Tykick Belt Tensioner Pulley for Medium‑Duty Trucks & Buses — 2010–2023 5.9L/6.7L Inline‑6, Complete Assembly

Tykick belt tensioner pulley is a direct-fit replacement designed to restore correct belt tension on a wide range of medium-duty trucks and school buses with 5.9L, 6.7L, and select 8.9L L6 engines (2010–2023).

This replacement tensioner assembly arrives fully assembled with pulley and is manufactured to match OE dimensions so it installs into vehicle accessory drive systems without modification. It cross-references common OEM part numbers and supports many Blue Bird, Freightliner, Ford, Kenworth, Peterbilt, International Harvester, IC Corporation, Autocar and other chassis used across vocational, school-bus and medium-duty applications.

Which vehicles and model years will this tensioner fit?

This Tykick unit covers a broad list of medium-duty trucks and buses produced between 2010 and 2023, specifically models that use 5.9L, 6.7L and some 8.9L inline-six engines. Fitment is provided for exact model-year ranges—verify your chassis and engine code before ordering.

• Blue Bird: All American FE/RE (2011–2016), Vision (2011–2017)
• Freightliner: 108SD, B2, M2 106, MT45/MT55, S2C, XB/XC variants (2010–2022)
• Ford: F-650, F-750 (2011–2015)
• Kenworth/Peterbilt/International/IC/Autocar models covering specified years

How does this tensioner compare to the OEM part numbers?

The Tykick tensioner is engineered to match key OE dimensions and replace several legacy part numbers listed for cross-reference. While it is produced to OE-style specifications, always compare part numbers and perform a vehicle-level fit check before installation.

• Cross-references include part numbers such as 38702, 5270678, 4929688, 0239233
• Built to align with original mounting points and belt routing
• Sold as a complete tensioner assembly with pulley installed

What are the build quality and warranty details?

This tensioner is constructed from durable materials intended for long service in commercial duty cycles and is inspected to meet dimensional tolerances. Tykick provides a limited six-month after-sales support program covering defects in materials and workmanship under normal use.

• Manufactured to OE-style specifications for fit and function
• Durable bearing and spring components for reliable tensioning
• Six-month support for replacement eligibility on qualifying defects

What should I check before buying and installing this part?

Confirm engine displacement, model year, and chassis code to ensure compatibility. Inspect the belt routing, mounting boss, and accessory clearances; if the original tensioner shows excessive wear, replace the belt when fitting the new unit for best results.

• Verify your vehicle make, model, year, and engine (5.9L, 6.7L, or listed 8.9L)
• Compare OEM part numbers for cross-reference guidance
• Replace worn drive belts and inspect pulleys during installation

Who this is for: mechanics, fleet maintenance managers, and DIY technicians who service medium-duty trucks and school buses and need a dependable, OE-dimension replacement belt tensioner. If you manage vehicles from Blue Bird, Freightliner, Ford, Kenworth, Peterbilt, International Harvester, IC Corporation, or Autocar within the listed years and engine types, this Tykick tensioner provides a practical solution for restoring proper accessory belt tension with a straightforward installation.