3X formula uses three times more resins than original Chassis Black — delivering a tougher, longer-lasting barrier against road salt, moisture, chips, and UV that holds up through seasons of hard use.

Vehicle Fitment

Universal — works on any vehicle undercarriage application.

Why Choose Eastwood?

Eastwood has equipped professional restorers and fabricators with purpose-built tools and coatings for decades. Washburn's Metal is an authorized Eastwood dealer, so every product ships genuine and fully backed.

Key Features & Benefits

• 3X more resins: than original Chassis Black for maximum durability.
• Resistant: chips, corrosion, road salt, and temperatures to 300°F.
• Spray kit: easy, even application without a dedicated spray gun.
• Factory look: dries to a classic flat black finish matching factory undercoating.
• Ideal for: frame rails, floor pans, suspension components, and wheel wells.

Technical Specifications

• Finish: flat black
• Temp resistance: up to 300°F
• Part #: 33991ZP

Frequently Asked Questions

• How is this different from original Chassis Black? 3X more resins for significantly better chip and corrosion resistance.
• Can it go over rust? For best results, use over Eastwood Rust Encapsulator first.
• Are you an authorized dealer? Yes — Washburn's Metal is an authorized Eastwood dealer.

Explore Related Categories

Chassis · Restoration Tools

Prop 65 WARNING: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.