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Hummer H3 Engine Control Modules

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12678513 GM Original Equipment Series Engine Control Module - Direct Fit, Sold individually
Part Number: AC12678513
Vehicle Info Required to Guarantee Fit
$312.49

+ $30.50 Refundable Core Charge

Product Details
Notes : (3) Female Rounded Rectangle Connectors; Male Blade Pin Terminal; Flash Programming RequiredCondition : RemanufacturedQuantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : 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 : 12633264
12678511 GM Original Equipment Series Engine Control Module - Direct Fit, Sold individually
Part Number: AC12678511
Vehicle Info Required to Guarantee Fit
$273.49

+ $30.50 Refundable Core Charge

Product Details
Notes : (3) Connector Quantity; (201) Terminal Quantity; Blade and Pin Terminal Type; Rounded Rectangle Connector Shape; Female Connector Gender; Male and female Terminal GenderCondition : NewQuantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : 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 : 12590032, 12602044, 12603530, 12605843, 12607096, 12636660
77-2010F Reman Series Engine Control Module - Direct Fit, Sold individually
Part Number: A1772010F
Vehicle Info Required to Guarantee Fit
$262.99

+ $88.94 Refundable Core Charge

Product Details
Notes : 56; 73; 44 terminal quantity; (3) Pin/Male connector/terminal configuration; Non-removable PROMCondition : RemanufacturedQuantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : 1-year or 18,000-mile A1 Cardone 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 : Reman SeriesInterchange Part Number : 12602010Replaces OE Number : 12602010
77-7521F Engine Control Module - Requires Programming, Direct Fit
Part Number: A1777521F
Vehicle Info Required to Guarantee Fit
$242.99

+ $70.27 Refundable Core Charge

Product Details
Notes : (3) Pin/Male connector/terminal configurationCondition : RemanufacturedQuantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : 1-year or 18,000-mile A1 Cardone 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 : Reman SeriesInterchange Part Number : 12597521, 12597521, 19209820, 8125975210Replaces OE Number : 12597521, 12597521, 19209820, 8125975210
12678512 Engine Control Module - Direct Fit, Sold individually
Part Number: AC12678512
Vehicle Info Required to Guarantee Fit
$310.49

+ $30.50 Refundable Core Charge

Product Details
Quantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : 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.

550-601 HP Series Engine Control Module - Universal, Kit
Part Number: H19550601
Universal Fit
$2,249.95
Product Details
Notes : Designed for use with GM TPI and Holley Stealth Ram; Includes HEI adapter and Bosch oxygen sensorCondition : NewQuantity Sold : KitProduct Fit : UniversalWarranty : 90-day Holley 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 : HP Series
550-601N HP Series Engine Control Module - Universal, Kit
Part Number: H19550601N
Universal Fit
$2,749.95
Product Details
Notes : Designed for use with GM TPI and Holley Stealth Ram; Includes HEI adapter and NTK wideband oxygen sensorCondition : NewQuantity Sold : KitProduct Fit : UniversalWarranty : 90-day Holley 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 : HP Series
550-602 HP Series Engine Control Module - Universal, Kit
Part Number: H19550602
Universal Fit
$2,339.95
Product Details
Notes : Designed for use with GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (Fits Holley 522-xxx injectors); Includes Bosch oxygen sensor; Re-use factory GM ignition coil harnessesCondition : NewQuantity Sold : KitProduct Fit : UniversalWarranty : 90-day Holley 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 : HP Series
550-602N HP Series Engine Control Module - Universal, Kit
Part Number: H19550602N
Universal Fit
$2,564.95
Product Details
Notes : Designed for use with GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (Fits Holley 522-xxx injectors); Includes NTK wideband oxygen sensor; Re-use factory GM ignition coil harnessesCondition : NewQuantity Sold : KitProduct Fit : UniversalWarranty : 90-day Holley 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 : HP Series
550-603 HP Series Engine Control Module - Universal, Kit
Part Number: H19550603
Universal Fit
$2,339.95
Product Details
Notes : Designed for use with GM LS2/LS3 or LS7 (58x crank sensor) engines with USCAR (EV6 Style) connectors on injector harness; Includes Bosch oxygen sensor; Re-use factory GM ignition coil harnessesCondition : NewQuantity Sold : KitProduct Fit : UniversalWarranty : 90-day Holley 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 : HP Series
550-603N HP Series Engine Control Module - Universal, Kit
Part Number: H19550603N
Universal Fit
$2,564.95
Product Details
Notes : Designed for use with GM LS2/LS3 or LS7 (58x crank sensor) engines with USCAR (EV6 Style) connectors on injector harness; Includes NTK wideband oxygen sensor; Re-use factory GM ignition coil harnessesCondition : NewQuantity Sold : KitProduct Fit : UniversalWarranty : 90-day Holley 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 : HP Series
550-604 HP Series Engine Control Module - Universal, Kit
Part Number: H19550604
Universal Fit
$2,249.95
Product Details
Notes : Universal V8 MPFI fit; Requires ignition adapter harness based on ignition type, sold separately; Includes Bosch oxygen sensorCondition : NewQuantity Sold : KitProduct Fit : UniversalWarranty : 90-day Holley 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 : HP Series
550-604N HP Series Engine Control Module - Universal, Kit
Part Number: H19550604N
Universal Fit
$2,474.95
Product Details
Notes : Universal V8 MPFI fit; Requires ignition adapter harness based on ignition type, sold separately; Includes NTK wideband oxygen sensorCondition : NewQuantity Sold : KitProduct Fit : UniversalWarranty : 90-day Holley 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 : HP Series
550-605 HP Series Engine Control Module - Universal, Kit
Part Number: H19550605
Universal Fit
$2,249.95
Product Details
Notes : Unterminated Universal Harness; Includes Bosch oxygen sensorCondition : NewQuantity Sold : KitProduct Fit : UniversalWarranty : 90-day Holley 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 : HP Series
550-605N HP Series Engine Control Module - Universal, Kit
Part Number: H19550605N
Universal Fit
$2,474.95
Product Details
Notes : Unterminated universal harness; Includes NTK wideband oxygen sensorCondition : NewQuantity Sold : KitProduct Fit : UniversalWarranty : 90-day Holley 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 : HP Series
Page 1 of 2 | Showing 1 - 15 of 20 results

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All seems to be working as intended. There is now an issue with actuator which controSee More
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Helpful Automotive Resources

P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)
P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)P0141 is part of a family of codes listed as follows: P0141 – Sensor Heater Circuit Bank 1 Sensor 2 P0161 – Sensor Heater Circuit Bank 2 Sensor 2 P0135 – O2 Sensor Heater Circuit Bank 1 Sensor 1 P0155 – O2 Heater Circuit Bank 2, Sensor 1 Make sure you know bank 1 from
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3When there are only 3 O2 sensors it’s typically because there’s only one catalyst being monitored, and “Bank 1” is the default designation when there’s only one sensor in a category. Diagram showing 3 oxygen sensors | Image Source: Richard McCuistian
P0445 Code: Evaporative Emission System Purge Control Valve “A” Circuit Shorted
P0445 Code: Evaporative Emission System Purge Control Valve “A” Circuit ShortedCode P0445 refers to the canister purge valve, which is typically a valve opened by a solenoid that is duty cycled by the ECM/PCM to allow fuel vapor stored in the canister to enter the intake manifold. As such, this solenoid is usually powered up on one side and the