Bosch Alternator P/N:AL559N
Bosch AL8731N alternator for the 1999-2002 Chevrolet Silverado 1500 V8 4.8L or 5.3L, the 1999-2003 Silverado 1500 V6 4.3L and other vehicles turns belt-driven engine rotation into electrical power that charges the battery and runs the electrical system. This new Bosch alternator is made with the latest manufacturing technologies.
Dim headlights, a battery that keeps going flat or a charging warning light can mean the alternator is worn, though a weak battery or a slipping drive belt can sit behind the same signs, so find the cause first. This listing is one alternator, and the 1999-2002 Chevrolet Silverado 1500 V8 4.8L or 5.3L takes one.
The 1999-2002 GMC Sierra 1500 V6 4.3L, V8 4.8L or 5.3L and the 2001-2002 Sierra 1500 V8 6.0L take this alternator, as do the 1999-2000 Chevrolet Silverado 2500 V8 5.3L, the 1999-2002 Silverado 2500 V8 6.0L and many other vehicles. It is designed to be identical in fit and performance to original equipment parts.
Fit and size
Build and materials
Interchange: 10464453 · 10464405 · 10464443
This part cross-references / interchanges with the following part numbers:
Is this a Chevy Silverado 1500 alternator for the 1999-2002 model with the V8 4.8L or 5.3L?
Yes, Bosch AL8731N fits the 1999-2002 Chevrolet Silverado 1500 V8 4.8L or 5.3L; for your own truck's year and engine, look it up on the Buyer's Guide tab.
Is this a GMC Sierra 1500 alternator for the 2001-2002 V8 6.0L?
Yes. Bosch AL8731N fits the 2001-2002 GMC Sierra 1500 V8 6.0L, and it also fits the 1999-2002 Sierra 1500 V6 4.3L, V8 4.8L and V8 5.3L.
What pulley and belt type does the Bosch AL8731N alternator have?
The Bosch AL8731N alternator is listed with a 6S pulley and belt type.
What does the Bosch Ultimate Protection Plan include with this alternator?
When the unit is registered at the time of purchase, the plan gives 2 years of 24-hour roadside assistance, with a free jump or tow up to 50 miles.
Does the Bosch AL8731N replace part number 10464453?
Yes. 10464453 is listed as a number this alternator replaces, along with 10464405 and 10464443.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.