How to check and replace the PCV Valve and PCV Hose for the Acura MDX?

PCV system is an acronym that stands for Positive Crankcase Ventilation. It reduces the emissions of hydrocarbons in the environment by drawing fresh air into the crankcase where it mixes with the blow-by gases. The PCV valve then pulls this mixture to the intake manifold. When these vapors flow, they are controlled by the PCV valve which helps maintain idle quality. Fresh air inlet hose in Acura and Honda models is used to draw fresh air into the crankcase from two places, that is, the air intake duct and valve cover. Check hoses for damage and inspect for vacuum at idle on PCV valve, as well as worn out PCV valve grommet when examining PCV system.

Genuine Acura MDX PCV Hose

PCV Valve Hose

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

8 PCV Hoses found

View related parts
Acura MDX Pcv Tube
Part Number: 11856-RCA-A00
$11.44 MSRP: $15.95
You Save: $4.51 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Tube, Pcv
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
View related parts
Acura MDX Pcv Tube
Part Number: 11856-R70-A00
$6.32 MSRP: $8.82
You Save: $2.50 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Tube, Pcv
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
View related parts
Acura MDX Pcv Tube
Part Number: 11856-RDJ-A00
$9.68 MSRP: $13.50
You Save: $3.82 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Tube, Pcv
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
View related parts
Acura MDX Tube, PCV (B)
Part Number: 11857-5G0-A00
$6.19 MSRP: $8.63
You Save: $2.44 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
View related parts
Acura MDX Pcv Tube
Part Number: 11856-PGK-A00
$14.08 MSRP: $19.63
You Save: $5.55 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Tube, Pcv
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
View related parts
Acura MDX Tube, PCV
Part Number: 17131-6S9-A00
$10.13 MSRP: $14.13
You Save: $4.00 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
View related parts
Acura MDX Tube, PCV (A)
Part Number: 11856-5G0-A00
$7.23 MSRP: $10.08
You Save: $2.85 (29%)
Product Specifications
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
View related parts
Acura MDX Tube, PCV (A)
Part Number: 11856-R9P-A00
$30.62 MSRP: $42.70
You Save: $12.08 (29%)
Product Specifications
- Warranty: This genuine part is guaranteed by Acura's factory warranty.

Acura MDX PCV Hose

The PCV Hose in Acura MDX is a sealed hose that directs the vapor from the crankcase to the engine intake so the vapor burns and does not pollute the air. The positive crankcase ventilation system is completed by this short rubber or molded plastic tube that connects the spring-loaded PCV valve on top of the block to the crankcase port. Under usual circumstances, the engine vacuum will pull fumes through. This flow is metered with the help of a pintle located inside, and the PCV Hose sends gases back to the combustion chambers where they mix with fuel. A malfunctioning PCV Hose allows unfiltered outside air into the engine. This unfiltered air disrupts the fuel-to-air ratio. Subsequently, this can lead to excessive emissions and reduced fuel efficiency. The variations in MDX designs are minor. All MDX models rely on the same basic straight run design without any complex shapes to be seen. The variations from one MDX model to another are primarily length and driver or passenger fitment. Since the cost of the PCV Hose is low and is retained with simple clamps, owners can replace it while changing the filter to keep the ventilation circuit healthy. Replacing the PCV valve at the specified interval on any Acura MDX mitigates oil sludge buildup that interferes with the operation of the PCV valve. In exchange, smooth idle is preserved. Servicing the PCV Hose helps keep your Acura operating cleaner for many years.

We provide a broad range of OEM Acura MDX PCV Hose at unbeatable prices on our website. For your OEM parts, You can count on the guaranteed quality, manufacturer's warranty, outstanding customer service, and prompt delivery. We look forward to your visit.

Acura MDX PCV Hose Parts Questions & Experts Answers

Pcv Tube
11856-RCA-A00
Q: How to check and replace the PCV Valve and PCV Hose for the Acura MDX?
A:
PCV system is an acronym that stands for Positive Crankcase Ventilation. It reduces the emissions of hydrocarbons in the environment by drawing fresh air into the crankcase where it mixes with the blow-by gases. The PCV valve then pulls this mixture to the intake manifold. When these vapors flow, they are controlled by the PCV valve which helps maintain idle quality. Fresh air inlet hose in Acura and Honda models is used to draw fresh air into the crankcase from two places, that is, the air intake duct and valve cover. Check hoses for damage and inspect for vacuum at idle on PCV valve, as well as worn out PCV valve grommet when examining PCV system.