Tykick Belt Tensioner Pulley for 5.9L & 6.7L L6 Trucks 2010-2023 - OE Fit, Heavy-Duty Durability

Tykick belt tensioner pulley engineered to replace OE units (38702, 5270678, 4929688, 0239233) and restore proper serpentine belt tension on compatible 5.9L and 6.7L L6 commercial vehicles.

This heavy-duty tensioner assembly is designed for a wide range of medium- and heavy-duty trucks, buses, and vocational vehicles from 2010–2023. Built to match OE mounting and pulley dimensions, the Tykick unit provides a direct-replacement option for fleet service, roadside repairs, and scheduled maintenance. Check vehicle application lists and part references carefully to confirm fit before installation.

Which vehicles and engines is this tensioner compatible with?

The Tykick tensioner fits many L6 diesel platforms from popular manufacturers including Freightliner, Ford, Kenworth, Peterbilt, International, Blue Bird, IC Corporation, and Autocar. Compatibility spans model years typically from 2010 through 2023, covering 5.9L, 6.7L, and selected 8.9L engine fitments.

• Freightliner: 108SD, M2 106, MT45, MT55, S2C, XB/XBA/XC variants (various years 2010–2022)
• Ford: F-650, F-750 (selected years 2011–2015)
• Kenworth & Peterbilt: K270/K370/T170/T270/T370; Peterbilt 325/330/337/536 (specified years)
• Blue Bird, IC Corporation, International Harvester, Autocar: bus and vocational models listed for 2011–2022

How does this replacement match original equipment?

This tensioner is manufactured to meet OE dimensional and mounting specifications so it installs in the same location and orientation as the factory part. Materials and machining are selected to withstand the heat, vibration, and torque common in commercial duty cycles.

• OE-style mounting points and bolt pattern for direct swap
• Durable pulley bearing and corrosion-resistant surfaces
• Factory-equivalent spring tension characteristics for consistent belt tracking
• Cross-references to part numbers 38702, 5270678, 4929688, 0239233 for fit verification

What performance and durability features should I expect?

The assembly uses robust components intended for long service life under commercial operating conditions. Bearings and sealing are specified to limit contamination and extend replacement intervals compared with low-grade aftermarket alternatives.

• Precision-machined pulley for smooth belt contact and reduced wear
• Sealed bearing to resist road contaminants and moisture
• Heat-resistant spring and housing materials to maintain tension
• Manufactured for correct alignment to minimize belt squeal and edge wear

What after-sales support and warranty are provided?

Tykick includes a 6-month support window covering defects in materials and workmanship under normal use. The support process assists with replacement eligibility; however, customers should confirm vehicle compatibility prior to purchasing.

• Six-month coverage for manufacturing defects
• Customer support for fitment questions and replacement guidance
• Part numbers provided for cross-reference only—verify fit before installation

Who is this for: technicians, fleet managers, and owner-operators who need a dependable direct-replacement belt tensioner for medium- and heavy-duty diesel trucks and buses. If you service Freightliner, Kenworth, Peterbilt, Ford, International, Blue Bird, IC Corporation, or Autocar vehicles with 5.9L, 6.7L, or select 8.9L L6 engines, this Tykick tensioner offers a practical option to restore correct belt tension and alignment. Confirm vehicle model year and engine size against the compatibility list and cross-reference part numbers 38702, 5270678, 4929688, and 0239233 before ordering.