we’ve put together a collection of the best Truck Undercoatings that are currently available on the market. To help you find the perfect Truck Undercoating among a wide variety of options, we constantly update our collection with new and trending models.

10 Best Truck Undercoatings

Based on dozens of customer reviews and ratings, the followings are the top 10 best-selling Truck Undercoatings:

# Preview Product Price
1 3M 3584 Professional Grade Rubberized Undercoating 6 16oz Cans 3M 3584 Professional Grade Rubberized Undercoating 6 16oz Cans $64.99 View Product
2 Rust-Oleum 344763 2-in-1 Rust Reform & Seal, 32 Fl Oz (Pack of 1), Black, 128 Rust-Oleum 344763 2-in-1 Rust Reform & Seal, 32 Fl Oz (Pack of 1), Black, 128 $24.48 View Product
3 Rust-Oleum Black Undercoating 15 oz. (12 Pack) Rust-Oleum Black Undercoating 15 oz. (12 Pack) $77.23 View Product
4 Cosmoline RP-342'Heavy' Rust Preventative Spray (Military-Grade) 6-Cans Cosmoline RP-342″Heavy” Rust Preventative Spray (Military-Grade) 6-Cans $79.95 View Product
5 woolwax™ Auto/Truck Lanolin Undercoating 5 Gallon Pail. Black woolwax™ Auto/Truck Lanolin Undercoating 5 Gallon Pail. Black $229.00 View Product
6 TCP Global Air Undercoating Spray Gun with Suction Feed Cup - Apply Sprayable Truck Bed Liner Coating, Rubberized Undercoat, Rust Proofing, Chip Guard Paint - Pneumatic Automotive Application Sprayer TCP Global Air Undercoating Spray Gun with Suction Feed Cup – Apply Sprayable Truck Bed Liner… $34.99 View Product
7 woolwax™ Auto/Truck Lanolin Undercoating 5 Gallon Pail. Straw (Clear) Color. woolwax™ Auto/Truck Lanolin Undercoating 5 Gallon Pail. Straw (Clear) Color. $209.00 View Product
8 3M 08881 6 Pack 16 oz. UnderCoating, Black 3M 08881 6 Pack 16 oz. UnderCoating, Black $54.74 View Product
9 Custom Coat Black 2 Gallon (8 Quart) Urethane Spray-On Truck Bed Liner Kit with Spray Gun and Regulator - Easy 3 to 1 Mix Ratio, Just Mix, Shake and Shoot It - Durable Textured Protective Coating Custom Coat Black 2 Gallon (8 Quart) Urethane Spray-On Truck Bed Liner Kit with Spray Gun and… $239.99 View Product
10 Fluid Film 5gal Pail NAS Rust Inhibitor Rust Prevention Anti Corrosion Anti Rust Coating Undercoating Underbody Rust Proofing Corrosion Protection for Truck Snow Blower Mower Car Semi Tractor Bus Fluid Film 5gal Pail NAS Rust Inhibitor Rust Prevention Anti Corrosion Anti Rust Coating… $180.40 View Product

Top Rated Truck Undercoating Reviews

Since we’ve mentioned 10 different models of Truck Undercoatings on the above list, it may be difficult for you to find the right one for your needs. This is why we listed the key features of each of these Truck Undercoatings below:

1

3M 3584 Professional Grade Rubberized Undercoating 6 16oz Cans
3M 3584 Professional Grade Rubberized Undercoating 6 16oz Cans

$64.99
View Product
Product Highlights:

  • Use on cars, trucks, and recreational vehicles
  • Coating helps prevent damage corrosion
  • Helps reduce road noise
  • Clean application
2

Rust-Oleum 344763 2-in-1 Rust Reform & Seal, 32 Fl Oz (Pack of 1), Black, 128
Rust-Oleum 344763 2-in-1 Rust Reform & Seal, 32 Fl Oz (Pack of 1), Black, 128

$24.48
View Product
Product Highlights:

  • Easy to use spray seals and protects metal surfaces from corrosion and moisture
  • Flexible, rubberized coating provides superior chemical and abrasion resistance
  • Dries to touch in 1-2 hours and covers 85-175 sq. ft. per qt. with rust protection
  • Apply by brush, roller or spray to repair rust problems and prevent future issues
  • Creates a protective coating with no shine, flat finish on rusted or bare metal
3

Rust-Oleum Black Undercoating 15 oz. (12 Pack)
Rust-Oleum Black Undercoating 15 oz. (12 Pack)

$77.23
View Product
Product Highlights:

  • Quantity of (12) cans: 15 OZ, Black Rubberized Undercoating
  • An Easy To Use, Black Protective Coating
  • Protects Metal Surfaces From Corrosion & Moisture
  • Trusted Rust Preventive Formula Provides A Barrier From Rust On Cars, Trucks, Trailers & Other Recreational Vehicles
  • For Best Results Apply 2 Coats
4

Cosmoline RP-342'Heavy' Rust Preventative Spray (Military-Grade) 6-Cans
Cosmoline RP-342″Heavy” Rust Preventative Spray (Military-Grade) 6-Cans

$79.95
View Product
Product Highlights:

  • OUR STRONGEST, LONGEST-LASTING & FASTEST-DRYING Rust Preventive Aerosol, PERIOD! 1-coat can reliably protect any metal, steel, or iron surface (parts, equipment, tools, machinery, etc.) for Years!…..indoors or outdoors.
  • DURABLE & TOUGH – Will not crack, craze, blister, run or “wash off”. RP-342 produces a dry-to-the-touch (non-tacky), amber, translucent (see-through) petroleum wax coating that stands up to long-term salt spray, extreme temperatures and other harsh environments.
  • EASY-TO-APPLY: Just spray onto a dry surface, dries in about 25 minutes; You’re Done!
  • TRUSTED SINCE WWII – has been widely used & trusted by the U.S. Armed Forces, government agencies, commercial companies, and DIYers/consumers for generations.
  • 1,000s of APPLICATIONS across commercial and private industries. Vehicle undercoating is one of the most popular applications. Easily stands up to road salt, chemicals, road debris and won’t wash off like many other undercoating products. One application/coating can protect for years.
5

woolwax™ Auto/Truck Lanolin Undercoating 5 Gallon Pail. Black
woolwax™ Auto/Truck Lanolin Undercoating 5 Gallon Pail. Black

$229.00
View Product
Product Highlights:

  • Lanolin Woolwax auto / truck undercoat BLACK
  • WOOLWAX has almost no smell. Very proudly Made in USA !
  • Very thick and resistant to washoff.
  • Woolwax stays wet and is always active and creeping into inaccessible areas.
  • Very fast same day shipping on most orders (weekdays).
6

TCP Global Air Undercoating Spray Gun with Suction Feed Cup - Apply Sprayable Truck Bed Liner Coating, Rubberized Undercoat, Rust Proofing, Chip Guard Paint - Pneumatic Automotive Application Sprayer
TCP Global Air Undercoating Spray Gun with Suction Feed Cup – Apply Sprayable Truck Bed Liner Coating, Rubberized Undercoat, Rust Proofing, Chip Guard Paint – Pneumatic Automotive Application Sprayer

$34.99
View Product
Product Highlights:

  • Durable pneumatic air application gun that’s excellent for applying automotive rust proofing, rubberized undercoating, chip guard, truck bed liner and other general purpose coatings. Gun can be used with oil, solvent and water-based materials.
  • Precisely machined light weight well-balanced gun that can be used for applying different viscosity coatings and various textures. This gun is great for use applying Herculiner and all other single and two component sprayable truck bed liner coatings.
  • Applicator gun has a die-cast aluminum alloy body with an easy grip trigger handle.
  • Gun also includes a 25 ounce suction feed aluminum fluid cup with cup assembly.
  • Buy with confidence, if you’re not satisfied with this item at anytime within the first year of purchase, we’ll provide a refund or replacement.
7

woolwax™ Auto/Truck Lanolin Undercoating 5 Gallon Pail. Straw (Clear) Color.
woolwax™ Auto/Truck Lanolin Undercoating 5 Gallon Pail. Straw (Clear) Color.

$209.00
View Product
Product Highlights:

  • Lanolin Woolwax auto / truck undercoat Straw Color (Clear)
  • Woolwax has little to no smell. Very Proudly Made in USA !
  • Woolwax is very resistant to washoff and provides longer protection.
  • Woolwax stays wet and is always active and creeping into inaccessible areas.
  • Very fast same day shipping on most orders (weekdays).
8

3M 08881 6 Pack 16 oz. UnderCoating, Black
3M 08881 6 Pack 16 oz. UnderCoating, Black

$54.74
View Product
Product Highlights:

  • Undercoating provides a tough barrier and protects metal from road debris
  • An aerosol undercoating with smooth texture in two forms, paintable and non-paintable
  • Multi-purpose undercoating may be applied to cars, trucks and recreational vehicles
  • Hides welding marks and other repairs
  • Sound dampening properties help reduce road noise
9

Custom Coat Black 2 Gallon (8 Quart) Urethane Spray-On Truck Bed Liner Kit with Spray Gun and Regulator - Easy 3 to 1 Mix Ratio, Just Mix, Shake and Shoot It - Durable Textured Protective Coating
Custom Coat Black 2 Gallon (8 Quart) Urethane Spray-On Truck Bed Liner Kit with Spray Gun and Regulator – Easy 3 to 1 Mix Ratio, Just Mix, Shake and Shoot It – Durable Textured Protective Coating

$239.99
View Product
Product Highlights:

  • Professional Custom Coat Spray on Truck Bed Liner 2 Gallon Kit. Kit Includes: 8 – 24 fl. oz. Cans of Black Truck Bed Liner Base, 8 – 8 fl. oz. Cans Custom Coat Standard Hardener, and 1 Custom Coat Applicator Spray Gun with Regulator. Estimated coverage is 110 to 130 square feet @ 10 mils wet film thickness.
  • Custom Coat Truck Bed Liner is a premium durable long lasting textured protective coating that can tolerate extreme climatic temperature conditions. It is heat, UV resistant and waterproof, so it protects coated surfaces from rust. Use it to help dampen sounds and vibrations.
  • Custom Coat was developed to provide a great looking durable yet flexible textured surface and is a heavy duty 2 part urethane coating that is easy to apply. It provides the ultimate surface protection for almost any application. Unlike other protective and bed liner coatings Custom Coat is a flexible material that will resist chipping, while providing impact protection and abrasion resistance. These features and benefits make it perfect for its most popular application as a truck bed liner.
  • Custom Coat is a very versatile product that can be used for endless amount of applications. Use it on truck beds, entire vehicle exteriors, chassis, bumpers, commercial vehicles, equipment and trailers. It’s also great for home uses as non-skid coating for floors including garage floors, concrete, wood, steps, walkways, wood decks, docks, bath tubs, basement floors, walls, tool boxes and engine compartments.
  • Easily achieve professional results with our DIY Custom Coat Kit Packages. Kits are available in various sizes from 1 quart to 2 gallon. Kits are also available with either a Spray Applicator Gun or a Paint Roller Application Set. Custom Coat also offers Urethane Tint Concentrate in over 50 colors, so you can choose either a single color or use different colors to create your own multi-colored custom look or use the colors that will make a great camouflage pattern.
10

Fluid Film 5gal Pail NAS Rust Inhibitor Rust Prevention Anti Corrosion Anti Rust Coating Undercoating Underbody Rust Proofing Corrosion Protection for Truck Snow Blower Mower Car Semi Tractor Bus
Fluid Film 5gal Pail NAS Rust Inhibitor Rust Prevention Anti Corrosion Anti Rust Coating Undercoating Underbody Rust Proofing Corrosion Protection for Truck Snow Blower Mower Car Semi Tractor Bus

$180.40
View Product
Product Highlights:

  • POWERFUL PROTECTION. A unique lanolin-based corrosion preventive and lubricant. Solvent-free, non-toxic/non-hazardous thixotropic liquid. Long lasting, will not dry out and will penetrate to the base of all metals, painted surfaces and plastics
  • SUPERIOR LUBRICATION. Heavily corroded and/or frozen moving parts such as nuts, bolts, shafts, etc. that would normally be damaged during maintenance, can be salvaged by applying Fluid Film
  • SPECIAL FORMULA. Formulated from specially processed wool-wax, highly refined petroleum oils and selected agents to provide corrosion control, penetration, metal wetting and water displacement
  • WIDE APPLICATIONS. Used in the highly corrosive marine environment of ships and offshore drilling rigs, agriculture, automotive, aviation, boating, heavy marine, trucking, winter equipment, government facilities, industrial, manufacturing plants, recreation, lawn & garden and home
  • USE SAFELY. Fluid Film is highly recommended to protect your equipment from rust and corrosion. The product complies with the consumer product VOC limits of CARB, the US EPA and states adopting the OTC VOC rules. Does not contain any Proposition 65 chemicals

Video Overview

This is Why You NEVER Want to Use Rubberized Undercoatings!

In this video we show you a perfect example why you don’t want to use rubberized undercoatings like Ziebart! Instead use a product that breathes like Woolwax …

Final Words

So, these are all of the Best Truck Undercoatings available on the market. We hope this collection was helpful to find the right Truck Undercoating for the money. However, we recommend checking out the features, benefits, and problems of each of these Truck Undercoatings before taking your decision.