Can you spray this over rust? And if you can, won't this spray just coat the rust while the rust eats away the metal underneath?

Don't spray it over rust, treat or repair the rust first. More than one undercoating job has actually made rust worse by trapping water and it eats away from the inside out and you'd never know until something falls apart.

I am considering using this product on my Jeep plastic fenders and bumpers. Has anyone done this?

I used this to undercoat the cab fenders and running boards on my 49 Chevy pickup but they were steel not sure about plastic.

How long does it take to dry?

It took about 24 hours to fully dry. That was in 100° weather too.

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3M - 03584-6PK Professional Grade Rubberized Undercoating, 03584, 16 oz

3M - 03584-6PK Professional Grade Rubberized Undercoating, 03584, 16 oz

Product ID: 12920598

Details

Brand
3M
Color
Black
Finish Type
Eggshell
Size
2.67 Ounce of
Item Volume
16 Fluid
Special Feature
Crack

🔇Sound deadening tech reduces road noise

🚗Multi-surface vehicle protection

🛡️16 oz rubberized corrosion shield

$298.34

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Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Ecuador.

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Description

🛠️ Protect your ride like a pro—because your vehicle deserves the best!

EFFORTLESS SPRAY ON - Aerosol dispenser for quick, professional-grade coverage
INDUSTRIAL STRENGTH - Trusted 3M formula designed for heavy-duty use
QUIETER RIDES AHEAD - Advanced sound deadening for a peaceful drive
ULTIMATE RUST DEFENSE - Seals out moisture and grit to extend vehicle life
VERSATILE APPLICATION - Perfect for wheel wells, fenders, and undercarriage

3M 03584-6PK Professional Grade Rubberized Undercoating is a 16 oz aerosol spray designed to protect cars, trucks, and recreational vehicles from rust, abrasion, and road noise. Its multi-purpose asphalt-based formula creates a durable barrier on wheel wells, fenders, and undercarriage components, extending vehicle lifespan with industrial-grade reliability.

Common Questions

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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$298.34

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Ecuador.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

View all Trustpilot reviews

Best Sellers Rank	#529,369 in Automotive ( See Top 100 in Automotive ) #181 in Automotive Primers
Customer Reviews	4.6 out of 5 stars 403 Reviews

3M - 03584-6PK Professional Grade Rubberized Undercoating, 03584, 16 oz

Details

Details

Description

Specifications

Common Questions