Graco 101529 Bolt
$18.80
In Stock
The Graco 101529 Bolt is a genuine OEM hex-head fastener used in specific Graco displacement pump assemblies. Built with a pre-applied nylon patch to prevent loosening during operation.
- Thread: 3/8-16 UNC
- Length: 2-3/4 in (70 mm)
- Type: Hex Head Screw with Nylon Lock Patch
- Fits: Graco 223-177 (Series D) Displacement Pump
Quantity
Genuine OEM Part
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Compatible Machines
- Graco Displacement Pump Model 223-177 (Series D)
If your sprayer’s parts list explicitly references 101529, this part will be compatible with that unit’s pump assembly. Always confirm against your machine’s official parts manual.
Part Overview
The Graco 101529 Bolt (listed by Graco as a SCREW, hex head) is a vibration-resistant fastener with a pre-applied nylon locking patch used in specific displacement pump assemblies.
| Specification | Detail |
|---|---|
| Graco Part | 101529 |
| Type | Hex head screw / bolt with nylon locking patch |
| Thread Size | 3/8-16 UNC (coarse) |
| Length | 2-3/4 in (≈70 mm) |
| Typical Location | Displacement pump assembly (fastening in the fluid end / rod cap area) |
Key Highlights
- OEM Graco fastener for reliable fit and clamp load.
- Pre-applied nylon patch helps resist loosening under vibration.
- Correct 3/8-16 coarse thread for the specified pump assembly.
Frequently Asked Questions
It is an OEM Graco fastener with a pre-applied nylon locking patch and specific length/thread spec (3/8-16 × 2-3/4"). For safety and longevity, use the OEM part when your manual calls for 101529.
Check your sprayer’s manual / parts list. If the list references 101529 for your pump assembly (or your unit uses the 223-177 Series D displacement pump), this is the correct replacement.
The factory nylon patch provides resistance to loosening. Do not add chemical threadlocker unless explicitly directed by the Graco service manual for your model.
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