VEHICLE FITMENT	JEEP
TYPE	Engine crankshaft pulley
OE NUMBER	J3242886, 3242886
MATERIAL
SIZE	OD: ￠170.5 mm | Bore: ￠28.5 mm | H: 54 mm
CUSTOMIZED	Yes
CONDITION
MOQ	20 PCS
PACKAGE	Standard or as customer requirements

 

Crankshaft Pulley for JEEP Wrangler, Cherokee, Grand Cherokee 4.0L — J3242886

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Key Highlights & Design Advantages

This crankshaft pulley (also referred to as a harmonic balancer or vibration damper) is manufactured to meet or exceed OEM specifications for Jeep’s legendary 4.0L inline-6 engine family. It is designed to absorb crankshaft torsional vibrations, protecting internal engine components and ensuring the long-term reliability of the serpentine accessory drive system. Each unit undergoes strict quality control to ensure dimensional accuracy and balanced operation for smooth power delivery.

• Direct OEM replacement for JEEP 4.0L (AMC 242) and compatible 4.2L L6 engines — exact fit, no modifications required
• Features 6-rib serpentine belt profile for maximum surface contact and zero belt slippage
• Integrated rubber vibration damper reduces engine noise and extends bearing and belt service life
• Precisely balanced to minimize engine vibration across the full RPM range
• Anti-corrosion surface treatment for long-term durability in extreme off-road and utility conditions

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Full Specifications & Sizing Chart

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Compatible Models & Engine Fitment

This crankshaft pulley is compatible with the following JEEP models equipped with the inline-6 platform. Fitment data is cross-referenced against official Mopar parts catalogs:

Please verify your vehicle’s engine code and OEM part number before ordering. This pulley is specifically designed for the 4.0L / 4.2L L6 engines using serpentine (ribbed) accessory drives. If your original pulley carries J3242886, this replacement will fit correctly.

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The Advantage of Choosing Us

• OEM-level quality at aftermarket pricing — manufactured on the same production lines that supply major automotive brands, ensuring consistent quality without the dealership markup
• Extended service life — premium rubber bonding between hub and outer ring prevents separation and cracking under high heat and sustained RPM loads
• Strict quality inspection — every unit is dynamically balanced and measured against OEM blueprint specifications before shipment
• Fast worldwide shipping — well-stocked inventory ensures short lead times for both sample orders and bulk purchases

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Contact Us for Pricing & Orders

For pricing, bulk discounts, or technical questions, please contact us directly:

• Send an inquiry with the OEM part number and quantity required
• We respond to all inquiries within 24 hours on business days
• Custom packaging and private labeling available for volume orders

E-mail: info@CPTautoparts.com | sales@CPTautoparts.com

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