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1999 GMC Sierra 1500

1999 GMC Sierra 1500 Fuel Injector Connectors

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GM Original Equipment Series Fuel Injector Connector - Direct Fit
Part Number: ACPT804
Guaranteed to Fit
$69.99
Vehicle Fitment
  • 1999 GMC Sierra 1500 SL 6 Cyl 4.5L Except Dual Bat 600 CCA & 770 CCA(8B0)
  • 1999 GMC Sierra 1500 SLE 6 Cyl 4.5L Except Dual Bat 600 CCA & 770 CCA(8B0)
  • 1999 GMC Sierra 1500 SLT 6 Cyl 4.5L Except Dual Bat 600 CCA & 770 CCA(8B0)
Product Details
Notes : With leads; BlackWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 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 SeriesWire Quantity : 12Product Fit : Direct FitConnector Gender : Female
Fuel Injector Connector - Direct Fit
Part Number: SIS1014
Guaranteed to Fit
$26.99
Vehicle Fitment
  • 1999 GMC Sierra 1500 SL 8 Cyl 5.5L
  • 1999 GMC Sierra 1500 SLT 8 Cyl 5.5L
  • 1999 GMC Sierra 1500 SLE 8 Cyl 5.5L
  • 1999 GMC Sierra 1500 SLT 8 Cyl 5.0L
  • 1999 GMC Sierra 1500 SL 8 Cyl 5.0L
  • 1999 GMC Sierra 1500 SLE 8 Cyl 5.0L
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 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 ReplacementProduct Fit : Direct Fit
Fuel Injector Connector - Direct Fit
Part Number: SIHP4225
Guaranteed to Fit
$25.99
Vehicle Fitment
  • 1999 GMC Sierra 1500 SL 8 Cyl 5.5L
  • 1999 GMC Sierra 1500 SLT 8 Cyl 5.5L
  • 1999 GMC Sierra 1500 SLE 8 Cyl 5.5L
  • 1999 GMC Sierra 1500 SLT 8 Cyl 5.0L
  • 1999 GMC Sierra 1500 SL 8 Cyl 5.0L
  • 1999 GMC Sierra 1500 SLE 8 Cyl 5.0L
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 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 ReplacementProduct Fit : Direct Fit
Standard OE Replacement Fuel Injector Connector - Direct Fit
Part Number: SIS1608
Guaranteed to Fit
$89.99
Vehicle Fitment
  • 1999 GMC Sierra 1500 SL 6 Cyl 4.5L
  • 1999 GMC Sierra 1500 SLE 6 Cyl 4.5L
  • 1999 GMC Sierra 1500 SLT 6 Cyl 4.5L
Product Details
Notes : Includes Butt SplicesWarranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 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.

Harness Length : 17 in.Terminal Gender : Female TerminalRecommended Use : OE ReplacementProduct Fit : Direct FitSeries : Standard OE ReplacementTerminal Type : Pin TypeWire Quantity : 12Terminal Quantity : 12 TerminalsConnector Quantity : 1 ConnectorConnector Gender : Male Connector
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Helpful Automotive Resources

P0270: Cylinder 4 Injector Circuit Low
P0270: Cylinder 4 Injector Circuit LowEach of the fuel injectors is equipped with a solenoid-operated valve that allows pressurized fuel to flow out. The valve is controlled by a special transistor called a “driver.” The “driver” needs to be energized to create a closed circuit and move the valve to an open position.