HUMMER H1 4 Door Hardtop Alternator replacement Cost
1992–2006 · Engine, Fuel & Emissions system
Typical range
$589–$5.5k
Parts + labour
Labour hours
1.5–4.5h
At a typical garage
The alternator charges the battery and powers the electrical system while the engine is running. Warning signs include a battery warning light, dimming headlights, or a car that won't start after short trips. HUMMER H1 4 Door Hardtop alternator replacement typically costs $589–$5478 at an independent garage.
Typical parts included
- Alternator
- Alternator voltage regulator
What affects the price
- OEM vs remanufactured alternator unit
- Output amperage (higher on models with heavy electrical loads)
- Accessibility in the engine bay—some require partial disassembly
Common questions
How long does this repair take?
Alternator replacement on a HUMMER H1 4 Door Hardtop typically takes 1.5–4.5 hours at a garage.
How often does this need to be done?
For a HUMMER H1 4 Door Hardtop, this is typically needed typically every 80,000–150,000 miles; replacement is usually on failure rather than a set schedule.
Other engine, fuel & emissions system repairs on the HUMMER H1 4 Door Hardtop
- ABS hydraulic unit replacement$510–$918
- ABS sensor replacement$210–$378
- ABS system bleeding$168–$302
- AC compressor clutch replacement$420–$756
- AC compressor replacement$450–$810
Alternator replacement cost on similar cars
- LAND ROVER Range Rover$360–$648
- JEEP Grand Cherokee$330–$594
- CHEVROLET Tahoe$360–$648
- FORD Expedition$360–$648
- GMC Yukon$360–$648
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