Would this fit a 2009 gmc sierra 5.3l 1500? o'reilly's show this part number as a fit, but amazon says that it doesn't, so, am confused.

Amazon was wrong on my 2007 Chev Suburban 1500 5.3 Flex Fuel. They showed a fit for me and it was not. The one you show is a two-bolt bracket. Check your bracket. The one on my Suburban is a three-bolt bracket. If you look closely you should be able to see if there is another bolt on the lower left (from the view shown here it would be out of sight and what threw me). If it is not there on your vehicle then I would believe O'Reilly's and it should fit fine.

Can be used this part with volvo penta 4.3gl?

I am wondering why it cant be used on a volvo penta 4.3 gl. It is a gm motor and they use gm parts on this motor. It looks identical to the one thats on my 4.3. Does anyone kno what id different about this one???

I only see fitment for two bolts?it calls for 3 bolts

Important Information: This Tensioner With (2)Two Holes Is A Direct Replacement For The Earlier GM V8 4.8L, 5.3L, 6.0L Engines With (3)Three Hole Mounting Tensioner GM Superseded The Three Bolts With Two Bolts Tensioner This procedure is referenced in Dealer Bulletin ACC08-035. & Crate Engine/Dress-Up Parts in Bulletin GMP09-200 The Third Mounting Hole Was Eliminated In The New Design Due To Unnecessary Stress Load On The Water Pump. (DISREGARD UNUSED THIRD BOLT) when mounting the Replacement 12609719 Two Hole Tensioner

Does this include the pulley ??

This is the complete tensioner pulley. The idler pulley is a seperate part.

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⚡ Drive with confidence, powered by precision and durability!

TRUSTED GM BACKING - Quality you can count on, backed by General Motors for peace of mind and superior standards.
HEAVY DUTY RELIABILITY - Built to withstand intense engine demands, ensuring long-lasting durability under pressure.
UNIVERSAL COMPATIBILITY - Designed for GM vehicles and many other makes, perfect for special applications and upgrades.
MULTI RIBBED POWER DRIVE - Efficiently drives multiple engine components like alternator and power steering pump with ease.
PRECISION ENGINEERED FIT - Manufactured to exact GM OE specs for seamless installation and optimal performance.

The ACDelco Gold K100661HD Heavy Duty V-Ribbed Serpentine Belt is a premium replacement belt engineered to GM OE specifications. With a 1-1/4 inch pulley width and multi-ribbed design, it reliably drives multiple engine components while offering heavy duty durability and trusted GM quality for a wide range of vehicles.

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Manufacturer	ACDelco
Brand	GM Parts
Model	Drive Belt Tensioner
Product Dimensions	16.51 x 10.8 x 10.8 cm; 752.96 g
Item model number	12609719
Manufacturer part number	12609719
OEM Part Number	12609719
Item Weight	753 g

ACDelco Gold K100661HD Heavy Duty V-Ribbed Serpentine Belt

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