Undercoating Spray Gun Kit with 360° Cavity Wax Wand
Undercoating Spray Gun Kit with 360° Cavity Wax Wand and Regulator Metal canister, pressure gauge and straight wand for underbody, frame rail and cavity coating applications
- PNEUMATIC SUCTION-FEED SYSTEM – Connects to an air compressor and draws compatible undercoating or cavity wax from the metal canister. Air compressor and coating material are not included.
- 360° CAVITY WAND AND STRAIGHT WAND – Use the 360° radial-spray wand inside frame rails, rocker panels and door cavities; use the straight wand for vehicle underbodies and other accessible surfaces.
- ADJUSTABLE AIR AND MATERIAL FLOW – The pressure regulator with gauge helps monitor inlet pressure, while the adjustable brass nozzle supports material-flow adjustment for compatible coating viscosities. Test spray settings before use.
- COMPLETE UNDERCOATING GUN KIT – Includes the pneumatic spray gun, metal canister, pressure regulator with gauge, 360° cavity wand, straight wand, quick-connect fittings and cleaning brush.
- IMPORTANT H827 COMPATIBILITY NOTE – The separate 1.4 mm needle, fluid nozzle and air cap are for a compatible H827 paint spray gun only. They do not attach to or fit the undercoating spray gun in this kit. H827 spray gun not included.
Professional Undercoating Spray System Precision components and adjustable spray control for rustproofing, cavity wax, undercoating, and automotive coating applications.
Replaceable 1.4mm Needle Cap Kit
Includes a replaceable needle, nozzle, and air cap assembly for consistent material flow and precise spray performance. The removable design also makes cleaning and maintenance easier.
Adjustable Spray Control
The pressure gauge, airflow regulator, and adjustment knob provide better control over spray pressure and material output for different automotive coating tasks.
Flexible Spray Wands
Two extension wands support multiple spraying needs. The 360° wand distributes coating inside cavities, while the straight wand delivers focused spray to specific areas.
Stainless Steel Canister
The durable stainless steel canister features a secure sealing lid and reinforced carrying handle for reliable material storage, convenient handling, and repeated workshop use.
Complete Spray Gun Kit for Professional Automotive Coating
Pneumatic spray gun
Stainless steel canister
1.4mm needle cap kit
Pressure regulator
2 Quick Air Couplers
Two flexible spray wands
Cleaning brush
Versatile Applications
Title: Versatile Automotive Coating Applications
Designed for a wide range of automotive coating jobs, this spray gun is ideal for applying undercoating to vehicle chassis, rustproofing inside frames, spraying cavity wax into doors and rocker panels, and coating truck beds or other metal surfaces. The flexible spray wands help reach narrow, recessed, and hard-to-access areas for more even coverage.
| Feed Type | Suction Feed |
| Needle/Nozzle Size | 2.0mm, 1.4 mm |
| Canister Material | Stainless Steel |
| Air Connection | Quick-Connect Air Inlet |
| Spray Wand Type | Flexible Cavity Wand / Straight Wand |
| Applications | Undercoating, Rustproofing, Cavity Wax, Truck Bed Coating |
| SKU: | B0H6G5NHV2 |
| Weight: | 1.79 pounds |
| Dimensions: | 9.2 x 5.7 x 4.6 inches |
| Brand: | Generic |
| Model: | USGKS56 |
| Manufacture: | Generic |
Product description




Title: Versatile Automotive Coating Applications
Designed for a wide range of automotive coating jobs, this spray gun is ideal for applying undercoating to vehicle chassis, rustproofing inside frames, spraying cavity wax into doors and rocker panels, and coating truck beds or other metal surfaces. The flexible spray wands help reach narrow, recessed, and hard-to-access areas for more even coverage.
| Feed Type | Suction Feed |
| Needle/Nozzle Size | 2.0mm, 1.4 mm |
| Canister Material | Stainless Steel |
| Air Connection | Quick-Connect Air Inlet |
| Spray Wand Type | Flexible Cavity Wand / Straight Wand |
| Applications | Undercoating, Rustproofing, Cavity Wax, Truck Bed Coating |






