Tensioner 311705A2015 For ACURA
The DUHUI Belt Tensioner 311705A2015 is a premium automatic drive belt tensioner designed for Acura ILX and TLX models. Engineered to maintain optimal serpentine belt tension, this tensioner prevents belt slip, reduces noise, and ensures consistent accessory drive performance. It matches OE specifications including 31170-5A2-015 and is directly interchangeable with Gates 39339 and Litens 999828A.
Specifications
| Parameter | Value |
|---|---|
| DH Code | |
| Part Number | 311705A2015 |
| Bearing Bore Inside Diameter | 17.00 mm (0.669 inch) |
| Outside Diameter | 75.00 mm (2.953 inch) |
| Width | 32.00 mm (1.260 inch) |
| Number of Grooves | 7 |
| Material | Steel |
| Belt Type | Serpentine / V-Ribbed |
| Weight | 2.06 lbs (0.93 kg) |
| Product Type | Automatic Belt Tensioner |
Note: Dimensional data is based on available sources. This is a belt tensioner designed for Acura 2.4L applications. Please verify measurements against your original part before ordering.
Important: All information on this page is for reference only. Please verify OE numbers, dimensions, and vehicle fitment against your original part before ordering. Contact us for fitment confirmation.
DH Code & OE Numbers & Reference Numbers
DH Code:
OE Numbers: 311705A2015, 31170-5A2-015, 311705A2A01, 311705A2A02, 311705A2A03
Reference Numbers (Interchange):
Gates: 39339
Litens: 999828A
ACDelco: 39339
Dayco: 89709
Cloyes: B20101
SKP: SK89709
Autotecnica: HA1415870
Continental: 49828
Vehicle Fitment
ACURA: ILX 2.4L (2016-2022), TLX 2.4L (2015-2020)
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Automatic belt tensioner designed for Acura 2.4L engine applications
- Heavy-duty cast aluminum housing with steel pulley for durability and long service life
- Flat spring technology maintains constant tension throughout the belt’s service life, compensating for stretch and wear
- Prevents belt slip, noise, and premature accessory bearing failure
- Patented seal design protects internal components and extends service life
- 17 mm bearing bore with 7-groove V-ribbed pulley configuration
- Direct interchange with major brands including Gates, Dayco, Litens, and ACDelco
- Manufactured to OE specifications for reliable performance and service life
- Available for product customization – logo, code, pattern, or words can be applied to the bearing or packaging
Installation Notes
- Verify the part matches your original before installation – check belt routing and tensioner mounting position
- Confirm fitment for your specific Acura ILX or TLX model (2015-2022)
- Some applications may require loosening the A/C compressor for access to the tensioner mounting bolts
- Inspect the serpentine belt for wear and replace if necessary when installing a new tensioner
- Torque the mounting bolts to Acura service manual specifications
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces belt tensioners and automotive components to OE specifications. Contact us
