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Gates 38655 Accessory Drive Belt Tensioner Assembly - Air Conditioning
| Brand | Gates 38655 |
|---|---|
| Position | Air Conditioning |
| Material | Steel |
| Pulley 1 Flanged | No |
| Bearing Bore Inside Diameter | 1.18 |
| Bearing Bore Inside Diameter | 30 |
| Groove Quantity | 2 |
| Width | 1.61 |
| Width | 40.88 |
| Outside Diameter | 146 |
| Outside Diameter | 5.75 |
| Mounting Hole Quantity | 1 |
| Belt Type | V-grooved |
| Pulley Quantity | 1 |
| Bearing Bore Inside Diameter 1 (in) | 1.18 |
| Bearing Bore Inside Diameter 1 (mm) | 30 |
| Belt Type | V-grooved |
| Contact Surface | V-grooved |
| Contents | Tensioner assy., bracket |
| Number of Grooves | 2 |
| Outside Diameter (in) | 5.75 |
| Outside Diameter (mm) | 146 |
| Pulley 1 Flanged | No |
| Width (in) | 1.61 |
| Width (mm) | 40.88 |
| Fits | — |
OE direct replacement. Engineered to exceed demanding OEM requirements.
Steel construction. Built for durability in heavy-duty belt drive systems.
V-grooved pulley. Helps maintain consistent belt contact and grip.
Cross-references Four Seasons 38655, Litens 910581A and 49606 for the same application. See all 4.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Drive Belt Tensioner for OE-Style Accessory Drive Systems
The Gates DriveAlign Premium OE Automatic Belt Tensioner, part number 38655, is built for accessory drive belt systems that need consistent belt control and stable pulley tracking. This steel tensioner assembly uses a V-grooved pulley design with two grooves and a 5.75 in. outside diameter to maintain proper belt engagement in demanding engine bay conditions.
Gates 38655 is part of the DriveAlign Premium OE Automatic Belt Tensioner line, a product family focused on OE-style fit and durable operation for accessory drive belt applications. For buyers searching for a Gates 38655 belt tensioner assembly or a DriveAlign automatic belt tensioner for Ford and Mercury applications, this part is built around the dimensions and construction details that matter for correct replacement.
Key Features
- Steel tensioner assembly with bracket
- V-grooved pulley contact surface
- 2-groove pulley design for accessory drive belt routing
- 1.18 in. / 30 mm bearing bore inside diameter
- 5.75 in. / 146 mm outside diameter
- 1.61 in. / 40.88 mm width
- 1 mounting hole for direct attachment
- OE-style automatic belt tensioner construction
Detailed Description
This accessory drive belt tensioner assembly is engineered for vehicles that rely on automatic belt tension control to keep the serpentine or V-grooved belt properly loaded. The steel housing and V-grooved pulley help maintain belt alignment and contact under vibration and contamination exposure, which is important in high-mileage service and fleet use. If you are replacing a worn Gates 38655 tensioner on a Ford or Mercury application, the dimensional specs and pulley configuration are key identifiers for matching the correct part.
Gates states that its FleetRunner heavy-duty automatic belt tensioners are built to exceed demanding OEM requirements and have shown extended service life in laboratory vibration and contamination testing compared with competing aftermarket units. That makes this Gates 38655 tensioner a practical choice for drivers and technicians looking for a durable accessory drive belt system component.
This part cross-references Four Seasons 38655 for the same application.
What It Helps Fix
- Belt squeal caused by weak or inconsistent tension
- Accessory drive belt flutter or vibration
- Misalignment at the tensioner pulley
- Premature belt wear from poor pulley tracking
- Noise from a worn automatic belt tensioner assembly
Installation Notes and Tips
Verify pulley style, groove count, and mounting layout before installation. Confirm the replacement matches the original tensioner dimensions, including bearing bore, outside diameter, and width, to ensure proper belt routing and operation. For Ford and Mercury fitment searches, compare the original accessory drive belt tensioner assembly to Gates part number 38655 before service.
Quality Assurance
Gates designs this DriveAlign Premium OE automatic belt tensioner for demanding OE-style service conditions, with a focus on durability under vibration and contamination exposure. The steel construction and application-specific pulley geometry support consistent accessory drive belt performance in the intended vehicle platforms.
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