High Pressure Gun Parts

The Carlisle 336419 air piston o-rings are the replacement seals for the air piston of the Carlisle ST1 spray foam gun. The ST1 is rated to 3,500 psi and 200°F fluid temperature.Features Genuine Carlisle o-rings Air piston size Pair with the 336370 rod and...

The Carlisle 336353 head is the main gun head (body block) of the Carlisle ST1 air-purge spray foam gun, sold on its own for rebuilding a gun with a damaged body. The ST1 is designed for single-tool field maintenance.Features Genuine Carlisle ST1 gun head...

The Carlisle 336370 rod and piston assembly is the replacement rod and air piston assembly for the Carlisle ST1 spray foam gun, the air-driven components that actuate the gun. The ST1's Ultra Onyx coated body is built for easier cleaning and longer life.Features Genuine...

The Graco 295709 cap screw is an 8-32 x 3/4 in. socket head cap screw used on the Graco GX-7 plural-component spray gun. Replace worn or lost screws with the correct Graco fastener to maintain proper clamping.Features Genuine Graco GX-7 fastener 8-32 x 3/4...

The Carlisle 336356 manifold screw secures the fluid manifold on the Carlisle ST1 air-purge spray foam gun. The ST1 accepts interchangeable mix chambers and tips for different flow rates and patterns.Features Genuine Carlisle part 336356 Secures the ST1 fluid manifold Replace stripped or lost...

The Graco 296970 manual valve assembly is the material shut-off valve on the coupling block of the Graco GX-7 plural-component spray gun. Closing the manual valves isolates the A and R materials at the gun for cleaning, maintenance or removing the gun from the...

The Carlisle 336361 fluid check valve assembly (B side) is the resin-side check valve for the Carlisle ST1 spray foam gun, the companion to the A-side 336360 valve. The ST1 accepts interchangeable mix chambers and tips for different flow rates and patterns.Features Genuine Carlisle...

The Carlisle 336360 fluid check valve assembly (A side) is the ISO-side check valve for the Carlisle ST1 air-purge spray foam gun. Check valves stop material from flowing backward, helping prevent crossover between the A and B sides. The ST1's Ultra Onyx coated body...

The Carlisle 336417 o-ring 2-pack seals the junction between the head and handle of the Carlisle ST1 spray foam gun. Replace them whenever the head is separated from the handle. The ST1 accepts interchangeable mix chambers and tips for different flow rates and patterns.Features...

The Carlisle 336735 spring is a genuine Carlisle replacement spring for the ST1 spray foam gun. The ST1's Ultra Onyx coated body is built for easier cleaning and longer life.Features Genuine Carlisle part 336735 Replacement spring Keep on hand for gun rebuilds Specifications Part...

The Carlisle 336375 side seal cartridge assembly (A, poly) is the A-side (ISO) side seal cartridge with a polymer side seal for the Carlisle ST1 air-purge spray foam gun. The cartridge design makes side seal changes quick in the field. The ST1 uses an...

The Carlisle 336413 o-ring 2-pack is the replacement o-ring set for the safety stop on the Carlisle ST1 spray foam gun. The ST1 uses an air-purge design with an integral air check valve to keep material out of the air passages.Features Genuine Carlisle o-rings...

The Carlisle 336453 mix tip 01 and drill bit pairs a size 01 ST1 mix tip with a matching cleanout drill bit for the Carlisle ST1 air-purge spray foam gun. The ST1 uses an air-purge design with an integral air check valve to keep...

The Graco 295695 button head cap screw (4-40 x 3/8 in.) is a genuine fastener for the Graco GX-7 400 spray gun. Replacing lost or stripped screws with the correct Graco part keeps components properly clamped.Features Genuine Graco fastener Button head profile Replace stripped...

The Carlisle 336736 lock arm is a genuine Carlisle replacement lock arm for the ST1 spray foam gun. The ST1 accepts interchangeable mix chambers and tips for different flow rates and patterns.Features Genuine Carlisle part 336736 Replacement lock arm Replace if bent, cracked or...

The Graco 295677 air needle valve meters air inside the Graco GX-7 plural-component spray gun. A bent or worn needle valve can cause uneven air flow, affecting how the gun purges and actuates.Features Genuine Graco GX-7 needle valve Restores precise air control Replace if...

The Graco 295663 front cylinder stop sits at the front of the air cylinder on the Graco GX-7 spray gun and limits the travel of the air piston. Correct piston travel keeps valving and purge timing consistent from trigger pull to trigger pull.Features Genuine...

The Graco 295689 spring seat locates and supports a spring inside the Graco GX-7 plural-component spray gun. A worn seat lets the spring shift, which can make trigger action uneven.Features Genuine Graco GX-7 spring seat Keeps the spring aligned Replace if cracked or worn...

The Graco 295692 spray gun trigger is the genuine replacement trigger for the Graco GX-7 plural-component spray gun used for spray foam and polyurea. A bent trigger can prevent full actuation or cause the gun to hang open.Features Genuine Graco GX-7 trigger Restores full,...

The Graco 514279 o-ring is a handle seal for the Graco GX-7 spray gun and is one of the o-rings in Graco's handle seal rebuild kit 296895. Buy it individually when only one seal needs replacing.Features Genuine Graco o-ring Seals the GX-7 handle air...

The Graco 296875 Cleanout Tool Module Kit is a genuine Graco kit that Graco lists as "Kit, Cleanout Tool, Module." Spray foam parts distributors list it with Graco GX-7 gun mix modules and cleanout tools.Features Genuine Graco kit, part number 296875 Graco description: Kit,...

The Graco 295688 valve retainer nut holds the spool valve components in the handle of the Graco GX-7 spray gun. A damaged nut can let the valve assembly shift or leak.Features Genuine Graco GX-7 retainer nut Secures the spool valve assembly Replace if threads...

The Graco 295669 socket head cap screw is a modified cap screw used in the assembly of the Graco GX-7 plural-component spray gun. Using the correct Graco screw keeps parts aligned and clamped as designed.Features Genuine Graco GX-7 fastener Modified socket head design specific...