DB Electrical 400-12204 New Alternator for Chevrolet Silverado Pickup 1500 2003-2005 4.3L, 4.8L

from Joseph Winnicki Jr

I purchased this truck alternator after researching that it fits my LS1 Trans Am. The factory unit was rated @ 105 Amp. This 145 Amp upgrade bolted directly in, had the same diameter 6 groove serp pulley and plugged right into the 4-pin flat weather pack connector. The only modification was unbol...

from Michael woods

Been running this for about a year now and have no complaints. I jump start semis with my truck now. I did add a 4ga wire from the output to the junction block. Will be buying this alternator for my other trucks.

from Jamez K.

I’ve been running this alternator for 10 months now on a 5.3L out of an 05 truck. The fact it’s lasted this long is shocking. I ALWAYS have my system playing full tilt. (1200rms for bass) Voltage dips a little of course, but it keeps up well. Did not have to change belts or anything, bolt on ...

from SPR

I pulled the bad alternator on Friday night. Sourced one locally on Saturday morning. I did not like the local price. Ordered it online Saturday morning and had by 9:00 am Sunday morning. Installed by noon. A perfect fit to replace the old 130 amp alternator that is now obsolete. Outstanding!

from SL

Application: 2003 Denali 6.0 with KG3 145 amp option. So far, very impressed... only ran it for about 100 miles so far but it’s quiet and charging as it should. I “took a chanceâ€ù on this alternator after reading the slew of five star reviews. And here I am at five stars. It’s a heavy cons...