Tensioner 93186866 For Cadillac
The DUHUI Bearing 93186866 drive belt tensioner is an OE-replacement component for Cadillac CTS, SRX, and STS models equipped with 3.6L and 2.8L V6 engines. This tensioner maintains proper serpentine belt tension across the accessory drive system, preventing belt slip and reducing wear on engine components. Manufactured to match original equipment specifications including 93186866, this tensioner delivers reliable performance for compatible General Motors vehicles.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | |
| Part Number | 93186866 |
| Product Type | Belt Tensioner |
| Bearing Inner Diameter 1 | 10.20 mm (0.402 inch) |
| Bearing Width | 26.00 mm (1.024 inch) |
| Pulley Outside Diameter | 70.00 mm (2.756 inch) |
| Pulley Width | 25.50 mm (1.004 inch) |
| Belt Type | Serpentine |
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:
93186866
Reference Numbers (Interchange):
ACDelco: 93186866
Vehicle Fitment
CADILLAC CTS: 2004-2007 (3.6L V6, 2.8L V6)
CADILLAC SRX: 2004-2007 (3.6L V6)
CADILLAC STS: 2005-2007 (3.6L V6)
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- OE-replacement belt tensioner for Cadillac CTS, SRX, STS 3.6L and 2.8L applications. Matches OEM specification 93186866.
- 70 mm pulley outside diameter and 25.5 mm pulley width provide exact fitment for the accessory drive system.
- 10.2 mm bearing inner diameter and 26 mm bearing width match original equipment specifications.
- Precision-engineered bearing ensures smooth rotation and consistent belt tension across the engine operating range.
Installation Notes
- Verify the 70 mm pulley outside diameter and 25.5 mm pulley width match your original tensioner before installation.
- Inspect the serpentine belt for wear or damage before installing the new tensioner.
- Torque the mounting bolt to manufacturer specifications (refer to service manual).
- After installation, verify proper belt tension and check for smooth operation.
- This tensioner is designed for serpentine belt systems – confirm belt routing matches your vehicle’s specific configuration.
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces tensioners and automotive bearings to OE specifications. Contact us
