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Titan 9871105 O-Ring (Replaces Titan 704-121)

$3.90
Available to Order
Part #: 9871105

OEM Titan Sealing Component

Titan 9871105 O-Ring is a genuine OEM siphon elbow seal that replaces Titan 704-121, providing an air-tight seal for the siphon connection on AirCoat, Impact, Advantage, RentSpray, and SprayTech sprayer systems.

Brand: Titan / SprayTech Part #: 9871105 Replaces: 704-121 Type: O-Ring

Compatibility Overview

Series Compatible Models Part Number
AirCoat Titan AirCoat Air-Assisted, SprayTech AirCoat 9871105
Impact / Advantage Impact 340, 400, 410, 440, 640; Advantage 400, 500, 600 9871105
RentSpray / SprayTech RentSpray 400, 600; SprayTech EP2005, EP2105, EP2205, EPX2155, EPX2255, EPX2305, EPX2355 9871105
Other Multi Finish Spray System 300 9871105

Replace if the O-ring is flattened, hardened, cracked, or if the sprayer shows loss of suction, air bubbles in the fluid line, or fluid leaks at the siphon elbow.

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Titan Sealing Component Replacement

Titan 9871105 O-Ring for Siphon Elbow Sealing Service

Titan 9871105 is a genuine OEM O-ring engineered to provide an air-tight seal at the siphon elbow connection on compatible sprayer systems. This direct replacement for Titan 704-121 prevents air from entering the fluid line, ensuring the pump maintains proper suction and consistent material flow. It is a critical sealing component for professional painting and industrial coating applications.

OEM: Titan / SprayTech Part #: 9871105 Replaces: 704-121 Use: Siphon Elbow Sealing
Detail Technical / Commercial Information
Product Overview Genuine Titan OEM siphon elbow O-ring that replaces 704-121. Provides an air-tight seal at the siphon connection on AirCoat, Impact, Advantage, RentSpray, and SprayTech systems.
Function Seals the connection between the siphon tube and the pump inlet. Prevents air from being drawn into the fluid line, maintains proper suction pressure for consistent material pickup, and prevents fluid leaks at the connection point.
Compatible AirCoat Models Titan AirCoat Air-Assisted, AirCoat Spray System; SprayTech AirCoat.
Compatible Impact / Advantage Models Impact 340, 400, 410, 440, 640; Advantage 400, 500, 600.
Compatible RentSpray / SprayTech Models RentSpray 400, 600; SprayTech EP2005, EP2105, EP2205, EPX2155, EPX2255, EPX2305, EPX2355.
Other Compatible Equipment Multi Finish Spray System 300. Always confirm fitment using your exact model's parts diagram and serial number.
OEM Part Number 9871105 O-Ring (Replaces Titan 704-121). Used in pairs on suction systems.
Replacement Indicators Loss of suction or difficulty priming; air bubbles in the fluid line; fluid leaks at the siphon elbow connection; pump running but not picking up material; O-ring appears flattened, hardened, or cracked.
Related Parts Commonly Serviced Together Siphon tube assembly, inlet filter (0295565), retaining clip (9822526), return hose assembly (0508614), and suction system components.
Common Problems Solved Restores proper suction and priming, eliminates air leaks at the siphon elbow, ensures consistent material flow, and resolves pump running without picking up material.
Why Genuine OEM Exact dimensions and material specifications ensure proper fit and sealing effectiveness. A low quality or incorrect O-ring may fail to seal, allowing air ingress that compromises suction and sprayer performance.

Inspect the O-ring during routine maintenance or whenever the suction system is disassembled. Replace if it appears flattened, hardened, cracked, or shows signs of wear. Always replace O-rings when servicing the pump to ensure a proper seal. Loss of suction is commonly caused by worn O-rings allowing air to enter the fluid line.

Frequently Asked Questions

Quick answers for confirming fitment and identifying when replacement is needed.

Common Questions
What does the Titan 9871105 O-Ring do?

It provides an air-tight seal at the siphon elbow connection, preventing air from entering the fluid line and maintaining proper suction for consistent material flow.

Which models use part 9871105?

It fits AirCoat systems, Impact 340-640, Advantage 400-600, RentSpray 400/600, SprayTech EP and EPX series, and Multi Finish Spray System 300.

What part does 9871105 replace?

It is a direct replacement for Titan 704-121.

When should I replace the siphon O-ring?

Replace if you notice loss of suction, air bubbles in the fluid line, fluid leaks at the siphon elbow, or if the O-ring is flattened, hardened, or cracked.

Why use a genuine OEM O-ring?

OEM specifications ensure correct dimensions and material for proper sealing. A low quality O-ring may allow air ingress that compromises suction and sprayer performance.

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