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🚗 Upgrade your ride with AISIN’s precision vacuum valve—because your Toyota deserves the best!
The AISIN VST-001 Vacuum Switching Valve is a high-quality OEM replacement part designed specifically for select Toyota 4Runner, T100, and Tacoma models. Engineered using advanced magnetic field simulation and bench testing, it ensures precise vacuum flow control. Constructed from lightweight resin and heat-resistant fluorine rubber, it offers durability and vibration resistance in harsh engine environments. This valve matches exact OEM specifications for easy installation and reliable long-term performance.




| Asin | B00NFJIF78 |
| Best Sellers Rank | #63,846 in Automotive (See Top 100 in Automotive) #5 in Automotive Replacement Emission Vacuum Valves |
| Brand Name | AISIN |
| Customer Reviews | 4.5 4.5 out of 5 stars (337) 4.5 out of 5 stars |
| Exterior Finish | Machined |
| Global Trade Identification Number | 00030915580694 |
| Included Components | valve |
| Inlet Connection Size | 2.6 inches |
| Inlet Connection Type | Threaded |
| Item Dimensions | 4.1 x 2.6 x 1.8 inches |
| Item Type Name | valve |
| Item Weight | 22.68 g |
| Manufacturer | Aisin |
| Manufacturer Part Number | VST-001 |
| Manufacturer Warranty Description | Includes manufacturer provided warranty |
| Material Type | Rubber,Resin |
| Model Number | VST-001 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Number Of Pieces | 1 |
| Number Of Ports | 2 |
| Outlet Connection Size | 2.6 inches |
| Outlet Connection Type | NPT |
| Thread Size | 2.6 inches |
| Unit Count | 1 Count |
| Upc | 030915580694 |
| Valve Type | vacuum switch |
User
Works great
Great quality, works great
User
Perfect match to OEM
Same brand as OEM, just doesn’t have TOYOTA printed on it. Also cost is way less. Installed on my 2001 Tacoma 2.7. Located under the intake manifold, not an easy task. Took me 1 1/2 hours, professional could probably do it in a quarter of that time. My Blue Driver diagnostic dongle was correct, this was the defective part. It’s been months since installation without another CHECK ENGINE light. Super satisfied.If you’re not very mechanically inclined, I would recommend professional installation.
User
Saved me! Cured 0402 code.
A perfect fit for my 2001 Tacoma 2.7 L 3RZ-FE. I suddenly had a 0402 code, and many mechanics suggest this part as it is a common failure on older Tacomas. They were right. This part cured my 0402 code issue. It's tough to replace since it is deep under the intake manifold, but I was able to squeeze my hand and wrist in deep enough to make the swap after some initial frustration. This part does fit exactly as the OEM part. I added several photos of the part because I had a hard time finding any photos which showed that it had the required screw hole. I thought better photos would help the next guy be more confident with buying it.
User
great price for OEM part
best price for this oem part. dont mess with aftermarket VSV's, just get this one. worked great for a faulty EGR vsv on a 98 tacoma 2.4. this is what you need for your 26+ year old VSV
User
So far so good
I recently bought a 1997 Tacoma with 78k miles on it. I love it, men want it and are surprised it’s a woman’s truck lol. I had a p0402 code. Replaced the Egr modulator and the light came back on a few days later. Pulled the valve (prior owner replaced a couple years ago) and it barely had carbon but cleaned it anyway and the light came back on a few days later. Did some research a saw this part replacement could resolve the issue. This part was put on over a week now and so far so good. The light has not came back on 🤞🏻
User
THIS INSTEAD OF EGR FIXED!
So far so good!! Fixed the problem and the code that kept reading EGR valve after I had fixed it!
User
Seller doesn't know what his own parts are
THIS DOES NOT FIT ON A 1996 TOYOTA TACOMA 2.4. JOKE. APPRECIATE YOU WASTING MY TIME.
User
Perfect fit for my 04 Tacoma
The part was a perfect fit, the engine design by Toyota was the challenge. It would really help to have smaller hands to do this job quicker. Solved the check engine light right away.
User
EGR valve issue
Good quality. Solved the egr issue of my Tacoma 04 code "P0402".
User
Excelente
Funciona a la perfección y se borró el check del tablero se lo instale a una Toyota Tacoma SR5 4x4 modelo 2000 motor 2.7 de 4 cilindros
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