Graco 100104 Pin
$7.30
Available to Order
Graco 100104 Pin is a durable cotter pin used to secure key components in Graco pumps and stripers. It ensures safe locking and prevents fasteners from loosening during operation.
- Part Type: Cotter Pin
- Size: 1/8″ × 1.75″
- Fits: LineLazer IV 250SPS, 250DC, Bulldog & King Pumps
- Prevents mechanical loosening and enhances reliability
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
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Overview & Compatibility — Graco 100104 Pin (Cotter)
Compatible Machines
This cotter pin is listed in official Graco parts manuals for the following equipment:
- LineLazer IV 250SPS self-propelled line striper (parts list item: 100104 PIN, cotter).
- LineLazer IV 250DC self-propelled line striper (parts list item: 100104 PIN, cotter).
- Bulldog & King drum-length pump assemblies (selected builds; spec calls out 0.125″ dia. × 1.75″ long).
Key Details
| Graco Part # | 100104 |
|---|---|
| Common Name | Pin (Cotter) |
| Dimensions (per manuals) | Ø 0.125″ (3.2 mm) × 1.75″ (45 mm) long |
| Typical Use | Mechanical retention/locking for shafts, linkages, wheels, or assemblies (prevents fasteners from backing out). |
| Where It Appears | Parts diagrams for LineLazer IV 250/250SPS/250DC and selected Bulldog/King pump assemblies. |
Frequently Asked Questions
It matches the 1/8″ (3.2 mm) diameter and 1.75″ length specified in Graco manuals. While many generic pins share those dimensions, use the OEM part when exact fit/retention and compliance are required.
Official parts manuals for the LineLazer IV 250SPS and LineLazer IV 250DC show item “100104 PIN, cotter”. Always cross-check your exact model code/series and serial range.
Yes—certain Bulldog/King drum-length pump assemblies list 100104 with the 0.125″ × 1.75″ spec. Check the serial-specific parts list for your exact build to confirm.
Insert the straight leg through the pre-drilled hole, then bend/separate the ends to lock. Replace bent or fatigued pins during service; do not reuse a damaged cotter pin.
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