HomeBelts and Cooling > Accessory Drive Belt System ComponentsGates K040365SF Serpentine Belt - Air Conditioning
Part #: K040365SF

Gates K040365SF Serpentine Belt - Air Conditioning

Premium OE Stretch Fit Micro-V Belt, Air Conditioning
7 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Premium OE Stretch Fit Micro-V Belt, Air Conditioning
Fitment: Cadillac, CTS
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Gates Premium OE Stretch Fit Micro-V Belt

The Gates Premium OE Stretch Fit Micro-V Belt (part number K040365SF) is engineered for reliable performance in Cadillac CTS vehicles. Designed with precision, this serpentine belt ensures optimal accessory drive system operation with a stretch fit design that simplifies installation.

  • Top width options: 0.56 inch and 14 mm
  • Cord material constructed from durable nylon
  • Cross section designation: K
  • Effective length: 36.58 inches (929 mm)
  • Outside circumference: 37.125 inches (943 mm)
  • 4 rib automotive V-ribbed belt design
  • Belt material made from EPDM for enhanced durability
  • Installation requires a 3 mm zip tie
  • Includes installation instructions (Sheet J)
  • OE exact and OE performance rated

Product Line Details: Premium OE Stretch Fit Micro-V Belt

The Premium OE Stretch Fit Micro-V Belt line by Gates focuses on delivering original equipment (OE) exact fit and performance. This product line features stretch fit technology, which allows for easier installation without the need for belt tensioners or special tools. The use of EPDM belt material and nylon cords ensures long-lasting wear and resistance to heat and environmental factors, making it suitable for the demanding accessory drive systems in vehicles like the Cadillac CTS.

Detailed Product Description

The Gates K040365SF serpentine belt is specifically designed for the Cadillac CTS, providing a precise fit with its K-section cross design and 4-rib configuration. The belt’s EPDM construction offers resistance to cracking, heat, and wear, while the nylon cord material enhances tensile strength and flexibility. With an effective length of 36.58 inches (929 mm) and an outside circumference of approximately 37.125 inches (943 mm), this belt maintains proper tension and alignment for smooth operation of engine accessories.

Common Applications and Problem Solving

  • Replacement for worn or cracked serpentine belts in Cadillac CTS models
  • Eliminates belt slippage and squealing noises
  • Restores proper accessory drive function including alternator, power steering, and air conditioning
  • Prevents premature belt failure due to heat or environmental exposure
  • Supports consistent engine performance by maintaining correct belt tension

Installation Notes and Tips

  • Requires a 3 mm zip tie for proper stretch fit installation
  • Follow included Sheet J installation instructions carefully
  • Ensure the belt is properly seated on all pulleys before securing
  • Check belt alignment and tension after installation to avoid premature wear

Quality Assurance and Warranty

Gates Premium OE Stretch Fit Micro-V Belts meet or exceed original equipment specifications for fit and performance. The K040365SF part number is OE exact and OE performance rated, ensuring compatibility and reliability for Cadillac CTS vehicles. While specific warranty details are not provided, Gates products are manufactured under strict quality control standards to deliver consistent durability and service life.

BrandGates
Part NumberK040365SF
PositionPremium OE Stretch Fit Micro-V Belt, Air Conditioning
Belt MaterialEPDM
Cord MaterialNylon
Cord MaterialNylon
Cross Section DesignationK
Effective Length36.58
Effective Length929
Installation InstructionsSheet J
Installation Tools Requirements3 mm Zip Tie
Instruction Manual IncludedSheet J
OE Comparison RatingOE Exact
OE Comparison RatingOE Performance
Outside Circumference37.125
Outside Circumference943
Rib Quantity4
SectionK
Top Width.56
Top Width14
TypeAutomotive V-Ribbed Belt (Stretch Fit)
TypeAutomotive V-Ribbed Belt (Stretch Fit)
Washer Pump IncludedEPDM

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2015CadillacCTS6.2LV8GASAir ConditioningInstallation tool required for proper fitment.; Premium OE Stretch Fit Micro-V Belt
2014CadillacCTS6.2LV8GASAir ConditioningInstallation tool required for proper fitment.; Premium OE Stretch Fit Micro-V Belt
2013CadillacCTS6.2LV8GASAir ConditioningInstallation tool required for proper fitment.; Premium OE Stretch Fit Micro-V Belt
2012CadillacCTS6.2LV8GASAir ConditioningInstallation tool required for proper fitment.; Premium OE Stretch Fit Micro-V Belt
2011CadillacCTS6.2LV8GASAir ConditioningInstallation tool required for proper fitment.; Premium OE Stretch Fit Micro-V Belt
2010CadillacCTS6.2LV8GASAir ConditioningInstallation tool required for proper fitment.; Premium OE Stretch Fit Micro-V Belt
2009CadillacCTS6.2LV8GASAir ConditioningInstallation tool required for proper fitment.; Premium OE Stretch Fit Micro-V Belt

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

126125161918034025-040365SF4040382S4K365SFE040369LK4E 6C301 AA

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.