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The Best Idler Pulley Size Chart of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Idler Pulley Size Chart of 2023. Check our ranking below.

2,326 Reviews Scanned

Rank No. #1

ACDelco Gold 38001 Idler Pulley

Helps keep the drive belt properly aligned and routed.Material:steel
Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Premium aftermarket replacement part
Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models

Rank No. #2

Replacement Idler Pulley 179114 532179114 for Craftsman/HU Mower - Flat Idler Pulley Compatible with Craftsman LT1000, Hu sqvarna Po Ulan Pro AYP Riding Mower, Replace 12644 280-934, 2 Pack

【Replace Part Numbers】① AYP/Craftsman/Hu sqvarna/Po ulan 179114, 532179114, 5321791-14, 532-179114, 532 17 91-14; ② Others: 12644, 280-934, 13-12644, 78-056. Please check with your original part number before purchase.
【Compatible with Mower】Flat pulley is compatible with ① C raftsman LT1000, LT2000, 917.275820, etc. lawn tractor; ② Hu sqvarna YTH1848XP, YTH1542XP, YTH2148, YTH2448, LT1538, LTH1742, YTH 1842, etc. lawn mower; ③ Pou lan HD17542, PD17542LT, PO17542LT, PO19542LT, SO17542LT, PO16542LT, PO17542LTX, PR20PH42STA, etc. riding mower; ④ compatible with R yobi HDK19H42, etc.
【Function】The 179114 idler pulley is to ensure smooth movement of the belts within your mower, helping apply tension to the drive belt, allowing the belt to turn.
【Easy to Install】 Align the idler arm on the shoulder washer, slide the pulley washer on the mounting bolt, slide on the tension pulley, and then thread and tighten the nut to secure with wrenches. Pull down on the idler pulley arm to help hold the bolt in place as tighten the nut.
【Package Includes】 Ground drive fixed idler pulley x 2. With 3.5 Inch in OD, 0.375 Inch in ID, 1 Inch in height. Made of lightweight plastic material and constructed of pre-greased steel bearing, sturdy and smooth-running.

Rank No. #3

POSEAGLE GY20629 Idler Pulley with GY22172 Idler Pulley Kit Replaces GY20629 Idler Pulley John Deere GY20629 Pulley, GY22172 Idler Pulley John Deere GY22172 Pulley, GY22082, GY20110, GY20067

GY20629 Idler Pulley Replaces GY20629 John Deere Part GY20629 Idler Pulley John Deere GY20629 Pulley, GY20629 Flat Idler Pulley, John Deere Part GY22082 Idler Pulley John Deere GY22082 Pulley, GY20110 Idler Pulley, GY20110 Pulley, Cub Cadet 756-05034a Idler Pulley 4.50" dia, MTD 756-05034a Idler Pulley 756-05034a, 756 05034a Idler Pulley, 75605034a, 756 05034
GY22172 Idler Pulley Replaces GY22172 Idler Pulley John Deere GY22172 Pulley, John Deere Idler GY22172, John Deere Pulley GY22172 John Deere Pulley, John Deere FLat Idler Pulley - GY22172, John Deere GY22172 Idler Pulley, GY 22172, John Deere GY20067 Idler Pulley John Deere GY20067 Pulley GY20067 Idler Pulley GY20067, A-B1JD22
Hardware for Idler Pulley: 2xM10 Flanged Nylon Lock Nuts; Assembly Tool Kit is Provided for you to Make your Idler Pulley Replacement Easiler and more Convenient. Assembly Tool Kit Includes: 1x 16mm Metric L Shaped Angled Hex Socket Wrench, it is Durable with Nickel-plated Surface
Fits for John Deere 102, 105, 107, 115, 125, 135, 145, 108-14.5 SABO, 108-17HS SABO, 14.542GS SABRE, 155C, 1642HS SABRE, 17.542HS SABRE, 190C, D100, D105, D110, D120, D125, D130, D140, D150, D155, D160, E100, E110, E120, E130, E140, E150, E160, E170, L100, L105, L107, L108, L110, L111, L118, L120, L130, L17.542 Scotts, L1742 Scotts, L2048 Scotts, L2548 Scotts Lawn Tractors
Fits for John DeereLA100, LA105, LA110, LA115, LA120, LA125, LA130, LA135, LA140, LA145, LA155, LA165, S100, S110, S120, S130, S140, S160, S170, S220, S240, X105, X106, X107, X110, X120, X125, X126, X127, X140, X145, X165, X166, X167, Z225 EZtrak, Z235 EZtrak Lawn Tractors

Rank No. #4

Antanker Flat Idler Pulley Replacement for Hus qvarna/Poulan/Roper/Craftsman 173437 131494 155191104360X 165888 532104360 532131494

Replaces Idler Pulley OEM: for AYP/Hus qvarna/Poulan/Roper/Crafts man 173437 131494 155191104360X 165888 532104360 532131494
Fits Most LTH 1342 LTH 1342B LTH 1342C YTH 1342XPA YTH 1542A YTH 1542B YTH 1542C YTH 1542D YTH 1542E YTH 1542XP YTH 1542XPC
Fits Most YTH 1542XPE YTH 1542XPG YTH 1542XPT YTH 1842 YTH 1842XPB YTH 18542 YTH 2048A YTH 2242A YTH 2242B YTKH 1542XPA YTH 1542XPB YTH 1542XPC series yard tractors
Fits: 42" Decks from 2000-UP
OD 3-7/8 Inch, Overall width 1-3/8-inch, ID 3/8-inch

Rank No. #5

Gates 36299 Idler Pulley

Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance
Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants
OE-quality fit for virtually every domestic or import vehicle on the road today
Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures

Last update on 2025-08-02 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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Brand Value: Every brand of Idler Pulley Size Chart has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Idler Pulley Size Chart?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Idler Pulley Size Chart.
Customer Ratings: Number ratings grade Idler Pulley Size Chart objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Idler Pulley Size Chart.
Product Quality: You don’t always get what you pay for with an Idler Pulley Size Chart, sometimes less, and sometimes more.
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FAQ:

Q: Is idler pulley the same as the tensioner pulley?

A: The idler pulley and the pulley on the tensioner are the same. They also use the same bearing which is replaceable and at a much reduced price. You should replace both bearings.

Q: What are the symptoms of an idler pulley?

A: Symptoms of a Bad or Failing Idler Pulley Visibly worn pulleys One of the first symptoms of an issue with an idler pulley is visible wear on the pulley. … Belt squealing Another common symptom of a possible issue with the idler pulley is squealing from the engine belts. … Damaged bearing or pulley

Q: What does the idler pulley actually do?

A: The idler pulley is one pulley in a set that drives the belt system of a vehicle. The idler pulley regulates the belts that connect to the crankshaft and are used to produce movement in numerous engine accessories, such as the alternator, steering pump and air-conditioner compressor.

Q: What is the function of the idler pulley on cars?

A: What Is the Function of an Idler Pulley? Function. The idler pulley is one pulley in a set that drives the belt system of a vehicle. … Design. The idler pulley consists of a pulley component called a sheave, or a wheel containing a groove that runs along its end. Wear. An idler pulley’s components experience wear over time. …

Idler Pulley Size Chart