Duralast Serpentine Belt 398K4
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Duralast Serpentine Belt 398K4

Duralast Serpentine
Part # 398K4
SKU # 165185
Notes: Poly-V A/C & tens. Air conditioner.



Part #398K4
SKU #165185
NotesPoly-V A/C & tens, Air conditioner.
Belt MaterialEPDM
Temperature Range Maximum (°F)265
Top Width (mm)0.54
Outside Circumference (in)40.32
Effective Length (in)39.76
Belt Rib Quantity4
Temperature Range Minimum (°F)-45


This Duralast? multi-v belt is designed to provide better belt-to-pulley contact. The specialized rubber compound incorporates a high temperature polymer formulated to maximize load carrying requirements and belt life. This Duralast? belt has been constructed and engineered to meet the stringent demands of today s automotive drive systems. The Duralast? multi-v belt delivers long-lasting dependable belt life.

  • checkmarkMade with treated polyester cord to reduce belt stretch
  • checkmarkMeets OEM requirements
  • checkmarkConstructed with heat and ozone resistant EPDM rubber
  • checkmarkFiber is added to the rib stock to reinforce the rubber and reduce noise from worn and misaligned pulleys