OE Quality
60-Day Returns

Gates 36770 Accessory Drive Belt Idler Pulley - Grooved Pulley
Reliable Accessory Drive Belt Idler Pulley for Ford Super Duty
The Gates DriveAlign Premium OE Pulley 36770 is engineered to meet original equipment specifications for Ford F-250 Super Duty and F-350 Super Duty models. Designed with precision, this steel accessory drive belt idler pulley ensures consistent belt tension and smooth operation in demanding conditions.
- Constructed from durable steel for long-lasting performance
- Flanged pulley design for secure belt alignment
- Eight V-ribbed grooves to accommodate multi-rib belts
- 90 mm outside diameter and 36 mm width for exact fitment
- Includes pulley, bolt, dust shield, and retainer for complete installation
- Bearing bore inside diameter of 17 mm for compatibility with OE specifications
About the DriveAlign Premium OE Pulley Line
The DriveAlign Premium OE Pulley line by Gates is developed to provide original equipment performance and durability. This product line focuses on delivering precise fit and function, matching the specifications of factory-installed components. The 36770 pulley is part of this line, ensuring it meets the rigorous standards required for Ford Super Duty accessory drive systems.
Detailed Product Description
This accessory drive belt idler pulley features a steel construction that withstands the stresses of engine operation. The flanged design helps maintain proper belt tracking, reducing the risk of belt slippage or misalignment. With eight V-ribbed grooves, it supports multi-rib accessory belts commonly used in Ford F-250 Super Duty and F-350 Super Duty vehicles. The included hardware—bolt, dust shield, and retainer—facilitates a straightforward installation process while protecting the bearing from contaminants.
Common Applications and Problem Solving
- Restores proper belt tension and alignment in Ford F-250 Super Duty and F-350 Super Duty
- Replaces worn or damaged idler pulleys causing belt noise or slippage
- Addresses belt wear due to pulley misalignment or bearing failure
- Prevents accessory drive system failures related to pulley degradation
- Supports maintenance of engine accessory components like alternator and power steering
Installation Notes and Tips
- Ensure compatibility with Ford F-250 Super Duty and F-350 Super Duty models before installation
- Use included bolt, dust shield, and retainer for secure mounting
- Inspect belt condition and replace if necessary during pulley installation
- Verify proper belt tension and alignment after installation to avoid premature wear
Quality Assurance and Warranty
The Gates DriveAlign Premium OE Pulley 36770 is manufactured to meet OE performance standards, ensuring reliable operation in Ford Super Duty vehicles. Gates provides quality assurance through rigorous testing and material selection. Warranty coverage details should be confirmed with the product documentation or manufacturer.
| Brand | Gates |
| Part Number | 36770 |
| Position | DriveAlign Premium OE Pulley, Grooved Pulley |
| Bearing Bore Inside Diameter | 17 |
| Bearing Bore Inside Diameter 1 (mm) | 17 |
| Contact Surface | V-Ribbed Grooved |
| Contents | Pulley, Bolt, Dust Shield, Retainer |
| Groove Quantity | 8 |
| Material | Steel |
| Number of Grooves | 8 |
| Number of Pulleys | 1 |
| OE Comparison Rating | OE Performance |
| Outside Diameter | 90 |
| Outside Diameter (mm) | 90 |
| Pulley 1 Flanged | Yes |
| Pulley 1 Flanged | Yes |
| Pulley Quantity | 1 |
| Width | 36 |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2019 | Ford | F-250 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
| 2019 | Ford | F-350 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
| 2018 | Ford | F-250 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
| 2018 | Ford | F-350 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
| 2017 | Ford | F-250 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
| 2017 | Ford | F-350 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
| 2016 | Ford | F-250 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
| 2016 | Ford | F-350 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
| 2015 | Ford | F-250 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
| 2015 | Ford | F-350 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
| 2014 | Ford | F-250 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
| 2014 | Ford | F-350 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
| 2013 | Ford | F-250 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
| 2013 | Ford | F-350 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
| 2012 | Ford | F-250 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
| 2012 | Ford | F-350 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
| 2011 | Ford | F-250 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
| 2011 | Ford | F-350 Super Duty | 6.7L | V8 | DIESEL | Grooved Pulley | W/Dual Alts.; DriveAlign Premium OE Pulley |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.