Genuine Titan OEM | Fluid Section Repair Parts
Shop Titan EPX2355 Fluid Section Assembly Parts
Restore reliable pumping performance with genuine Titan EPX2355 Fluid Section Assembly Parts from AllTitanParts. Shop OEM repacking kits, piston rods, piston assemblies, upper and lower packings, inlet and outlet valve components, pump manifolds, bypass valves and filter assemblies. Use the factory exploded diagram to identify the right part for your Titan EPX2355 Piston Pump.
Fluid Section Assembly Overview
Buy Genuine Titan EPX2355 Fluid Section Replacement Parts
The Titan EPX2355 Fluid Section Assembly is the pumping section responsible for moving and pressurizing coating material in the EPX2355 airless sprayer. The motor and gearbox drive the reciprocating piston, while the fluid section's packings and inlet and outlet valves help control material flow and maintain operating pressure.
With continued use, pump packings can wear, valve balls and seats can become damaged, and piston surfaces may deteriorate. These conditions can contribute to fluid leakage, difficult priming, reduced output or an inability to maintain spray pressure.
AllTitanParts lists 15 replacement products in this category, including individual components and repair kits. Selecting the correct OEM replacement helps you repair the affected part of the pump without replacing unrelated assemblies.
OEM Parts Directory
Titan EPX2355 Fluid Section Assembly Parts List
Use the following product list to identify the genuine Titan replacement component you need. Diagram reference numbers are shown where the category associates a product with a numbered position.
| Diagram Ref. | Titan Part Number | Replacement Part Description |
|---|---|---|
| Not specified | 0551605 | Filter Assembly |
| Not specified | 0551677 | Fluid Section Repacking Kit |
| 3 | 0507273A | Upper Packing Kit |
| 4 | 0551681 | Fluid Section Housing / Pump Manifold |
| 6 | 0507690 | Bypass Valve Assembly |
| 7 | 0507274A | Lower Packing |
| 8 | 0551669 | Piston Rod |
| 11 | 0507454 | Washer |
| 12 | 9841502 | Outlet Valve Ball |
| 13 | 0294516 | Outlet Valve Seat, replaces 944-043 |
| 18 | 51519 | Inlet Ball, replaces 800-242 |
| 19 | 00310 | Inlet Seat |
| 21 | 0551661 | Inlet Valve Housing, Long Tube |
| 21 | 0551663 | Siphon Tube |
| 29 | 0551678 | Piston Assembly |
The online category assigns reference 21 to both 0551661 and 0551663. Confirm the correct component and sprayer configuration against the exploded diagram before ordering. The two kits without displayed reference numbers are listed separately.
Pump Repacking and Seal Repair
Shop Titan EPX2355 Repacking Kits and Pump Packings
Titan 0551677 Fluid Section Repacking Kit
The Titan 0551677 Fluid Section Repacking Kit is listed for pump repacking work. Repacking helps address worn sealing components that can allow fluid leakage or reduce the pump's ability to maintain pressure.
Confirm the kit contents and the condition of the piston rod and housing before beginning a rebuild.
OEM Part Number: 0551677Titan 0507273A Upper Packing Kit
The Titan 0507273A Upper Packing Kit provides replacement packing components for the upper section of the pump's sealing arrangement.
Inspect upper packings when coating material leaks from the upper packing area. The category also notes that this part can be ordered as Bedford; verify the alternative product separately before substitution.
OEM Part Number: 0507273A | Diagram Ref. 3Titan 0507274A Lower Packing
The Titan 0507274A Lower Packing is a replacement sealing component for the fluid section's lower packing arrangement.
A worn lower packing can contribute to internal leakage and reduced pumping efficiency. The category notes a Bedford ordering option, which should be verified independently for fitment.
OEM Part Number: 0507274A | Diagram Ref. 7Core Pump Components
Titan EPX2355 Piston Rod, Piston Assembly and Pump Housing
Titan 0551669 Piston Rod
Transfers reciprocating motion from the drive mechanism into the fluid section. Inspect the rod for scoring, wear or damage that could shorten packing life.
Diagram Ref. 8Titan 0551678 Piston Assembly
A factory-listed piston assembly for the EPX2355 fluid section. Confirm the assembly contents and the pump's condition before selecting it for a rebuild.
Diagram Ref. 29Titan 0551681 Fluid Section Housing
The pump manifold provides the housing for fluid-section components. Inspect it for thread damage, cracks or worn internal surfaces.
Diagram Ref. 4Titan 0507454 Washer
An individually listed OEM washer used at its designated fluid-section assembly position. Match the factory diagram before replacing it.
Diagram Ref. 11Inlet and Outlet Valve Repairs
Buy Titan EPX2355 Valve Balls, Seats and Inlet Housing Parts
Titan 9841502 Outlet Valve Ball
Works with the outlet valve seat to help control fluid flow during the pumping cycle. Inspect for pitting, contamination or surface damage.
Diagram Ref. 12Titan 0294516 Outlet Valve Seat
Provides the seating surface for the outlet valve ball. The current listing identifies this part as replacing Titan 944-043.
Diagram Ref. 13Titan 51519 Inlet Ball
Helps control material entry into the pumping chamber. The listing identifies Titan 51519 as replacing Titan 800-242.
Diagram Ref. 18Titan 00310 Inlet Seat
Provides the specified seating surface for the inlet valve ball. Inspect both ball and seat when diagnosing poor priming.
Diagram Ref. 19Titan 0551661 Inlet Valve Housing
A long-tube inlet valve housing associated with the material intake side of the fluid section.
Diagram Ref. 21Titan 0551663 Siphon Tube
Provides a material intake path from the coating supply. Check for restrictions, damage and loose connections.
Listed at Diagram Ref. 21Filtration and Priming Components
Titan 0551605 Filter Assembly and 0507690 Bypass Valve
Titan 0551605 Filter Assembly is a complete filter assembly listed for the EPX2355 fluid section. Filtering coating material helps limit debris reaching downstream spray components. Inspect the filter system when diagnosing flow restrictions or contamination.
Titan 0507690 Bypass Valve Assembly, diagram reference 6, is associated with the sprayer's priming and fluid-return functions. If the sprayer will not prime or does not build pressure, inspect the bypass valve along with the inlet and outlet valves before selecting replacement parts.
Troubleshooting and Repair
Common Titan EPX2355 Fluid Section Problems
The following symptoms can have several causes. Follow Titan's troubleshooting procedure to isolate the fault before purchasing components.
| Observed Problem | Components to Inspect | Diagnostic Direction |
|---|---|---|
| Fluid leaking near upper packing area | 0507273A, 0551669 | Inspect upper packings and piston rod condition. |
| Poor pressure retention | 0551677, 0507274A, 9841502, 0294516 | Check packing wear and outlet valve sealing surfaces. |
| Pump will not prime | 51519, 00310, 0507690, 0551663 | Inspect the inlet valve, bypass valve and suction path. |
| Irregular pumping or reduced output | 0551678, 0551669, valve balls and seats | Inspect piston components and valve operation. |
| Restricted material flow | 0551605, 0551663 | Check for blocked filters and restricted suction passages. |
| Visible pump housing damage | 0551681 | Stop use and inspect the manifold and related connections. |
OEM Replacement Numbers
Titan Fluid Section Part Number Replacements
The AllTitanParts product listings identify these replacement references:
- Titan 0294516 Outlet Valve Seat replaces Titan 944-043.
- Titan 51519 Inlet Ball replaces Titan 800-242.
These replacement references apply to the identified valve components only. Confirm the EPX2355 model and factory diagram before ordering.
OEM Buying Guide
How to Order the Correct Titan EPX2355 Fluid Section Parts
Confirm Your Model
Check the Titan EPX2355 model and record the serial number.
Identify the Fault
Determine whether the repair involves packings, valves, the piston or the fluid housing.
Match the Diagram
Compare the diagram reference, OEM part number and any listed replacement number.
Order the OEM Part
Select the correct replacement at AllTitanParts and follow the manufacturer's repair procedure.
Preventive Maintenance
Maintain Your Titan EPX2355 Fluid Section Assembly
Clean the Fluid Path
Flush the pump using the appropriate cleaning fluid and Titan's approved procedure after spraying.
Inspect Pump Packings
Check for external leakage and other symptoms of worn upper or lower packings.
Protect Valve Surfaces
Keep debris out of the pump and inspect valve balls and seats during service.
Check Piston Condition
Inspect the piston rod for scoring or damage before installing new packings.
Related Titan EPX2355 Assemblies
Shop More Titan EPX2355 Piston Pump Parts
EPX2355 Main Assembly
Shop suction sets, siphon tubes and return-fluid components.
EPX2355 Suction Set Assembly
Find inlet filters, bypass hoses, suction tubes and seals.
EPX2355 Gear Box Assembly
Browse mechanical drive parts and pressure-control components.
EPX2355 Motor Assembly
Shop motor-related replacement components and protective covers.
EPX2355 Upright Cart Assembly
Find wheels, cart hardware, rubber feet and cord wraps.
EPX2355 Low Boy Cart Assembly
Browse parts for the alternative low-profile cart configuration.
Important Titan EPX2355 Fluid Section Service Safety
Before servicing the fluid section, switch off the sprayer, disconnect electrical power and follow Titan's complete pressure-relief procedure. High-pressure coating material can penetrate skin and cause serious injury. Never loosen pressurized fittings or attempt to stop a fluid leak with your hand. Use the manufacturer's approved tools, procedures and replacement components.
Genuine Titan EPX2355 Fluid Section Parts
Order Titan EPX2355 Fluid Section Parts Today
Shop genuine Titan repacking kits, piston assemblies, pump packings, valve balls, valve seats and fluid section housings. Match your replacement to the factory diagram before ordering.
Shop EPX2355 Fluid Section PartsFrequently Asked Questions
Titan EPX2355 Fluid Section Assembly FAQ
How many replacement products are listed for the Titan EPX2355 Fluid Section Assembly?
AllTitanParts currently lists 15 replacement products, including repair kits, piston components, valves, seals, a filter assembly and a bypass valve assembly.
What is the Titan EPX2355 Fluid Section Repacking Kit part number?
Titan 0551677 is the Fluid Section Repacking Kit listed for this assembly.
Which upper and lower packings are listed for the EPX2355?
Titan 0507273A is the Upper Packing Kit, and Titan 0507274A is the Lower Packing.
What is the Titan EPX2355 Piston Rod part number?
Titan 0551669 is the Piston Rod listed at diagram reference 8.
What is the EPX2355 Piston Assembly part number?
Titan 0551678 is the Piston Assembly listed at diagram reference 29.
What outlet valve ball and seat are listed for the EPX2355?
Titan 9841502 is the Outlet Valve Ball, and Titan 0294516 is the Outlet Valve Seat.
Which outlet valve seat replaces Titan 944-043?
Titan 0294516 Outlet Valve Seat is listed as replacing Titan 944-043.
Which inlet ball replaces Titan 800-242?
Titan 51519 Inlet Ball is listed as replacing Titan 800-242.
What is the Titan EPX2355 Inlet Seat part number?
Titan 00310 is the Inlet Seat listed at diagram reference 19.
Why does my Titan EPX2355 lose spray pressure?
Possible causes include worn pump packings, leaking valve balls and seats, suction restrictions or bypass valve problems. Follow the manufacturer's troubleshooting instructions before replacing parts.
Can I replace the EPX2355 piston rod and pump packings separately?
Yes. The category lists the Titan 0551669 Piston Rod and separate packing products, including 0507273A, 0507274A and 0551677.
Where can I buy genuine Titan EPX2355 Fluid Section parts?
Shop Titan EPX2355 Fluid Section Assembly Parts at AllTitanParts. For help confirming a part number, call 713-931-0006.
Titan OEM Parts Assistance
Need Help Finding EPX2355 Fluid Section Parts?
Have your Titan EPX2355 model, serial number and factory diagram reference ready when requesting assistance with part identification and fitment.
713-931-0006













