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Dayco Tension Pulley 89144 Front Idler Polymer Molded Design-0

Dayco Tension Pulley 89144 Front Idler Polymer Molded Design

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GM Genuine Parts Idler Pulley Center OEM Replacement 12739915 Machined

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GM Genuine Parts Idler Pulley Center OEM Replacement 12739915 Machined-0

ACDelco Idler Pulley 36310 Replacement for GM Vehicles Heavy Duty

Original price was: $25.50.Current price is: $24.74.

The ACDelco 36310 Idler Pulley delivers OEM‑level fit and durability for a wide range of General Motors vehicles. Its heavy‑duty steel bearing ensures smooth operation under high load, while the compact 3.6‑inch design fits tight engine bays. Ideal for DIY repairs or professional service, this premium aftermarket part restores reliable drive‑belt performance.

9999 in stock
SKU: CJHITSB005QW Category:
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Description

Product Overview

The ACDelco Idler Pulley 36310 is engineered to meet original equipment specifications for General Motors vehicles. Constructed from hardened steel, the bearing is designed for high‑speed, high‑load applications, providing consistent tension and smooth belt rotation. Dimensions measure 3.6 x 3.6 x 2 inches, and the unit weighs just 15 ounces, making it easy to handle during installation.
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Usage

This pulley is suited for engine accessory drive systems in cars, trucks, and SUVs that use a serpentine belt. Ideal for both routine maintenance and replacement after wear, it serves DIY enthusiasts and professional mechanics alike. Install it in any GM model that matches the OEM part number 19253837 for reliable performance.

Why Choose Us

ACDelco’s reputation for quality ensures this pulley matches the fit, form, and function of the original part. Manufactured to strict tolerances, it offers long‑lasting durability and reduces the risk of belt slippage. Backed by a solid warranty and responsive customer support, you can trust the replacement to keep your engine running smoothly.

Key Features

  • Heavy‑duty steel bearing for high load capacity and longevity
  • Exact OEM dimensions ensure a perfect fit on GM engines
  • Compact size simplifies installation in tight engine bays
  • Reduces belt wear and vibration for smoother operation
  • Supported by ACDelco warranty and dedicated after‑sales service

FAQ

Does this pulley fit all GM models?

It matches the OEM part number 19253837, which is used across many General Motors cars, trucks, and SUVs. Verify your vehicle’s service manual for exact compatibility.

What is the bearing material?

The bearing is made from hardened steel, designed for the specific speed and load requirements of engine accessory drives.

Is any special tool required for installation?

Standard pulley removal and installation tools are sufficient. A torque wrench is recommended to secure the mounting bolt to the manufacturer’s specifications.

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