New Arrivals/Restock

RPS 807757T Serpentine Belt Idler Pulley | Fits MerCruiser GM V6 & V8 4.3L 5.0L 5.7L 350 Mag 6.2L | 3-1/4" OD, 6-Groove Marine Composite Pulley | Replaces Mercury OEM 807757T, Sierra 18-6457

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$14.99 cheaper than the new price!!

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Product details

Management number 216298754 Release Date 2026/04/19 List Price $10.00 Model Number 216298754
Category
  • DIRECT FIT REPLACEMENT: Seamlessly replaces Mercury/MerCruiser OEM part number 807757T and aftermarket Sierra 18-6457 for a hassle-free, drop-in installation on your marine engine.
  • BROAD COMPATIBILITY: Engineered to fit a wide range of late-model (1996 and newer) GM-based MerCruiser V6 and V8 sterndrive and inboard engines, including 4.3L, 5.0L, 5.7L (350 MAG), 6.2L, and 8.2L models.
  • EXACT SPECIFICATIONS: Features a true 3-1/4 inch (3.25") outside diameter and a precision-engineered 6-groove design to flawlessly accommodate standard 13/16-inch wide serpentine belts and maintain proper alignment.
  • MARINE-GRADE DURABILITY: Manufactured from a high-strength thermal resin composite with a fully molded-in internal bearing, designed to withstand intense engine bay heat and resist corrosion in harsh aquatic environments.
  • RESTORE PERFORMANCE: Eliminate belt squeal, wobble, and slipping caused by a failing pulley. This heavy-duty replacement ensures proper belt tension and smooth operation for your boat's accessory drive system.
Brand RPS
Item Weight 3.52 ounces
Manufacturer RPS
Item model number 807757T
Product Dimensions 4 x 4 x 2 inches
Manufacturer Part Number 807757T
Is Discontinued By Manufacturer No

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