Hardin Marine
Billet V-Groove Engine Pulleys
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These are CNC machined from 6061T aircraft aluminum and highly polished. Custom colors are available by special order.
Part
No. |
Description |
Included |
421-201K |
Mercury Pulley Kit for Gen 4 Engines |
- (1) 3-groove crankshaft front pulley
- (1 ) sea pump pulley
- (1) power steering pulley with mandrel
- alternator pulley.
Note: Please indicate what brand alternator you have for correct pulley. |
421-202K |
Mercury Pulley Kit for Gen 5 Engines |
- (1) 3-groove crankshaft front pulley
- (1) sea pump pulley with mandrel for Gen 5 sea pump
- (1) power steering pulley with mandrel and an alternator pulley.
Note: Please indicate what brand alternator you have for correct pulley. |
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Billet Serpentine Pulley Kit
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This kit comes with:
- (1) crankshaft pulley
- (1) circulating pump pulley
- (1) sea pump pulley
- (1) power steering pulley
- (1) alternator pulley
- (1) idler pulley
All pulleys are CNC machined and highly polished
Part
No. |
Description |
421-301K |
Mercury Billet Pulley Kit |
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Billet Serpentine Idler Pulleys
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This is the same billet idler
pulley found in the high performance serpentine system manufactured by
Hardin Marine. Each precision machined billet pulley is 3/4" in
diameter and features oversized double row high RPM bearings.
Available in a smooth belt surface or 6-rib version.
Part
No. |
Description |
625-8178 |
2-5/8" Smooth Idler Pulley |
625-8179 |
2-5/8" Ribbed Idler Pulley |
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Billet Mercury Style 3-Groove Circulating Pump Pulley
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This billet 3-groove pulley
is designed as a replacement for popular Mercruiser applications while
retaining the factory circulating pump.
Part
No. |
Description |
421-203 |
Billet 3-Groove Circulating Pump Pulley for Big Block Chevy |
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Alternator Pulley For Mando
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Hardin Marine makes the correct billet alternator pulley
for your Mando alternator. Just slide yours off and replace it
with the Hardin billet polished pulley.
Part
No. |
Description |
421-208M |
Mando Alternator Pulley (D Shaped Shaft) |
421-208 |
Alternator Pulley (Standard Key Way Style Shaft) |
755-3000 |
Delco Style Alternator Pulley (Round Shaft) |
625-3130 |
Serpentine 6-Rib Alternator Pulley (Round Shaft) |
625-3139 |
Aluminum Delco Style (Fan Only) |
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Sea Pump Pulleys For Gen 4 & 5
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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.
Part
No. |
Description |
625-4024 |
Gen 4 Pulley (mandrel not needed) |
625-4025 |
Dual Groove Pulley for Std. Power Steering |
625-4026 |
Dual Groove Crossover Mount for Single & Dual Stage Pumps |
625-4027 |
Single Groove w/Offset for Crossover Style |
625-4028 |
Dual Groove w/Offset for Crossover Style |
625-4055 |
Gen 4 Serpentine Pulley 6-Rib (Needs Mandrel to Mount) |
421-205 |
Gen 5 Pulley (needs mandrel to mount) |
421-205M |
Mandel Only |
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Billet Power Steering Pulley
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These power steering pulleys mount with a mandrel so you
can bolt the bolt to the mandrel. Some manufacturers have you
press their pulleys on, these usually work themselves off due to
belt heat & pump heat. Always use a mandrel for mounting.
Part
No. |
Description |
421-207 |
Power Steering Pulley V-Groove |
421-207M |
Mandrel Only |
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1,2 And 3-Groove Billet Crankshaft Pulleys
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These are billet crankshaft
pulleys that are CNC precision machined from 6061 T-6 billet aluminum.
Part
No. |
Description |
421-202 |
Billet 3-groove Crankshaft Pulley for Big Block Chevy, Polished |
421-841 |
Billet 1-groove Crankshaft Pulley for Big Block Chevy, Polished |
421-843 |
Billet 2-groove Crankshaft Pulley for Big Block Chevy, Polished |
421-856 |
Billet 2-groove Crankshaft Pulley for Oldsmobile, Polished |
625-8100 |
Billet 2-groove Crankshaft Pulley for Big Block Chevy
with 6-bolt Supercharger Pulley Mount (Hard Coat Anodized Black) |
625-8125 |
Billet 3-groove Crankshaft Pulley. Set up for a Mercury replacement with smaller center groove, Polished |
625-8176 |
6-Rib Serpentine Crankshaft Pulley for Big Block Chevy (Mercury HP500 Engine Spacing), Polished |
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