Engine Parts - Pulleys

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Mando Alternator Pulley
Your Price:
$159.99

496 / 8.2L Alternator Pulley

421-235

This billet aluminum alternator pulley is black anodized and replaces the original and now discontinued painted steel OEM versions from Mercury.


2- Groove Billet Crankshaft Pulley For Big Block Chevy
Your Price:
$189.99

496/ 8.1L Billet Crankshaft Pulley

421-231

This billet aluminum crankshaft pulley is black anodized and replaces the original and now discontinued painted steel OEM versions from Mercury.


Billet 496 / 8.2L Mercury Serpentine Pulley Kit - Late Style
Your Price:
$629.99

Billet 496 / 8.2L Mercury Serpentine Pulley Kit - Late Style

421-226

These billet aluminum pulleys are black anodized and replace the original and now discontinued painted steel OEM versions from Mercury.

Fits:

  • 496 Mag base & HO: 0W310000 & up
  • 496 Mag EC Base & HO: 1A066164 thru 1A350440.
  • 496 HO bravo: 1G400000 & up.
  • 8.2 Mag base & HO: 1S351597 & up.
  • 8.2 Mag EC base & HO: 1A350340 & up.

Kit includes:

  • Crank pulley
  • Circulation pump pulley
  • Alternator pulley
  • 17mm shaft power steering pulley & hub

Kit does not include:

  • 625-4278 sea pump pulley
  • 625-8178BK smooth idler pulley

Billet 454 / 502 Serpentine Circ Pump Pulley
Your Price:
$189.99

Billet 496 / 8.2L Serpentine Circ Pump Pulley

421-230

This billet aluminum circulating pump pulley is black anodized and replaces the original and now discontinued painted steel OEM versions from Mercury.


Billet 496 Mercury Serpentine Pulley Kit - Early Style
Your Price:
$629.99

Billet 496 Mercury Serpentine Pulley Kit - Early Style

421-225

These billet aluminum pulleys are black anodized and replace the original and now discontinued painted steel OEM versions from Mercury.

Fits 496 Mag Base & HO:

  • 0M025000 thru 0M687082
  • 0M687082 thru 0W059999
  • 0W060000 thru 0W309999

Kit includes:

  • Crank pulley
  • Circulation pump pulley
  • Alternator pulley
  • 19mm shaft power steering pulley & hub

Kit does not include:

  • 625-4278 sea pump pulley
  • 625-8178BK smooth idler pulley
  • 625-8179BK ribbed idler pulley
  • If using these idlers you will need to purchase a smaller belt.

Billet Power Steering Serpentine Pulley Kit for 496 / 8.2L Applications - Early Model
Your Price:
$189.99

Billet Power Steering Serpentine Pulley Kit for 496 / 8.2L Applications - Early Model

421-238

This billet aluminum crank pulley is black anodized and replaces the original and now discontinued painted steel OEM versions from Mercury. 17mm shaft. Fits

  • 496 Mag base & HO: 0W310000 & up
  • 496 Mag EC Base & HO: 1A0666164 thru 1A350440.
  • 496 HO bravo: 1G400000 & up.
  • 8.2 Mag base & HO: 1S351597 & up.
  • 8.2 Mag EC base & HO: 1A350340 & up.

Billet Power Steering Serpentine Pulley Kit for 496 Applications - Early Model
Your Price:
$189.99

Billet Power Steering Serpentine Pulley Kit for 496 Applications - Early Model

421-237

This billet aluminum crank pulley is black anodized and replaces the original and now discontinued painted steel OEM versions from Mercury. 19mm shaft. Fits 496 Mag Base and HO:

  • 0M025000 thru 0687082
  • 0M687082 thru 0W059999
  • 0W060000 thru 0W309999

Billet V-Groove Engine Pulley Kit For Mercury Big Block Chevy Generation 4
Your Price:
$469.99

This Part has options, please click the button below to order.

Billet V-Groove Engine Pulley Kit For Mercury Big Block Chevy Generation 4

421-201K

Billet V-Groove Engine Pulley Kit For Mercury Big Block Chevy Generation 4

This kit includes:

  • (1) 3-groove crankshaft front pulley
  • (1) Sea pump pulley
  • (1) Power steering pulley with mandrel
  • (1) Alternator Pulley. D Shaped Shaft

At Hardin Marine we manufacture the finest high speed deep groove engine pulleys available. Each pulley is manufactured from 6061-T6 billet aluminum using Tru-Trac technology. Tru-Trac allows the V-belt to ride deep in the belt groove for maximum belt contact. Both the power steering and sea pump pulley use mandrel mounting features that protect the pulley from undue shaft heat. The most common cause for failure in lesser quality pulleys is caused from heat transferring to the pulley releasing from the shaft causing undue damage and safety hazards. All Hardin Marine shaft mount style pulleys use mandrels assuring you the best money can buy.


Billet V-Groove Engine Pulley Kit For Mercury Big Block Chevy Generation 5 & 6
Your Price:
$487.99

This Part has options, please click the button below to order.

Billet V-Groove Engine Pulley Kit For Mercury Big Block Chevy Generation 5 & 6

421-202K

Billet V-Groove Engine Pulley Kit For Mercury Big Block Chevy Generation 5 & 6

This kit includes:

  • (1) 3-groove crankshaft front pulley
  • (1) Sea pump pulley
  • (1) Power steering pulley with mandrel
  • (1) Alternator Pulley. D Shaped Shaft

At Hardin Marine we manufacture the finest high speed deep groove engine pulleys available. Each pulley is manufactured from 6061-T6 billet aluminum using Tru-Trac technology. Tru-Trac allows the V-belt to ride deep in the belt groove for maximum belt contact. Both the power steering and sea pump pulley use mandrel mounting features that protect the pulley from undue shaft heat. The most common cause for failure in lesser quality pulleys is caused from heat transferring to the pulley releasing from the shaft causing undue damage and safety hazards. All Hardin Marine shaft mount style pulleys use mandrels assuring you the best money can buy.


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. 2-5/8" OD. Fits a .670" Round Shaft.


Gen 7 496 Sea Pump Pulley
Your Price:
$179.99

Gen 7 350, 496, 502 Mag Sea Pump 7" Axius Pulley and Mandrel Kit - Black

625-4312

Replacement 496 Sea Pump Axius 7" Pulley and Mandrel Kit

This billet pulley is designed as a replacement for popular MerCruiser Axius applications. Will fit stock MerCruiser or Hardin Gen 7 Pump. For 350, 496, 502 Mag with 7" diameter Axius pulley applications only. Includes mandrel and bolts.

Hub, Xover P/S Pump-Pulley
Your Price:
$48.99

Hub, Xover P/S Pump-Pulley

625-8107

Hub, Xover P/S Pump-Pulley

Power steering pump mandrel. Fits late model power steering pumps with plastic reservoir, and krc style pumps, both with a 0.669" diameter shaft.


Merc EFI Ribbed Idler Pulley 4.42" Diameter
Your Price:
$119.99

Merc EFI Ribbed Idler Pulley 4.42" Diameter

625-8223

Billet Serpentine Idler Pulleys - Merc EFI Ribbed Idler Pulley 4.42" Diameter


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

MULTIPLE PART NUMBER OPTIONS. CLICK PART OPTIONS FOR MORE INFO ->

Mercury 600/662/700 Upper Blower Pulley

Billet aluminum blower pulley, 3.25" or 3.50" diameter. NOTE: The 3.50" pulley has slots cut in the pulley face while the 3.25" pulley does NOT have the slots cut in the pulley face.

Replacement Mercury 525 / 600 / 700 Sea Pump Pulley
Starting From:
$299.99

This Part has options, please click the button below to order.

Replacement Mercury 525 / 600 / 700 Sea Pump Pulley

MULTIPLE PART NUMBER OPTIONS. CLICK PART OPTIONS FOR MORE INFO ->

Replacement Mercury 525 / 600 / 700 Sea Pump Pulley

All Hardin Marine sea pump pulleys 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. Replaces OEM Mercury #899743T


Replacement Mercury 525 / 600 / 700 Sea Pump Pulley - Grip Coated
Starting From:
$429.99

This Part has options, please click the button below to order.

Replacement Mercury 525 / 600 / 700 Sea Pump Pulley - Grip Coated

MULTIPLE PART NUMBER OPTIONS. CLICK PART OPTIONS FOR MORE INFO ->

Replacement Mercury 525 / 600 / 700 Sea Pump Pulley - Grip Coated

All Hardin Marine sea pump pulleys 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 version has a special grip coating on the belt surface to improved contact with the belt. This coating is metallurgically bonded textured metal coating that increases friction, reduces wear, and improves performance. Replaces OEM Mercury #899743T


Ribbed Idler Pulley
Your Price:
$109.99

Ribbed Idler Pulley

625-4365

Ribbed Idler Pulley


S/C BBC 3 Groove Crank Pulley
Your Price:
$229.99

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

Smooth Idler Pulley
Your Price:
$86.99

Smooth Idler Pulley

625-4364

Smooth Idler Pulley

OD of belt surface is 2.420". Fits 0.675" shaft.

Whipple Black 4 Inch idler Pulley
Your Price:
$237.50

Whipple Black 4 Inch idler Pulley

510-8M4ID

Whipple Black 4 Inch idler Pulley