Unlock Maximum Uptime with Quality Graco GMAXII 5900 Series Gas Airless Sprayer Parts Spares
Graco GMAXII 5900 airless sprayer is the contractor’s “Swiss-army” gas rig—pairing a dependable Honda GX200 with a 1.6 gpm Endurance™ pump that will shove a 0.043″ tip through high-solids elastomeric all day long. 3 300 psi on tap means exterior block walls, intumescent coatings and two-gun production are fair game. But one worn packing or torn suction tube can switch the meter from billable gallons to $0/hr idle crew. That’s why pro painters, fire-proofing outfits and DOT stripers trust SprayersAndParts.com for OEM-serialized parts that ship same day and arrive torque-sheet ready.
Why Genuine Graco Parts Are the Only Parts Worth Buying
- Chromex® Rod & MaxLife™ Seats – 64 Rc nitrided steel shrugs off titanium-dioxide that shreds stainless copycats in a weekend.
- V-Max Blue™ Packings – UHMW/leather stack self-lubricates from 40 °F dawn starts to 110 °F rooftops—zero weep-by, zero callbacks.
- SmartControl™ 4.0 Board – Holds fan width ±1 %; clone boards “hunt” and blow 10 % of every bucket into overspray with graco gas airless sprayer.
- Endurance™ Vortex Pump – Up to twice the life of standard lowers and swaps in 60 s via ProConnect 2—no vise, no downtime with airless sprayer accessories.
- Warranty Intact – Graco honours engine / pump coverage only when every replacement carries a factory serial.
Key Performance Specs
| Metric | Value |
|---|---|
| Engine | Honda GX200, 6.5 hp recoil |
| Max Working Pressure | 3 300 psi / 228 bar |
| Max Flow | 1.6 gpm / 6.1 L min |
| Tip Size (1 gun) | Up to 0.043″ |
| Hose Length | 150 ft standard; 300 ft w/ ⅜″ supply |
| Pump Swap Time | < 60 s (ProConnect 2) |
| Dry Weight | 135 lb (Hi-Boy) |
Specs validated from Graco’s Standard, ProContractor and IronMan data sheets.
One Parts Bin, Many Machine Saves
Graco designed the 5900 lower, gun and manifold to interchange across mid- and big-frame gas rigs. Stocking a single kit covers:
- GMAXII 5900 – native fit for Standard, ProContractor & IronMan trims.
- Ultra Max II 695 / 795 – identical Endurance rod, seats and Easy-Out™ filter stack.
- Ultra Max II 1095 / 1595 – Endurance 287513 lower bolts right on when the big electric coughs.
- Graco TrueCoat 360 VSP – LP tips & guards ensure touch-up blends match the main rig.
- Graco Magnum Project Painter Plus & XR7 – share RAC X guards, suction strainers and tip cleaning needles.
Top-Moving GMAXII 5900 Replacement Parts
- 287513 Endurance™ Pump Lower – Chromex rod, V-Max packings, MaxLife seats; hydro-tested at 5 000 psi.
- 19D873 Vortex Piston Pump – helical swirl doubles cup-seal life by rotating 360° every stroke.
- 17Y297 Contractor PC Gun – 30-second cartridge rebuild; weighs 25 % less than FTx.
- BlueMax II 50-ft ⅜″ Hose – steel-wire braid rated 5 % lighter yet 10 % more flexible.
- RAC X LP 517 Tip + Guard – sprays wall latex at 1 600 psi, dropping overspray ~18 %.
- Easy-Out™ Filter Trio – 30-mesh (block fillers), 60-mesh (latex), 100-mesh (enamels).
Five Daily Habits for a 1 000-Hour 5900 Run
- Flush Warm @ 100 °F – latex breaks down 30 % faster; BlueMax liners safe to 160 °F.
- Add TSL Each Bucket – five wet-cup drops every fill keeps Chromex rods mirror-smooth.
- Re-torque Packings After First Hour – leather seats when hydrated; one snug lasts the season.
- Mesh-to-Tip Discipline – 30-mesh ≥ 0.029″, 60-mesh 0.017–0.027″, 100-mesh for cabinet enamel.
- Colour-Code Parts Bins – blue = electric rigs, red = gas, green = handheld; no midnight mix-ups.
Lower Pressure • Fewer VOCs • Happier Clients
RAC X LP tips at 1 600 psi vs 2 300 psi save 0.12 gal paint per 1 000 ft²—cutting VOCs 11 lb on a 200-gal project. Chromex rods outlive clones by two repacks, sparing 1.2 lb steel landfill each swap. Kraft cartons are 90 % recycled; boards are RoHS-compliant.
Quick Answers From the Bench
Will Endurance 287513 fit my 495 electric?
Yes—stroke length identical; reuse your ProConnect door.
Maximum hose run with 0.031″ tip?
200 ft: ⅜″ BlueMax 150 ft + ¼″ whip 50 ft keeps 2 900 psi at gun.
Spraying solvent urethane okay?
Packings solvent-rated; flush xylene then store in Pump Armor™.
Turn Downtime Into Billable Gallons
Add an Endurance pump, filter trio, LP tip bundle and a back-up suction tube to your cart now. We ship —so tomorrow your GMAXII 5900 sparks first pull, sprays razor-flat films and keeps invoices flowing.