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Graco C19660 Fitting 1-1/4x1/2

The Graco C19660 Fitting is a durable OEM part designed for connecting larger fluid lines to smaller ports. Ideal for select Graco proportioners and supply units.

  • Thread Size: 1‑1/4" NPT to 1/2" NPT
  • Material: Zinc / carbon steel
  • OEM Part Number: C19660
  • Use: Fluid manifolds and hose connections
  • Compatible With: Graco Xtreme Mix™ and VPM Supply Units

$40.97
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Graco C19660 Fitting 1‑1/4" x 1/2" – Overview & Compatibility

The Graco C19660 Fitting is a genuine Graco OEM reducing bushing with 1‑1/4" to 1/2" NPT threads. This part is used as a fluid fitting or connector in various Graco industrial spraying and proportioning systems — designed for reliable performance and proper thread sealing in high‑pressure paint and coating equipment. :contentReference[oaicite:1]{index=1}

Compatible Machines

Machine / Model Notes
Graco Xtreme Mix™ 309518D Factory parts list includes C19660 fitting in fluid manifold assemblies. :contentReference[oaicite:2]{index=2}
Graco VPM & Supply Unit series (e.g., L250CM, L500CM) Part appears in OEM parts breakdowns for VPM supply units. :contentReference[oaicite:3]{index=3}

Features & Specifications

  • OEM Part Number: C19660
  • Thread Size: 1‑1/4" NPT (male) to 1/2" NPT (female) reducing fitting
  • Material: Zinc / carbon steel construction (typical Graco OEM) :contentReference[oaicite:4]{index=4}
  • Use: Connects larger fluid lines to smaller port connections in select Graco systems

Frequently Asked Questions

The C19660 is a reducing pipe fitting that adapts a larger 1‑1/4" NPT connection down to a 1/2" NPT port. It’s used in fluid manifolds and hose connections on some Graco proportioners and supply units to route fluid to valves or hoses.

No — Graco does not publish a universal compatibility list for every sprayer. Compatibility is generally confirmed by checking your sprayer’s parts diagram or service manual to see if C19660 is listed as an OEM part.

Fittings like C19660 may be used in hose assemblies or manifolds where there is a size transition — but you should always ensure the threads and pressure rating match your hose, gun, and machine specifications.

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