Graco 168211 Connecting Rod Nut
Graco 168211 Nut, Connecting Rod is a critical pump hardware component used to secure the connection between the air motor and displacement rod for reliable spraying performance.
- Thread Size: 3/4-10 UN
- Used in King, Bulldog & Power-Flo pump systems
- Ensures stable rod alignment and pump efficiency
- Genuine Graco replacement hardware
Graco 168211 Nut, Connecting Rod – Replacement Part Overview
Compatible Machines
This Nut, Connecting Rod is commonly used in several Graco industrial displacement pump systems. Machines known to use this part include:
- Graco King Series Pumps (e.g., 218-174, 220-505)
- Graco Bulldog Series Pumps (e.g., 222-638, 222-526)
- Graco Power-Flo Series Pumps (e.g., 222528, 223986)
- Other Graco Pumps using 3/4-10 thread connecting rod design
Part Details
The Graco 168211 Nut, Connecting Rod is a threaded hardware component found within the displacement pump assembly. It is responsible for securing the connection between the air motor rod and the displacement rod, maintaining structural alignment and smooth pumping performance.
| Specification | Details |
|---|---|
| Part Number | 168211 |
| Component Name | Nut, Connecting Rod |
| Thread Size | 3/4-10 (UN Thread) |
| General Use | Displacement Pump Rod Fastening |
| Installation Location | Rod linkage between air motor/piston and displacement rod |
Why This Part Matters
Without a securely installed connecting rod nut, the pump system may experience misalignment, reduced performance, or mechanical failure. Replacing a worn or damaged nut is essential to ensure stable and efficient pumping performance over extended operating periods.
Installation Notes
- Verify thread match before installation.
- Tighten to recommended torque specifications provided in your pump's service manual.
- Inspect rod alignment after installation.
- Use only genuine replacement hardware for long-term durability.
Frequently Asked Questions
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