Description
Product Overview
The 238286 Air Motor Repair Kit from mooncar is engineered for the Graco 5:1 Fire‑Ball 300 series pumps, including models 203857, 203872, 203876, 204254, and 222087. Crafted from high‑grade polyvinyl chloride (PVC) and premium rubber, each component offers superior sealing, wear resistance, and corrosion protection. The kit measures 7.8 x 7.5 x 0.6 inches and weighs just 3.84 ounces, making it compact yet comprehensive. Inside you will find lock‑wire transfer valves, nuts, poppet valves, grommets, nitrile and Buna‑N O‑rings, and additional valve parts, all designed to restore optimal performance to your air motor quickly and efficiently.
Usage
This repair kit is ideal for automotive technicians, fleet maintenance teams, and DIY enthusiasts who service fire‑ball air motors in oil pump systems. Whether you are addressing leakage, worn seals, or damaged valve components, the kit provides everything needed for a complete overhaul. Install the parts in a workshop, garage, or on‑site service bay; the straightforward design ensures a fast turnaround, minimizing equipment downtime. 
Why Choose Us
Mooncar’s commitment to quality is reflected in the material selection and rigorous testing of each part. The PVC used resists impact, deformation, and aging, while the rubber O‑rings maintain elasticity across temperature variations. Our kits are assembled with precision, guaranteeing a perfect fit for the specified Graco models. Additionally, we back every purchase with responsive customer support and a satisfaction guarantee, ensuring you receive professional assistance whenever needed.
Key Features
- Complete set of OEM‑compatible parts for Graco Fire‑Ball air motors.
- Premium PVC and rubber construction for long‑lasting durability.
- Easy, tool‑free installation reduces service time.
- Leak‑proof sealing with high‑quality nitrile and Buna‑N O‑rings.
- Backed by mooncar’s customer service and satisfaction guarantee.
FAQ
Which pump models are compatible with this kit?
The kit fits Graco 5:1 Fire‑Ball 300 series pumps, specifically models 203857, 203872, 203876, 204254, and 222087.
Do I need any special tools to install the parts?
No special tools are required; the components are designed for hand installation with basic wrenches or screwdrivers.
How does the PVC material improve performance?
PVC offers excellent resistance to corrosion, impact, and deformation, ensuring the valves and grommets maintain their shape and sealing capability over time.
What is the warranty on this repair kit?
Mooncar provides a one‑year limited warranty covering manufacturing defects, plus a satisfaction guarantee for any installation issues.
Can this kit be used for other brands of air motors?
The components are specifically sized for Graco Fire‑Ball models; using them on other brands may result in improper fit or performance issues.




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