Moog 491 Universal Joint - Front Axle at Wheels, Front Axle Shaft - Left Outer or Front Axle Shaft - Right Outer

Moog Universal Joint for Jeep Wrangler and Wrangler JK

The Moog 491 Universal Joint is engineered to provide reliable driveline performance for Jeep Wrangler and Wrangler JK models. Designed with precision, this greaseable U-joint ensures smooth operation and durability under demanding conditions.

• Compatible with Jeep Wrangler and Wrangler JK driveline systems
• Greaseable design for extended service life
• Features 4 round plain bearings for balanced rotation
• Bearing cap diameter: 1.188 inches (30.2 mm)
• Length from outside bearing to outside bearing: 2.293 inches (58.24 mm)

Technical Specifications and Features

The Moog 491 Universal Joint includes four round plain bearings, each with a diameter of 1.188 inches (30.2 mm), providing consistent and stable movement within the driveline. Both axes have a length of 2.293 inches (58.24 mm) measured from the outside of one bearing cap to the outside of the opposite bearing cap. This greaseable U-joint allows for routine lubrication, which helps maintain optimal performance and reduces wear over time. The bearing caps are designed for durability and precise fitment, ensuring compatibility with the Jeep Wrangler and Wrangler JK models.

Applications and Problem Solving

• Replaces worn or damaged universal joints in Jeep Wrangler and Wrangler JK drive shafts
• Addresses driveline vibrations caused by failing U-joints
• Restores smooth rotational movement in the vehicle’s driveline
• Prevents premature wear by enabling regular lubrication
• Improves overall driveline reliability and vehicle handling

Installation Notes and Tips

When installing the Moog 491 Universal Joint, ensure the driveline is properly supported and aligned to avoid stress on the new U-joint. Use appropriate tools to press the bearing caps evenly into place without damaging the seals. Regularly grease the U-joint through the provided grease fittings to maintain smooth operation and extend service life. Verify fitment compatibility with Jeep Wrangler and Wrangler JK models before installation.

Quality Assurance and Warranty

Moog manufactures the 491 Universal Joint to meet strict quality standards, ensuring reliable performance in demanding automotive applications. This part is designed for durability and serviceability, backed by Moog’s commitment to quality. For warranty details, refer to Moog’s official documentation or contact authorized distributors.