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PowrCoat 940 Fluid Pump Assembly(185-551) Parts

PowrCoat 940 Fluid Pump Assembly(185-551) Parts
Titan 181-906 Lower Pump Block
Titan 181-906 Lower Pump Block

Item No: 1

Part #: 181-906

  OEM Titan Pump Component Titan 181-906 Lower Pump Block is an OEM component that forms th...

Retail Price: $673.60
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Titan 175-001A Upper packing assembly
Titan 175-001A Upper packing assembly

Item No: 2

Part #: 175-001A

Official Titan / Speeflo Upper Packing Assembly Titan 175-001A Upper Packing Assembly is OEM ...

Retail Price: $145.40
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Titan 178-001A Upper Packing Set
Titan 178-001A Upper Packing Set

Item No: 2A

Part #: 178-001A

OEM Titan Commander Packing Set Titan 178-001A Upper Packing Set is an OEM sealing replacemen...

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Titan 178-320A Upper Packing Set
Titan 178-320A Upper Packing Set

Item No: 2B

Part #: 178-320A

Titan PTFE Fluid Pump Packing Titan 178-320A Upper Packing Set provides PTFE upper sealing for ...

Retail Price: $168.30
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Titan 182-906 Upper Packing Spring
Titan 182-906 Upper Packing Spring

Item No: 3

Part #: 182-906

  OEM Titan Pump Component Titan 182-906 Upper Packing Spring is an OEM component that main...

Retail Price: $45.60
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Titan 185-984A Displacement Rod
Titan 185-984A Displacement Rod

Item No: 4

Part #: 185-984A

  OEM Titan Fluid Component Titan 185-984A Displacement Rod is an OEM precision-machined ro...

Retail Price: $276.40
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Titan 185-011 Spring Retainer
Titan 185-011 Spring Retainer

Item No: 5

Part #: 185-011

Official Titan / Speeflo Spring Retainer Titan 185-011 Spring Retainer is OEM fluid pump hard...

Retail Price: $46.80
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Titan 185-010 Lower Packing Spring
Titan 185-010 Lower Packing Spring

Item No: 6

Part #: 185-010

  OEM Titan Pump Component Titan 185-010 Lower Packing Spring is an OEM component that main...

$26.30
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Titan 180-002A Lower Packing Set
Titan 180-002A Lower Packing Set

Item No: 7

Part #: 180-002A

Official Titan / Speeflo Lower Packing Set Titan 180-002A Lower Packing Set is OEM fluid pump...

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Titan 183-001A Packing Set
Titan 183-001A Packing Set

Item No: 7A

Part #: 183-001A

OEM Titan Commander Lower Packing Set Titan 183-001A Packing Set is an OEM lower pump sealing...

Retail Price: $229.70
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Titan 180-322A Lower Packing Assembly
Titan 180-322A Lower Packing Assembly

Item No: 7B

Part #: 180-322A

OEM Titan Sealing ComponentTitan 180-322A Lower Packing Assembly is an OEM sealing component used in...

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Titan 920-103 Stainless Ball, 13/16
Titan 920-103 Stainless Ball, 13/16"

Item No: 8

Part #: 920-103

  OEM Titan Valve Component Titan 920-103 Stainless Ball, 13/16" is an OEM precision-ground...

$24.00
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Titan 182-921A Piston Seat Assembly
Titan 182-921A Piston Seat Assembly

Item No: 9

Part #: 182-921A

  OEM Titan Valve Component Titan 182-921A Piston Seat Assembly is an OEM assembly that ser...

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Titan 182-007 O-ring
Titan 182-007 O-ring

Item No: 10

Part #: 182-007

  OEM Titan Sealing Component Titan 182-007 O-ring is an OEM PTFE sealing component that pr...

$26.30
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Titan 183-930 Cylinder Pump
Titan 183-930 Cylinder Pump

Item No: 11

Part #: 183-930

OEM Titan Commander Pump Cylinder Titan 183-930 Cylinder Pump is an OEM pump cylinder for Com...

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Titan 240-022A Ball Cage Assembly, Pkgd
Titan 240-022A Ball Cage Assembly, Pkgd

Item No: 12

Part #: 240-022A

  OEM Titan Fluid Component Titan 240-022A Ball Cage Assembly, Pkgd is an OEM component tha...

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Titan 314-180 Stainless Ball
Titan 314-180 Stainless Ball

Item No: 13

Part #: 314-180

OEM Titan Commander Valve Ball Titan 314-180 Stainless Ball is an OEM valve ball for Commande...

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Titan 183-230 Synthetic Rubber O-ring
Titan 183-230 Synthetic Rubber O-ring

Item No: 14

Part #: 183-230

OEM Titan Commander Sealing O-Ring Titan 183-230 Synthetic Rubber O-ring is an OEM sealing co...

$5.40
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Titan 183-992 Foot Valve Assembly
Titan 183-992 Foot Valve Assembly

Item No: 15

Part #: 183-992

OEM Titan Commander Inlet Valve Assembly Titan 183-992 Foot Valve Assembly is an OEM inlet-si...

Retail Price: $722.80
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Titan 185-551 Fluid Section · PowrCoat 730 and 940

Rebuild PowrCoat 940 Fluid Pressure with Verified Pump Parts

Shop confirmed components for the PowrCoat 940 Fluid Pump Assembly 185-551, including upper and lower packing options, pump block, displacement rod, springs, piston check, cylinder, inlet ball cage, inlet ball, seals and foot valve. Titan documents this pump architecture for PowrCoat 730 and 940 cart and wall models.

01
Official 15-Position Diagram
Every retained component matches Titan’s 185-551 table.
02
Three Packing Material Choices
Leather, leather/polyethylene and PTFE options are documented.
03
Dual Check-Valve System
Piston and foot-valve checks control one-way coating movement.
04
Verified Product Links
Every featured replacement resolves to a live product page.
Assembly Overview

How the 185-551 Fluid Pump Builds and Maintains Pressure

This page is an exploded fluid-pump replacement-parts category for complete pump 185-551A on PowrCoat 940 cart model 0533940C and wall model 0533940W. Titan also uses the 185-551 parts architecture on PowrCoat 730.

The displacement rod travels through upper and lower packing sets inside the lower pump block and cylinder. The piston ball and seat control internal discharge flow, while the foot-valve ball, cage and housing admit coating from the suction path during the intake stroke.

Main Functions

Functions Supported by the Fluid Pump Assembly

  • Draws coating through the foot-valve inlet circuit.
  • Displaces material through reciprocating rod movement.
  • Seals pressure with upper and lower packing sets.
  • Prevents backflow with piston and inlet check valves.
  • Transfers pressurized coating toward the outlet filter and hose.
Service Applications

When Technicians Use This Pump Diagram

  • Coating leaks through the upper packing area.
  • The pump loses prime or fails to draw material.
  • One stroke becomes faster than the other.
  • Pressure drops because of internal valve bypass.
  • Rod, cylinder, block or foot-valve wear is confirmed.
Troubleshooting

PowrCoat 940 Fluid-Pump Symptoms and Diagnostic Priorities

Test pump behavior before disassembly. Relieve all pressure, then diagnose the packing, piston-check, cylinder and inlet-check systems before replacing parts.

Operating symptom Inspection points Recommended action
Fluid leaks from the top packing upper packing choice, 182-906 spring, 185-984A rod surface and 181-906 block bore Identify packing wear and inspect the rod and bore before installing a new upper packing set.
Pump runs faster on the upstroke 920-103 piston ball, 182-921A seat, 182-007 O-ring, lower packings and rod condition Inspect the piston check for wear, contamination or sealing damage before replacement.
Pump runs faster on the downstroke 183-992 foot valve, 314-180 inlet ball, 240-022A cage, 183-230 O-ring and suction sealing Confirm inlet-check leakage or suction-side air entry before replacing valve components.
Pump will not prime coating level, suction coupling, foot valve, inlet ball, cage, O-ring and dried coating Clean and seal the suction path and verify free inlet-ball movement before replacement.
Pressure falls under load upper and lower packings, rod, cylinder, piston check, foot valve and downstream leakage Determine whether bypass occurs at the packings, piston check or inlet check before ordering parts.
New packings fail quickly 185-984A rod scoring, 183-930 cylinder wear, block bore, spring condition, material choice and installation Correct hard-part wear or packing-selection issues before repeating the repack.
Verified Replacement Components

High-Value PowrCoat 940 Fluid-Pump Parts

Only genuine parts listed on the supplied page and confirmed in Titan’s 185-551 table are included.

Pump Structural Body

Titan 181-906 Lower Pump Block

Official position-1 lower pump block that supports and aligns the packing, rod, cylinder and valve components.

View Titan 181-906
Reciprocating Pump Rod

Titan 185-984A Displacement Rod

Official position-4 rod that moves through the packing sets and transfers pump motion into fluid displacement.

View Titan 185-984A
Piston Check Ball

Titan 920-103 Stainless Ball, 13/16"

Official position-8 ball that seals against the piston seat to control flow and prevent backflow.

View Titan 920-103
Piston Check Seat

Titan 182-921A Piston Seat Assembly

Official position-9 seat assembly that provides the sealing surface for the 920-103 piston ball.

View Titan 182-921A
Fluid Pump Cylinder

Titan 183-930 Cylinder Pump

Official position-11 cylinder that forms the pressurized working chamber and guides the pump internals.

View Titan 183-930
Inlet Ball Guide

Titan 240-022A Ball Cage Assembly

Official position-12 cage that controls the movement and retention of the inlet check ball.

View Titan 240-022A
Foot-Valve Ball

Titan 314-180 Stainless Ball

Official position-13 ball used within the inlet check-valve circuit at the foot-valve end of the pump.

View Titan 314-180
Pump Inlet Valve Body

Titan 183-992 Foot Valve Assembly

Official position-15 inlet housing that connects the suction path to the pump and contains the inlet check components.

View Titan 183-992
Buying Guide

How to Select the Correct 185-551 Pump Parts

STEP 1

Confirm pump 185-551A

Use this diagram for PowrCoat 730 and 940 fluid pumps.

STEP 2

Identify the failing circuit

Separate upper packing, lower packing, piston-check and inlet-check symptoms.

STEP 3

Match packing material

Select leather, leather/polyethylene or PTFE only after confirming the required configuration.

STEP 4

Inspect hard parts first

Check rod, cylinder, block, seats and valve housing before installing soft parts.

Maintenance

Maintain Reliable 185-551 Fluid-Pump Sealing

  • Use Titan Piston Lube 314-480 at the upper packing area.
  • Inspect top-packing leakage and stroke-speed changes regularly.
  • Keep suction couplings sealed to prevent inlet air leakage.
  • Flush coating before it dries in the foot valve or check circuits.
  • Protect chrome rod surfaces from pipe wrenches and pliers.
  • Service the pump at approximately 1,000 hours or earlier when symptoms appear.
Repair Planning

Plan a Complete PowrCoat 940 Fluid-Pump Rebuild

Record whether the fault appears on the upstroke, downstroke or both strokes. This separates piston-check, inlet-check and packing problems and reduces unnecessary replacement.

During teardown, inspect the displacement rod, cylinder, pump block, both ball surfaces, piston seat, ball cage, O-rings and foot-valve threads. New packings or balls cannot correct damaged mating surfaces.

Fast Navigation

Shop Major PowrCoat 940 Fluid-Pump Components

FAQ Section

PowrCoat 940 Fluid Pump Assembly FAQs

Verified answers covering pump compatibility, packing materials, stroke diagnosis, priming faults, service intervals and safe repair.

What type of page is the PowrCoat 940 fluid-pump page?+
It is an exploded replacement-parts category for Titan fluid pump assembly 185-551 used on PowrCoat 730 and 940.
Which PowrCoat models use fluid pump 185-551?+
Titan documents the 185-551 fluid pump for PowrCoat 730 and PowrCoat 940 cart and wall models.
Which complete pump is installed on the PowrCoat 940?+
Titan identifies the complete PowrCoat 940 fluid pump as 185-551A, serviced with the 185-551 exploded-parts list.
Which upper packing options are documented?+
Titan lists 175-001A leather, 178-001A leather/polyethylene and 178-320A PTFE upper packing assemblies.
Which lower packing options are documented?+
Titan lists 180-002A leather, 183-001A leather/polyethylene and 180-322A PTFE lower packing assemblies.
What causes leakage from the top packing area?+
Inspect the selected upper packing assembly, upper packing spring, displacement rod surface and lower pump block bore before replacement.
What causes the pump to run faster on one stroke?+
A fast upstroke or downstroke can indicate a leaking piston check or inlet check. Inspect the balls, seats, cage, foot valve and related O-rings before replacing parts.
What causes the pump to lose prime?+
Inspect coating level, suction hose sealing, foot valve, inlet ball, ball cage, O-ring and dried material before replacing the pump.
Why should the displacement rod be inspected during repacking?+
A scored or worn rod can damage new packings and prevent them from sealing correctly.
Why should the cylinder be inspected?+
Scoring, wear or corrosion in the cylinder can cause bypass, damage packings and reduce pressure output.
How often does Titan recommend routine fluid-pump service?+
Titan recommends routine service after approximately 1,000 operating hours or sooner when top-packing leakage or uneven stroke speed appears.
What safety procedure is required before pump service?+
Lock the gun, shut off and bleed the air supply, open the bleed valve, trigger into a grounded metal container and verify zero pressure before disassembly.
Find the Correct Replacement Part

Restore Priming, Sealing, Check-Valve Control and Pressure Output

Browse verified PowrCoat 940 pump block, rod, cylinder, balls, piston seat, cage and foot-valve components.

Search using:
  • Titan part number
  • 185-551 diagram callout
  • Upper or lower packing material
  • Piston check or foot-valve component
  • Leakage, uneven stroke, priming or pressure symptom

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