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190-0642 138-2514 Belt Tensioner for Caterpillar Cat 3406E C7 C12 C13 C15 C18

190-0642 138-2514 Belt Tensioner for Caterpillar Cat 3406E C7 C12 C13 C15 C18

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$107.89
Sale price  $107.89 Regular price 

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This Belt Tensioner is a replacement tensioner assembly compatible with Caterpillar engines including 3406E, C7, C12, C13, C15, and C18 and matches OEM Part# 190-0642 and 138-2514.
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.

Randy W. — Verified customer

Product Overview

This belt tensioner maintains proper tension on the serpentine or accessory drive belt for Caterpillar heavy-duty engines. Designed for Cat models 3406E, C7, C12, C13, C15, and C18, this tensioner reduces belt slippage and extends belt life in trucks, generators, and industrial equipment.

Key Features & Performance

  • Direct replacement for OEM part numbers 190-0642 and 138-2514
  • Robust spring mechanism ensures consistent belt tension
  • Sealed bearing assembly for long service life
  • Constructed from heavy-duty steel and corrosion-resistant materials
  • Includes mounting bracket and hardware for straightforward installation
  • Tested to meet Caterpillar performance specifications

Fitment & Compatibility

  • Caterpillar 3406E engine
  • Caterpillar C7 engine
  • Caterpillar C12 engine
  • Caterpillar C13 engine
  • Caterpillar C15 engine
  • Caterpillar C18 engine

Common Uses

  • Replacing worn or seized belt tensioners on Cat diesel engines
  • Maintaining proper accessory drive belt operation in on-highway trucks
  • Servicing generator sets, construction equipment, and industrial machinery
  • Preventing belt noise and premature belt failure

Technical Specifications

  • Part Number(s): 190-0642, 138-2514
  • Type: Automatic belt tensioner
  • Material: Steel with sealed bearing

Frequently Asked Questions

Q: Will this belt tensioner fit my Caterpillar C15 engine? A: Yes, this tensioner is compatible with Caterpillar C15 engines among other models listed.

Q: What are signs that the belt tensioner needs replacement? A: Squealing belt, visible belt wear, or a stuck/loose tensioner arm indicate replacement is needed.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.

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