Part number 2391169 is a groove pin designed to secure components, maintain alignment, or act as a pivot point on compatible Elite and PowrLiner equipment. This precision‑engineered pin features longitudinal grooves that provide a press‑fit retention, preventing rotation or loosening under vibration and load. Replacing a worn, sheared, or missing groove pin restores proper component alignment, ensures reliable operation, and prevents damage to mating parts.
| Part Number | 2391169 |
|---|---|
| Part Description | Groove Pin |
| Brand | Elite / PowrLiner |
| Fits | Elite 3500 72v, 3000; PowrLiner 3000, 3500s (Suffixed unit), 3500 72v (Honda GXE) |
| Condition | New |
The 2391169 Groove Pin is a specialized fastening component used in various assemblies on compatible Elite and PowrLiner sprayers and line stripers. Its unique grooved design allows it to be pressed into a hole, where the grooves deform and create a tight, interference fit that resists rotation and loosening under dynamic loads.
Groove pins are commonly used as dowels for alignment, pivot pins for linkages, or as retainers for gears and other rotating components. Over time, pins can wear, shear, or become loose due to stress, vibration, or corrosion. A damaged or missing pin can lead to misalignment, increased wear on mating parts, and potential mechanical failure. Replacing the groove pin restores proper fit, alignment, and reliable operation.
| Component alignment | Precisely positions mating parts during assembly |
|---|---|
| Secure fastening | Provides interference fit that resists loosening and rotation |
| Load transmission | Transfers shear loads between connected components |
| Visible wear / shearing | Pin is worn, bent, or sheared |
|---|---|
| Loose fit | Pin no longer fits tightly in its hole |
| Corrosion / rust | Pitting or rust compromising pin integrity |
| Missing pin | Pin absent, leaving components unsecured |
Part number 2391169 is compatible with the following equipment models. Always confirm fitment using the correct parts diagram for your exact model and serial number.
| Brand | Model | Component |
|---|---|---|
| Elite | 3500 72v | Groove Pin |
| 3000 | Groove Pin | |
| PowrLiner | 3000 | Groove Pin |
| 3500s (Suffixed unit) | Groove Pin | |
| 3500 72v (Honda GXE) | Groove Pin |
Groove pin issues may involve associated components. When servicing the groove pin, these parts are commonly inspected or replaced at the same time.
Check the parts secured by the pin for wear or damage at the pin hole.
If the pin rotates within a bushing, inspect the bushing for wear.
Some groove pins may be used with retaining hardware; inspect for damage.
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