20 Best Undercoat Spray Gun [2024]

Are you looking for the best undercoat spray gun? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling undercoat spray gun.

We Recommended:

# Preview Product
1 Woolwax Pro Undercoating Gun by Kellsport Woolwax Pro Undercoating Gun by Kellsport
2 TCP Global Air Rust Proofing and Undercoating Gun with Gauge & Suction Feed Cup, 2 Wands - 22' Long... TCP Global Air Rust Proofing and Undercoating Gun with Gauge & Suction Feed Cup, 2 Wands - 22"...
3 TCP Global Air Undercoating Spray Gun with Suction Feed Cup - Apply Sprayable Truck Bed Liner... TCP Global Air Undercoating Spray Gun with Suction Feed Cup - Apply Sprayable Truck Bed Liner...
4 Custom Shop Air Undercoating Spray Gun - Apply, Rubberized Undercoat, Rust Proofing, Chip Guard... Custom Shop Air Undercoating Spray Gun - Apply, Rubberized Undercoat, Rust Proofing, Chip Guard...
5 Astro 4538 Economy Air Undercoat Gun Astro 4538 Economy Air Undercoat Gun
6 PMT Undercoating Gun PMT Undercoating Gun
7 TOTMOX Global Air Undercoating Spray Gun - Apply Sprayable Truck Bed Liner Coating, Rubberized... TOTMOX Global Air Undercoating Spray Gun - Apply Sprayable Truck Bed Liner Coating, Rubberized...
8 Undercoating/Rustproofing Pro Plus Gun with Undercoating Wand Undercoating/Rustproofing Pro Plus Gun with Undercoating Wand
9 Chemicar Heavy Duty Siphon Undercoating Gun with Bonus Flexible 22' Undercoating Spray Wand Chemicar Heavy Duty Siphon Undercoating Gun with Bonus Flexible 22" Undercoating Spray Wand
10 woolwax 5 Gallon Undercoating Kit Bundle w/PRO Gun & 2 Wands. Straw (Clear) Color. woolwax 5 Gallon Undercoating Kit Bundle w/PRO Gun & 2 Wands. Straw (Clear) Color.
11 Kellsport Products Woolwax Undercoating Spray Gun with Extension Wand Kellsport Products Woolwax Undercoating Spray Gun with Extension Wand
12 TCP Global Air Undercoating Spray Gun - Apply Sprayable Truck Bed Liner Coating, Rubberized... TCP Global Air Undercoating Spray Gun - Apply Sprayable Truck Bed Liner Coating, Rubberized...
13 U-Pol Products 0726 GRAVITEX Spray Gun U-Pol Products 0726 GRAVITEX Spray Gun
14 KAGOR Air Undercoating Spray Gun with Suction Feed Cup, Professional Siphon Spray Gun with 500cc... KAGOR Air Undercoating Spray Gun with Suction Feed Cup, Professional Siphon Spray Gun with 500cc...
15 AutoHorizon Air Undercoating Spray Gun with Suction Feed Cup Apply Sprayable Truck Bed Liner... AutoHorizon Air Undercoating Spray Gun with Suction Feed Cup Apply Sprayable Truck Bed Liner...
16 Critter Spray Products 22032 118SG Siphon Gun Critter Spray Products 22032 118SG Siphon Gun
17 Air Undercoating Spray Gun with 750ml Suction Feed Cup, Apply Sprayable Truck Bed Liner Coating,... Air Undercoating Spray Gun with 750ml Suction Feed Cup, Apply Sprayable Truck Bed Liner Coating,...
18 PMT Undercoating Gun + Spray Wand Kit PMT Undercoating Gun + Spray Wand Kit
19 U-POL Products Gravitex Plus And Raptor Spray Gun (UPL-UP0726) U-POL Products Gravitex Plus And Raptor Spray Gun (UPL-UP0726)
20 Car Undercoating Gun Underbody Rust Proofing Chassis Armor Spray Gun and bottle Air Car Undercoating... Car Undercoating Gun Underbody Rust Proofing Chassis Armor Spray Gun and bottle Air Car...
Bestseller No. 1
Woolwax Pro Undercoating Gun by Kellsport
  • Adjustable nozzle for best flow
  • Includes 3 empty quart bottles
  • Includes 18" 360 degree extension wand
  • Includes 24" flexible extension wand
  • Specially designed for lanolin based corrosion inhibitors
Bestseller No. 2
TCP Global Air Rust Proofing and Undercoating Gun with Gauge & Suction Feed Cup, 2 Wands - 22" Long...
  • Durable pneumatic air application gun that's excellent for applying automotive rustproofing with the two wand nozzle extensions and rubberized...
  • Precisely machined light weight well-balanced gun. Can be used for applying different viscosity coatings and various textures. This gun is great for...
  • Gun includes 2 attachable 22" long flexible extension wands. One wand has a multi-directional nozzle for applying rustproofing coatings into...
  • Applicator gun has a die-cast aluminum alloy body with an easy grip trigger handle, plus an air pressure regulator with gauge. Gun also includes a 25...
  • 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.
Bestseller No. 3
TCP Global Air Undercoating Spray Gun with Suction Feed Cup - Apply Sprayable Truck Bed Liner...
  • Durable pneumatic air application gun that's excellent for applying automotive rust proofing, rubberized undercoating, chip guard, truck bed liner and...
  • Precisely machined light weight well-balanced gun that can be used for applying different viscosity coatings and various textures. This gun is great...
  • 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.
Bestseller No. 4
Custom Shop Air Undercoating Spray Gun - Apply, Rubberized Undercoat, Rust Proofing, Chip Guard...
  • Durable pneumatic air application gun that's excellent for applying automotive rust proofing, rubberized undercoating, chip guard, truck bed liner and...
  • Precisely machined light weight well-balanced gun that can be used for applying different viscosity coatings and various textures. This gun is great...
  • Applicator gun has a die-cast aluminum alloy body with an easy grip trigger handle, plus an air pressure regulator with gauge.
  • Note: Gun accepts 1 quart bottles and cans with 1.75 inch standard U.S. outside diameter threads. Gun does not fit 1 liter bottle threads.
  • 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.
Bestseller No. 5
Astro 4538 Economy Air Undercoat Gun
  • Applies a top quality undercoat to vehicles to fight rust and stone ships
  • Applies all popular brands of undercoat in any viscosity
  • Unit comes with 2 tubes: 3-1/4-inch Long with 5/16-inch ID and 7-1/4-inch Long with 1/4-inch ID
  • Quick disassembly for faster cleanups
  • Lightweight Weight 0.65-pound
Bestseller No. 6
PMT Undercoating Gun
  • Aluminum body with solvent resistant vinyl tank connector.
  • Adjustable Nozzle. Made in Italy.
  • Tank capacity: 1 liter Aluminum tank
  • Replacement Parts are Available
  • 1/4" NPT air connector. Working pressure: 40 - 80 PSI
Bestseller No. 7
TOTMOX Global Air Undercoating Spray Gun - Apply Sprayable Truck Bed Liner Coating, Rubberized...
  • ▶Durable pneumatic air application gun that's excellent for applying automotive rust proofing, rubberized undercoating, chip guard, truck bed liner...
  • ▶Precisely machined light weight well-balanced gun that can be used for applying different viscosity coatings and various textures.
  • ▶Applicator gun has a die-cast aluminum alloy body with an easy grip trigger handle.
  • ▶Function: allow chassis armor underbody coating to be evenly sprayed on car chassis for rust proofing
  • ▶All of our products are subject to strict quality control. If there are quality problems or you are not satisfied with the products, please contact...
Bestseller No. 8
Undercoating/Rustproofing Pro Plus Gun with Undercoating Wand
  • Die cast aluminum body, aluminum tank and stainless steel needle
  • Includes rustproofing wand with mist wand and held hand attachments. UCPRO+ includes undercoating wand.
  • Designed for industrial use yet easy to use for hobbyists or do-it-yourselfers.
  • Air Consumption: 7-10 CFM. Working Pressure: 60 - 90 PSI. Tank capacity: 1 liter
Bestseller No. 9
Chemicar Heavy Duty Siphon Undercoating Gun with Bonus Flexible 22" Undercoating Spray Wand
  • Featuring a large intake tube (9.5 mm) and wide mouth fill tank, the RA/M undercoating gun makes applying undercoating, rustproofing, bedliners and...
  • Designed with durability, comfort and ease in mind, this heavy duty siphon undercoating gun is equipped with an ergonomic solvent resistant handle and...
  • Spray many different products ranging from undercoating (wax, water or bitumen based), cavity coating (wax based) to stone chip protection (rubber,...
  • With its adjustable nozzle, the RA/M offers different spraying textures ranging from fine mist to more pronounced textured finishes. Included with the...
  • Ergonomic solvent resistant handle. Wide mouth fill tank. Body: Die cast: Zn + Al + Mg Alloy. Tank: Aluminum 1 Liter. Weight: 1.5 lbs. Noise level:...
Bestseller No. 10
woolwax 5 Gallon Undercoating Kit Bundle w/PRO Gun & 2 Wands. Straw (Clear) Color.
  • Bundled and available only from Kellsport Products
  • Woolwax is thicker and longer lasting than any other lanolin undercoat.
  • Woolwax Stays wet and is always creeping into inaccessible areas. Includes Authentic PRO Spray Gun with wands
  • Woolwax is the worlwide standard in corrosion protection
  • Commercial strength corrosion inhibitor for cars and trucks
Bestseller No. 11
Kellsport Products Woolwax Undercoating Spray Gun with Extension Wand
  • Developed to Spray Woolwax Undercoating
  • Comes with 14" extension wand (open end)
  • Includes (2) Woolwax quart bottles.(empty)
  • Very fast same day shipping on most orders (weekdays).
  • This is an excellent economy spray gun.
Bestseller No. 12
TCP Global Air Undercoating Spray Gun - Apply Sprayable Truck Bed Liner Coating, Rubberized...
  • Durable pneumatic air application gun that's excellent for applying automotive rust proofing, rubberized undercoating, chip guard, truck bed liner and...
  • Precisely machined light weight well-balanced gun that can be used for applying different viscosity coatings and various textures. This gun is great...
  • Applicator gun has a die-cast aluminum alloy body with an easy grip trigger handle, plus an air pressure regulator with gauge.
  • Note: Gun accepts 1 quart bottles and cans with 1.75 inch standard U.S. outside diameter threads. Gun does not fit UPOL or Custom Coat branded 1 liter...
  • 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.
SaleBestseller No. 13
U-Pol Products 0726 GRAVITEX Spray Gun
  • Made in Britain
  • Screws directly onto plastic bottle for Raptor and Gravitex Plus
  • Dimensions: 8.5L inches x 2.17H inches x 7.09W inches
Bestseller No. 14
KAGOR Air Undercoating Spray Gun with Suction Feed Cup, Professional Siphon Spray Gun with 500cc...
  • 【DURABLE】Pneumatic air application gun that's excellent for applying automotive rust proofing, rubberized undercoating, chip guard, truck bed...
  • 【EASY TO USE】Air pressure adjustment, clockwise rotation of the adjusting screw to reduce the air volume, counterclockwise rotation to increase...
  • 【EXCELLENT ATOMIZATION】 The side-mounted gravity cup can be rotated 360 degrees and can be sprayed at various angles to achieve high transmission...
  • 【SAVE MONEY】Specific spray range control, spray range knob adopts special non-slip design, fine spray control, save material cost.
  • 【APPLICATION】Precisely machined light weight well-balanced gun that can be used for applying different viscosity coatings and various textures.
Bestseller No. 15
AutoHorizon Air Undercoating Spray Gun with Suction Feed Cup Apply Sprayable Truck Bed Liner...
  • Die-cast aluminum alloy gun body with an easy grip trigger handle.
  • Maximum Pressure: 120 psi (8 Bar), Recommended Pressure: 56-100 psi (4-7 Bar), Air Inlet: 1/4 inch NPS.
  • Gun also includes a 25 ounce suction feed aluminum fluid cup with cup assembly.
  • Excellent for Automotive Undercoatings, automotive rust proofing, rubberized undercoating, chip guard, truck bed liner and other general purpose...
  • Precisely machined light weight well-balanced gun that can be used for applying different viscosity coatings and various textures. This gun is great...
SaleBestseller No. 16
Critter Spray Products 22032 118SG Siphon Gun
  • Compressor-mounted spray gun kit; requires 3 cfm at 90 psi
  • Attaches to Mason jars filled with paints, stains, lacquers, and more
  • Comes with glass Mason jar and metal spray gun
  • Includes siphon gun, tube, 16-ounce Mason jar, jar gasket, and instructions
  • Fits standard 16-ounce Mason jar--easily adaptable to fit other jars
Bestseller No. 17
Air Undercoating Spray Gun with 750ml Suction Feed Cup, Apply Sprayable Truck Bed Liner Coating,...
  • ▶Durable pneumatic air application gun that's excellent for applying automotive rust proofing, rubberized undercoating, chip guard, truck bed liner...
  • ▶Precisely machined light weight well-balanced gun that can be used for applying different viscosity coatings and various textures. This gun is...
  • ▶Suitable to handle a wide range viscosity of water or oil based material for general purpose.
  • ▶Spray width and fluid adjustable. Works great with Herculiner and all other Sprayable Truck Bed Liners
  • ▶Gun also includes a 750ML suction feed aluminum fluid cup with cup assembly.
Bestseller No. 18
PMT Undercoating Gun + Spray Wand Kit
  • Aluminum body, adjustable nozzle, solvent resistant vinyl tank connector and aluminum tank
  • Tank capacity: 1 liter, Working pressure: 40 - 80 PSI, Weight: 1 lb. 3 oz. 1/4" NPT air connector
  • Rustproofing wand to atomize rustproofing in hollow beams, cavities and inside doors.
  • Undercoating wand to spray undercoating in hard to reach places, i.e., behind mufflers and around exhaust pipes. Depending on the viscosity of the...
  • Purchase includes 1 Undercoating Gun and set of 2 Extension Wands (Rustproofing 32" wand and Undercoating 24" wand with M11 x0.75 thread)
Bestseller No. 19
U-POL Products Gravitex Plus And Raptor Spray Gun (UPL-UP0726)
  • Unique Direct To Metal Coating That Matches The Color And Gloss Of Factory Primer And E-Colors
Bestseller No. 20
Car Undercoating Gun Underbody Rust Proofing Chassis Armor Spray Gun and bottle Air Car Undercoating...
  • ▶Durable pneumatic air application gun that's excellent for applying automotive rust proofing, rubberized undercoating, chip guard, truck bed liner...
  • ▶Precisely machined light weight well-balanced gun that can be used for applying different viscosity coatings and various textures. This gun is...
  • ▶Suitable to handle a wide range viscosity of water or oil based material for general purpose.
  • ▶Spray width and fluid adjustable. Works great with Herculiner and all other Sprayable Truck Bed Liners
  • ▶Gun also includes a 750ML suction feed aluminum fluid cup with cup assembly.

Having trouble finding a great undercoat spray gun?

This problem is well understood by us because we have gone through the entire undercoat spray gun research process ourselves, which is why we have put together a comprehensive list of the best undercoat spray guns available in the market today.

After hours of searching and using all the models on the market, we have found the best undercoat spray gun for 2023. See our ranking below!

How Do You Buy The Best Undercoat Spray Gun?

Do you get stressed out thinking about shopping for a great undercoat spray gun? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching undercoat spray gun, which is why we have assembled a comprehensive list of the greatest undercoat spray gun available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for undercoat spray gun that you consider buying. Your questions might include the following:

  • Is it worth buying an undercoat spray gun?
  • What benefits are there with buying an undercoat spray gun?
  • What factors deserve consideration when shopping for an effective undercoat spray gun?
  • Why is it crucial to invest in any undercoat spray gun, much less the best one?
  • Which undercoat spray gun are good in the current market?
  • Where can you find information like this about undercoat spray gun?

We’re convinced that you likely have far more questions than just these regarding undercoat spray gun, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for undercoat spray gun, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible undercoat spray gun. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an undercoat spray gun buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available undercoat spray gun currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of undercoat spray gun has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an undercoat spray gun?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your undercoat spray gun.
  5. Customer Ratings: Number ratings grade undercoat spray gun objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their undercoat spray gun.
  7. Product Quality: You don’t always get what you pay for with an undercoat spray gun, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an undercoat spray gun is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining undercoat spray gun information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding undercoat spray gun is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

Related Post:

FAQ:

Q: What spray gun to buy?

A: It’s a lightweight spray system. It’s ideal for projects that last longer. It’s easy for painting as there are separate controls for patterns. It’s a high-quality paint spray gun. It’s durable as it has a very strong metal frame. This is the best choice for beginners to use as it’s easy to operate.

Q: Can you spray lacquer over an undercoat?

A: You should try and get hold of a small pack of Micromesh polishing cloths for polishing your undercoat before spraying your metallic lacquers – it’s good to have a smooth finish; Preparation is everything! Your prep needs to be as flawless as you can get it or any joins, seams, heavy sanding, filling work may become visible on your finished model.

Q: What does a spray gun do?

A: Spray gun, painting tool using compressed air from a nozzle to atomize a liquid into a controlled pattern. The spray nozzle operates by impinging high-velocity turbulent air on the surface of filaments or films of liquid, causing them to collapse to droplets with a wide range of sizes.

Q: Which spray gun for Cerakote?

A: scubajosh77. Have heard some just use an airbrush,have heard others use larger HVLP guns. … David Panciotti. Having one of each is ideal. … scubajosh77. I’ve already got a water filter on my compressor. … Bob T Fattman. Hope to see pics when you start. … JKRacing64. … David Panciotti. … rgv. … redcreek. … Greyhoundman. …