Volvo Penta serpentine drive belt 3586326 for 4.3 / 5.0–5.7 engines — OEM replacement, single unit

The Volvo Penta serpentine belt PN 3586326 is a brand-new OEM-style drive belt designed to replace the accessory belt on compatible 4.3 and 5.0–5.7 marine engines.

This replacement belt is manufactured to Volvo Penta specifications and offered as a single new unit (SKU 3586326). It’s intended to restore proper accessory drive function on specified models and is recommended when the existing belt shows wear, glazing, cracking, or stretch. Always confirm your engine model and belt routing before purchasing to ensure correct fitment.

Which engines and models will this belt fit?

This belt fits a range of Volvo Penta carbureted and fuel-injected V6 marine engines. It is listed for multiple 4.3 and 5.0/5.7 variants commonly found in recreational boats; check your engine designation against the fitment list to be certain.

• Compatible model codes include 4.3GXi-E, 4.3GXi-EF, 4.3OSi-E, 4.3OSi-EF
• Also fits 5.0GXi-E, 5.0GXi-EF, 5.0OSi-E, 5.0OSi-EF
• Fits 5.7 variants: 5.7Gi-E, 5.7Gi-EF, 5.7GXi-F, 5.7GXi-FF
• Also covers 5.7 OSi and OSXi configurations (D, DF)

How do I know when to replace my Volvo Penta belt?

Replace the belt if you see visible damage or if accessory operation becomes noisy or inconsistent. Typical signs include cracks across the ribs, shiny glazing on the contact surface, frayed edges, or slipping under load.

• Inspect for cracks, chunks missing, or heavy glazing on the ribs
• Listen for squeal during startup or heavy electrical/heater use
• Check tension — excessive stretch or frequent retensioning indicates replacement

What are the product specifics and ordering details?

This listing is for one new Volvo Penta serpentine belt sold individually under SKU 3586326. The belt is supplied as a direct replacement part; fitment verification is the buyer’s responsibility prior to installation.

• Manufacturer part number: 3586326
• Sold individually — one belt per order
• Verify engine model and routing diagram before purchase

Can I install this belt myself, and are there any tips for installation?

Many mechanically inclined owners can replace the belt using basic tools, but follow the factory belt routing and torque specifications. If tensioning uses an automatic tensioner, release and seat the belt carefully to avoid damage; when in doubt, have a qualified marine mechanic complete the job.

• Compare new belt length and rib profile to the removed belt before fitting
• Follow the engine’s belt routing diagram to avoid misrouting accessories
• Use proper tensioning method or torque values recommended by Volvo Penta

Who is this for: This Volvo Penta PN 3586326 serpentine belt is aimed at boat owners, marine technicians, and parts resellers who need a direct-fit replacement for compatible 4.3 and 5.0–5.7 Volvo Penta gasoline engines. It’s appropriate for routine maintenance, preventative replacement during seasonal servicing, or emergency roadside repairs. Double-check your engine code and the belt routing to ensure correct application before installation.