Dayco 5040238 | Serpentine Belt

Part Number
Serpentine Belt

Fits: 83-85 Mazda 626, 94-95 Dodge Colt, 94-96 Eagle Summit, 94-96 Mitsubishi Mirage, 94-95 Plymouth Colt

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Developed through extensive laboratory and actual road mileage testing, this unique rib profile has been specifically Dayco® engineered to conform to high mileage, worn or misaligned drives without a sacrifice in quiet, long-lasting performance. Constructed with Aramid reinforced EPDM compounds, the belt delivers more than OE required delivers the solution to troublesome drive problems. Dayco® Poly-Rib® Belts meet or exceed SAE J1459 and SAE J2432 specifications.

BRAND: Dayco




Cross SectionK-Section
Maximum Operating Temperature212
Maximum Operating Temperature100
Minimum Operating Temperature-42.7
Minimum Operating Temperature-45
Rib DepthStandard
Rib ProfileStraight Rib
StandardsSAE J1459, SAE J2432



  • NAPA: 25-70604
  • Beck/Arnley: 141-1230
  • Pirelli: 235K4
  • Driveworks: 238K4
  • Freshstart: 235K4
  • Atlas: 4K0238
  • Chrysler: MD303288
  • V&W: 238K4
  • Mazda: N146-98-7013099
  • Mazda: F801-15-907C
  • Mitsubishi: MD314778
  • Duralast: 238K4
  • Mazda: F801-15-907B
  • Mazda: F801-15-907A
  • Bando: 4PK605


  • 1994-1996 Eagle Summit - Position: Water Pump To Power Steering
  • 1994-1995 Plymouth Colt - Position: Water Pump To Power Steering
  • 1994-1995 Dodge Colt - Position: Water Pump To Power Steering
  • 1983-1985 Mazda 626 - Position: Air Conditioning To Alternator
  • 1994-1996 Mitsubishi Mirage - Position: Water Pump To Power Steering
Customer Questions
Can a serpentine belt cause smoke?
Yes, a serpentine belt can cause smoke. A serpentine belt is an essential component of a vehicle's engine system. It drives various accessories such as the alternator, power steering pump, water pump, and air conditioning compressor. If the serpentine belt becomes worn, damaged, or misaligned, it can cause friction and generate smoke.
Why is my serpentine belt squealing?
The serpentine belt can squeal due to various reasons, including tension issues, worn-out belt, or a problem with the belt's pulleys.
Is my serpentine belt too tight?
If your serpentine belt is causing issues like excessive noise or accelerated wear on the pulleys, it may indicate that the belt is too tight.
Why did my serpentine belt come off?
Serpentine belts can come off due to factors such as belt wear, improper tension, misaligned pulleys, or a faulty tensioner.
Please, mind that only logged in users can submit questions

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