Manifolds & Accessories - OSCO

Big Block Chevy Generation 4 Sea Pump Pulley
Your Price:
$154.99

Big Block Chevy Generation 4 Sea Pump Pulley

625-4024

Big Block Chevy Generation 4 Sea Pump Pulley

All Hardin Marine sea pump pulleys for Gen 4 & 5 V-groove belts use a mandrel on the pump, then the pulley bolts to the mandrel. Some manufacturers sell you a press-on pulley, these usually work themselves off.  This needs a mandrel to mount.

Pulley diameter of 6.5".


Double Groove Alternator Pulley
Your Price:
$59.95

Double Groove V-Belt Alternator Pulley

421-219

Double Groove V-Belt Alternator Pulley for use on alternators with round pulley shaft.


Gen 4 Serpentine Pulley 6-Rib
Your Price:
$169.99

Gen 4 Serpentine Pulley 6-Rib

625-4055

Gen 4 Serpentine Pulley 6-Rib (Needs Mandrel to Mount)

All Hardin Marine Sea pump pulleys for Gen 4 & 5 v-groove bolt use a mandrel on the pump, then the pulley bolts to the mandrel. Some manufacturers sell you a press-on pulley, these usually work themselves off.

Note:  Mandrel Sold Separately.


Gen 7 496 Sea Pump Pulley
Your Price:
$129.99

Gen 7 496 Sea Pump Pulley - Black

625-4278

Replacement 496 Sea Pump Pulley and Mandrel

This billet pulley is designed as a replacement for popular MerCruiser applications. Will fit stock MerCruiser or Hardin Gen 7 Pump. For 496 applications only. Includes mandrel and bolts.

 


Mandrel For Sea Pump Pulley
Your Price:
$36.99

Mandrel For Sea Pump Pulley

421-205M

Mandrel For Sea Pump Pulley


Mercury 600/662/700 Upper Blower Pulley 3.50
Starting From:
$299.99
This Part has options, please click the button below to order.

Mercury 600 / 662 / 700 Upper Blower Pulley

625-822 + Option(s)

Mercury 600/662/700 Upper Blower Pulley

Billet aluminum blower pulley, 3.25" or 3.50" diameter.

S/C BBC 3 Groove Crank Pulley
Your Price:
$179.99

S/C BBC 3 Groove Crank Pulley

421-218

S/C BBC 3 Groove Crank Pulley

  • BBC 3grv crank pulley for Supercharger application.
  • Will fit either 3 or 6 bolt damper.
  • 5.40 outside diameter by 2.350 thick