HomeBelts and Cooling > Accessory Drive Belt System ComponentsGates 36742 Accessory Drive Belt Idler Pulley
Part #: 36742

Gates 36742 Accessory Drive Belt Idler Pulley

Upper, Lower, Alternator and Water Pump (Upper), Alternator and Water Pump (Lower), Alternator and Air Conditioning (Upper), Alternator and Air Conditioning (Lower), and Fan
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$53.36Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Accessory Drive Belt Idler Pulley for Precise Performance

The Gates DriveAlign Premium OE Pulley 36742 is engineered to provide consistent tension and smooth operation in your vehicle's accessory drive belt system. Designed with durable steel construction, this idler pulley ensures long-lasting performance and compatibility with various automotive applications.

  • Constructed from high-quality steel for durability
  • Outside diameter of 70 mm and width of 34 mm for precise fitment
  • Features smooth backside contact surface for reduced belt wear
  • Includes a single pulley with no grooves and no flange
  • OE exact comparison rating for reliable replacement

Detailed Product Features and Specifications

This accessory drive belt idler pulley from Gates is part of the DriveAlign Premium OE Pulley line, which focuses on delivering original equipment quality and fitment. The pulley measures 70 mm in outside diameter and 34 mm in width, making it suitable for maintaining proper belt alignment and tension. It features a smooth backside contact surface, which helps minimize belt wear and noise during operation. The pulley is constructed entirely from steel, providing strength and resistance to wear under demanding engine conditions. With bearing bore inside diameters of 10 mm and 18 mm, this pulley is designed to fit specific vehicle applications requiring these dimensions.

Applications and Common Issues Addressed

  • Replaces worn or damaged accessory drive belt idler pulleys
  • Prevents belt slippage and misalignment in the accessory drive system
  • Reduces noise caused by pulley bearing wear or surface damage
  • Helps maintain proper tension for alternator, power steering, and A/C belts
  • Supports smooth operation of accessory components in various makes and models

Installation Notes and Tips

When installing the Gates DriveAlign Premium OE Pulley 36742, ensure the pulley bore dimensions (10 mm and 18 mm) match your vehicle’s specifications. Proper alignment with the accessory drive belt is critical to avoid premature belt wear or pulley damage. Use appropriate tools to remove the old pulley and secure the new one without over-tightening, which could damage the bearing. Consult your vehicle’s service manual for torque specifications and installation procedures.

Quality Assurance and Warranty Information

Gates DriveAlign Premium OE Pulley products are manufactured to meet or exceed original equipment standards, ensuring reliable performance and fitment. The 36742 pulley carries an OE exact comparison rating, reflecting its adherence to strict quality controls. While specific warranty details are not provided here, Gates typically offers coverage against manufacturing defects. For warranty claims, refer to the official Gates documentation or your parts supplier.

BrandGates
Part Number36742
MaterialSteel
Pulley 1 FlangedNo
Bearing Bore Inside Diameter10
Bearing Bore Inside Diameter18
Groove Quantity0
Width34
Outside Diameter70
Pulley Quantity1
Bearing Bore Inside Diameter 1 (mm)10
Bearing Bore Inside Diameter 2 (mm)18
Contact SurfaceSmooth/backside
ContentsPulley
Number of Grooves0
Number of Pulleys1
OE Comparison RatingOe exact
Outside Diameter (mm)70
Pulley 1 FlangedNo

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* 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:

3674250073900657900657AA4722020019A4722020219A4722020519A4722021119A4722021219

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.