Part #: 10143

MPA Electrical 10143 Alternator

Remanufactured
⚙️ 63 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$74.93Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Remanufactured
🚗Fitment: Chevrolet and GMC, Express 2500, Express 3500, Savana 2500, Savana 3500, Express Pasajeros, Express 1500, Savana 1500, and Avalanche 2500
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Alternator for Chevrolet and GMC Vehicles

The MPA Electrical Remanufactured Alternator 10143 delivers consistent 12-volt power with 145 amps output, designed specifically for select Chevrolet and GMC trucks and vans. Engineered to meet the electrical demands of models like the Silverado 3500 and Express 2500, this alternator ensures stable charging and starting performance.

  • 145 amps output for reliable electrical power
  • 12 volts system compatibility
  • Internal fan for efficient cooling
  • 6 groove serpentine pulley for proper belt alignment
  • Internal voltage regulator for stable output
  • Clockwise rotation matching OEM specifications
  • Delco manufacturer components for durability

About the Remanufactured Product Line

The Remanufactured line from MPA Electrical offers alternators rebuilt to meet original equipment standards. This process includes thorough inspection, replacement of worn parts, and testing to ensure performance and reliability comparable to new units. The 10143 alternator benefits from this approach, providing a cost-effective solution without compromising quality for Chevrolet and GMC vehicles.

Detailed Alternator Features and Specifications

This alternator features a 145 amp output suitable for heavy-duty electrical loads found in Chevrolet Avalanche 2500 and GMC Savana 3500 models. The internal fan design helps maintain optimal operating temperatures, reducing wear and extending service life. The 6 groove serpentine pulley ensures compatibility with factory belt systems, while the internal voltage regulator maintains consistent 12-volt output. Clockwise rotation aligns with OEM requirements, and the use of Delco components supports durability and performance.

Common Applications and Problem Resolution

  • Replaces failing or weak alternators in Chevrolet Silverado 3500 and GMC Express 1500
  • Solves battery charging issues and electrical system malfunctions
  • Addresses dimming headlights and accessory power loss
  • Eliminates warning lights related to charging system faults
  • Restores proper function to vehicles experiencing starting difficulties

Installation Notes and Tips

Ensure the vehicle battery is disconnected before installation to prevent electrical shorts. Verify the alternator rotation is clockwise to match the original unit. Confirm the serpentine belt alignment with the 6 groove pulley to avoid premature belt wear. It is recommended to inspect the battery and wiring connections during installation to ensure optimal performance.

Quality Assurance and Warranty

The MPA Electrical Remanufactured Alternator 10143 undergoes comprehensive testing to meet OEM standards. While specific warranty details may vary, remanufactured units typically include a limited warranty covering defects in materials and workmanship. Consult product documentation for exact warranty terms.

BrandMPA Electrical
Part Number10143
PositionRemanufactured
Amps145 Amps
Clock3:00
FanInternal
ManufacturerDelco
Pulley6 Groove Serpentine
RegulatorInternal
RotationClockwise
Volts12 Volts

This part fits 63 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2016ChevroletExpress 25006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2016ChevroletExpress 25004.8LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2016ChevroletExpress 35006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2016ChevroletExpress 35004.8LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2016GMCSavana 25006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2016GMCSavana 25004.8LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2016GMCSavana 35006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2016GMCSavana 35004.8LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2015ChevroletExpress 25006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2015ChevroletExpress 25004.8LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2015ChevroletExpress 35006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2015ChevroletExpress 35004.8LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2015GMCSavana 25006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2015GMCSavana 25004.8LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2015GMCSavana 35006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2015GMCSavana 35004.8LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2014ChevroletExpress 25006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2014ChevroletExpress 25004.8LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2014ChevroletExpress 35006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2014ChevroletExpress 35004.8LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2014GMCSavana 25006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2014GMCSavana 25004.8LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2014GMCSavana 35006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2014GMCSavana 35004.8LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2013ChevroletExpress 25006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2013ChevroletExpress 25004.8LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2013ChevroletExpress 35006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2013ChevroletExpress 35004.8LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2013GMCSavana 25006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2013GMCSavana 25004.8LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2013GMCSavana 35006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2013GMCSavana 35004.8LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2012ChevroletExpress 25006.0LV8N/Aw/ 145 amp alt.; Remanufactured
2012ChevroletExpress 25004.8LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2012ChevroletExpress 35006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2012ChevroletExpress 35004.8LV8N/ARemanufactured
2012GMCSavana 25006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2012GMCSavana 25004.8LV8N/ARemanufactured
2012GMCSavana 35006.0LV8N/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2012GMCSavana 35004.8LV8N/ARemanufactured
2011ChevroletExpress 25006.0LV8CNGN/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2011ChevroletExpress 35006.0LV8CNGN/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2011GMCSavana 25006.0LV8CNGN/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2011GMCSavana 35006.0LV8CNGN/ACompatible with vehicles equipped with a 145 amp alternator.; Remanufactured
2009ChevroletExpress 15005.3LV8N/Aw/ 4 Pin Regulator Plug, w/ Bosch 145 Amp Alternator; Remanufactured
2009GMCSavana 15005.3LV8GASN/Aw/ Remy 145 Amp Alternator; Remanufactured
2008ChevroletExpress 15005.3LV8N/ARemanufactured
2008ChevroletExpress 15004.3LV6N/ARemanufactured
2008ChevroletExpress 35005.3LV8N/ARemanufactured
2007ChevroletExpress 15005.3LV8N/ARemanufactured
2007ChevroletExpress 15004.3LV6N/ARemanufactured
2007ChevroletExpress 35005.3LV8N/ARemanufactured
2007ChevroletSilverado 35005.7LV8N/ARemanufactured
2006ChevroletAvalanche 25008.1LV8N/Aw/ 105 Amp Alternator; Remanufactured
2006ChevroletExpress 15005.3LV8N/ARemanufactured
2006ChevroletExpress 15004.3LV6N/ARemanufactured
2006ChevroletExpress 25004.3LV6N/ARemanufactured
2006ChevroletExpress 35005.3LV8N/ARemanufactured
2006ChevroletSilverado 35005.7LV8N/ARemanufactured
2006GMCSavana 25004.3LV6N/ARemanufactured
2005ChevroletExpress 15005.3LV8N/ARemanufactured
2005ChevroletExpress 15004.3LV6N/ARemanufactured
2005ChevroletExpress 35005.3LV8N/ARemanufactured

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2098965122781131840024085508734

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.