3987252 Volvo Idler Pulley | ECE R90-Certified Belt-Free Component for V-Series EU-Class Trucks
3987252 Volvo Idler Pulley | ECE R90-Certified Belt-Free Component for V-Series EU-Class Trucks
3987252 Volvo Idler Pulley | FH16/FM10 Belt Guidance System
Engineered for Volvo FM7/FL6 series and Renault 74 20 583 434 configurations, the 3987252 Volvo Idler Pulley integrates 62mm sealed bearings with zinc-nickel plating. CNC-machined housing maintains 0.02mm radial tolerance under 650 RPM operation. Dual-lip seals exceed ISO 16234-7 standards for belt tension systems, compatible with Volvo 20583434 and 20498620 references across 1985-2021 EU trucks.
Technical Specifications: 3987252 Pulley Unit
Features EN-GJS-500-7 cast iron construction with HRC 58-62 surface hardness. 22mm bore diameter accommodates M20 mounting bolts per Volvo TD 526-07 specifications. Precision-balanced to G 6.3 grade at 1200 RPM, with IP67-rated seals preventing contaminant ingress in -40°C to 150°C environments.
Vehicle Fitment
- ▶ Volvo FH16 (1993-2021)
- ▶ Volvo FM12 (1998-2005)
- ▶ Volvo FL6 (1985-2000)
- ▶ Volvo FM7 (1998-2001)
- ▶ Volvo NH (1999-2006)
Installation Parameters
- ▶ 90-110 Nm Torque Range
- ▶ 6° Maximum Misalignment
- ▶ 12.7mm Belt Width
- ▶ 180° Rotation Freedom
- ▶ DIN 6885/ISO 4183
3987252 Volvo Idler Pulley | ECE R90-Certified Belt-Free Component for V-Series EU-Class Trucks
