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Graco 100088 Fitting Street 90 Deg

Graco 100088 Street 90° Fitting is a durable right-angle elbow designed to connect male and female threaded lines in tight spaces, ensuring smooth fluid flow in Graco sprayers and pumps.

  • Part Number: 100088
  • Type: Street Elbow, 90-Degree
  • Thread: Male × Female (typically 1/4" NPTF)
  • Material: Steel
  • Use: Fluid line turns, manifolds, filters, hose fittings

Retail Price: $87
You save: $1.52 (1.75%)
Our Price: $85.48
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About This Part: Graco 100088 Street 90° Fitting

The Graco 100088 Fitting, Street, 90 Deg is a right-angle “street elbow” used to turn a fluid line 90° while transitioning from a male to a female threaded connection. Typical use cases include routing around tight clearances at manifolds, filters, gauges, and hose connections on Graco spray and fluid-handling systems.

Compatible Machines

Model-specific fitment for 100088 is thread-dependent. It is used across many Graco sprayers and pumps wherever a 90° street elbow with the correct thread size is specified in the parts list.

  • Fits any Graco unit that calls out part 100088 in its official parts diagram.
  • Fits systems that require a male ↔ female 90° elbow with the specified thread size (e.g., commonly 1/4" NPTF—verify your manual).

Key Specifications

Graco Part Number 100088
Description Fitting, Street, 90 Deg (male ↔ female, right-angle elbow)
Typical Threading Often used in 1/4" NPTF circuits (verify your model’s spec)
Function Turns a fluid line 90°; adapts male/female thread ends in tight spaces
Common Locations Manifold blocks, filter heads, gauge ports, hose take-offs
Material Steel or equivalent per Graco bill of material for the target assembly

Where You’ll Commonly See It

  • Airless paint sprayers and plural-component pumps needing a compact 90° turn.
  • At pressure gauge ports or filter housings to re-orient the line.
  • Where the installation requires male–female transition at a right angle.

How to Verify Fit on Your Machine

  1. Confirm the part number: Check your Graco parts manual; if it lists 100088, it’s the correct elbow.
  2. Match thread size & type: Verify the male and female ends (e.g., 1/4" NPTF). Do not mix BSP/NPT threads.
  3. Check pressure & media: Ensure material and pressure rating meet your coating/fluid and operating PSI.
  4. Inspect clearance: Ensure a 90° elbow will clear nearby components and panels.

Installer Notes

  • Use an appropriate thread sealant compatible with your coating/fluid (do not over-apply).
  • Do not over-torque: follow torque guidance in your model’s service manual to avoid cracks or leaks.
  • After installation, pressure-test and inspect for seepage at the joint.

Frequently Asked Questions

Not universally. It fits where specified by the parts manual and when the thread size/type matches your connection. Always verify against your exact model’s diagram.

Many installations use 1/4" NPTF, but Graco assemblies can vary. Confirm the male and female thread sizes in your machine’s parts list before ordering.

Only if the parts manual shows a 90° elbow at that location and the male/female ends and thread spec match. Changing fittings can affect hose routing, strain, and service clearances.

Use a non-hardening, compatible thread sealant (or PTFE tape where allowed) rated for your coating/fluid and pressure. Avoid contaminating fluid passages with excess sealant.

Look up your model’s parts manual or exploded diagram and search for item 100088. If it’s listed at the connection you’re servicing, this is the correct replacement.

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