Please wait while we process your order...

Free Shipping on Qualifying Orders Fast Shipping — Most Orders Ship Same Business DayOrder by 1 PM CST for fastest dispatchCall +1 713-931-4102

Graco 125919 Key Parallel Square 1/4

$11.80
In Stock
Part #: 125919

The Graco 125919 parallel square key secures rotating components to the shaft, ensuring precise torque transfer and smooth operation for Graco self-propelled line stripers.

  • 1/4" parallel square key for accurate fit
  • Prevents slippage of rotating parts
  • Durable metal construction for long-lasting use
  • OEM replacement for Graco part number 125919
  • Compatible with 250SPS, 250DC, and HP Reflective series
Quantity
Buy Now
Genuine OEM Part Fast Shipping (Order by 1 PM CST) Easy Returns

Graco 125919 Parallel Square Key (1/4") Overview

Compatible Machines

  • Graco LineLazer V 250SPS (Self-Propelled)
  • Graco LineLazer V 250DC (Dual-Color, Self-Propelled)
  • Graco LineLazer V 250SPS HP Reflective Series
  • Graco LineLazer V 250DC HP Reflective Series

Product Description

The Graco 125919 parallel square key (1/4") is a precision-machined component for Graco self-propelled line stripers. It securely locks rotating parts to the shaft, preventing slippage and ensuring consistent power transfer for smooth operation.

Key Features

  • 1/4" parallel square key for accurate fit on Graco shafts
  • Precision-engineered to prevent rotational slippage
  • Durable metal construction for long-lasting use
  • OEM replacement part — exact match for Graco part number 125919
  • Ensures reliable torque transfer in drive assemblies

Benefits of Installation

  • Secures rotating components to maintain consistent operation
  • Reduces wear on drive shafts and associated parts
  • Improves reliability and efficiency of striping machines
  • Maintains OEM compliance and performance standards

Installation & Maintenance Tips

  • Ensure the shaft and keyway are clean and free of debris
  • Align key properly before securing components
  • Use appropriate tools to avoid damaging the key or shaft
  • Check periodically for wear or movement during maintenance
  • Replace immediately if signs of deformation or wear appear

Frequently Asked Questions

A parallel square key secures rotating components to the shaft, preventing slippage and ensuring reliable torque transfer for consistent machine operation.

This key is compatible with Graco LineLazer V 250SPS, 250DC, and their HP Reflective series.

Inspect during routine maintenance for deformation, wear, or slippage. Replace immediately if any signs of damage are observed to prevent machine malfunction.

Ensure the shaft and keyway are clean, align the key precisely, press-fit carefully, and verify that the components are properly secured without movement.

No reviews yet. Be the first to review this product!

Related Products

Graco 2005276 Fluid Filter Manifold Outlet Packless Plug 3/8 XT −8%
Graco
Graco 2005276 Fluid Filter Manifold Outlet Packless Plug 3/8 XT
Part #: 2005276
$44.81 $48.50 Save $3.69
Buy Now
−5%
Graco
Graco 2005275 Outlet Fluid Filter 1/4 XT Spray System
Part #: 2005275
$36.67 $38.80 Save $2.13
Buy Now

Recently Viewed

Graco 126095 Fuse Holder −8%
Graco
Graco 126095 Fuse Holder
Part #: 126095
$87.12 $95.00 Save $7.88
Buy Now
Your Cart
No items in cart.
Add more items
Total 0
Checkout Modify Cart