Vehicle Fitment

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GMC

Pontiac

Specifications

Pitch Flywheels	12
LineCode	ATP4
Ring Gear Chamfer	NONE
Inside Diameter	11.588 in
Thickness	0.453 in
Outside Diameter	12.41 in
Tooth Quantity	148

Features

Manufactured to meet or exceed original equipment specs
Eliminates grinding from damaged teeth
Increases starter drive life

Product Details

Flywheel Ring Gear (ZA-532) by ATP®. Flywheel Tooth Number: 148. Size: 11.588" ID, 12.41" OD. The ring gear has teeth which engage with the starter motor allowing the engine to crank over and start. Repeated engagement with the starter results in worn or broken ring gear teeth. Once this is diagnosed, the ring gear must be replaced. ATP ring gears are designed to fit and function just like the original part to ensure durability and long life.

The primary purpose of the flywheel is to store kinetic energy and preserve the rotating inertia of the engine through its cycles. The flywheel ring gear is also engaged by the starter drive pinion to make the electric motor turns the crankshaft starting a vehicle. The dual mass flywheel is used to eliminate engine vibrations preventing premature gear wear. Proper operation of both flywheels are critical for high performance of the vehicle. If your flywheels, dual mass flywheels, or related parts such as flywheel bolts, shims, or ring gears are cracked or damaged, turn to ATP products. They are designed and manufactured to meet or exceed the highest OE standards for quality, fit, and function. Made of premium quality materials, the products ensure superior durability for long-lasting service life.

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Brand:

ATP

Part Number:

ZA-532

UPC:

740993024033

Alternate MPN:

ZA532

OE Numbers:

14033090

Warranty

ATP Automotive Limited 1-Year Warranty

ATP warrants, to its direct purchaser only, any products sold by ATP to be free from defects in material and workmanship for a period of one (1) year from the date of sale to the original consumer purchaser. ATP's obligation under this warranty is expressly conditional on proper installation of the part and normal operation of the vehicle. ATP will replace or repair this product, if it has been proven to be defective within the one year warranty period.

ATP Driven Limited 5-Year Warranty: Applies to Front Differentials

ATP warrants, to its direct purchaser only, any products sold by ATP to be free from defects in material and workmanship for a period of five (5) years from the date of sale to the original consumer purchaser. ATP's obligation under this warranty is expressly conditional on proper installation of the part and normal operation of the vehicle. ATP will replace or repair this product, if it has been proven to be defective within the one year warranty period.

ATP Graywerks Limited Lifetime Warranty: Applies to Exhaust Manifolds, Intake Manifolds, Harmonic Balancers, Oil Pans, Transmission Pans and Timing Covers

ATP warrants, to its direct purchaser only, any products sold by ATP to be free from defects in material and workmanship under normal use (no off-road damage or racing use). ATP’s obligation under this warranty is expressly conditional on proper installation of the part and normal operation of the vehicle. ATP will replace or repair this product, if it has been proven to be defective.

ATP Graywerks Limited 5-Year/ 50,000-Mile Warranty – Manifold Catalytic Converters

ATP warrants that the catalysts in its converters are free from defects in material and workmanship which cause such catalysts to fail to conform to emission reduction requirements specified by the U.S. Environmental Protection Agency for a period of 50,000 miles or the California Air Resources Board for a period of five (5) years or 50,000 miles, as applicable, from the date of installation of said catalytic converter.

ATP warrants that the external shell, including manifold and end pipes shall be free from defects in material and workmanship for a period of five (5) years or 50,000 miles from the date of installation, whichever comes first.

This warranty is conditioned upon the converter being properly installed on the vehicle for which it is designated and cataloged and the said vehicle is maintained in proper operating condition according to original specifications.

ATP will replace or repair this product, if it has been proven to be defective within the five-year/50,000-mile warranty period.

Magnuson-Moss Warranty Act:

Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Reviews

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5 of 5

Flywheel Ring

Product was exactly what I needed and shipped quickly.

ATP® ZA-573 - Automatic Transmission Ring Gear

Posted by Customer / February 22, 20241963 Dodge Power Wagon

Questions and Answers

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ATP® ZA-532 - Flywheel Ring Gear