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Graco Ultra 500 Lo-Boy Electric Airless Sprayer Parts

Graco Ultra 500 Lo-Boy Electric Airless Sprayer Parts
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Graco 220853 Brush Repair Kit

Item No: -

Part Number: 220853

UPC Number: 633955053922

The Graco 220853 Brush Repair Kit restores proper motor performance by replacing worn carbon brushes...

Retail Price: $242.00
You save: $30.25 (12.50%)
Our Price: $211.75
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Graco 154636 Flat Washer

Item No: 3

Part Number: 154636

UPC Number: 633955463264

The Graco 154636 Flat Washer provides strong load support and prevents surface wear, ensuring secure...

$6.68
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Graco 156823 Swivel Fitting 1/4 Inch Union

Item No: 5

Part Number: 156823

UPC Number: 633955321113

Graco 156823 Swivel Fitting is a high-pressure 1/4" MNPT x 1/4" FNPSM union made of durable carbon...

$11.07
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Graco 110963 Cap Screw

Item No: 7

Part Number: 110963

UPC Number: 633955119956

The **Graco 110963 Cap Screw** is a genuine OEM fastener used for secure assembly of hose reels, whe...

$8.74
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Graco 100069 Ball

Item No: 8

Part Number: 100069

UPC Number: 633955628700

The Graco 100069 Ball is a durable 1/4" steel check ball designed for use in Graco pump and valve as...

$8.74
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Graco 100188 Nut Heavy Hex

Item No: 9

Part Number: 100188

UPC Number: 633955605176

Graco 100188 Nut, Heavy Hex is a genuine OEM fastener designed for durability and precise fit in mul...

$12.26
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Graco 100214 Lock Washer

Item No: 10

Part Number: 100214

UPC Number: 633955064911

The Graco 100214 Lock Washer prevents nuts and bolts from loosening due to vibration, ensuring secur...

$8.74
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Graco 100322 Washer Lock

Item No: 11

Part Number: 100322

UPC Number: 633955439726

Graco 100322 Washer Lock is a genuine OEM lock washer designed to prevent fastener loosening under v...

$8.77
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Graco 100509 Plug Pipe

Item No: 12

Part Number: 100509

UPC Number: 633955312777

The Graco 100509 Plug, Pipe is a genuine OEM part designed to seal unused ¼″ NPT ports on Graco a...

$10.91
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Graco 101242 Retaining Ext Ring

Item No: 13

Part Number: 101242

UPC Number: 633955143357

The Graco 101242 Retaining Ext Ring is a genuine OEM part used to secure the wheel or hub assembly o...

$9.43
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Graco 101682 Screw Cap

Item No: 14

Part Number: 101682

UPC Number: 633955444584

The Graco 101682 Screw Cap is a genuine OEM fastener designed for secure assembly of Graco airless s...

$24.80
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Graco 101754 Pipe Plug

Item No: 15

Part Number: 101754

UPC Number: 633955174030

The Graco 101754 Pipe Plug is an OEM replacement plug designed to seal unused 3/8″ NPTF ports on G...

$10.13
QTY:
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Graco 104811 Hub Cap

Item No: 17

Part Number: 104811

UPC Number: 633955129023

The Graco 104811 Hub Cap is a genuine OEM component designed to protect and secure the wheel hub are...

$10.05
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Graco 105510 Spring Lock Washer (Hi-Collar)

Item No: 18

Part Number: 105510

UPC Number: 633955507043

The Graco 105510 Spring Lock Washer (Hi-Collar) provides secure fastening in high-vibration applicat...

$8.74
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Graco 106062 Semi Pneumatic Wheel

Item No: 19

Part Number: 106062

UPC Number: 633955571334

Graco 106062 Semi-Pneumatic Wheel is a durable, low-maintenance OEM replacement for Graco Hi-Boy spr...

Retail Price: $72.00
You save: $5.47 (7.60%)
Our Price: $66.53
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Graco 106078 Flat Head Screw

Item No: 20

Part Number: 106078

UPC Number: 633955098404

Ensure reliable performance and perfect fit with the Graco 106078 Flat Head Screw, designed for high...

$7.51
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Graco 107445 Screw Cap

Item No: 25

Part Number: 107445

UPC Number: 633955212473

Securely fasten components and ensure stable operation with the Graco 107445 Screw Cap. Durable and ...

$8.74
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Graco 108460 Conduit Connector

Item No: 29

Part Number: 108460

UPC Number: 633955541955

Ensure safe and reliable electrical connections in your sprayer with the Graco 108460 Conduit Connec...

Retail Price: $45.50
You save: $2.5 (5.49%)
Our Price: $43.00
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Graco 105521 Tubing Plug

Item No: 31

Part Number: 105521

UPC Number: 633955162136

The Graco 105521 Tubing Plug provides secure sealing for tubing ends in Graco spray and fluid system...

$10.40
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Graco 108865 Button Hd Cap Screw

Item No: 33

Part Number: 108865

UPC Number: 633955237520

The Graco 108865 Button HD Cap Screw is a genuine OEM fastener designed for reliable assembly and lo...

$8.74
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Graco 110037 Mach Screw Pnh

Item No: 35

Part Number: 110037

UPC Number: 633955483705

The Graco 110037 Mach Screw PNH is a genuine OEM pan head machine screw used for secure assembly in ...

$40.70
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Graco 150513 Hexagonal Jam Nut

Item No: 37

Part Number: 150513

UPC Number: 633955169838

The Graco 150513 Hexagonal Jam Nut secures high-pressure fluid connections for reliable, leak-free p...

$15.61
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Graco 155665 Union Swivel Fitting Adapter

Item No: 38

Part Number: 155665

UPC Number: 633955263116

The Graco 155665 Union Swivel Fitting Adapter provides leak-free, high-pressure connections with 360...

$16.06
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Graco 162453 Nipple Fitting 1/4NPSM X 1/4NPT

Item No: 39

Part Number: 162453

UPC Number: 633955087712

Graco 162453 Nipple Fitting ensures secure, leak-free connections in pumps and manifolds, maintainin...

$24.66
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Graco 176817 Retaining Spring

Item No: 42

Part Number: 176817

UPC Number: 633955053977

The Graco 176817 Retaining Spring securely holds the pump linkage pin in place, ensuring consistent ...

$7.51
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Graco 176818 Sprayer Straight Pin

Item No: 43

Part Number: 176818

UPC Number: 633955509962

The Graco 176818 Straight Pin is a genuine OEM attach pin designed to secure the piston or connectin...

$15.47
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Graco 206994 Throat Seal Liquid

Item No: 66

Part Number: 206994

UPC Number: 633955309692

Maintain your sprayer’s performance with the Graco 206994 Throat Seal Liquid (TSL) - designed to p...

Retail Price: $15.60
You save: $0.28 (1.79%)
Our Price: $15.32
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Graco 214570 Q Fluid Filter

Item No: 67

Part Number: 214570

UPC Number: 633955242067

$367.00
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Graco 100040 Pipe Plug

Item No: 67a

Part Number: 100040

UPC Number: 633955554757

$12.92
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Graco 180131 Thrust Bearing

Item No: 69a

Part Number: 180131

UPC Number: 633955624924

Graco 180131 Thrust Bearing ensures smooth operation of your sprayer pump by supporting axial loads ...

$11.19
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Graco 107434 Thrust Bearing

Item No: 69b

Part Number: 107434

UPC Number: 633955430051

Graco 107434 Thrust Bearing—OEM axial bearing for the drive/crank assembly. Stabilizes end-load, r...

$6.93
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Graco 110293 Tube Lubricant Grease, 4 0Z

Item No: 73a

Part Number: 110293

UPC Number: 633955150553

The Graco 110294 Metallic Ball is a precision check valve ball designed for high-flow pump assemblie...

Retail Price: $48.60
You save: $2.67 (5.49%)
Our Price: $45.93
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Graco 107267 Insulated Female Terminal

Item No: 75a

Part Number: 107267

UPC Number: 633955176126

The Graco 107267 Insulated Female Terminal ensures secure and insulated electrical connections in Gr...

$7.69
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Graco 221077 Pressure Dump Valve

Item No: 76

Part Number: 221077

UPC Number: 633955058040

The Graco 221077 Pressure Dump Valve safely releases trapped pressure and allows smooth switching be...

Retail Price: $195.00
You save: $20.28 (10.40%)
Our Price: $174.72
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Graco 103473 Wire Tie

Item No: 87

Part Number: 103473

UPC Number: 633955202306

The Graco 103473 Wire Tie is an OEM strap designed to organize and secure wiring or small hoses on m...

$40.70
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Graco 103927 Hose Clamp

Item No: 93

Part Number: 103927

UPC Number: 633955209039

The Graco 103927 Clamp, Hose is an OEM stainless-steel clamp designed for secure hose connections in...

$12.89
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Graco 178342 Spring Clip

Item No: 94

Part Number: 178342

UPC Number: 633955196896

The Graco 178342 Spring Clip ensures key components in your Graco airless sprayer stay securely in p...

$7.51
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Graco 183281 Tube By-Pass

Item No: 95

Part Number: 183281

UPC Number: 633955014916

A Genuine OEM Replacement Part Graco 183281 Tube By-Pass is an essential component designed to ensu...

$28.62
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Graco Ultra 500 Lo‑Boy Electric Airless Sprayer – Complete Parts & Maintenance Breakdown

The Graco Ultra 500 is a dependable graco electric paint sprayer built for contractors and homeowners alike. With a compact Lo‑Boy cart design, this unit delivers up to 2750 psi maximum spray pressure. The Ultra 500 harnesses a ½ HP motor, robust pump, and reliable components, letting you tackle hallway walls or fence panels with the same precision as larger sprayer systems.

To maintain its longevity and performance, it’s essential to understand its internal layout and the paint sprayer parts that keep it running—especially if you're pairing it with a graco airless spray gun.

Key Components You Need to Know

Here’s a breakdown of the Ultra 500’s major parts:

1. Motor & Drive Assembly

  • ½ HP electric motor (220–678) paired with gear reducer (218–364) and crankshaft assembly (218–242) provide smooth, steady fluid delivery.

2. Displacement Pump (222–584)

  • An internal fluid section rated for 2750 psi; includes piston assembly, rod, packings, and valve components laid out through items 202–225.

3. Bearing & Drive Housing

  • Drive housing (223–100) supports coupling between motor gearbox and pump assembly; critical for avoiding rod misalignment.

4. Filters & Seals

  • Stainless steel inlet strainer and 60‑mesh fluid filter protect internal parts from clogs.

  • Throat Seal Liquid (206–994) ensures seal longevity between sessions.

5. Pressure Control Unit (220–455)

  • Features valve, circuit board, switch, potentiometer, and power cord—responsible for maintaining spray pressure with a maximum of 2750 psi.

6. Hoses & Spray Gun

  • Standard setup includes grounded Hoses (½″ and whip) with spring guards and a compatible graco airless spray gun—the classic Contractor PC-style model fitted with RAC IV tip guard and SwitchTip system.

Why Genuine Parts Matter

Using OEM graco paint sprayer parts ensures:

  • Proper pressure ratings and safety—especially for high-pressure parts like hoses, seals, and fittings.

  • Long-term durability thanks to hardened components and premium materials.

  • Compatible wear parts like graco magnum x5 parts—many spray tips, guards, and hose fittings used in Magnum systems fit perfectly with the Ultra 500.

  • Warranty continuity and technical support.

Replacement Pump Options & Maintenance

Displacement Pump Maintenance

Upgrade your fluid section using OEM graco replacement pump kits (ProConnect style), complete with piston rod and seal packings.

DIY Pump Rebuild

Order graco pump repair kits (number 222–587) that include packings, pistons, seals, and valves—great for restoring worn pumps.

Professional Pump Repair

If assembling isn’t your preference, look for graco pump repair near me. Certified service centers routinely rebuild or replace fluid sections to Graco spec for fast results and peace of mind.

Routine Care & Best Practices

  1. Clean & Flush Regularly
    After every project, flush hoses and pumps with water, then mineral spirits. Store with TSL to protect seals.

  2. Replace Filters Frequently
    Inspect and swap outlet filters monthly or after ~500 gallons. A clogged fluid filter can starve the pump and cause premature wear.

  3. Torque Maintenance Hardware Correctly
    Follow the manual’s torque specs (e.g., retaining nuts at 95 N·m) to keep connections tight and leak-free.

  4. Check Hose Integrity
    Look for bulges or cracks, particularly at fittings and whip ends. Replace compromised hoses and ensure hoses match pumps’ pressure rating.

  5. Upgrade Pump Preemptively
    Installing a graco replacement pump proactively every 2–3 years or 1,000–1,500 gallons saves costly downtime later.

Accessory Compatibility & Options

  • Use RAC IV SwitchTip guards that align with graco magnum x5 parts, offering flexible nozzle and filter options.

  • Add extension wands or pole guns for high or detailed areas.

  • Use quick-coupler accessories like whip hoses and pressure gauges to optimize spray flow.

  • Stock consumables like TSL, pump armor, and seal kits to ensure consistency.

Troubleshooting & Local Service Options

Low Pressure or Spitting Gun?

  • Likely causes include clogged filters, worn packings, or a weak pump. Graco replacement pump swap or pump repair kits can correct most issues.

Leaks Around Pump?

  • Inspect and replace seals or O-rings. If the leak persists, combine housing and pump replacement.

Still Stuck?

  • Search graco pump repair near me for specialized service at authorized centers—they can diagnose issues quickly and get you running again.

Final Takeaway

The Graco Ultra 500 Lo‑Boy is a rugged, efficient graco electric paint sprayer, perfect for moderate-to-heavy-duty projects. Keeping it operational hinges on maintaining OEM components—graco replacement pumps, filter assemblies, hoses, guns, and seals. Tools like graco pump repair kits or ProConnect pump assemblies enable either DIY fixes or quick swaps.

Combining this unit with standard graco magnum x5 parts streamlines inventory and accessory compatibility. And if issues escalate, locating a graco pump repair near me ensures you can restore the machine to factory-standard performance quickly.

For complete parts diagrams, OEM numbers, and same-day shipping, visit SprayersAndParts.com—a one-stop resource for service, support, and sprayer excellence.

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