What is the process for diagnosing and replacing Canister Purge Valve and Vapor Canister in the EVAP system on Lexus RX350?

The Evaporative Emissions Control (EVAP) system serves to absorb fuel vapors and release them into the intake manifold during engine operation. It comprises the fuel tank filler neck cap, EVAP canister, vapor pressure sensor, canister closed valve, pressure switching valve, and purge valve. The EVAP canister's contents are purged when the pressure inside the sealed fuel tank increases due to fuel evaporation, and the canister stores vapors until the PCM initiates purging through the purge valve, allowing vapors into the intake manifold. The vapor pressure sensor on the fuel tank monitors pressure, signaling the PCM to open the pressure switching valve for purging. A purge valve regulates vapor flow, while the canister closed valve vents atmospheric air during purging and closes for testing. The EVAP system undergoes a diagnostic monitor to check for leaks, involving purging, pressure change monitoring, and venting checks. Replacements involve disconnecting the negative battery terminal, removing engine covers if applicable, disconnecting connectors, vacuum hoses, mounting screws or bolts, and then installing replacements following the reverse process. The EVAP canister's location varies, with different components serviced depending on the model year.

Genuine Lexus RX350 Canister Purge Valve

Vapor Canister Purge Valve EVAP

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28 Canister Purge Valves found

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Lexus RX350 Valve, Vacuum Regulating
Part Number: 25819-0W010
$132.46 MSRP: $180.58
You Save: $48.12 (27%)
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Product Specifications
- Other Name: Valve Assy, Vacuum Regulating; Regulator Valve, Vacuum Valve
- Manufacturer Note: MARK=25819-0W010
- Replaced by: 25819-F0010
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2023-2025 Lexus RX350 | 4 Cyl 2.4L | T24AFTS; TALA10L-AWZGTA
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Lexus RX350 Vacuum Switching Valve Assembly
Part Number: 25860-62010
$105.15 MSRP: $142.20
You Save: $37.05 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Valve Assy, Vacuum Switching, NO.1; Vacuum Switch, Vacuum Valve, Valve
- Manufacturer Note: NO.1
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007 Lexus RX350 | STD | 6 Cyl 3.3L | 3MZFE; MCU33L-AWAGKA, MCU33L-CWAGKA, MCU38L-AWAGKA, MCU38L-CWAGKA
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Lexus RX350 Valve, Duty Vacuum Switching
Part Number: 90910-12204
$83.63 MSRP: $113.09
You Save: $29.46 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Vacuum Valve
- Manufacturer Note: NO.2
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007-2015 Lexus RX350 | STD | 6 Cyl 3.3L, 6 Cyl 3.5L | 2GRFE, 3MZFE; GGL10L-AWTGKA, GGL10L-CWTGKA, GGL15L-AWTGKA, GGL15L-CWTGKA, GGL15L-CWZGKA, GSU30L-AWAGKA, GSU30L-CWAGKA, GSU35L-AWAGKA, GSU35L-CWAGKA, MCU33L-AWAGKA, MCU33L-CWAGKA, MCU38L-AWAGKA, MCU38L-CWAGKA
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Lexus RX350 Valve Assy, Vacuum Switching, NO.1
Part Number: 25860-46010
$85.23 MSRP: $115.26
You Save: $30.03 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Vacuum Valve
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2016-2022 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFKS; GGL20L-CWZGBA, GGL25L-AWZGBA, GGL25L-BWZGBA, GGL25L-CWZGBA
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Lexus RX350 Valve, Duty Vacuum Switching
Part Number: 90910-12259
$83.63 MSRP: $113.09
You Save: $29.46 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Vacuum Valve, Valve
- Replaces: 90910-12272
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007 Lexus RX350 | STD | 6 Cyl 3.3L | 3MZFE; MCU33L-AWAGKA, MCU33L-CWAGKA, MCU38L-AWAGKA, MCU38L-CWAGKA
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Lexus RX350 Valve, Duty Vacuum Switching
Part Number: 90910-12272
$84.99 MSRP: $113.09
You Save: $28.10 (25%)
Ships in 1-3 Business Days
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Product Specifications
- Replaced by: 90910-12259
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007 Lexus RX350 | STD | 6 Cyl 3.3L | 3MZFE; MCU33L-AWAGKA, MCU33L-CWAGKA, MCU38L-AWAGKA, MCU38L-CWAGKA
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Lexus RX350 Valve Assy, Fuel Tank Solenoid Main
Part Number: 77710-48020
$487.79 MSRP: $676.13
You Save: $188.34 (28%)
Ships in 1-3 Business Days
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Product Specifications
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2010-2022 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFXE, 2GRFXS; GYL10L-AWXGKA, GYL10L-CWXGKA, GYL15L-AWXGKA, GYL15L-CWXGKA, GYL20L-CWXGBA, GYL25L-AWXGBA, GYL25L-CWXGBA
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Lexus RX350 Valve, Vacuum Switching, NO.1
Part Number: 25860-31070
$92.98 MSRP: $125.74
You Save: $32.76 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007-2015 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFE, 2GRFXE; GGL10L-AWTGKA, GGL10L-CWTGKA, GGL15L-AWTGKA, GGL15L-CWTGKA, GGL15L-CWZGKA, GSU30L-AWAGKA, GSU30L-CWAGKA, GSU35L-AWAGKA, GSU35L-CWAGKA, GYL10L-AWXGKA, GYL10L-CWXGKA, GYL15L-AWXGKA, GYL15L-CWXGKA
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Lexus RX350 Valve, Duty Vacuum Switching
Part Number: 90910-12283
$94.74 MSRP: $126.06
You Save: $31.32 (25%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve, Duty Vacuum S; Purge Control Valve, Vacuum Valve
- Manufacturer Note: (J)
- Replaced by: 90910-AC004
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2023-2025 Lexus RX350 | 4 Cyl 2.4L | T24AFTS; TALA10L-AWZGTA, TALA10L-CWZGTA, TALA15L-CWZGTA
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Lexus RX350 Vacuum Switching Valve Assembly
Part Number: 25860-0P090
$93.22 MSRP: $126.06
You Save: $32.84 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assembly, Vacuum S; Vacuum Switch, Vacuum Valve
- Manufacturer Note: (L),NO.1
- Replaces: 25860-31110
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2016-2022 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFKS; GGL20L-CWZGBA, GGL25L-AWZGBA, GGL25L-BWZGBA, GGL25L-CWZGBA
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Lexus RX350 Vacuum Switching Valve Assembly
Part Number: 25860-31090
$104.05 MSRP: $140.70
You Save: $36.65 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy, Vacuum Switching, NO.1; Purge Control Valve, Vacuum Switch, Vacuum Valve
- Manufacturer Note: TYPE A:REFER ILLUST.
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2016-2022 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFXS; GYL20L-CWXGBA, GYL25L-AWXGBA, GYL25L-CWXGBA
View related parts
Lexus RX350 Vacuum Switching Valve Assembly
Part Number: 25860-31110
$94.74 MSRP: $126.06
You Save: $31.32 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy, Vacuum Switching, NO.1
- Replaced by: 25860-0P090
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2016-2022 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFKS; GGL20L-CWZGBA, GGL25L-AWZGBA, GGL25L-BWZGBA, GGL25L-CWZGBA
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Lexus RX350 Vacuum Switching Valve Assembly
Part Number: 25860-0A010
$101.34 MSRP: $137.05
You Save: $35.71 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy, Vacuum Switching; Vacuum Switch, Vacuum Valve
- Replaces: 25860-20040
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007-2009 Lexus RX350 | STD | 6 Cyl 3.3L, 6 Cyl 3.5L | 2GRFE, 3MZFE; GSU30L-CWAGKA, GSU35L-CWAGKA, MCU33L-CWAGKA, MCU38L-CWAGKA
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Lexus RX350 VALVE, DUTY VACUUM S
Part Number: 90910-AC004
$93.22 MSRP: $126.06
You Save: $32.84 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Purge Control Valve, Vacuum Valve
- Manufacturer Note: (L)
- Replaces: 90910-12283
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2023-2025 Lexus RX350 | 4 Cyl 2.4L | T24AFTS; TALA10L-AWZGTA, T24AFTS; TALA10L-CWZGTA, TALA10L-CWZGTA, TALA15L-CWZGTA
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Lexus RX350 Valve, Vacuum Switch
Part Number: 90910-12132
$108.49 MSRP: $144.36
You Save: $35.87 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy, Vacuum Switching, NO.2
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2016-2022 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFKS; GGL20L-CWZGBA, GGL25L-AWZGBA, GGL25L-BWZGBA, GGL25L-CWZGBA
View related parts
Lexus RX350 Vacuum Switching Valve Assembly
Part Number: 25860-F0020
$93.59 MSRP: $126.56
You Save: $32.97 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assembly, Vacuum S; Vacuum Switch, Vacuum Valve
- Replaces: 25860-25020
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2023-2025 Lexus RX350 | 4 Cyl 2.5L | A25AFXS; AALH15L-AWXGBA, A25AFXS; AALH15L-CWXGBA, AALH16L-AWXGBA
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Lexus RX350 Vacuum Switching Valve Assembly
Part Number: 25860-0P070
$107.12 MSRP: $144.86
You Save: $37.74 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assy, Vacuum Switching, NO.1; Vacuum Switch, Vacuum Valve
- Manufacturer Note: NO.3
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2016-2022 Lexus RX350 | 6 Cyl 3.5L | 2GRFKS; GGL20L-CWZGBA, GGL25L-CWZGBA
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Lexus RX350 VALVE, VACUUM REGULA
Part Number: 25819-0W030
$141.51 MSRP: $192.93
You Save: $51.42 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Regulator Valve
- Manufacturer Note: MARK=25819-0W030
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2023-2025 Lexus RX350 | 4 Cyl 2.4L | T24AFTS; TALA10L-CWZGTA, TALA15L-CWZGTA
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Lexus RX350 Valve Assembly, Vacuum S
Part Number: 25860-25020
$95.11 MSRP: $126.56
You Save: $31.45 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 25860-F0020
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2023-2025 Lexus RX350 | 4 Cyl 2.5L | A25AFXS; AALH15L-AWXGBA, AALH16L-AWXGBA
View related parts
Lexus RX350 Vacuum Switching Valve Assembly
Part Number: 25860-31160
$95.11 MSRP: $126.56
You Save: $31.45 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Assembly, Vacuum S
- Manufacturer Note: NO.1
- Replaced by: 25860-0P050
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2017-2022 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFXS; GYL25L-AWXGBA

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1-20 of 28 Results

Lexus RX350 Canister Purge Valve

The Lexus RX350 Canister Purge Valve is a very important component in controlling fuel vapors, directing them away from the charcoal canister and into the engine where they are burned off instead of escaping into the air. Acting as a gate that opens when the engine computer gives the signal, this Canister Purge Valve depends on intake vacuum to pull stored hydrocarbons through activated charcoal, where they mix with incoming air and fuel for clean combustion. Across model years, the Lexus RX350 has always applied an electronically operated Canister Purge Valve, but early versions were applied only as flow control while later OBD II designs also work with a sealed canister vent solenoid and fuel tank pressure sensor in order to self-check for leaks and illuminate the check engine light if vacuum does not reach target. No alternative mechanical styles are known from RX350 history, but there are differences in calibration, so newer valves cycle more precisely to comply with tighter emission rules. Symptoms of failure are rough idle, elevated emissions, and warning lamp which are traced to a sticking or leaking Canister Purge Valve which allows vapors to bypass storage. Maintaining a healthy Canister Purge Valve ensures every Lexus is in compliance with regulations, saves fuel, and prevents gasoline smells. Owners of the RX350 can count on this little, inexpensive part to quietly go to work every time they drive to add to the reputation Lexus has built for clean, dependable performance.

Should you need to purchase new auto parts for your vehicle, we strongly suggest you consider the genuine Lexus RX350 Canister Purge Valve available on LexusPartsNow.com. Our OEM Lexus RX350 Canister Purge Valve come with the reassurance of the manufacturer's warranty, a hassle-free return policy, and speedy delivery service, all at affordable prices online. Feel free to shop with confidence!

Lexus RX350 Canister Purge Valve Parts Questions & Experts Answers

Valve, Duty Vacuum Switching
90910-12204
Q: What is the process for diagnosing and replacing Canister Purge Valve and Vapor Canister in the EVAP system on Lexus RX350?
A:
The Evaporative Emissions Control (EVAP) system serves to absorb fuel vapors and release them into the intake manifold during engine operation. It comprises the fuel tank filler neck cap, EVAP canister, vapor pressure sensor, canister closed valve, pressure switching valve, and purge valve. The EVAP canister's contents are purged when the pressure inside the sealed fuel tank increases due to fuel evaporation, and the canister stores vapors until the PCM initiates purging through the purge valve, allowing vapors into the intake manifold. The vapor pressure sensor on the fuel tank monitors pressure, signaling the PCM to open the pressure switching valve for purging. A purge valve regulates vapor flow, while the canister closed valve vents atmospheric air during purging and closes for testing. The EVAP system undergoes a diagnostic monitor to check for leaks, involving purging, pressure change monitoring, and venting checks. Replacements involve disconnecting the negative battery terminal, removing engine covers if applicable, disconnecting connectors, vacuum hoses, mounting screws or bolts, and then installing replacements following the reverse process. The EVAP canister's location varies, with different components serviced depending on the model year.

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