Belt Tensioner Assembly with Pulley for Nissan Frontier 2005-2019 | Serpentine Drive Belt Tensioner Replacement - Eliminate Squealing & Chirping Noise, Restore Smooth Accessory Drive Performance

Fitmentfor Nissanfor Frontier 2.5L 2005-2019Part Number11955-EA00A,39391,11955EA00B,11955EA000,11955EA00A,11955-EA00B,A0242A0011,11955-EA000

• ⚡ EXACT FITMENT & WIDE COMPATIBILITY — Precision-engineered serpentine belt tensioner assembly with pulley for 2005-2019 Nissan Frontier 2.5L L4 Engine. Also compatible with 2005-2015 Nissan Xterra 2.5L, 2005-2012 Nissan Pathfinder 2.5L, 2009-2012 Suzuki Equator 2.5L. Direct replacement for OE part numbers 11955-EA00B, 11955-EA000, 11955EA00B, 11955EA000, 11955-EA00A, 11955EA00A, A0242A0011, 39391. Verify your vehicle fitment before ordering.
• 🔧 ELIMINATE SQUEALING & CHIRPING NOISE — Say goodbye to annoying engine bay noises! A failing belt tensioner can cause persistent belt squeal, chirping sounds from pulley misalignment, and belt slippage during cold starts or acceleration. This automatic drive belt tensioner maintains optimal serpentine belt tension at all RPMs, effectively eliminating belt flapping, bearing noise, and system vibration.
• 🛡️ O.E. STANDARD QUALITY & BUILT TO LAST — Manufactured to meet or exceed OEM specifications for quality control, ensuring reliable and consistent performance. Features a heavy-duty steel pulley with precision sealed bearings, high-torque spring mechanism for constant belt tension control, and electro-deposited corrosion-resistant coating — perfect for daily driving, off-road trails, and heavy-duty workloads.
• 🔩 PROTECT YOUR ENGINE ACCESSORIES — A worn or failed belt tensioner can lead to alternator undercharging, power steering pump failure, A/C compressor malfunction, and even engine overheating. Restore proper drive belt tension to safeguard every critical accessory component driven by your serpentine belt system — from the alternator and water pump to the A/C compressor and power steering pump.
• 📦 COMPLETE TENSIONER ASSEMBLY — Includes 1x pre-assembled belt tensioner with integrated pulley, ready for direct bolt-on installation. Recommend replacing the serpentine belt simultaneously to maximize system service life — both parts share the same design life targets, and simultaneous replacement lowers long-term labor costs and prevents future breakdowns. Professional installation is recommended.