Goodyear Belts® 1040378 - A/C Serpentine Multi V-Belt

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Product Details

A/C Serpentine Multi V-Belt (1040378) by Goodyear Belts®. Length: 37.8". Goodyear Belts has developed multi V-belts that meet or exceed OE requirements, ensuring long belt life and quiet operation. Restore your belt drive system’s efficiency by installing a new Goodyear Belt. Constructed from a highly engineered EPDM rubber compound, this belt ensures excellent performance and long life. It is developed to meet or exceed OEM requirements and restore the efficiency of your belt drive system. Its synthetic tension members with balanced twist cord provide neutral tracking during operation.


Belt Material: EPDM
Belt Top Width: 0.54"
Belt Top Width: 13.7 mm
Cord Material: Polyester
Effective Length: 37.8"
Effective Length: 960 mm
Multi-v Profile: PK
Number Of Ribs: 4
Outside Circumference: 38.3"
Outside Circumference: 972 mm
Tooth Angle: 40° deg
Top Thickness: 0.17"
Top Thickness: 4.2 mm
Type: Standard


  • Meets or Exceeds OEM Specifications
  • Long-life EPDM Rubber Compound
  • Proprietary rubber formulation for quiet operation
  • Synthetic tension members with balanced twist cord ensures neutral tracking when running
  • Limited Lifetime Warranty
  • AutoCare recommends inspecting belts at 60,000 miles and replacing at 90,000 miles

Established in 1898, Goodyear Belts® is a leading producer of rubber products for a variety of industries, such as automotive, industrial, lawn, garden, and others. With a talented and professional team of engineers and scientists, the company introduced a re-engineered line of power transmission belts that meet or exceed the rigorous demands of today's toughest applications. These high-quality and purpose-built belts utilize refined engineering, synthetic materials, and advanced manufacturing for long service life and unparalleled performance. Goodyear belts include all the features you demand – and more from the company that has been a trusted partner for OEMs and consumers. They are developed to restore your belt drive system’s efficiency providing quiet and problem-free operation.

Part Number:
OE Numbers:
12569346, 12554028, 30007975, 30016435, 4PK0960, 12576447, B3C7-15-909C, 378K4, 56992-PY3-0040, 4040377, 4040378, B3C7-15-909A, K040378, 77.00.861.467, 4K378, 8-94382-106-0, 25040378, D1102-6963, 5040378, 84128639

Vehicle Fitment

W-Series 2003-2008
W-Series 2003-2007
N-Series 2004-2007
P-Series 2004-2005
W-Series 2007-2009
W42 2007-2009


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Goodyear Belts® 1040378 - A/C Serpentine Multi V-Belt

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