hello friend I wonder if the tensioner pulley is metal and if it profit a 2005 Aveo automatic thanks

Yes it is metal and it is specific for the make and model and engine of the vehicle. This one fits 5.3L V8 engines and possibly others, but I am sure it would not fit on an Aveo. You are best off to take your car to an auto mechanic.

Does this fit a 2004 Yukon Denali 6.0?

I used it on a 2005 Denali 6.0, so should be the same.

Does this fit a 97 Buick park Avenue ultra supercharger 3.8

No clue, but I doubt it. I bought it for an '06 Chevy Silverado pickup with a 325 V8 and it fits perfectly.

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⚙️ Drive with confidence—because your engine deserves the pro touch!

UNIVERSAL FIT - Comprehensive coverage for domestic, import, and heavy-duty vehicles—one part, endless compatibility
OEM BACKED QUALITY - Manufactured to meet or exceed original equipment standards for trusted reliability
DURABILITY ENGINEERED - High-quality materials and torsional spring design resist contamination and fatigue
PRECISION BELT CONTROL - Maintains optimal belt tension and alignment for peak engine performance
VIBRATION DAMPING TECH - Patented system extends belt and accessory lifespan by reducing wear

The ACDelco 38158 Professional Automatic Belt Tensioner and Pulley Assembly ensures precise belt tension and alignment using a patented vibration damping system and torsional round spring design. Engineered from premium materials, it offers enhanced durability and broad compatibility across domestic, import, and heavy-duty vehicles. Backed by General Motors, this OEM-quality part guarantees long-lasting performance and reliability for your accessory drive system.

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Manufacturer	ACDelco
Brand	ACDelco
Model	Drive Belt Tensioner
Product Dimensions	22.35 x 12.19 x 9.14 cm; 453.59 g
Item model number	38158
Exterior	Machined
Manufacturer part number	88929140
OEM Part Number	88929140
Item Weight	454 g

ACDelco 38158 Professional Automatic Belt Tensioner and Pulley Assembly

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