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Woolwax PRO Undercoating Sprayer Kit – Rust Protection Made Easy

27 Review(s)
Questions about this item? Be the first to ask here.
Your Price: $119.50
Part Number: wwprogun
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Feature: 116

Accessories

Woolwax Air Regulator

$22.50

Extra 1 Quart Bottle & Cap (empty)

$7.95

Woolwax Gift certificate. Available in any amount.
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Woolwax PRO Undercoating Sprayer

Fastfree same-day shipping (weekdays). Order now and you’ll get a tracking number shortly.

Get pro results with the Woolwax PRO Applicator—the sprayer designed and internally modified to apply Woolwax lanolin undercoating quickly and evenly. Easy to use, easy to cleanand built to last.

What’s in the box

  • Woolwax-modified spray gun with adjustable flow
  • (3) clear quart bottles with caps
  • 24" flexible open-end wand
  • 18" flexible 360° extension wand (ideal length for Woolwax)
  • European made • Modified & assembled in the USA

Why you’ll love it

  • Made for Woolwax: Internal mods deliver a smootheven coat
  • Less messmore coverage: Adjustable nozzle controls flow
  • No harsh cleanup: Woolwax can simply sit in the bottle; just shake to re-use
  • Built to work: Durable fittings and easy quick-connect setup

Quick setup

  • Compressor: 70–90 PSI works best (125 PSI is fine)
  • Tank size: use at least 3 gallons to prevent pressure drop-off
  • Tip: add a small in-line air regulator ($10–$17) to keep pressure steady at the gun
  • Connection: standard 1/4? fitting at the bottom of the handle—attach a male quick-connect and go

Good to know

  • The optional 32? 360° wand can struggle with thicker products; 18? is the sweet spot for Woolwax
  • No cleaning required after spraying Woolwax—just shake before the next use
  • If you prefer to cleanflush with vegetable oil (linseedsoybeanetc.)

Undercoating Spray Applicator Guide (PDF)
? Watch the Woolwax PRO Sprayer Demo
? Woolwax PRO Gun Repair Video

Rating Snapshot

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Average Customer Ratings

4.9

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Rust proofing gun
Works like they said it would. Sprays the wool wax very nice . Wish the rubber hoses where longer but a great product
Did you find this helpful?  5 of 5 Found Helpful
Reviewed by:  from Grove city on 10/23/2019
5
Good spray gun!
As my first time applying a product such as Woolwaxi went for the spray gun that had some decent options and accessories. This one in particular looked like it would work well and I feel that it performed just right. I was even able to apply the Woolwax black product on a 50* day without any issues. I'm looking forward to spraying the rest of my cars.
Did you find this helpful?  5 of 5 Found Helpful
Reviewed by:  from TallmadgeOH on 3/3/2020
5
Customer review
About 1 month ago I purchased the pro series spray gunPSI regulator and 2 wand set to spray Woolwax black on my vehicles. When I received the items there was no male nipple hose adapter provided. Buyers be aware out of the box it is not plug and play. After installing the hose adapter I found the spray gun worked as described in 50 degree climate. A day later I attempted to spray in 25 degree weather and had issues with the Woolwax solution thickening. Once the solution began solidifying the spray thickness became inconsistent and blotchy. When in warmer weather I found the air regulator accessory a good purchase. The regulator helped eliminate overspray and provided a consistent spray thickness. My vehicles now look like they were professionally sprayed. My only gripe is that the 24 inch wand broke within 15 minutes of me using it. The hose popped off the “tail end” and would not hold a seal after reconnecting it. I resolved the issue by cutting the wand shorter and reconnected the tail endwhich then held its seal. Overall I am happy with the purchase.
Did you find this helpful?  5 of 7 Found Helpful
Reviewed by:  from MAGAUSA on 12/12/2020
4
Pro spray gun
Works really really well I warm the bottles with woolwax in microwave for 30-40 secs and spray away.
Did you find this helpful?  4 of 4 Found Helpful
Reviewed by:  from Franklin PA on 9/1/2023
5
Machinist
Worked awesometook about 1- 1/2 hours to do my heavy duty truck and had no problems with the gun. I would recommend this product to anybody that wants to save time money and your machine!
Did you find this helpful?  3 of 3 Found Helpful
Reviewed by:  from Wisconsin on 11/29/2023
5
Ideal for undercoating
This pro gun makes undercoating a piece of cake. The gun itself works exceptionally well and is lightbut solidand easy to use. On and off the trigger results in immediate bursts of spray. The bottles are great and it's always good to have a few handy so when you're under the vehicle and run outyou can have more ready to thread on. The wands work really good and make it easy to coat the inside of the frame with the 360 tip. Even the straight through wand is really handy when you want or need a less atomized spray. The wands are sturdy but pretty flexible. Just be sure not to over bend (kink) them or the pressure vent on the gun will burp its contents. Easy to avoid this though. The only enhancement I'd love to see is a quick release option for the wands. I know the pressure pot version has them but I'd love to see it added to the pro setup.
Did you find this helpful?  2 of 2 Found Helpful
Reviewed by:  from MN on 6/12/2023
5
Did it myself
I had done my homework and found that Woolwax is one of the top undercoating products on the market so I began looking for a contractor to do our 3 vehicles,I could not as all local contractors were booked atleast 6 months out so I ordered the Progun and 3 gal of the black undercoating and did them all myself,easy to spray and control gun with the wands,able to hit those hard to reach places and superior coverage,it also looks great,I taped off areas I did'nt want touched,It was in the 40's when I sprayed so I warmed my undercoating by sitting it in front of the fireplace prior.Great product and quality.
Did you find this helpful?  2 of 2 Found Helpful
Reviewed by:  from Orchard Park,NY on 12/20/2023
5
Great product
Works great very satisfied
Did you find this helpful?  1 of 1 Found Helpful
Reviewed by:  from Taberg NY on 6/22/2024
5
Works as it should
Every worked good except the extension wands had to be modified because they kept falling apart
Did you find this helpful?  1 of 1 Found Helpful
Reviewed by:  from Germantown on 11/20/2020
4
Great applicator
Worked perfect for the DIY specialist. Wish the supplied extensions were a little smaller diameter to reach the hard to get toosmall access points in the rear fenders. Other than that.. worked flawlessly.
Did you find this helpful?  1 of 1 Found Helpful
Reviewed by:  from IRONTON on 10/18/2021
5
Pro gun
Gun worked great used it with their air regulator too only issue i had was with the 360 degree nozzle it barely puts out any wax i have zero confidence it got enough isnide frame and rockers with it and i did exactly as instructed other nozzles worked great though sprayed on thick and quick
Did you find this helpful?  1 of 1 Found Helpful
Reviewed by:  from Ohio on 1/11/2023
4
Owner
I purchased this to undercoat vehicles with before I was finished with my first vehicle I figured out how to make the adjustments with the nozzle and pressure the ones with the 360° tip did not work so well still trying to dial it in overall the gun works great I would buy another one
Did you find this helpful?  1 of 2 Found Helpful
Reviewed by:  from Maine on 3/4/2021
4
Aerospace PM
Very happy with this product. First purchased a different sprayer and it only lasted an hour. Can stripped out and trigger bent to side. When I received this one I sprayed a gallon and didn’t have any problems. 5 stars so far.
Did you find this helpful? 
Reviewed by:  from Michigan on 2/22/2023
5
Tree Service
Great kit! I’ve got at fleet of trucks and equipment to treat. Already did a few plow rigs. Sprays good! Quality components and these guys have the longest hose whip available. What a value with the 3 pots u can keep going and I’d rather support a biz in my home state.
Did you find this helpful? 
Reviewed by:  from PeabodyMA on 1/6/2023
5
2005 GMC SIERRA BODY COATING
GREAT PRODUCT FOR A GREAT PRICE. WORKS GREAT AS INSTRUCTIONS SAID. EASY TO USE . CLEANS UP EASY WITH WATER AND AIR HOSE . WILL RECOMMEND TO ANYONE TRYING TO GET THE LONGEST LIFE OUT OF YOUR TRUCK AS POSSIBLE.
Did you find this helpful? 
Reviewed by:  from Saint Charles on 6/23/2024
5
Undercoating Applicator
Fantastic customer service and a pleasure to deal with. Sprayer functions greatand being able to purchase replacement parts is a massive positive. I'd recommend purchasing the regulator through woolwax as well to easily set the pressure to the gun.
Did you find this helpful? 
Reviewed by:  from Massachusetts on 10/14/2024
5
works!
Worked greatjust had to play with the spray nozzle setting to get it right!
Did you find this helpful? 
Reviewed by:  from IL on 12/3/2024
5
Pro Sprayer
This is my first experience undercoatingbut it seemed easy enough so I jumped in. I’m very happy with the quality of the sprayer. I warm the bottles of Wool Wax in hot water before I spray to thin them out a little. I have no issue spraying inside my heated garage all winter long. The product doesn’t drip and only goes where you spray itso the mess is very minimal.
Did you find this helpful? 
Reviewed by:  from Pennsylvania on 12/9/2024
5
Great product
I initially bought a case of the aerosol canswhich worked well on my other vehicles. ButI bought a new Canyon and decided to buy the Pro gun2 wands4 full quart containersand a 2.5 gallon jug of the Black WoolWax. The gun works great and puts the product on twice as fast. The gun also puts the product on more smoothly. In totalI had 3.5 gallons of the product and was able to do my new Canyonmy father-in-law's Silveradoand my buddy's 2008 Silverado. If you live in a region that gets snow fall and sees road saltor de-icing chemicalsdo yourself a favor and buy the gun. The aerosol cans are great for small jobs (ATV'strailersetc)but the gun really is a step above the aerosol cans to do a vehicle.
Did you find this helpful? 
Reviewed by:  from Western PA on 5/6/2025
5
Works good
This setup is a must have. Easy to use. I question the longevity of the hose/brass piece connection. My brother has either a older version or a competitors that has slightly stiffer white hoses that seem more secure. I have sprayed 2 gallons through it so fardoes a good job.
Did you find this helpful? 
Reviewed by:  from Iowa on 10/20/2025
5
Good product
Used this spray gun with a gallon of Woolwax black. Works exactly as described. Kinda wish it came with the male threaded compressor adapter but performance-wiseno complaints.
Did you find this helpful? 
Reviewed by:  from Vermont on 10/22/2025
5
A Must buy
Don’t have anything to compare this with but I’m happy. I have a harbor freight 29 gallon Air Compressor. I used this sprayer on a 50 degree day running 90 Psi and had no issues. The Gun appears to be High quality and I chose this over the cheaper ones as seen on Amazon. You know what they say Buy once Cry onceDo it right the first time.
Did you find this helpful? 
Reviewed by:  from Wisconsin on 11/8/2023
5
Pro gun review
I purchased the pro gun kit to spray my Jeep. I wanted to do the job myself since I do all of the work on my Jeep. I was very impressed with the quality and the price and also the ease of operation. I called customer service about the way to clean the gun and was pleased with how I was taken care of.
Did you find this helpful? 
Reviewed by:  from Ohio on 11/17/2023
5
Owner
Gun and wands worked great
Did you find this helpful? 
Reviewed by:  from WV on 12/3/2023
5
Great Quality
I bought the PRO gun because I'm kinda tired of buying cheap Asian productsand although I don't plan on using this frequentlyI do expect to be using it for the next 20 years. The quality does appear to be inline with the price. I'm not familiar with spray gunsso this may be obvious to some. There is a hole on the top of the portion of the gun that the undercoating containers thread intoso if the gun is tilted at an extreme angle or tipped on it side for too long there will be a mess of WW flowing out from the hole. Not a big dealjust not noted anywhere that I'm aware of.
Did you find this helpful? 
Reviewed by:  from Wisconsin on 12/10/2023
5
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