ContiTech 4040377S Multi-V Stretch Serpentine Belt - 4-Rib 37.7 Inch

The ContiTech 4040377S is a specialized multi-V stretch serpentine belt engineered for vehicles with fixed drive systems that do not utilize a mechanical tensioner. This 4-rib, 37.7-inch belt features advanced self-tensioning technology designed to maintain proper tension on drives without automatic tensioners or adjustment slots.

Advanced Stretch Belt Technology:

• Low modulus and high elongation design allows installation on fixed drive systems
• EPDM rubber compounds with polyamide tensile cord for superior durability
• Stretches during installation, then recovers to maintain proper tension automatically
• Self-tensioning capability eliminates need for mechanical tensioners

Key Features:

• 4 ribs, 37.7 inches in length, 0.55 inches top width
• OE Technology Series construction for perfect fit and function
• Oil-resistant and temperature-stable from -22°F to 176°F (-30°C to 80°C)
• Precision-engineered to OEM specifications
• Drives power steering pumps, alternators, water pumps, and AC compressors

Important Note: Stretch belts cannot be reused. If removed for any reason, the belt must be replaced with a new one. The "S" suffix in the part number indicates this is a stretch belt, which is not interchangeable with standard serpentine belts.

Continental ContiTech is a trusted OE supplier to major automotive manufacturers worldwide, bringing decades of engineering expertise and proven quality to the aftermarket. Cross-reference part numbers include 4K377S, 4PK950EE, E040363, E040365, and S040364.