⚙️ Keep your GM running like new — because your ride deserves the best!
The GM Genuine Parts 12573024 Drive Belt Tensioner is a factory-spec replacement part designed to maintain optimal drive belt tension in GM vehicles. Manufactured by ACDelco to meet GM OE standards, it ensures reliable, durable performance with precise fit and defect-free quality, making it the trusted choice for professional-grade vehicle maintenance.
| Manufacturer | ACDelco |
| Brand | GM Genuine Parts |
| Model | Belt Tensioner |
| Item Weight | 1.81 pounds |
| Product Dimensions | 11.25 x 4.75 x 4.75 inches |
| Item model number | 12573024 |
| Exterior | Painted |
| Manufacturer Part Number | 12573024 |
| OEM Part Number | 12573024 |
H**R
Works great
Nice to have avery quiet belt again... Great quality and original fit
M**M
Oem
Oem item for GM cars, exact as original part
H**.
great fit
no problems seems to have done good
M**E
OEM
Exactly the same as the part that came with the 2004 Trailblazer. Easy to install. Vary happy with results.
L**E
OEM is the way to go.
Installed an after market and a new belt and after a couple hours it began to squeak again. Then I installed this OEM belt tensioner and the squeak was magically gone. Even with the AC on full blast.
C**N
oem quality part 👍😃 only 1 bolt to remove and install i am very happy with this product
Great part easy to remove and install no more noise when i turn on air conditioner or turn corner im very happy with this part
K**S
PULLY TENSIONER
I Liked THIS BUT TENSION,NOISE LEVEL BUT FINALLY GOT THIS WORKING THANK YOU.
A**R
Belt tensioner
Part was received when promised. It was original a.c. delco as advertised. Fit and function was perfect. Will buy from this supplier again when needed.
Trustpilot
1 week ago
2 weeks ago
