what is the diameter of this pulley in millimeters?

The precise diameter of the pulley tensioner is 3.54" wide x 1.18" deep or 90mm x 30mm ... I just now noticed that this question was posted and even answered 8 yrs ago! .. so I'm hoping that within the 8yrs since the original post the person was able to get the information they were seeking

would like to know if this will fit the passenger and driver side i have a/c and i have a ford 2008 f150 stx 4x4 4.6L extended cab need driver side

I'm not sure why you are asking about if it will fit driver/passenger side because it's just a tensioner pulley. I apologize if I missed something nor am I trying to be disrespectful in any way.. anyhow I hope you got your question answered by the right person. Have a blessed day

Does it a fit a 2007 ford taurus se i seen someone on youtube say it will fit but on here and on dorman's website says it doesn't

Sorry it will not work for that vehicle

what is adjustable on it? and it mentions steel or plastic, can I be sure i get steel?

Not sure why it states steel or plastic. There is nothing adjustable on it.It fit great. No problems installing

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Dorman 419-602 Idler Pulley (Pulley Only) Compatible with Select Models

Product ID: 3033224

⏳Long service life & reliability

🔩Direct OEM fit replacement

⚙️Steel construction for durability

S$37

Duties & taxes included

In stock

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Description

⚙️ Upgrade your drive belt game — don’t let a worn pulley hold you back!

TRUSTED QUALITY - Backed by 100+ years of automotive expertise and expert support
SMOOTH OPERATION - Reduces belt noise and vibration for a quieter ride
EASY INSTALLATION - Designed for hassle-free DIY replacement with common tools
PRECISION OEM FIT - Seamlessly replaces original pulley for perfect compatibility
ROBUST STEEL BUILD - Engineered with high-grade steel to withstand wear and corrosion

The Dorman 419-602 Idler Pulley is a durable, steel-constructed direct replacement part engineered to restore your vehicle’s accessory drive belt tensioner functionality. Designed for select models, it ensures a perfect OEM fit, reduces belt noise, and offers long-lasting performance backed by over a century of automotive expertise.

Specifications

ASIN	B003SZ3GK0
Best Sellers Rank	#41,212 in Automotive ( See Top 100 in Automotive ) #9 in Automotive Replacement Idler Pulleys
Brand	Dorman
Customer Reviews	4.6 4.6 out of 5 stars (2,840)
Date First Available	December 1, 2009
Exterior	Machined
Is Discontinued By Manufacturer	No
Item Weight	8.8 ounces
Item model number	419-602
Manufacturer	Dorman Products
Manufacturer Part Number	419-602
Model	419-602
OEM Part Number	36275; 36299; 38001; 45975; 49001; 49154; 5975; 89006; 89097; GM1413162; KR-139032; SK89006; 10067479; 10069964; 10124631; 10129569; 10141997; 10187662; 10229114; 10237275; 12552358; 12552361; 12552509; 12555244; 12555245; 12555609; 12563084; 12564505; 12564510; 12580771; 12580773; 12669569; 14102645; 15662645; 166200W100; 166200W101; 1L2Z8678AB; 1L2Z8678AD; 22521201; 25527750; 2F2Z6C348AC; 31170-…
Position	Center
Product Dimensions	4.5 x 4.5 x 4.5 inches

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