Graco 166066 Plate Valve
$260.00
In Stock
Quick-fit valve plate for Graco displacement pumps. Use to restore proper sealing and flow—confirm your pump’s parts diagram before ordering.
- Part no. 166066 (166-066)
- Typical size: 2½″ (≈64 mm) square
- Known fit: Bulldog pump models 206796, 206418
- Ideal during rebuilds or when leakage/poor priming occurs
- Install with clean mating surfaces and correct torque
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Genuine Part Details & Fitment
Compatible Machines
- Graco Bulldog Displacement Pump — Model 206796
- Graco Bulldog Displacement Pump — Model 206418
Overview
The Graco 166066 Plate Valve is a precision valve plate used inside select Graco piston/displacement pumps. It forms part of the internal check/valve assembly that controls fluid direction and supports consistent pump performance under demanding coating applications.
Key Features
- Exact-fit replacement to restore proper valve sealing and flow.
- Durable, factory-spec component for industrial duty cycles.
- Suitable for professional coating and fluid-handling environments.
Specifications
| Part Number | 166066 (166-066) |
|---|---|
| Component Type | Valve Plate (pump internal) |
| Typical Plate Size | 2 ½″ (≈ 64 mm) square |
| Application | Piston/displacement pump valve assembly |
When to Replace
- Loss of prime, erratic flow, or leakage past the valve.
- Visible scoring, pitting, or deformation on the plate surface.
- Preventive maintenance during pump rebuilds or kit installations.
Installation Notes
- Relieve system pressure and follow the pump’s service manual step-by-step.
- Clean mating surfaces; remove debris and residue before assembly.
- Tighten hardware to the specified torque; recheck after initial run-in.
- Inspect related components (seats, checks, balls) and replace if worn.
Frequently Asked Questions
| Question | Answer |
|---|---|
| Does this plate fit all Graco pumps? | No. It fits only models that specify part 166066 in their parts breakdown. Always confirm against your exact pump model. |
| How do I confirm compatibility? | Check your pump’s exploded parts diagram and verify both the part number and the plate dimensions/pattern listed for your model. |
| What happens if the wrong plate is installed? | Incorrect fit can cause leakage, reduced output, poor priming, or premature wear of the valve assembly. |
| Should I replace other parts at the same time? | Often yes. Inspect valve seats, checks/balls, and related seals; replacing as a set can restore full performance and reduce downtime. |
No reviews yet. Be the first to review this product!
