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OEM Acura Hoses and Pulleys

Prevent issues before they start under the hood

Even small parts under the hood can create big problems if they’re ignored. Hoses and pulleys help manage airflow, fluid movement, and accessory belt function. Over time, wear and tear can lead to leaks, belt slippage, or engine overheating. Sticking with genuine Acura parts helps your vehicle stay dependable every day.

Why hoses and pulleys matter more than expected

Radiator and vacuum hoses carry coolant, air, and other fluids where they’re needed. Pulleys control tension on the serpentine belt, which powers components like the alternator and AC compressor. In models like the MDX and Integra, these parts are matched precisely to each engine design. Acura-tested parts ensure correct fitment and performance without shortcuts.

Common signs it’s time to replace them

Cracks, leaks, squeals, or frayed belts are common signs of aging hoses or pulleys. High temperatures and everyday vibration can dry out rubber hoses or cause pulleys to wobble. Replacement is usually needed every few years, especially in high-mileage or older vehicles. Waiting too long risks more expensive damage to surrounding parts.

Stick with genuine for long-term reliability

Aftermarket brands may look similar but often fall short on durability and fit. A pulley that’s slightly off-center or a hose that doesn’t seal correctly can create repeat issues. We carry genuine Acura hoses and pulleys to help keep your drive smooth and quiet. While checking these parts, it’s smart to also inspect the drive belt for wear or cracking.

We make it easy to find exactly what fits your Acura. MyAcuraParts.com offers real parts designed to do the job right the first time.

Tensioner Pulley

Part Number: 31189-5A2-A02
Acura Acura
Notes: Included with belt tensioner.
Other Names: Tension Pulley, Pulley Set
Replaces: 311895a2a01
Description: TLX. 2.4l.
MSRP $187.42
$131.57

Idler Pulley Bolt

Part Number: 90002-RCA-A01
Acura Acura
Notes: Included with Belt tensioner.
Other Names: Tension Pulley Bolt, Mount Bolt, Bolt (10X115)
Description: 2003-06, lower. Idler pulley.
MSRP $8.93
$6.70

Idler Pulley Washer

Part Number: 8-97061-672-0
Acura Acura
Other Names: Washer
Description: 1996-97.
MSRP $9.95
$7.46

Crankshaft Pulley Bolt

Part Number: 90017-RJA-003
Acura Acura
Other Names: Crankshaft Pulley Lock Bolt, Bolt Washer (16X49)
Replaces: 90017py3003
Description: 3.5L. 6 cylinder. 3.7L.
MSRP $35.96
$26.98

Idler Pulley Nut

Part Number: 90058-PG6-000
Acura Acura
Other Names: Nut Washer (10MM)
Description: 2.5L. 3.2L.
MSRP $8.72
$6.54

Crankshaft Pulley Bolt

Part Number: 90017-PWA-G02
Acura Acura
Other Names: Bolt Washer (14X36)
Description: 1.5L hybrid.
MSRP $28.98
$21.74

Idler Pulley Cover

Part Number: 31185-PNA-003
Acura Acura
Notes: Included with tensioner.
Other Names: Tension Pulley Cover, Bearing Cover, Cover Bearing
Description: 2.4L.
MSRP $12.28
$9.21

Idler Pulley Cover

Part Number: 31185-RX0-A00
Acura Acura
Other Names: Cover Bearing
Description: 2.4L, 2013-15.
MSRP $11.75
$8.81

Crankshaft Pulley Bolt

Part Number: 90017-RWC-A01
Acura Acura
Notes: Part cannot be reused/reinstalled.
Other Names: Bolt Washer (16X49)
Description: 2.4L. 2016-22. 3.0L. 2013-15. 2.0L turbo.
MSRP $26.13
$19.60

Fan Pulley Bolt

Part Number: 8-97182-861-1
Acura Acura
Other Names: Bolt Fan Bracket
Replaces: 8971828610
MSRP $3.82
$2.86

Idler Pulley Bracket

Part Number: 38926-PR7-A00
Acura Acura
Other Names: Stay Idle Pulley
MSRP $119.53
$86.06

Holder Cam Pulley

Part Number: 07AAB-6S9A1Z0
Acura Acura
MSRP $210.27
$147.60

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