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⚙️ Power your ride with GM precision – because your engine deserves the best!
The GM Genuine Parts 12674549 Piston is a precision-machined, OE-certified replacement part engineered by GM to meet rigorous standards. Designed specifically for Chevrolet, Buick, GMC, and Cadillac vehicles, it integrates advanced materials and updated technologies to ensure durability and optimal engine performance.
























| Asin | B09887PS9C |
| Best Sellers Rank | #2,539,543 in Automotive (See Top 100 in Automotive) #66 in Automotive Replacement Cast Engine Pistons |
| Brand | GM GENUINE PARTS |
| Customer Reviews | 5.0 5.0 out of 5 stars (4) 5.0 out of 5 stars |
| Date First Available | June 29, 2021 |
| Exterior | Machined |
| Item Model Number | 12674549 |
| Item Weight | 1.61 pounds |
| Manufacturer | GM Genuine Parts |
| Manufacturer Part Number | 12674549 |
| Model | GM Original Equipment |
| Product Dimensions | 11.25 x 4.75 x 4.75 inches |
User
Looks great
Opened up my motor- block destroyed. But part looks good . My motor sucked water- thought only one rod bent . But I bent several and broke block
User
Miniature Piston Assembly
Very nicely finished piston/rod example to compare size differences between engine components. Goes good with my other LS & SBC engine components.
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