Tensioner Tension Pulley 38008

The DUHUI Tensioner Pulley 38008 is a precision-engineered idler and tensioner pulley assembly designed for Acura applications and compatible with multiple GM, Isuzu, and Honda models. This 6-groove, 70 mm diameter pulley is constructed from thermoplastic material and matches OE specifications including 38008 and 88909589. It is directly interchangeable with ACDelco Professional 38008 and Gates 38008 for reliable serpentine belt system performance.
Specifications
| Parameter | Value |
|---|---|
| DH Code | |
| Part Number | 38008 |
| Product Type | Idler Pulley / Tensioner Pulley |
| Outside Diameter | 70.00 mm (2.756 inch) |
| Pulley Width | 25.00 mm (0.984 inch) |
| Bearing Inner Diameter | 17.00 mm (0.669 inch) |
| Number of Grooves | 6 |
| Contact Surface | V-Ribbed Grooved |
| Flanged | Yes |
| Material | Thermoplastic |
| Color | Black |
| Belt Type | Serpentine / V-belt |
Note: Dimensional data is based on available sources. This is a tensioner pulley designed for Acura and select GM/Isuzu 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: 38008, 88909589, 10239930, 12556612, 12580772, 12580774, XR3E19A216BA
Reference Numbers (Interchange):
ACDelco: 38008, 12580772, 12580774
Gates: 38008
Carquest: 38008
NAPA: 209780, 36328, 38008
Workhorse: 12580772, 12580774
Swift: PT451
Vehicle Fitment
ACURA: SLX – 1998-1999, MDX Base/Touring – 2003-2013, RDX AWD/FWD – 2013-2015, RL – 2005-2012, TL Base/SH-AWD/Type-S – 2004-2014, TSX V6 – 2012-2014, ZDX – 2010-2013
CADILLAC: ESCALADE – 1999-2013
CHEVROLET: C1500 Pickup – 1996-1999, C1500 Suburban – 1996-1997, C2500 Pickup – 1996-1999, C2500 Suburban – 1996-1999, C3500 Pickup – 1996-2002, Express 3500 – 1996-2002, Express Cargo – 2012-2014, K1500 Pickup – 1996-1998, K1500 Suburban – 1996-1999
HONDA: Passport 3.2L V6 – 1999
ISUZU: Select models – compatible
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Precision-engineered tensioner/idler pulley designed for Acura and select GM/Isuzu applications
- 6-groove, 70 mm outside diameter with v-ribbed grooved contact surface for serpentine belt systems
- Thermoplastic construction with flanged design for durability and proper belt alignment
- High-quality bearing ensures smooth rotation and long service life
- Direct interchange with ACDelco Professional 38008, Gates 38008, and multiple OE numbers
- Manufactured to OE specifications for reliable belt tension performance
- Available for product customization – logo, code, pattern, or words can be applied to the tensioner or packaging
Installation Notes
- Verify dimensions (OD 70 mm, width 25 mm, bearing ID 17 mm) against your original part before installation
- Confirm fitment for your specific Acura, Cadillac, Chevrolet, Honda, or Isuzu model and engine configuration
- Inspect the belt routing and ensure proper tensioner alignment
- Torque the mounting bolt to manufacturer service manual specifications
- After installation, verify smooth pulley rotation without noise or binding
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces tensioner pulleys and automotive components to OE specifications. Contact us

