2216064010 Toyota SCREW SUB-ASSY, OVER FLOW, NO.2, Price: 18.51$, Weight: 0.026kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Toyota |
2216064010 |
SCREW SUB-ASSY, OVER FLOW, NO.2 |
3 |
0.026 |
2-3 |
18.51$ |
Overflow Screw Assembly for Toyota Fuel Systems
This small but critical screw-and-seal unit manages excess fuel returning from the pump or rail. In Toyota engines it stabilizes pressure, helps purge air during service, and protects seals from spikes. Built from hardened steel with a precise orifice, it delivers predictable flow and leak-free sealing.
Why this part is needed ⛽
Proper fuel pressure means clean starts, steady idle, and good economy. The overflow path controls return volume, preventing surges that can wash injectors, overheat components, or aerate the system. It also acts as a convenient bleed point after repairs.
How it works
A threaded body seats into the pump/rail housing. Inside, a calibrated passage and crush washer or O-ring regulate flow. When fuel pressure rises beyond a set window, excess returns to the tank, keeping the system in balance and free of air pockets.
Symptoms and failures ⚠️
Leaks, fuel smell, wet housing, hard starts, rough idle, rail pressure codes, poor mpg, or noisy injectors. If stuck open you’ll lose pressure; if restricted, seals can blow and idle will surge. Left unattended, it risks stalling and even fire from fuel drips.
Install tips
Match thread and seat, always use a new washer/seal, torque to spec, and bleed the line. Keep the port clean—no grit. Choose OEM-grade for correct flow, long life, and exact Toyota fitment.