Graco 101391 Str Spring Pin
$13.60
In Stock
The Graco 101391 STR Spring Pin is a genuine OEM part used in select Graco 2:1 Ratio Standard Pumps and other fluid-handling assemblies to secure and align internal components with precision.
- Part Number: 101391
- Type: Straight Spring Pin (Tension Pin)
- Common Use: Alignment and retention of internal pump parts
- Included In: 207848 Repair Kit for earlier 2:1 Ratio Standard Pumps
- Compatibility: Legacy Standard-series and select fluid-handling assemblies
Quantity
Genuine OEM Part
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Compatible Machines — Graco 101391 Spring Pin
- Graco 2:1 Ratio Standard Pumps (earlier style) — uses 207848 Repair Kit which includes the 101391 STR Spring Pin.
- Graco fluid-handling/pump assemblies that explicitly list 101391 in the parts diagram or service manual (verify by model/serial).
- Legacy Standard-series pump variants where a straight spring pin retains/aligns internal components (confirm in the exploded view).
Product Overview
The Graco 101391 STR Spring Pin is a straight spring pin used as a retention/alignment element in select Graco pump and fluid-handling assemblies. It helps maintain correct positioning of moving parts under load and vibration, and is included in certain Standard-series pump repair kits (e.g., 207848).
| Attribute | Detail |
|---|---|
| OEM Part # | 101391 |
| Description | PIN, SPRING, STR (straight spring pin / tension pin) |
| Common Usage | Retention & alignment of internal pump components (e.g., valve, rod, linkage interfaces) |
| Included In | 207848 Repair Kit for certain 2:1 Ratio Standard Pumps (earlier style) |
| Fit Guidance | Match by model, serial range, and exploded parts diagram. Use only where 101391 is specified. |
When to Replace
- Pin shows wear, deformation, looseness, or corrosion.
- During a scheduled overhaul using kits that include a new pin (e.g., 207848).
- Any time alignment/retention of linked components is compromised.
Installation Tips
- Confirm the orientation and seating depth per your model’s service manual.
- Inspect mating bores/shafts for wear before installing the new pin.
- Use appropriate drivers; avoid mushrooming or over-expanding the pin.
Frequently Asked Questions
It may, only if your parts list specifies 101391 (or a repair kit that includes it). Always verify against the official parts diagram for your exact model and serial range.
Play or misalignment in the linkage, unusual vibration/noise, difficulty maintaining prime/pressure, or visible pin damage are common indicators. Replacement is recommended during full pump overhauls.
Use genuine OEM where possible. If a substitute is considered, it must match diameter, length, tolerance, and material hardness. Incorrect pins can loosen or damage mating components.
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