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Gates 38702 Accessory Drive Belt Tensioner Assembly
| Brand | Gates 38702 |
|---|---|
| Position | Fan, Air Conditioning, Alternator and Water Pump, Fan and Alternator, Fan, and Fan, Alternator and Air Conditioning |
| Material | Steel |
| Pulley 1 Flanged | No |
| Bearing Bore Inside Diameter | 1.18 |
| Bearing Bore Inside Diameter | 30 |
| Width | 1.28 |
| Width | 32.5 |
| Outside Diameter | 2.95 |
| Outside Diameter | 75 |
| Mounting Hole Quantity | 1 |
| Belt Type | V-ribbed |
| Pulley Quantity | 1 |
| Bearing Bore Inside Diameter 1 (in) | 1.18 |
| Bearing Bore Inside Diameter 1 (mm) | 30 |
| Belt Type | V-ribbed |
| Contact Surface | Smooth/backside |
| Contents | Tensioner assy. |
| OE Comparison Rating | Oe performance |
| Outside Diameter (in) | 2.95 |
| Outside Diameter (mm) | 75 |
| Pulley 1 Flanged | No |
| Width (in) | 1.28 |
| Width (mm) | 32.5 |
| Fits | — |
OE performance. Built to meet demanding OEM requirements.
Steel construction. Durable tensioner assembly with a smooth-backed pulley.
V-ribbed belt fit. Works with accessory drive belt systems.
Cross-references Dayco 89930, Gates 38702 and Litens 910588A for the same application. See all 7.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
OE-Style Belt Tension Control
The Gates DriveAlign Premium OE Automatic Belt Tensioner, part number 38702, is built for accessory drive systems that need consistent belt tension and stable pulley tracking. It uses a steel housing with a smooth/backside pulley surface and OE performance rating for dependable operation in demanding engine bays.
For drivers searching for a Gates 38702 belt tensioner or an OE-style automatic belt tensioner for accessory drive belt system repair, this assembly is engineered to meet demanding OEM requirements. It is a practical choice for belt noise, tension loss, and pulley wear concerns on supported applications, including select Ford F-150 and Chevrolet Silverado service needs where this part number is specified.
Key Features
- Automatic accessory drive belt tensioner assembly
- Steel construction for durability in engine compartment use
- V-ribbed belt type with smooth/backside contact surface
- Single-pulley design with non-flanged pulley
- OE performance rating for factory-style operation
- Bearing bore inside diameter: 1.18 in. / 30 mm
- Outside diameter: 2.95 in. / 75 mm
- Width: 1.28 in. / 32.5 mm
Product Details
Gates DriveAlign Premium OE Automatic Belt Tensioner 38702 is part of the DriveAlign line, which focuses on OE-style belt drive components for accurate belt control and consistent pulley alignment. This tensioner assembly is designed for V-ribbed accessory drive systems and uses a smooth backside contact surface to maintain proper belt tracking across the pulley. The steel body and OE performance rating make it a solid replacement option when servicing the belt drive system on vehicles such as Ford F-150 and Chevrolet Silverado applications that call for this exact part number.
This part cross-references Dayco 89930 for the same application.
Common Problems This Part Addresses
- Belt squeal from weak or inconsistent tension
- Accessory drive belt slippage
- Uneven belt wear from poor pulley control
- Noise from a worn tensioner bearing or pulley
- Loss of belt tracking in the accessory drive system
Installation Notes
Verify the belt routing, pulley style, and mounting location before installation. Inspect the accessory drive belt, idler pulleys, and related components for wear at the same time, since a new tensioner works best with a belt system in good condition. Confirm the application by part number 38702 and match the vehicle’s original tensioner specifications before service.
Quality Assurance
Gates states that its FleetRunner heavy-duty automatic belt tensioners are engineered to exceed demanding OEM requirements, and laboratory testing under extreme vibration and contamination conditions showed service life up to three times longer than competing aftermarket tensioners. This Gates 38702 tensioner is built to that standard of OE-focused durability and fit.
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