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Exploded parts diagram · 26 parts

AirCoat Spray System Diaphragm Pump Parts

Genuine Titan OEM parts for AirCoat Spray System Diaphragm Pump Parts, matched to the official factory parts diagram. Search a part number, or call us and we'll confirm the fit before you order.

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AirCoat Spray System Diaphragm Pump Parts
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26 parts
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Titan 0270462 Fan, Emerson, 1/3 hp Motor
Titan 0270462 Fan, Emerson, 1/3 hp Motor
Part #: 0270462
UPC: 024964131099
OEM Titan Cooling Fan Titan 0270462 Fan is an OEM cooling component for the Emerson 1/3 HP moto...
$20.90
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Titan 0270612 Fan Cover
Titan 0270612 Fan Cover
Part #: 0270612
UPC: 024964172030
OEM Titan Fan Cover Titan 0270612 Fan Cover is an OEM protective component that shields the fan...
$32.89
$34.80Save 5%
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Titan 0270612 Fan Cover −5%
Titan
Titan 0270612 Fan Cover
Part #: 0270612
$32.89 $34.80 Save $1.91
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1
Item
Titan 0508193 Pump Head
Titan 0508193 Pump Head
Part #: 0508193A
UPC: 024964166893
Titan 0508193 Pump Head diaphragm - Reliable Performance for Diaphragm Pumps Titan 0508193 Pump H...
$421.36
$493.40Save 15%
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Titan 0508193 Pump Head −15%
Titan
Titan 0508193 Pump Head
Part #: 0508193A
$421.36 $493.40 Save $72.04
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2
Item
Titan 0270494 Diaphragm Ring
Titan 0270494 Diaphragm Ring
Part #: 0270494
UPC: 024964147786
OEM Titan Valve Component Titan 0270494 Diaphragm Ring is a genuine OEM retaining and sealing c...
$3.10
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Titan 0270494 Diaphragm Ring Genuine OEM
Titan
Titan 0270494 Diaphragm Ring
Part #: 0270494
$3.10
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3
Item
Titan 0278240 Diaphragm Assembly
Titan 0278240 Diaphragm Assembly
Part #: 0278240
UPC: 024964146246
OEM Titan Pump Component Titan 0278240 Diaphragm Assembly is a genuine OEM replacement diaphrag...
$23.60
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3
Titan 0278240 Diaphragm Assembly Genuine OEM
Titan
Titan 0278240 Diaphragm Assembly
Part #: 0278240
$23.60
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4
Item
Titan 0288775 Pressure Control Knob
Titan 0288775 Pressure Control Knob
Part #: 0288775
UPC: 024964134403
OEM Titan Control Component Titan 0288775 Pressure Control Knob is a genuine OEM control knob t...
$14.70
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4
Titan 0288775 Pressure Control Knob Genuine OEM
Titan
Titan 0288775 Pressure Control Knob
Part #: 0288775
$14.70
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5
Item
Titan 9801109 Set screw #10-24 x .50
Titan 9801109 Set screw #10-24 x .50
Part #: 9801109
UPC: 024964141494
OEM Titan Fastening Component Titan 9801109 Set Screw #10-24 x .50 is a genuine OEM fastener us...
$2.00
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5
Titan 9801109 Set screw #10-24 x .50 Genuine OEM
Titan
Titan 9801109 Set screw #10-24 x .50
Part #: 9801109
$2.00
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6
Item
Titan 0270529 Stem Valve
Titan 0270529 Stem Valve
Part #: 0270529
UPC: 024964131204
OEM Titan Valve Component Titan 0270529 Stem Valve is a genuine OEM component that connects the...
$14.80
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6
Titan 0270529 Stem Valve Genuine OEM
Titan
Titan 0270529 Stem Valve
Part #: 0270529
$14.80
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7
Item
Titan 0047373 Pressure Regulating Spring
Titan 0047373 Pressure Regulating Spring
Part #: 0047373
UPC: 024964166602
OEM Titan Valve Component Titan 0047373 Pressure Regulating Spring is a genuine OEM spring that...
$9.10
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8
Item
Titan 0089518 O-Ring
Titan 0089518 O-Ring
Part #: 0089518
UPC: 024964129287
OEM Titan Sealing Component Titan 0089518 O-Ring is a genuine OEM sealing component that create...
$3.40
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8
Titan 0089518 O-Ring Genuine OEM
Titan
Titan 0089518 O-Ring
Part #: 0089518
$3.40
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9
Item
Titan 0089475 Pressure Valve Needle
Titan 0089475 Pressure Valve Needle
Part #: 0089475
UPC: 024964129218
OEM Titan Valve Component Titan 0089475 Pressure Valve Needle is a genuine OEM precision-ground...
$45.74
$49.50Save 8%
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Titan 0089475 Pressure Valve Needle −8%
Titan
Titan 0089475 Pressure Valve Needle
Part #: 0089475
$45.74 $49.50 Save $3.76
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10
Item
Titan 0278339 Hydraulic Piston
Titan 0278339 Hydraulic Piston
Part #: 0278339
UPC: 024964152926
OEM Titan Hydraulic Component Titan 0278339 Hydraulic Piston is a genuine OEM component used in...
$21.40
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10
Titan 0278339 Hydraulic Piston Genuine OEM
Titan
Titan 0278339 Hydraulic Piston
Part #: 0278339
$21.40
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11
Item
Titan 0005311 Piston Spring
Titan 0005311 Piston Spring
Part #: 0005311
UPC: 024964127245
OEM Titan Pump Component Titan 0005311 Piston Spring is a genuine OEM spring that provides the ...
$24.80
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11
Titan 0005311 Piston Spring Genuine OEM
Titan
Titan 0005311 Piston Spring
Part #: 0005311
$24.80
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12
Item
Titan 0270548 Piston Washer
Titan 0270548 Piston Washer
Part #: 0270548
UPC: 024964166619
OEM Titan Pump Component Titan 0270548 Piston Washer is a genuine OEM sealing and load distribu...
$5.80
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12
Titan 0270548 Piston Washer Genuine OEM
Titan
Titan 0270548 Piston Washer
Part #: 0270548
$5.80
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13
Item
Titan 0089456 Retainer
Titan 0089456 Retainer
Part #: 0089456
UPC: 024964166626
OEM Titan Retaining Component Titan 0089456 Retainer is a genuine OEM securing component that h...
$6.30
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13
Titan 0089456 Retainer Genuine OEM
Titan
Titan 0089456 Retainer
Part #: 0089456
$6.30
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14
Item
Titan 0278359 Gasket
Titan 0278359 Gasket
Part #: 0278359
UPC: 024964166633
OEM Titan Sealing Component Titan 0278359 Gasket is a genuine OEM sealing component that create...
$5.50
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14
Titan 0278359 Gasket Genuine OEM
Titan
Titan 0278359 Gasket
Part #: 0278359
$5.50
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15
Item
Titan 0278341 Hydraulic Cover
Titan 0278341 Hydraulic Cover
Part #: 0278341
UPC: 024964166640
OEM Titan Hydraulic Component Titan 0278341 Hydraulic Cover is a genuine OEM housing cover used...
$17.20
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15
Titan 0278341 Hydraulic Cover Genuine OEM
Titan
Titan 0278341 Hydraulic Cover
Part #: 0278341
$17.20
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16
Item
Titan 9800049 Screw
Titan 9800049 Screw
Part #: 9800049
UPC: 024964141340
OEM Titan Fastening Component Titan 9800049 Screw is a genuine OEM fastener used to secure the ...
$2.00
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16
Titan 9800049 Screw Genuine OEM
Titan
Titan 9800049 Screw
Part #: 9800049
$2.00
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17
Item
Titan 0047393 Retaining Ring
Titan 0047393 Retaining Ring
Part #: 0047393
UPC: 024964128365
OEM Titan Fastening Component Titan 0047393 Retaining Ring is a genuine OEM fastener that secur...
$3.40
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17
Titan 0047393 Retaining Ring Genuine OEM
Titan
Titan 0047393 Retaining Ring
Part #: 0047393
$3.40
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18
Item
Titan 0090031 Eccentric Sleeve And Bearing Assembly
Titan 0090031 Eccentric Sleeve And Bearing Assembly
Part #: 0090031
UPC: 024964129621
OEM Titan Drive Component Titan 0090031 Eccentric Sleeve and Bearing Assembly is a genuine OEM ...
$79.32
$86.50Save 8%
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18
Titan 0090031 Eccentric Sleeve And Bearing Assembly −8%
Titan
Titan 0090031 Eccentric Sleeve And Bearing Assembly
Part #: 0090031
$79.32 $86.50 Save $7.18
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19
Item
Titan 0089829 Shaft Key
Titan 0089829 Shaft Key
Part #: 0089829
UPC: 024964129478
OEM Titan Drive Component Titan 0089829 Shaft Key is a genuine OEM drive component that secures...
$8.40
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19
Titan 0089829 Shaft Key Genuine OEM
Titan
Titan 0089829 Shaft Key
Part #: 0089829
$8.40
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20
Item
Titan 9900355 Screw, Cap M8x45, Socket Head, DIN 912
Titan 9900355 Screw, Cap M8x45, Socket Head, DIN 912
Part #: 9900355
UPC: 4004025094132
OEM Titan Fastening Component Titan 9900355 Screw, Cap M8x45, Socket Head, DIN 912 is a genuine...
$3.00
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21
Item
Titan 9921601 Lock Washer
Titan 9921601 Lock Washer
Part #: 9921601
UPC: 024964158010
OEM Titan Fastening Component Titan 9921601 Lock Washer is an OEM M8 spring-tempered split wash...
$3.40
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21
Genuine OEM
Titan
Titan 9921601 Lock Washer
Part #: 9921601
$3.40
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22
Item
Titan 0508612A Motor, Aircoat (pkgd)
Titan 0508612A Motor, Aircoat (pkgd)
Part #: 0508612A
UPC: 024964165797
  OEM Titan Pneumatic Drive Component Titan 0508612A Motor, Aircoat (pkgd) is an OEM packag...
$422.64
$494.90Save 15%
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22
−15%
Titan
Titan 0508612A Motor, Aircoat (pkgd)
Part #: 0508612A
$422.64 $494.90 Save $72.26
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23
Item
Titan 0089930 Seal
Titan 0089930 Seal
Part #: 0089930
UPC: 024964129515
OEM Titan Sealing Component Titan 0089930 Seal is a genuine OEM sealing component that prevents...
$13.20
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23
Titan 0089930 Seal Genuine OEM
Titan
Titan 0089930 Seal
Part #: 0089930
$13.20
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25
Item
Titan 0278237 Hydraulic Housing Assembly
Titan 0278237 Hydraulic Housing Assembly
Part #: 0278237
UPC: 024964166671
OEM Titan Hydraulic Component Titan 0278237 Hydraulic Housing Assembly is an OEM structural com...
$128.75
$140.40Save 8%
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25
Titan 0278237 Hydraulic Housing Assembly −8%
Titan
Titan 0278237 Hydraulic Housing Assembly
Part #: 0278237
$128.75 $140.40 Save $11.65
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Buying guide

AirCoat Spray System Diaphragm Pump Parts: what to know before you buy

AirCoat Spray System Diaphragm Pump Parts

The AirCoat Spray System Diaphragm Pump Parts category includes OEM replacement components engineered to maintain smooth, pulse-free fluid delivery and stable pressure regulation in Titan AirCoat air-assisted airless spray systems.

The diaphragm pump is one of the most critical fluid-handling sections of the sprayer, responsible for moving coating material consistently while reducing pressure fluctuations that can affect finish quality.

These components are designed for professional finishing applications requiring controlled atomization, reduced overspray, and reliable long-term performance.

Key Components & Pump Performance

Key components in this assembly include the Titan 0278240 Diaphragm Assembly, Titan 0270494 Diaphragm Ring, Titan 0270529 Stem Valve, Titan 0047373 Pressure Regulating Spring, Titan 0089475 Pressure Valve Needle, and Titan 0508193A Pump Head.

Together, these parts regulate fluid movement, maintain pressure stability, and reduce pulsation throughout the spraying cycle.

Regular inspection of diaphragms, seals, springs, and valves helps prevent pressure loss, leakage, and inconsistent spray patterns.

The diaphragm pump assembly is commonly used in fine-finish wood coatings, cabinetry, industrial metal finishing, enamels, primers, lacquers, and other professional coating environments where smooth fluid control is essential.

The diaphragm-based design also reduces wear compared to traditional piston-style pump systems, improving service life and operational consistency.

Frequently Asked Questions

Inconsistent pressure is commonly caused by a worn Titan 0278240 Diaphragm Assembly, damaged seals, or debris inside the valve system. These issues can interrupt smooth fluid movement and create pressure fluctuations during spraying.

The Titan 0270494 Diaphragm Ring secures the diaphragm assembly and helps maintain a proper seal inside the pump chamber. A damaged ring may lead to leakage, pressure instability, and reduced material flow efficiency.

A worn Titan 0270529 Stem Valve can disrupt fluid regulation inside the pump, causing uneven spray pressure, sputtering, or delayed material response at the spray gun.

The Titan 0047373 Pressure Regulating Spring controls diaphragm movement and stabilizes operating pressure. Weak or damaged springs can cause fluctuating spray patterns and inconsistent atomization quality.

A failing Titan 0089475 Pressure Valve Needle may cause poor pressure retention, fluid leakage, or unstable spray output. Replacing worn valve needles helps restore smooth pressure control and reliable coating performance.

Not sure it fits?

Send us your model and serial number — we’ll confirm the exact part number before you pay.

713-931-0006

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