

The Graco 109318 V‑Packing; Piston; PTFE is a durable replacement seal designed for precise piston performance in compatible Graco pumps. Key features include:
This page details the genuine Graco part number 109318 (V‑Packing; Piston; PTFE) and the specific pump model(s) it fits. Use this information to ensure correct selection for maintenance and repair.
The part 109318 V‑Packing; piston; PTFE is a piston‑packing seal made of PTFE (polytetrafluoroethylene) used in certain Graco displacement pumps. According to the official manual, it is listed under piston packings for model 241648 Series A. :contentReference[oaicite:2]{index=2}
When replacing pump packings, always verify that your pump model and series match the manual’s parts list. Using the wrong packing can lead to improper sealing, reduced pump life and warranty issues.
| Specification | Details |
|---|---|
| Material | PTFE (V‑packing, piston) – Carbon‑filled PTFE for water up to 60 °C in the 241648 pump. :contentReference[oaicite:3]{index=3} |
| Use Location | Piston packing in the fluid‑end of the displacement pump. |
| Quantity per Pump | 2 pieces (per pump cylinder) for model 241648 Series A. :contentReference[oaicite:4]{index=4} |
| Torque Note | For model 241648 Series A limit packing‑nut torque to 27‑40 N·m (20‑30 ft‑lb). :contentReference[oaicite:5]{index=5} |
While the part 109318 is confirmed for the 241648 Series A pump, verifying your exact pump model and packing type is essential. Some pumps use UHMWPE or other materials rather than PTFE, so the correct part number may differ. :contentReference[oaicite:6]{index=6}
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