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Graco 214584 Air Motor Repair Kit

Revive your Fast-Flo air motor with Graco 214584 Repair Kit.

Stop leaks, recover cycle speed, and get your transfer pump back to dependable performance. Graco 214584 kit is specified for the 1:1 Fast-Flo air motor and is listed as suitable for the 215963 Series A air motor, exactly the drive many shops use to feed materials from drums or totes.

Inside the kit you’ll find the factory stack that restores the air section’s seal and timing: polychloroprene gaskets, a nitrile V-block packing, backup washer, air-exhaust valve plate, plus the two O-rings called out in the service drawing. Install during a scheduled stop, then prime and verify a clean, steady stroke before returning to production.

For buyers standardizing on OEM graco sprayer parts, using the correct kit prevents mixing non-matching seals and avoids repeat teardowns. Stock one with your routine paint sprayer parts, screens, O-rings, and filters, so a minor air-side issue never costs you a shift. 

$76.83
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Based on 1 reviews
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09/06/2025
Jose Alvarez
Item arrived in excellent condition, exactly as described. Packed securely and shipped quickly. Great price. I’ve bought from Sprayers & Parts many times, and they consistently deliver Genuine Graco products. Thank you!

Restore Fast-Flo air-motor performance with the OEM Graco 214584 Repair Kit and keep material moving to your finishing line.

The 214584 kit refreshes the air side of Graco Fast-Flo 1:1 transfer pumps by replacing the seals and wear items that control timing, reversal, and internal leakage. A tight, correctly timed air motor cycles cleanly, primes quickly, and feeds a steady stream to your day tank or finishing station. If your transfer pump has slowed, stalls at stroke ends, or hisses at rest, a scheduled 214584 rebuild brings it back to factory behavior without guesswork.

Where this kit fits

The 214584 Repair Kit services the air motor used on Graco’s Fast-Flo 1:1 transfer pumps. Documentation identifies the kit specifically for the Fast-Flo air motor and shows it as suitable for the 215963 Series A air motor. If your pump nameplate or parts manual references air motor 215963 (or its replacement notes), this is the small-parts set you’ll use during an air-side rebuild. Always confirm against your serial-specific diagram. 

What’s in the box (per the factory drawing)

  • Gaskets, polychloroprene (Qty 2)
  • Packing, V-block, nitrile rubber (Qty 1)
  • Washer, backup (Qty 1)
  • Plate, air exhaust valve (Qty 1)
  • O-ring, 1.75 in (44 mm) ID (Qty 1)
  • O-ring, 0.25 in (6 mm) ID (Qty 3)

These are the exact consumables that restore sealing surfaces in the shuttle and exhaust paths, nothing generic, no guesswork. 

Why an air-motor refresh matters

The Fast-Flo pump depends on an air-tight, correctly timed motor to drive a smooth piston stroke. Worn gaskets or V-packings let air bypass, which shows up as sluggish cycling, stalls at the end of stroke, or inconsistent feed at your day tank. Replacing the specified seals and plates brings the motor back to design behavior, protecting the pump and stabilizing supply to your finishing line or proportioner. Graco’s Fast-Flo family is designed to deliver reliable flow up to 180 psi air input performance you only see when the air section is in the right specification.

Typical uses and system context

Fast-Flo 1:1 pumps are widely used for low-viscosity material transfer from drums or totes and as supply pumps feeding finishing equipment. In many shops, a refreshed Fast-Flo keeps coating moving to circulating systems or to the hopper that feeds your spray station, so your finishing lane stays predictable and your crew spends time spraying, not troubleshooting. 

Five signs it’s time for 214584

  • Air hissing past the motor even at rest
  • Intermittent stalls or hesitation at stroke reversal
  • More purge/prime time to get stable flow
  • Oil or moisture contamination damaging motor seals
  • Rebuild interval reached per your maintenance log

Field-friendly replacement overview

  1. Lock out and relieve air pressure; isolate the pump.
  2. Follow the Fast-Flo air motor manual (307456) to access the air section.
  3. Replace gaskets, V-packing, exhaust plate, and O-rings one stage at a time, matching the factory drawing.
  4. Reassemble, reconnect air, and cycle at low pressure to confirm smooth reversal and no external leakage.
  5. Return to operating pressure and verify steady delivery to your process.

How this supports your finishing workflow

A healthy transfer pump stabilizes supply to circulation lines and to the hoppers that feed graco spray rigs on the floor. If your gun pattern has been drifting because upstream flow is inconsistent, restoring air-motor sealing is the fastest, least expensive way to eliminate a hidden bottleneck before you chase settings at the booth.

Stocking and service planning

Treat 214584 as a scheduled-maintenance consumable. Keeping one kit on hand alongside filters and strainers means you can rebuild at shift change rather than waiting days for parts. When you’re organizing bins of graco airless sprayer parts, add a clearly labeled envelope for this air-motor kit so technicians can grab everything needed for the service window in one pass.

OEM accuracy versus guesswork

Because the kit matches the Fast-Flo air-side geometry, it restores the intended clearances and timing. Off-spec copies can leave micro-leaks or misalign the exhaust plate, which just sends you back inside the motor. For buyers already using OEM graco sprayer parts, this kit keeps your documentation, training, and performance consistent across shifts.

Compatibility notes and cross-references

The air motor manual (307456) explicitly references the 215963 Series A motor and its replacement kit (223099) for full motor swaps. The 214584 kit is the small-parts set that services the existing motor; use your model/serial to confirm before ordering. If your pump is one of the common 22694x Fast-Flo models, those manuals also refer you back to 307456 for air-motor service details. 

Need help deciding between rebuild and replacement?

If scheduling or staffing makes a full swap more practical, consider ordering a complete air-motor replacement kit (per your manual) and rebuild the original on the bench later. Shops that don’t have in-house technicians often search graco pump repair near me; having this kit on hand lets a service center turn the job quickly and gets your line moving sooner.

Bottom line

The Graco 214584 Repair Kit restores the Fast-Flo air motor to factory behavior with the exact seals and plates specified in the service drawing. Use it to stop nuisance air leaks, recover stroke timing, and keep material moving to your finishing station. Pair disciplined maintenance with the right paint sprayer parts inventory, and your transfer system will support production day after day.

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