GM 12588387 Timing Chain Guide – Genuine OEM – Brand New

This listing is for a brand-new GM timing chain guide, part number 12588387. This guide is a critical component of the engine’s timing system, helping to maintain proper tension and alignment of the timing chain. It ensures quiet operation and long-term durability under OEM-spec tolerances.

This part is manufactured to GM’s original specifications and fits select GM engines equipped with overhead camshaft (OHC) timing chain systems.

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Product Details:

• Manufacturer: General Motors

• Part Number: 12588387

• Item Type: Timing Chain Guide

• Material: Hardened steel base with high-strength polymer guide surface

• Condition: New (bulk OEM stock – no retail box)

• Common Use: Chain tension and support on OHC GM engines

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Compatibility:

Used across a variety of GM vehicles including Chevrolet, GMC, Pontiac, Buick, and Saturn models equipped with 2.2L, 2.4L, or 2.0L Ecotec engines. Common in vehicles such as:

• Chevrolet Cobalt / Malibu / HHR

• Pontiac G5 / G6 / Solstice

• Saturn Ion / Aura / Sky

• Buick Regal

• GMC Terrain

• Cadillac ATS (select trims)

Please verify compatibility using your VIN or consult a GM parts catalog prior to purchase.

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Shipping:

• Ships within 3 business days

• Carefully packaged

• Combined shipping available on request

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Returns:

• 14-day return window

• Buyer pays return shipping

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About AIX Global:

AIX Global specializes in OEM automotive and industrial components. All parts are new, authentic, and sourced from certified supplier networks. We stock hard-to-find GM inventory, timing parts, gaskets, sensors, and more — all shipped with care and attention to detail.