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2008 Hummer H3
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2008 Hummer H3

2008 Hummer H3 Alternators

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Alternator, 8 Cyl., 5.3L Engine -
Quality-Built®
Alternator, 8 Cyl., 5.3L Engine -
Part Number: MPA8302603N
Guaranteed to Fit
$170.99
Vehicle Fitment
  • 2008 Hummer H3 Alpha 8 Cyl 5.3L
Product Details
Condition : NewAmperage Output : 145 AmpPulley Type : SerpentineNumberof Grooves : 6 GroovesQuantity Sold : Sold individuallyWarranty : Lifetime Quality-Built limited warrantyRegulator Style : InternalSeries : QB SupremeVoltage : 12 VRecommended Use : OE ReplacementRotation : Clockwise
Alternator, 8 Cyl., 5.3L Engine -
Quality-Built®
Alternator, 8 Cyl., 5.3L Engine -
Part Number: MPA8302603
Guaranteed to Fit
$113.99

+ $58.56 Refundable Core Charge

Vehicle Fitment
  • 2008 Hummer H3 Alpha 8 Cyl 5.3L
Product Details
Condition : RemanufacturedAmperage Output : 145 AmpPulley Type : SerpentineNumberof Grooves : 6 GroovesQuantity Sold : Sold individuallyWarranty : Lifetime Quality-Built limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is 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.

Replaces OE Number : 25869451, 8302, 15905872, 1585Recommended Use : OE ReplacementIncludes : With complimentary 24/7 Quality-Built (QB) Roadside Assistance Program (RAP)Series : QB PremiumInterchange Part Number : REPC330141, 8206605N, 25869451, 8302, 15905872, 1585
Alternator, 5 Cyl., 3.7L Engine -
AC Delco®
Alternator, 5 Cyl., 3.7L Engine -
Part Number: AC3342956A
Guaranteed to Fit
$177.49

+ $63.44 Refundable Core Charge

Vehicle Fitment
  • 2008 Hummer H3 Base 5 Cyl 3.7L
  • 2008 Hummer H3 X 5 Cyl 3.7L
Product Details
Condition : RemanufacturedAmperage Output : 120 AmpPulley Type : SerpentineNumberof Grooves : 6 GroovesQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is 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.

Series : OE Replacement SeriesRecommended Use : OE ReplacementRotation : Clockwise rotation
Alternator, 8 Cyl., 5.3L Engine, 145 Amps -
Remy®
Alternator, 8 Cyl., 5.3L Engine, 145 Amps -
Part Number: RMY91017
Guaranteed to Fit
$179.49
Vehicle Fitment
  • 2008 Hummer H3 Alpha 8 Cyl 5.3L 145 Amps
Product Details
Notes : 12 Voltage; Internal Voltage Regulator Type; Internal Fan TypeCondition : NewAmperage Output : 145 AmpQuantity Sold : Sold individuallyWarranty : 2-year Remy limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is 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.

Includes : PulleyRecommended Use : OE ReplacementRotation : Clockwise rotation
Alternator, 5 Cyl., 3.7L Engine -
Quality-Built®
Alternator, 5 Cyl., 3.7L Engine -
Part Number: MPA15735
Guaranteed to Fit
$121.99

+ $103.70 Refundable Core Charge

Vehicle Fitment
  • 2008 Hummer H3 Luxury 5 Cyl 3.7L
  • 2008 Hummer H3 Adventure 5 Cyl 3.7L
  • 2008 Hummer H3 Base 5 Cyl 3.7L
  • 2008 Hummer H3 X 5 Cyl 3.7L
Product Details
Condition : RemanufacturedAmperage Output : 120 AmpPulley Type : SerpentineNumberof Grooves : 6 GroovesQuantity Sold : Sold individuallyWarranty : Lifetime Quality-Built limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is 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.

Replaces OE Number : 11148, TG12S047, TG12S028, 265Recommended Use : OE ReplacementRotation : Clockwise rotationIncludes : With complimentary 24/7 Quality-Built (QB) Roadside Assistance Program (RAP)Series : QB Premium
Alternator, 8 Cyl., 5.3L Engine, 145 Amp -
Denso®
Alternator, 8 Cyl., 5.3L Engine, 145 Amp -
Part Number: NP2105382
Guaranteed to Fit
$167.49

+ $41.48 Refundable Core Charge

Vehicle Fitment
  • 2008 Hummer H3 Alpha 8 Cyl 5.3L 145 Amp
Product Details
Condition : RemanufacturedAmperage Output : 145 AmpQuantity Sold : Sold individuallyWarranty : 1-year Denso limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is 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.

Recommended Use : OE Replacement
Alternator, 8 Cyl., 5.3L Engine, 145 Amps -
BBB Industries®
Alternator, 8 Cyl., 5.3L Engine, 145 Amps -
Part Number: BBBN8302P79
Guaranteed to Fit
$179.49
Vehicle Fitment
  • 2008 Hummer H3 Alpha 8 Cyl 5.3L 145 Amps
Product Details
Notes : 12V; 6 kw Power Rating; 2-1/2 in. OD Pulley; Air Cooling Method; Internal Fan Type; Internal Regulator Type; Negative Polarity; OE Manufacturer - Delco/Delphi; DR44G Series; Serpentine Pulley Belt TypeCondition : NewAmperage Output : 145 AmpPulley Type : Conventional pulleyQuantity Sold : Sold individuallyWarranty : BBB Industries limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is 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.

Recommended Use : OE ReplacementRotation : Clockwise
Alternator, 5 Cyl., 3.7L Engine, 125 Amp -
WAI®
Alternator, 5 Cyl., 3.7L Engine, 125 Amp -
Part Number: WAI11148N
Guaranteed to Fit
$155.99
Vehicle Fitment
  • 2008 Hummer H3 Luxury 5 Cyl 3.7L 125 Amp
  • 2008 Hummer H3 X 5 Cyl 3.7L 125 Amp
  • 2008 Hummer H3 Adventure 5 Cyl 3.7L 125 Amp
  • 2008 Hummer H3 Base 5 Cyl 3.7L 125 Amp
Product Details
Condition : NewQuantity Sold : Sold individuallyWarranty : WAI limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is 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.

Recommended Use : OE Replacement
Alternator, 5 Cyl., 3.7L Engine, 120 Amp -
Valeo®
Alternator, 5 Cyl., 3.7L Engine, 120 Amp -
Part Number: VLE849028
Guaranteed to Fit
$260.49
Vehicle Fitment
  • 2008 Hummer H3 X 5 Cyl 3.7L 120 Amp
  • 2008 Hummer H3 Base 5 Cyl 3.7L 120 Amp
Product Details
Condition : NewAmperage Output : 70 AmpPulley Type : SerpentineNumberof Grooves : 6 GroovesQuantity Sold : Sold individuallyWarranty : 1 year or 12,000-mile Valeo limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is 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.

Includes : With PulleySeries : Valeo OE ReplacementRecommended Use : OE Replacement
Alternator, 5 Cyl., 3.7L Engine -
Quality-Built®
Alternator, 5 Cyl., 3.7L Engine -
Part Number: MPA15735N
Guaranteed to Fit
$272.99
Vehicle Fitment
  • 2008 Hummer H3 Luxury 5 Cyl 3.7L
  • 2008 Hummer H3 Adventure 5 Cyl 3.7L
  • 2008 Hummer H3 Base 5 Cyl 3.7L
  • 2008 Hummer H3 X 5 Cyl 3.7L
Product Details
Condition : NewQuantity Sold : Sold individuallyWarranty : Lifetime Quality-Built limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including heavy metals including Chromium and Barium, which is known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.

Alternator, 5 Cyl., 3.7L Engine, 125 Amp, OE Equivalent -
Denso®
Alternator, 5 Cyl., 3.7L Engine, 125 Amp, OE Equivalent -
Part Number: NP2116023
Guaranteed to Fit
$303.49
Vehicle Fitment
  • 2008 Hummer H3 Luxury 5 Cyl 3.7L 125 Amp; OE Equivalent
  • 2008 Hummer H3 X 5 Cyl 3.7L 125 Amp; OE Equivalent
  • 2008 Hummer H3 Adventure 5 Cyl 3.7L 125 Amp; OE Equivalent
  • 2008 Hummer H3 Base 5 Cyl 3.7L 125 Amp; OE Equivalent
Product Details
Condition : NewAmperage Output : 125 AmpQuantity Sold : Sold individuallyWarranty : 1-year Denso limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is 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.

Includes : With PulleyReplaces OE Number : Repl. OE No. 15884348, 15946765, 25925948, 8158843480, 8159467650, 8259259480Recommended Use : OE ReplacementRotation : Clockwise rotation
Alternator, 8 Cyl., 5.3L Engine -
AC Delco®
Alternator, 8 Cyl., 5.3L Engine -
Part Number: AC3342747A
Guaranteed to Fit
$158.99

+ $43.92 Refundable Core Charge

Vehicle Fitment
  • 2008 Hummer H3 Alpha 8 Cyl 5.3L
Product Details
Condition : RemanufacturedAmperage Output : 145 AmpQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is 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.

Series : Professional SeriesRecommended Use : OE Replacement
Alternator, 8 Cyl., 5.3L Engine, Stamped JD -
AC Delco®
Alternator, 8 Cyl., 5.3L Engine, Stamped JD -
Part Number: AC22781131
Guaranteed to Fit
$269.49
Vehicle Fitment
  • 2008 Hummer H3 Alpha 8 Cyl 5.3L Stamped 'JD', 4 Wire
Product Details
Notes : Delco Series DR44G, type 100; Used to service 105 amp, K68 usage; For 145 amp usage, see 15263858 labeled 22781131Condition : NewAmperage Output : 105 AmpPulley Type : SerpentineNumberof Grooves : 6 GroovesQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is 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.

Replaces OE Number : Repl. OE No. 22781131, 15847291, 20989651Recommended Use : OE ReplacementRotation : Clockwise rotationIncludes : With pulley and internal fanSeries : GM Original Equipment Series
Alternator, 8 Cyl., 5.3L Engine -
WAI®
Alternator, 8 Cyl., 5.3L Engine -
Part Number: WAI8302N-6G2
Guaranteed to Fit
$158.99
Vehicle Fitment
  • 2008 Hummer H3 Alpha 8 Cyl 5.3L
Product Details
Condition : NewQuantity Sold : Sold individuallyWarranty : WAI limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is 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.

Recommended Use : OE Replacement
Alternator, 8 Cyl., 5.3L Engine, Stamped JD -
AC Delco®
Alternator, 8 Cyl., 5.3L Engine, Stamped JD -
Part Number: AC20881337
Guaranteed to Fit
$257.49
Vehicle Fitment
  • 2008 Hummer H3 Alpha 8 Cyl 5.3L Stamped 'JD', 2 Wire
Product Details
Condition : NewAmperage Output : 145 AmpQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is 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.

Series : GM Original Equipment SeriesReplaces OE Number : Repl. OE No. 20881337Recommended Use : OE Replacement
Page 1 of 2 | Showing 1 - 15 of 24 results

Top Rated Products

Quality-Built Alternator, 8 Cyl., 5.3L Engine -
$170.99( Review)
Part was exactly how it looks in the picture, and had a very fast delivery! The best See More
Kudarius G.
VERIFIED PURCHASER
Quality-Built Alternator, 5 Cyl., 3.7L Engine -
$120.49( Review)
Showed up a few days earlier then expected .Perfect fit no problem putting it on. WilSee More
Jason S.
VERIFIED PURCHASER

Popular Products

Product Questions & Answers

AC Delco Alternator, 8 Cyl., 5.3L Engine, Stamped JD -
$257.49
Q:is this a # d r 37 ?
Jack H.
A:BEST ANSWERHello Jack, This is a 2 Wire, 145 Amp(KG3) Alternator.
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >

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Where is the Voltage Regulator Located on an Alternator?
Where is the Voltage Regulator Located on an Alternator?To access the voltage regulator, all you need to do is park your vehicle, disconnect the car battery, and check the engine compartment. It’s helpful to look up the voltage regulator for your vehicle on CarParts.com so you can determine what it looks like. .kadence-column_d10526-07 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_d10526-07 > .kt-inside-inner-col,.kadence-column_d10526-07 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_d10526-07
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Other Parts To Replace When Changing Your Alternator
Other Parts To Replace When Changing Your AlternatorSince you’ll need to remove the negative terminal while replacing the alternator anyway, go ahead and give the terminals and their posts a good cleaning. Make sure you check the alternator connections for compromised connectors or an oxidized charge post terminal lug. The point is to reduce resistance in all