CARPARTNER GM LS SERIES ENGINE CRANKSHAFT PULLEY – OEM 12576652 / 12553112 / 12634105

Advanced Torsional Attenuation and Drive System Security for GM V8 Platforms

At CARPARTNER, our primary objective is the long-term mechanical health and operational safety of your vehicle’s powerplant. This 12576652 crankshaft pulley is meticulously engineered for GM, Isuzu, and Saab V8 engines to neutralize the structural impact of severe torsional harmonics. By absorbing high-frequency mechanical shocks at the source, our harmonic damper protects critical internal components and auxiliary systems from progressive fatigue, ensuring a stable and secure drive for heavy-duty applications.

Technical Specifications

• Brand: CARPARTNER
• OEM Part Numbers: 12576652 / 12553112 / 12634105
• Vehicle Compatibility: GM General Motors (1999-2010), Isuzu (2003-2006), Saab (2005-2009)
• Engine Fitment: Optimized for 4.8L, 5.3L, and 6.0L LS-Series V8 Engines
• Dimensions (mm): Ext.￠194 / Height: 110

CARPARTNER’s Industrial Leadership and Certified Global Wholesale Supply

With more than a decade of specialized industrial R&D and high-precision production, CARPARTNER stands as a professional factory leader in engine damping technology. Our manufacturing processes are built on deep technical accumulation, supporting our global partners with products that meet strict original equipment standards and provide high service life. We facilitate seamless international logistics, ensuring our B2B partners receive consistent, premium-grade components for large-scale inventory needs.

Our Manufacturing Advantage

• Engineering Literacy: Our production facilities are managed by senior automotive specialists in metallurgy and torsional vibration dynamics.
• Wholesale Customization (OEM/ODM): We offer modular production services, including custom branding, tailored material options, and reinforced bulk packaging for international importers.

High-Strength Ductile Iron Metallurgy and Precision Bonded Elastomers

The exceptional reliability of a CARPARTNER harmonic balancer is achieved through the perfect structural integration of its metallic hub and high-performance damping elements.

Material & Manufacturing Standards

• High-Strength Ductile Iron Casting: The main body of our 12576652 pulley is cast from premium ductile iron to ensure maximum durability and anti-fatigue performance under intense mechanical stress.
• Performance Damping Materials: Our damping rings are selected for their thermal stability and resistance to aging, maintaining consistent elasticity even under extreme engine compartment temperatures.
• Advanced Integrated Vulcanization: A failsafe bond is established between the iron core and the damping element through a specialized, high-temperature vulcanization process, preventing structural delamination.
• 100% Dynamic Balance Testing: Every individual unit undergoes CNC precision-machined and computerized dynamic balance verification to eliminate drivetrain noise and protect accessory belts.

Inquiry Data Required for Professional Quoting

Please provide the following details for a precise quote:

Vehicle Information:

• Vehicle Nameplate / Engine Model / Brand & Year

Product Details:

• OEM Part Number (12576652) / Required Purchase Quantity

Logistics Profile:

• Domestic: Warehouse contact.
• International: Country, Full Address, and Zip Code.

Special Requirements:

• Packaging (Standard Export or Customized).

Our Service and Contact Network

🔹 E-mail: info@CPTautoparts.com ; sales@CPTautoparts.com