ACDelco GM Genuine Parts Pistons 12646457

Name: ACDelco GM Genuine Parts Pistons
Brand: ACDelco
SKU: ADO-12646457
Price: 78.99 USD
Availability: OutOfStock
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Part Number: ADO-12646457

$78.99

ACDelco GM Genuine Parts Pistons

Pistons, GM Genuine Parts Pistons, 3.428 in. Bore, .803 in. Pin Diameter, Buick, Chevy, GMC, Pontiac, Saturn, Each
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ACDelco GM Genuine Parts Pistons 12646457

ADO-12646457

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Part Number: ADO-12646457

Estimated Ship Date: Dec 10, 2026

$78.99

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Overview

Applications

Q&A

Instructions & Calculators

Estimated Ship Date: Dec 10, 2026 Would you rather pick it up?

Overview

Brand:

ACDelco

Manufacturer's Part Number:

12646457

Part Type:

Pistons

Product Line:

ACDelco GM Genuine Parts Pistons

Summit Racing Part Number:

ADO-12646457

UPC:

195491147225

Piston Rings Included:

Bore (in.):

3.428 in.

Bore (mm):

87.080mm

Engine Stroke Type:

Stock

Actual Engine Displacement:

2.4L/145

Piston Style:

Flat top, with four valve reliefs

Piston Material:

Cast aluminum

Wrist Pin Style:

Floating

Wrist Pin Retainers Included:

Yes

Wrist Pin Included:

Yes

Pin Diameter (in.):

0.803 in.

File Fit:

Gapless:

Remanufactured:

Quantity:

Sold individually.

ACDelco GM Genuine Parts Pistons

ACDelco GM Genuine Parts pistons are designed, engineered, and tested by rigorous General Motors standards. These OE replacements are the parts installed during the production of (or validated for) GM vehicles. They're designed to factory specs to ensure precise fitment and optimum performance. Order the pistons recommended for your application.

Applications