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Engines and Components› Camshafts and Valvetrain

GM Genuine

Timing Sprocket

Name: Timing Sprocket
Brand: GM Genuine
SKU: 12591689

$29.99

SKU: 12591689

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Overview

The GM Genuine Parts 12591689 is a camshaft timing sprocket designed for reliable engine timing. It is constructed from powdered metal and features 44 teeth. This sprocket is specifically noted to fit LS3 engines equipped with a 58-tooth reluctor wheel.

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The GM Genuine Parts Camshaft Sprocket, also known as a cam gear, is an OEM-engineered timing component crucial for maintaining precise synchronization between the camshaft and crankshaft in GM LS-based engines. Manufactured to GM’s original specifications, this sprocket ensures accurate engine timing, robust durability, and reliable performance for extended service life under various operating conditions. Constructed from hardened steel and precision-machined to exact tolerances, the GM Genuine Parts camshaft sprocket facilitates consistent timing chain engagement and dependable performance across a wide RPM range. This component is well-suited for engine refreshes, timing set services, and professional-grade builds where factory geometry and timing integrity are paramount. Professional installation is recommended to ensure proper timing setup and optimal engine operation. This camshaft sprocket is designed for LS engines and is compatible with single-bolt camshaft applications and 58x crankshaft reluctor wheels. Specific fitment includes a wide range of GM vehicles from 2004 to 2019 across various models such as Cadillac CTS-V, Chevrolet Corvette, Tahoe, Trailblazer, GMC Yukon XL, and Pontiac G8.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

Brand	GM Genuine
Part Number	12591689
Category	Engines and Components

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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