

Graco 164837 Gland, Pkg, Male — pump packing retainer that helps seal the piston/rod and reduce fluid leaks. Confirm by matching the part number in your sprayer’s manual.
The Graco 164837 Gland, Pkg, Male is a male gland packing component used in the pump section to retain and compress the packing set, helping seal the piston/rod and prevent fluid leaks. Always confirm with your machine’s parts list before ordering.
| Part Number | 164837 |
|---|---|
| Official Name | Gland, Pkg, Male |
| Function | Retains and compresses pump packings to seal around the piston/rod and reduce leakage. |
| Assembly Location | Displacement/pump packing stack (upper/packing retainer area depending on model). |
| Typical Signs It’s Due | Fluid weeping at the packings, inconsistent pressure, frequent pack-out adjustments. |
| Cross-Reference / Notes | Sometimes listed as “Gland, male” in parts diagrams; verify against your exact model bill of materials. |