Graco 166198 Head Spray Tube
$139.50
In Stock
Quick facts for the Graco 166198 Head Spray Tube—use this to confirm fit and decide if replacement is needed.
- Part #: 166198
- Role: Routes material through the head assembly
- When to replace: Leaks, cracks, or restricted flow
- Fit check: Verify 166198 in your model’s parts diagram
- Tip: Inspect/renew adjacent o-rings during install
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Overview & Fitment Status
Compatible Machines
Model-specific compatibility for Graco 166198 Head Spray Tube is not explicitly listed in public OEM breakdowns. Please confirm against your sprayer’s parts diagram or share your model/serial so we can verify exact fit.
Product Details
Genuine replacement tube used within the head assembly to route material flow. Replacing worn tubes helps restore consistent delivery and prevents leaks at the head.
| Part Number | 166198 |
|---|---|
| Part Name | Head, Spray Tube |
| Category | Head Assembly / Fluid Path |
| Use Case | Material delivery through the spray head for coatings/spray-foam and similar applications |
| Why OEM | Correct dimensions and materials for the mating head components; supports reliable sealing and flow |
When to Replace
- Visible wear, cracking, or deformation on the tube
- Leaks at the head assembly or intermittent flow
- After head service when OEM guidance calls for tube renewal
Installation Notes
- Fully depressurize system and isolate material supply.
- Disassemble head per service manual; clean mating bores and inspect seals.
- Install the new tube in the correct orientation; torque fasteners as specified.
- Prime, check for leaks, and verify stable spray pattern before returning to service.
Frequently Asked Questions
Match the part number in your sprayer’s exploded parts diagram or service manual. If 166198 is listed for your head assembly, it is the correct replacement. If your manual lists a different tube, use that exact number.
It’s best practice to inspect all related o-rings and seats. Replace any worn seals to maintain proper head sealing and consistent flow after installation.
Non-OEM parts may not match dimensions or materials, which can cause leaks or premature wear. For critical head components, OEM is strongly recommended.
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