Difference Between PN# 4988748 and 4988747

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Difference Between PN# 4988748 and 4988747

Postby MrHorsepower » Thu Mar 26, 2009 7:16 pm

Anyone know the difference between lift pumps with part numbers 4988747 & 4988748. Will they both fit a 5.9?

Thanks
In Progress: '84 Chevy Silverado dually w/19.5 rims.
1st gen, New Eras, s300, 366, DennyT, piston LP, Pacbrake, 60lbs. springs, ARP studs, Snow Perf. stage II, '97 DR IC, 4" stacks.
NV4500, 14 Bolt Locker & Dana 60 Posi w/3.73's
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MrHorsepower
fuel screw!!!!
 
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Postby PToombs » Fri Mar 27, 2009 5:49 pm

New to me. Might be the high pressure LP's. The number is close, but not the same as the newest low pressure LP.
pete

Just enough power to break everything behind the crankshaft.
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PToombs
14mm rotor
 
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Postby MrHorsepower » Fri Mar 27, 2009 6:53 pm

Pete,
Can you get the spacer 3914284 for the 2nd gen lift pumps?
In Progress: '84 Chevy Silverado dually w/19.5 rims.
1st gen, New Eras, s300, 366, DennyT, piston LP, Pacbrake, 60lbs. springs, ARP studs, Snow Perf. stage II, '97 DR IC, 4" stacks.
NV4500, 14 Bolt Locker & Dana 60 Posi w/3.73's
User avatar
MrHorsepower
fuel screw!!!!
 
Posts: 69
Joined: Wed Jan 07, 2009 5:04 pm
Location: Avoca, NY
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Postby PToombs » Sat Mar 28, 2009 5:06 am

Yup! About $10. I might be ordering some stuff next week. Let me know.
pete

Just enough power to break everything behind the crankshaft.
User avatar
PToombs
14mm rotor
 
Posts: 11367
Joined: Sun Jan 07, 2007 6:13 pm
Location: Syracuse NY. Snow central!
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