Dayco 95249 Engine Timing Belt - Camshaft

Overview of Dayco Timing Belt 95249

The Dayco Timing Belt 95249 is engineered for reliable performance in select INFINITI, Mercury, and Nissan vehicles. Designed with durable materials and precise construction, this engine timing belt supports optimal valve train operation for models like the Nissan Frontier and INFINITI QX4.

• Constructed from highly saturated (acryl) nitrile material for heat resistance
• Includes timing marks for accurate installation
• Top width of 25 mm (0.99 inches) ensures proper fit
• Effective length of 1267 mm (49.89 inches) matches OEM specifications
• Features 133 teeth with a round tooth profile and 9.525 mm (.375 inch) tooth pitch
• Black color with high-temperature construction for durability

Dayco Timing Belt Product Line Details

The Dayco Timing Belt line focuses on delivering engine timing belts designed to meet or exceed original equipment standards. This product line emphasizes materials and construction that withstand high temperatures and maintain precise timing alignment, critical for valve train components. The 95249 timing belt exemplifies these qualities, providing a reliable replacement for compatible vehicles.

Technical Description and Features

This engine timing belt is made from highly saturated (acryl) nitrile, a material known for its resistance to heat and wear, which is essential for maintaining timing accuracy under demanding engine conditions. The belt’s 133 teeth with a round tooth profile and a tooth pitch of 9.525 mm ensure smooth engagement with pulleys and sprockets. Timing marks are included to facilitate correct alignment during installation. With a top width of 25 mm and an effective length of 1267 mm, this belt fits specific models such as the Nissan Maxima, Pathfinder, and Mercury Villager.

Compatible Vehicles and Applications

• INFINITI QX4 and Quest
• Mercury Villager
• Nissan D21, Frontier, Maxima, Pathfinder, Pickup, Quest, Xterra

This timing belt is designed to maintain precise valve timing, which is critical for engine performance and longevity.

Common Issues Addressed by Replacing the Timing Belt

• Preventing engine misfires caused by worn or stretched belts
• Eliminating timing slippage that can lead to poor engine performance
• Reducing risk of belt failure that may cause severe engine damage
• Ensuring proper synchronization of camshaft and crankshaft
• Maintaining optimal fuel efficiency and emissions control

Installation Notes and Tips

When installing the Dayco Timing Belt 95249, ensure the timing marks on the belt align precisely with the engine’s timing marks. Use proper tensioning tools to avoid over-tightening or slack, which can affect belt longevity. It is recommended to inspect related components such as tensioners and pulleys during replacement to ensure overall system reliability.

Quality Assurance and Warranty

Dayco timing belts are manufactured to meet stringent quality standards, using materials designed for high-temperature environments. The 95249 part number undergoes rigorous testing to ensure durability and performance. Warranty coverage details should be confirmed with the distributor or manufacturer.