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What tool to disconect the hose

They don’t make a tool to remove it you have to remove the valve cover

Instructions how to replace gm oem-pcv valve 12637666 without break it?

you have to remove the valve cover To remove it

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⚙️ Upgrade your ride with GM’s precision-crafted PCV valve — because your engine deserves the best!

LIGHTWEIGHT PRECISION - Compact 4.54g design minimizes added weight without compromising strength
DURABILITY YOU CAN TRUST - Built with premium materials ensuring long-lasting performance under pressure
EMISSION CONTROL MASTERY - Regulates crankcase vapors to reduce oil leaks and maintain engine health
GM RECOMMENDED RELIABILITY - Officially endorsed replacement part for maintaining your vehicle’s peak condition
SEAMLESS GM OE COMPATIBILITY - Engineered to match original GM specs for flawless fit and function

The ACDelco GM Original Equipment 12637666 PCV Valve is a GM-recommended, factory-spec replacement part designed to regulate crankcase vapors efficiently. Manufactured to exact GM OE standards, it ensures optimal fit, durability, and emission control, helping prevent oil leaks and maintain engine performance in GM vehicles.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

€ 65.71

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Irelandstore

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Manufacturer	ACDelco
Brand	GM Genuine Parts
Model	Pcv Valve
Product Dimensions	10.67 x 10.67 x 10.41 cm; 4.54 g
Item model number	12637666
Exterior	Machined
Manufacturer Part Number	12637666
OEM Part Number	12637666
Item Weight	4.54 g

Acdelco gm Original Equipment 12637666 Positive Crankcase Ventilation (Pcv) Valve

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