What is the function of the Positive Crankcase Ventilation (PCV) system and when should you consider checking and replacing PCV Hose and PCV Valve on Toyota Highlander?

The Positive Crankcase Ventilation (PCV) system reduces hydrocarbon emissions by directing blow-by gases and crankcase vapors into the intake manifold. Fresh air from the air filter housing mixes with these gases in the crankcase before exiting through the PCV valve. During idle and part-throttle conditions, blow-by gases flow through the PCV valve into the intake manifold, while fresh air is drawn into the crankcase. Over time, sludge buildup may reduce the system's efficiency and cause leaks. Regular checks and possible replacements of the PCV valve and hoses during routine maintenance are recommended.

Genuine Toyota Highlander PCV Hose

PCV Valve Hose

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25 PCV Hoses found

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Toyota Highlander Vacuum Hose
Part Number: 90999-92002
$6.18 MSRP: $8.63
You Save: $2.45 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose, Cruise Control Vacuum; Air Hose, Pressure Sensor Tube, Vacuum Hose
- Replaces: 90445-08138, 90445-08179, 95411-10120, 95411-10010, 90447-08127, 90999-02002, 95411-19920, 95411-19918, 21249-13090, 25760-11300, 95411-10107, 95411-10125, 05411-10120, 95411-10130, 95411-19908, 95411-19913, 95411-30030, 95411-19911, 95411-10030
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2024 Toyota Highlander | Grande, Limited, Medium, Sport, STD | 4 Cyl 2.4L, 4 Cyl 2.5L, 4 Cyl 2.7L, 6 Cyl 3.0L, 6 Cyl 3.3L, 6 Cyl 3.5L | 1ARFE, 1MZFE, 2AZFE, 2GRFE, 2GRFKS, 2GRFXE, 2GRFXS, 3MZFE, A25AFXS, T24AFTS; ACU20L-BRPNKA, ACU20L-BWPNKA, ACU25L-BRPNKA, ACU25L-BWPNKA, ASU40L-ARTNKA, ASU40L-BRTNKA, ASU50L-ARTNKA, AXUH70L-ARXGHA, AXUH70L-ARXMHA, AXUH70L-ARXNHA, AXUH78L-ARXGHA, AXUH78L-ARXMHA, AXUH78L-ARXNHA, GSU40L-ARAGKA, GSU40L-ARAMKA, GSU40L-ARANKA, GSU40L-ARASKA, GSU40L-BRAGKA, GSU40L-BRAMKA, GSU40L-BRANKA, GSU40L-BRASKA, GSU45L-ARAGKA, GSU45L-ARAMKA, GSU45L-ARANKA, GSU45L-ARASKA, GSU45L-BRAGKA, GSU45L-BRAMKA, GSU45L-BRANKA, GSU45L-BRASKA, GSU50L-ARTGKA, GSU50L-ARTMKA, GSU50L-ARTNKA, GSU50L-ARZGHA, GSU50L-ARZMHA, GSU50L-ARZNHA, GSU55L-ARTGKA, GSU55L-ARTMKA, GSU55L-ARTNKA, GSU55L-ARZGHA, GSU55L-ARZMHA, GSU55L-ARZNHA, GSU70L-ARZGHA, GSU70L-ARZMHA, GSU70L-ARZNHA, GSU70L-ARZSHA, GSU75L-ARZGHA, GSU75L-ARZMHA, GSU75L-ARZNHA, GSU75L-ARZSHA, GVU48L-BRXGKA, GVU48L-BRXNKA, GVU58L-ARXGHA, GVU58L-ARXGKA, GVU58L-ARXMHA, GVU58L-ARXMKA, GVU58L-ARXNHA, GVU58L-ARXNKA, MCU20L-BWPNKA, MCU23L-BRANKA, MCU23L-BWANKA, MCU25L-BWPNKA, MCU28L-BRANKA, MCU28L-BWANKA, MHU48L-BRXMKA, MHU48L-BRXNKA, TXUA70L-ARZGTA, TXUA70L-ARZMTA, TXUA70L-ARZNTA, TXUA70L-ARZSTA, TXUA75L-ARZGTA, TXUA75L-ARZMTA, TXUA75L-ARZNTA, TXUA75L-ARZSTA
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Toyota Highlander Ventilation Hose
Part Number: 12262-28021
$22.60 MSRP: $31.59
You Save: $8.99 (29%)
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Product Specifications
- Other Name: Hose, Ventilation, NO.2
- Replaced by: 12262-0H010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2007 Toyota Highlander | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.3L | 1MZFE, 2AZFE, 3MZFE; ACU20L-BRPNKA, ACU20L-BWPNKA, ACU25L-BRPNKA, ACU25L-BWPNKA, MCU20L-BWPNKA, MCU23L-BRANKA, MCU23L-BWANKA, MCU25L-BWPNKA, MCU28L-BRANKA, MCU28L-BWANKA
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Toyota Highlander Ventilation Hose
Part Number: 12262-36040
$17.96 MSRP: $25.10
You Save: $7.14 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose, Ventilation, NO.2
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2011-2019 Toyota Highlander | Limited, Medium, Sport, STD | 4 Cyl 2.7L, 6 Cyl 3.5L | 1ARFE, 2GRFE, 2GRFKS, 2GRFXE, 2GRFXS; ASU40L-ARTNKA, ASU50L-ARTNKA, GSU40L-ARAGKA, GSU40L-ARAMKA, GSU40L-ARANKA, GSU40L-ARASKA, GSU45L-ARAGKA, GSU45L-ARAMKA, GSU45L-ARANKA, GSU45L-ARASKA, GSU50L-ARTGKA, GSU50L-ARTMKA, GSU50L-ARTNKA, GSU50L-ARZGHA, GSU50L-ARZMHA, GSU50L-ARZNHA, GSU55L-ARTGKA, GSU55L-ARTMKA, GSU55L-ARTNKA, GSU55L-ARZGHA, GSU55L-ARZMHA, GSU55L-ARZNHA, GVU58L-ARXGHA, GVU58L-ARXGKA, GVU58L-ARXMHA, GVU58L-ARXMKA, GVU58L-ARXNHA, GVU58L-ARXNKA
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Toyota Highlander Ventilation Hose
Part Number: 12261-31050
$29.26 MSRP: $40.90
You Save: $11.64 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose, Ventilation
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2008-2013 Toyota Highlander | Grande, Limited, Medium, Sport, STD | 4 Cyl 2.7L, 6 Cyl 3.3L, 6 Cyl 3.5L | 1ARFE, 2GRFE, 2GRFXE, 3MZFE; ASU40L-ARTNKA, ASU40L-BRTNKA, GSU40L-ARAGKA, GSU40L-ARAMKA, GSU40L-ARANKA, GSU40L-ARASKA, GSU40L-BRAGKA, GSU40L-BRAMKA, GSU40L-BRANKA, GSU40L-BRASKA, GSU45L-ARAGKA, GSU45L-ARAMKA, GSU45L-ARANKA, GSU45L-ARASKA, GSU45L-BRAGKA, GSU45L-BRAMKA, GSU45L-BRANKA, GSU45L-BRASKA, GVU48L-BRXGKA, GVU48L-BRXNKA, MHU48L-BRXMKA, MHU48L-BRXNKA
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Toyota Highlander Ventilation Hose
Part Number: 12261-20011
$13.91 MSRP: $19.44
You Save: $5.53 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose, Ventilation; Vent Hose
- Manufacturer Note: TYPE A:REFER ILLUST.
- Replaces: 12261-20010, 12261-0A010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2005 Toyota Highlander | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.3L | 1MZFE, 2AZFE, 3MZFE; ACU20L-BRPNKA, ACU20L-BWPNKA, ACU25L-BRPNKA, ACU25L-BWPNKA, MCU20L-BWPNKA, MCU23L-BRANKA, MCU23L-BWANKA, MCU25L-BWPNKA, MCU28L-BRANKA, MCU28L-BWANKA
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Toyota Highlander Ventilation Hose
Part Number: 12262-36020
$22.48 MSRP: $31.42
You Save: $8.94 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation, NO.2
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2008-2012 Toyota Highlander | Grande, Limited, Medium, Sport, STD | 4 Cyl 2.7L, 6 Cyl 3.3L, 6 Cyl 3.5L | 1ARFE, 2GRFE, 2GRFXE, 3MZFE; ASU40L-ARTNKA, ASU40L-BRTNKA, GSU40L-ARAGKA, GSU40L-ARAMKA, GSU40L-ARANKA, GSU40L-ARASKA, GSU40L-BRAGKA, GSU40L-BRAMKA, GSU40L-BRANKA, GSU40L-BRASKA, GSU45L-ARAGKA, GSU45L-ARAMKA, GSU45L-ARANKA, GSU45L-ARASKA, GSU45L-BRAGKA, GSU45L-BRAMKA, GSU45L-BRANKA, GSU45L-BRASKA, GVU48L-BRXGKA, GVU48L-BRXNKA, MHU48L-BRXMKA, MHU48L-BRXNKA
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Toyota Highlander Hose Assembly Ventilation
Part Number: 12260-0P040
$23.79 MSRP: $33.25
You Save: $9.46 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose Assy, Ventilation
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2014-2017 Toyota Highlander | 4 Cyl 2.7L, 6 Cyl 3.5L | 1ARFE, 2GRFE, 2GRFKS, 2GRFXE, 2GRFXS; ASU50L-ARTNKA, GSU50L-ARTGKA, GSU50L-ARTMKA, GSU50L-ARTNKA, GSU50L-ARZGHA, GSU50L-ARZMHA, GSU50L-ARZNHA, GSU55L-ARTGKA, GSU55L-ARTMKA, GSU55L-ARTNKA, GSU55L-ARZGHA, GSU55L-ARZMHA, GSU55L-ARZNHA, GVU58L-ARXGHA, GVU58L-ARXGKA, GVU58L-ARXMHA, GVU58L-ARXMKA, GVU58L-ARXNHA, GVU58L-ARXNKA
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Toyota Highlander Ventilation Hose
Part Number: 12261-20091
$15.70 MSRP: $21.94
You Save: $6.24 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation; Vent Hose
- Manufacturer Note: TYPE C:REFER ILLUST.
- Replaces: 12261-20090
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2011 Toyota Highlander | Grande, Limited, Sport, STD | 4 Cyl 2.4L, 4 Cyl 2.7L, 6 Cyl 3.0L, 6 Cyl 3.3L, 6 Cyl 3.5L | 1ARFE, 1MZFE, 2AZFE, 2GRFE, 2GRFXE, 3MZFE; ACU20L-BRPNKA, ACU20L-BWPNKA, ACU25L-BRPNKA, ACU25L-BWPNKA, ASU40L-BRTNKA, GSU40L-BRAGKA, GSU40L-BRAMKA, GSU40L-BRANKA, GSU40L-BRASKA, GSU45L-BRAGKA, GSU45L-BRAMKA, GSU45L-BRANKA, GSU45L-BRASKA, GVU48L-BRXGKA, GVU48L-BRXNKA, MCU20L-BWPNKA, MCU23L-BRANKA, MCU23L-BWANKA, MCU25L-BWPNKA, MCU28L-BRANKA, MCU28L-BWANKA, MHU23L-BRXNKA, MHU23L-BWXNKA, MHU28L-BRXNKA, MHU28L-BWXNKA, MHU48L-BRXMKA, MHU48L-BRXNKA
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Toyota Highlander Ventilation Hose
Part Number: 12261-28030
$33.67 MSRP: $47.06
You Save: $13.39 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2007 Toyota Highlander | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.3L | 1MZFE, 2AZFE, 3MZFE; ACU20L-BRPNKA, ACU20L-BWPNKA, ACU25L-BRPNKA, ACU25L-BWPNKA, MCU20L-BWPNKA, MCU23L-BRANKA, MCU23L-BWANKA, MCU25L-BWPNKA, MCU28L-BRANKA, MCU28L-BWANKA
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Toyota Highlander Ventilation Hose
Part Number: 12261-20020
$41.04 MSRP: $57.37
You Save: $16.33 (29%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation, NO.2; Vent Hose
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2004 Toyota Highlander | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.3L | 1MZFE, 2AZFE, 3MZFE; ACU20L-BRPNKA, ACU20L-BWPNKA, ACU25L-BRPNKA, ACU25L-BWPNKA, MCU20L-BWPNKA, MCU23L-BRANKA, MCU23L-BWANKA, MCU25L-BWPNKA, MCU28L-BRANKA, MCU28L-BWANKA
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Toyota Highlander Ventilation Hose
Part Number: 12262-31080
$56.28 MSRP: $78.66
You Save: $22.38 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation, NO.2
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2008-2013 Toyota Highlander | Grande, Limited, Medium, Sport, STD | 4 Cyl 2.7L, 6 Cyl 3.3L, 6 Cyl 3.5L | 1ARFE, 2GRFE, 2GRFXE, 3MZFE; ASU40L-ARTNKA, ASU40L-BRTNKA, GSU40L-ARAGKA, GSU40L-ARAMKA, GSU40L-ARANKA, GSU40L-ARASKA, GSU40L-BRAGKA, GSU40L-BRAMKA, GSU40L-BRANKA, GSU40L-BRASKA, GSU45L-ARAGKA, GSU45L-ARAMKA, GSU45L-ARANKA, GSU45L-ARASKA, GSU45L-BRAGKA, GSU45L-BRAMKA, GSU45L-BRANKA, GSU45L-BRASKA, GVU48L-BRXGKA, GVU48L-BRXNKA, MHU48L-BRXMKA, MHU48L-BRXNKA
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Toyota Highlander Ventilation Hose
Part Number: 12262-31100
$46.16 MSRP: $64.52
You Save: $18.36 (29%)
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation, NO.2
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2014-2017 Toyota Highlander | 4 Cyl 2.7L, 6 Cyl 3.5L | 1ARFE, 2GRFE, 2GRFKS, 2GRFXE, 2GRFXS; ASU50L-ARTNKA, GSU50L-ARTGKA, GSU50L-ARTMKA, GSU50L-ARTNKA, GSU50L-ARZGHA, GSU50L-ARZMHA, GSU50L-ARZNHA, GSU55L-ARTGKA, GSU55L-ARTMKA, GSU55L-ARTNKA, GSU55L-ARZGHA, GSU55L-ARZMHA, GSU55L-ARZNHA, GVU58L-ARXGHA, GVU58L-ARXGKA, GVU58L-ARXMHA, GVU58L-ARXMKA, GVU58L-ARXNHA, GVU58L-ARXNKA
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Toyota Highlander Ventilation Hose
Part Number: 12261-20090
$15.70 MSRP: $21.94
You Save: $6.24 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation
- Manufacturer Note: TYPE B:REFER ILLUST.
- Replaced by: 12261-20091
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2006 Toyota Highlander | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.3L | 1MZFE, 2AZFE, 3MZFE; ACU20L-BRPNKA, ACU20L-BWPNKA, ACU25L-BRPNKA, ACU25L-BWPNKA, MCU20L-BWPNKA, MCU23L-BRANKA, MCU23L-BWANKA, MCU25L-BWPNKA, MCU28L-BRANKA, MCU28L-BWANKA, MHU23L-BRXNKA, MHU23L-BWXNKA, MHU28L-BRXNKA, MHU28L-BWXNKA
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Toyota Highlander Ventilation Hose
Part Number: 12261-20060
$20.93 MSRP: $29.26
You Save: $8.33 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation, NO.2; Vent Tube
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2003-2007 Toyota Highlander | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.3L | 1MZFE, 2AZFE, 3MZFE; ACU20L-BRPNKA, ACU20L-BWPNKA, ACU25L-BRPNKA, ACU25L-BWPNKA, MCU20L-BWPNKA, MCU23L-BRANKA, MCU23L-BWANKA, MCU25L-BWPNKA, MCU28L-BRANKA, MCU28L-BWANKA
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Toyota Highlander Ventilation Hose
Part Number: 12261-0P080
$33.67 MSRP: $47.06
You Save: $13.39 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2014-2017 Toyota Highlander | 4 Cyl 2.7L, 6 Cyl 3.5L | 1ARFE, 2GRFE, 2GRFKS, 2GRFXE, 2GRFXS; ASU50L-ARTNKA, GSU50L-ARTGKA, GSU50L-ARTMKA, GSU50L-ARTNKA, GSU50L-ARZGHA, GSU50L-ARZMHA, GSU50L-ARZNHA, GSU55L-ARTGKA, GSU55L-ARTMKA, GSU55L-ARTNKA, GSU55L-ARZGHA, GSU55L-ARZMHA, GSU55L-ARZNHA, GVU58L-ARXGHA, GVU58L-ARXGKA, GVU58L-ARXMHA, GVU58L-ARXMKA, GVU58L-ARXNHA, GVU58L-ARXNKA
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Toyota Highlander Vent Hose Assembly
Part Number: 12260-0V130
$17.72 MSRP: $24.77
You Save: $7.05 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose Assy, Ventilation; Vent Hose
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2014-2019 Toyota Highlander | 4 Cyl 2.7L, 6 Cyl 3.5L | 1ARFE, 2GRFE, 2GRFKS, 2GRFXE, 2GRFXS; ASU50L-ARTNKA, GSU50L-ARTGKA, GSU50L-ARTMKA, GSU50L-ARTNKA, GSU50L-ARZGHA, GSU50L-ARZMHA, GSU50L-ARZNHA, GSU55L-ARTGKA, GSU55L-ARTMKA, GSU55L-ARTNKA, GSU55L-ARZGHA, GSU55L-ARZMHA, GSU55L-ARZNHA, GVU58L-ARXGHA, GVU58L-ARXGKA, GVU58L-ARXMHA, GVU58L-ARXMKA, GVU58L-ARXNHA, GVU58L-ARXNKA
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Toyota Highlander Ventilation Hose
Part Number: 12262-25080
$36.28 MSRP: $50.72
You Save: $14.44 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation, N; Vent Hose, Vent Tube
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2020-2024 Toyota Highlander | 4 Cyl 2.4L, 4 Cyl 2.5L, 6 Cyl 3.5L | 2GRFKS, A25AFXS, T24AFTS; AXUH70L-ARXGHA, AXUH70L-ARXMHA, AXUH70L-ARXNHA, AXUH78L-ARXGHA, AXUH78L-ARXMHA, AXUH78L-ARXNHA, GSU70L-ARZGHA, GSU70L-ARZMHA, GSU70L-ARZNHA, GSU70L-ARZSHA, GSU75L-ARZGHA, GSU75L-ARZMHA, GSU75L-ARZNHA, GSU75L-ARZSHA, TXUA70L-ARZGTA, TXUA70L-ARZMTA, TXUA70L-ARZNTA, TXUA70L-ARZSTA, TXUA75L-ARZGTA, TXUA75L-ARZMTA, TXUA75L-ARZNTA, TXUA75L-ARZSTA
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Toyota Highlander Ventilation Hose
Part Number: 12261-31200
$37.59 MSRP: $52.55
You Save: $14.96 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2016-2023 Toyota Highlander | 4 Cyl 2.4L, 4 Cyl 2.5L, 4 Cyl 2.7L, 6 Cyl 3.5L | 1ARFE, 2GRFE, 2GRFKS, 2GRFXE, 2GRFXS, A25AFXS, T24AFTS; ASU50L-ARTNKA, AXUH70L-ARXGHA, AXUH70L-ARXMHA, AXUH70L-ARXNHA, AXUH78L-ARXGHA, AXUH78L-ARXMHA, AXUH78L-ARXNHA, GSU50L-ARTGKA, GSU50L-ARTMKA, GSU50L-ARTNKA, GSU50L-ARZGHA, GSU50L-ARZMHA, GSU50L-ARZNHA, GSU55L-ARTGKA, GSU55L-ARTMKA, GSU55L-ARTNKA, GSU55L-ARZGHA, GSU55L-ARZMHA, GSU55L-ARZNHA, GSU70L-ARZGHA, GSU70L-ARZMHA, GSU70L-ARZNHA, GSU70L-ARZSHA, GSU75L-ARZGHA, GSU75L-ARZMHA, GSU75L-ARZNHA, GSU75L-ARZSHA, GVU58L-ARXGHA, GVU58L-ARXGKA, GVU58L-ARXMHA, GVU58L-ARXMKA, GVU58L-ARXNHA, GVU58L-ARXNKA, TXUA70L-ARZGTA, TXUA70L-ARZMTA, TXUA70L-ARZNTA, TXUA70L-ARZSTA, TXUA75L-ARZGTA, TXUA75L-ARZMTA, TXUA75L-ARZNTA, TXUA75L-ARZSTA
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Toyota Highlander Hose Assembly Ventilation
Part Number: 12260-0V030
$22.00 MSRP: $30.76
You Save: $8.76 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose Assy, Ventilation
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2013 Toyota Highlander | Limited, Medium, Sport, STD | 4 Cyl 2.7L, 6 Cyl 3.5L | 1ARFE, 2GRFE; ASU40L-ARTNKA, GSU40L-ARAGKA, GSU40L-ARAMKA, GSU40L-ARANKA, GSU40L-ARASKA, GSU45L-ARAGKA, GSU45L-ARAMKA, GSU45L-ARANKA, GSU45L-ARASKA
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Toyota Highlander Ventilation Hose
Part Number: 12261-20080
$16.89 MSRP: $23.60
You Save: $6.71 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation, NO.2
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2006-2011 Toyota Highlander | Grande, Limited, Sport, STD | 4 Cyl 2.7L, 6 Cyl 3.3L, 6 Cyl 3.5L | 1ARFE, 2GRFE, 2GRFXE, 3MZFE; ASU40L-BRTNKA, GSU40L-BRAGKA, GSU40L-BRAMKA, GSU40L-BRANKA, GSU40L-BRASKA, GSU45L-BRAGKA, GSU45L-BRAMKA, GSU45L-BRANKA, GSU45L-BRASKA, GVU48L-BRXGKA, GVU48L-BRXNKA, MHU23L-BRXNKA, MHU23L-BWXNKA, MHU28L-BRXNKA, MHU28L-BWXNKA, MHU48L-BRXMKA, MHU48L-BRXNKA

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1-20 of 25 Results

Toyota Highlander PCV Hose

The PCV Hose works as a pathway in a Toyota Highlander that transports vapors from the crankcase to the PCV valve so the gases can be put into the engine for combustion. The PCV Hose links the crankcase, the valve, and the component. Once the valve opens, the vapor from the crankcase gets redirected to the hose. A break in the PCV Hose stops the transfer of fumes, leading to an increase in emissions and a drop in fuel efficiency. On Toyota models, this hose may connect on either the driver or passenger side depending on how the vehicle is put together, but it still does the same job. Continuous exposure to engine heat and pressure can cause the hose to wear. A worn PCV Hose can also impair the sliding pintle inside the valve. The timely replacement of the Toyota hose restores the vapor flow and aids in steady engine operation. A direct-fit Toyota Highlander replacement will secure the PCV Hose within the Highlander engine bay, sustaining the Highlander emission control system.

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Toyota Highlander PCV Hose Parts Questions & Experts Answers

Ventilation Hose
12261-20011
Q: What is the function of the Positive Crankcase Ventilation (PCV) system and when should you consider checking and replacing PCV Hose and PCV Valve on Toyota Highlander?
A:
The Positive Crankcase Ventilation (PCV) system reduces hydrocarbon emissions by directing blow-by gases and crankcase vapors into the intake manifold. Fresh air from the air filter housing mixes with these gases in the crankcase before exiting through the PCV valve. During idle and part-throttle conditions, blow-by gases flow through the PCV valve into the intake manifold, while fresh air is drawn into the crankcase. Over time, sludge buildup may reduce the system's efficiency and cause leaks. Regular checks and possible replacements of the PCV valve and hoses during routine maintenance are recommended.