This alternator is for vehicles with the 3.7L engine.
Condition: Excellent (A)
Mileage: 156,000 miles
It is a 145 amp unit (option code KG3) and features a 2-wire connector.
Condition: Excellent (A)
Mileage: 191,000 miles
DR44 Type 145 Amps
145 Amps
DR44 Type 145 Amps
The connector is chipped but remains usable. For vehicles with a 125 amp alternator.
Condition: Good (B)
Mileage: 152,000 miles
For vehicles with a 125 amp alternator.
Condition: Excellent (A)
Mileage: 126,000 miles
120 Amps
DR37 Type 145 Amps
DR37 Type 145 Amps
130 Amps
To 145 Amp Alternator
w/ 145 Amp Alternator
w/ 145 Amp Alternator (RPO KG3)
w/ 2 Wire Generator
DR44 Type 145 Amps
120 Amps
w/ 145 Amp Alternator
With Delco DR44 145 Amp or DR37 145 Amp, Supplied as DR37 145 Amp
130 Amps
130 Amps
w/ 145 Amp Alternator (RPO KG3)
w/ 2 Wire Generator
w/ 145 Amp Alternator (RPO KG3)
w/ 2 Wire Generator
125 Amp OE Equivalent
w/ 145 Amp Alternator (RPO KG3)
w/ 2 Wire Generator
Browse our selection of quality alternator parts designed specifically for your Hummer H3. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Adventure · Alpha · Base · Championship Series · Luxury · X
SUV · Sport Utility
L5 3.5L · L5 3.7L · V8 5.3L
Automatic · Manual