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Serpentine Belt Tensioner For Volvo Penta 4.3 5.0 5.7 7.4 8.2L GXi Gi 3860079
$107.79
Sale price
$107.79
Regular price
Available to Order
This Serpentine Belt Tensioner is a drive belt tensioning component compatible with Volvo Penta 4.3, 5.0, 5.7, 7.4, and 8.2L GXi and Gi engines and matches OEM Part# 3860079.
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
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Product Overview
This Serpentine Belt Tensioner maintains proper tension on the drive belt for Volvo Penta 4.3, 5.0, 5.7, 7.4, and 8.2L GXi/Gi marine engines. It ensures reliable accessory drive operation, reduces belt slippage, and prevents premature belt wear. Essential for boat owners and marine technicians replacing a worn or failed belt tensioner.
Key Features & Performance
- Direct replacement for Volvo Penta GXi and Gi series engines
- Heavy-duty construction with sealed bearing for long service life
- Pre-set spring tension eliminates adjustment
- Corrosion-resistant finish for marine saltwater environments
- Includes mounting bolt and instructions for straightforward installation
Fitment & Compatibility
- Volvo Penta 4.3L V6 engines (GXi/Gi)
- Volvo Penta 5.0L V8 engines (GXi/Gi)
- Volvo Penta 5.7L V8 engines (GXi/Gi)
- Volvo Penta 7.4L V8 engines (GXi/Gi)
- Volvo Penta 8.2L V8 engines (GXi/Gi)
Common Uses
- Replacement tensioner for serpentine belt systems on Volvo Penta marine engines
- Eliminates belt squeal and misalignment issues
- Essential for maintaining alternator, water pump, and power steering operation
- Routine maintenance during belt replacement intervals
Technical Specifications
- Part Number(s): 3860079
- Type: Serpentine Belt Tensioner
- Material: Steel and aluminum with corrosion coating
- Belt Width: OEM specified (typically 6-rib or 8-rib)
Frequently Asked Questions
Q: How do I confirm this tensioner fits my Volvo Penta engine? A: Check your engine model (4.3, 5.0, 5.7, 7.4, 8.2L) and ensure it is a GXi or Gi series; part number 3860079 should match your original.
Q: Is the tensioner pre-adjusted or do I need to set the tension? A: The tensioner is spring-loaded and self-adjusting, so no manual tension setting is required after installation.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.