SKP Accessory Drive Belt Tensioner Assembly SK89631
SKP Accessory Drive Belt Tensioner Assembly SK89631 - view 2
SKP Accessory Drive Belt Tensioner Assembly SK89631
SKP Accessory Drive Belt Tensioner Assembly SK89631 - view 2

Belt Tensioner for 2011-2020 Ford F-150 & More - SKP SK89631

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$56.99
MPN: SK89631
Item Package Code: EA
Part Has Core (Y/N): N
Item Package Quantity: 1
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SKP Accessory Drive Belt Tensioner Assembly P/N:SK89631
SKP Accessory Drive Belt Tensioner Assembly P/N:SK89631
$56.99

Keep the accessory belt properly tensioned and the engine's key components spinning quietly with the SKP Accessory Drive Belt Tensioner Assembly SK89631. This tensioner assembly is a direct-fit replacement for many vehicles, among them the 2011-2020 Ford F-150 5.0L, 2015-2017 Ford Mustang 5.0L and 2011-2019 Ford Lobo 5.0L; see the Buyer's Guide tab for the full list. It maintains the belt tension that drives the alternator and water pump, helping the charging system and cooling circulation run as designed.

  • Consistent belt tension: Maintains proper tension for efficient operation of driven accessories like the alternator and A/C compressor.
  • Quieter operation: High-quality materials and construction are designed to minimize noise for quieter engine operation.
  • OE-level fit: Designed so it meets or exceeds OE specifications for a straightforward installation.
  • Built to last: Rigorously tested with quality materials for dependable performance.

Signs the original tensioner may need replacing include belt squeal or chirp, visible belt flutter, or a worn or seized pulley. If a failed tensioner is the cause, this assembly replaces it.

Country of origin: China.

Interchange: 89631 · BR3E6B209HA · BR3E6B209HC · BR3Z6B209B · BR3Z6B209H · 39298

This part cross-references / interchanges with the following part numbers:

89631, BR3E6B209HA, BR3E6B209HC, BR3Z6B209B, BR3Z6B209H, 39298

Frequently Asked Questions

What does this belt tensioner do?

It maintains proper tension on the accessory drive belt that drives components like the alternator and water pump, helping them run efficiently.

Will this fit my vehicle?

It fits many vehicles, among them the 2011-2020 Ford F-150 5.0L, 2015-2017 Ford Mustang 5.0L and 2011-2019 Ford Lobo 5.0L. See the Buyer's Guide tab for the full list.

Is this also called a serpentine belt tensioner?

Yes — that is another common name for this accessory drive belt tensioner assembly.

What are signs my tensioner needs replacing?

Belt squeal or chirp, visible belt flutter, or a worn or noisy pulley can indicate a failing tensioner. Diagnose the cause before replacing.

What numbers does this tensioner cross-reference?

It interchanges with 89631, BR3E6B209HA, BR3E6B209HC, BR3Z6B209B, BR3Z6B209H, and 39298.

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