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AllTitanParts

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Titan 236-021A Valve Rod Assembly

Titan 236-021A Valve Rod Assembly

Sourced From:
Titan Tools Inc.

 

Titan part 236-021A is a valve rod assembly used in the fluid section of Titan PowrLiner and PowrTwin sprayers. It transfers pumping motion to the displacement rod and valves, controlling fluid flow during operation. This assembly includes multiple components that work together to ensure consistent pressure and spray performance.

Part Number 236-021A
Part Description Valve Rod Assembly
Brand Titan
Fits
  • PowrLiner 4955, 6955, 8955
  • PowrTwin 4900, 6900, 8900, 12000 Plus
Condition New

Retail Price: $249.4
You save: $34.67 (13.90%)
Our Price: $214.73

 

Valve Rod Assembly for Titan PowrLiner & PowrTwin Sprayers

The Titan 236-021A Valve Rod Assembly is a critical reciprocating component inside the pump fluid section. It connects the piston to the inlet/outlet valves, converting mechanical motion into fluid displacement for consistent spray output.

Wear, corrosion, or seal failure on the valve rod can cause pressure loss, erratic spraying, or complete pump failure. Replacing the complete valve rod assembly restores proper valve timing and fluid seal integrity.

Service Guidance: If you experience weak pressure, surging, or fluid leaking from the pump section, inspect the valve rod for scoring, pitting, or worn O‑rings. Always replace the full assembly when rebuilding the fluid section.

What it does and when to replace it

What the valve rod assembly does
Valve actuation Opens and closes inlet/outlet valves in sync with pump stroke
Fluid displacement Moves coating material from inlet to outlet under pressure
Seal support Provides a smooth surface for O‑rings and packings to seal against
When replacement is recommended
Scoring / pitting Visible grooves or corrosion on rod surface
Seal leakage Fluid bypassing rod despite new O‑rings
Loss of pressure Inability to reach or maintain operating pressure
Valve timing issues Knocking or irregular flow due to worn rod ends

Compatibility

Part 236-021A fits the following Titan sprayer models. Always verify with your parts diagram.

Brand / Model Component
PowrLiner 4955 Valve Rod Assembly
PowrLiner 6955 Valve Rod Assembly
PowrLiner 8955 Valve Rod Assembly
PowrTwin 4900 Valve Rod Assembly
PowrTwin 6900 Valve Rod Assembly
PowrTwin 8900 Valve Rod Assembly
PowrTwin 12000 Plus Valve Rod Assembly

Related parts commonly serviced together

When replacing the valve rod assembly, these components are often inspected or replaced at the same time.

Pump repair kit (fluid section)

Includes all O‑rings, packings, and seals needed for a complete pump overhaul.

Inlet / outlet valve kits

Valve seats, balls, and springs – often replaced together with the rod assembly.

Piston / displacement rod

Works in conjunction with the valve rod; inspect for wear during service.

Frequently Asked Questions

The assembly includes the valve rod itself, guide bushings, O‑rings, and a retaining clip – everything needed to replace a worn valve rod in the fluid section.

Common signs include loss of spraying pressure, surging or erratic flow, fluid leaking from the pump housing, or visible scoring/pitting on the rod when disassembled.

If the valve rod surface is smooth and free of damage, replacing only the O‑rings and seals may be sufficient. However, if the rod shows scoring, pitting, or wear, the full assembly must be replaced to ensure a proper seal.

It fits PowrLiner models 4955, 6955, and 8955, as well as PowrTwin models 4900, 6900, 8900, and 12000 Plus. Always confirm with your machine’s parts diagram.

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