

Part 550-452 is a replacement trigger guard for the Airless LX-70 Inline Gun. The trigger guard surrounds the trigger mechanism, providing protection against accidental actuation while also shielding the trigger from impact damage during handling and use. When the trigger guard becomes cracked, bent, or broken, replacing this component restores proper safety protection and maintains the original ergonomic function of the spray gun.
| Part Number | 550-452 |
|---|---|
| Part Description | Trigger Guard |
| Brand | SprayTech |
| Fits | Airless LX-70 Inline Gun |
| Condition | New |
Part 550-452 is a replacement trigger guard specifically designed for the Airless LX-70 Inline Gun. The trigger guard serves both safety and protective functions on the spray gun assembly. Positioned around the trigger mechanism, the guard creates a physical barrier that helps prevent unintended trigger actuation when the gun is set down, carried, or handled during work transitions. This safety feature reduces the risk of accidental fluid discharge that could result in material waste, surface contamination, or potential injury from high-pressure spray. Beyond its safety role, the trigger guard also provides impact protection for the trigger mechanism itself. In professional painting and striping applications, spray guns are frequently set on surfaces, placed in racks, or subjected to incidental contact with equipment and structures. The trigger guard absorbs much of this impact, shielding the trigger and its internal pivot points from direct force that could cause bending, binding, or misalignment. The guard also contributes to the ergonomic feel of the gun, providing a natural reference point for hand placement during operation. Over time, trigger guards may become cracked from impact, bent from being caught on equipment, or broken completely during transport or storage. A damaged trigger guard compromises safety by leaving the trigger exposed to accidental actuation and may also affect the operator's grip confidence. Replacing a worn or damaged trigger guard restores the original safety characteristics, protects the trigger mechanism from further damage, and maintains the professional appearance of the spray gun assembly.
| Accidental actuation prevention | Creates a physical barrier around the trigger to reduce the risk of unintended spray discharge |
|---|---|
| Impact protection | Shields the trigger mechanism from direct impact that could cause bending or binding |
| Ergonomic reference | Provides a natural hand placement guide that contributes to comfortable gun operation |
| Cracked or broken guard | Visible cracks, fractures, or complete breakage that compromise structural integrity |
|---|---|
| Bent or distorted shape | Guard is bent out of original shape, affecting trigger clearance or safety function |
| Missing guard | Guard has been lost or removed, leaving the trigger exposed to accidental actuation |
| Loose mounting | Guard no longer mounts securely due to damaged mounting points or fasteners |
Part 550-452 is compatible with the Airless LX-70 Inline Gun. Confirm fitment by verifying the trigger guard matches the original configuration for your specific gun revision.
| Equipment Model | Component |
|---|---|
| Airless LX-70 Inline Gun | Trigger guard assembly |
When replacing the trigger guard or addressing gun safety concerns, these components are frequently inspected or replaced at the same time.
The trigger mechanism should be inspected for binding, wear, or damage that may have occurred while the guard was compromised.
The fasteners that secure the trigger guard to the gun body should be inspected for thread damage or corrosion.
The mounting area on the gun body should be inspected for damage that could affect secure trigger guard installation.