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2003 GMC Sierra 1500
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Price Match Guarantee
60-Day Returns
Lifetime Replacement
2003 GMC Sierra 1500

2003 GMC Sierra 1500 Fuel Injector Connectors

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Standard OE Replacement Fuel Injector Connector - Direct Fit
Standard®
Standard OE Replacement Fuel Injector Connector - Direct Fit
Part Number: SIS824
Guaranteed to Fit
$7.99
Vehicle Fitment
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.5L FLEX
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.5L FLEX
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.5L FLEX
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.5L FLEX
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.5L FLEX
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.

Series : Standard OE ReplacementProduct Fit : Direct Fit
GM Original Equipment Series Fuel Injector Connector - Direct Fit
AC Delco®
GM Original Equipment Series Fuel Injector Connector - Direct Fit
Part Number: ACPT804
Guaranteed to Fit
$69.99
Vehicle Fitment
  • 2003 GMC Sierra 1500 SL 6 Cyl 4.5L Standard Transmission, 5-Speed, transmissionmfrcode: NV3500/MG5
  • 2003 GMC Sierra 1500 SLT 6 Cyl 4.5L Standard Transmission, 5-Speed, transmissionmfrcode: NV3500/MG5
  • 2003 GMC Sierra 1500 Base 6 Cyl 4.5L Standard Transmission, 5-Speed, transmissionmfrcode: NV3500/MG5
  • 2003 GMC Sierra 1500 WT 6 Cyl 4.5L Standard Transmission, 5-Speed, transmissionmfrcode: NV3500/MG5
  • 2003 GMC Sierra 1500 SLE 6 Cyl 4.5L Automatic Transmission, 4-Speed, transmissionmfrcode: 4L60-E
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
Professional Series Fuel Injector Connector - Direct Fit
AC Delco®
Professional Series Fuel Injector Connector - Direct Fit
Part Number: ACPT2160
Guaranteed to Fit
$25.49
Vehicle Fitment
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.5L FLEX
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.5L FLEX
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.5L FLEX
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.5L FLEX
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.5L FLEX
Product Details
Notes : Inline To Body Harness ConnectorWarranty : 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 : Professional SeriesProduct Fit : Direct FitConnector Gender : Female
Fuel Injector Connector - Direct Fit
Standard®
Fuel Injector Connector - Direct Fit
Part Number: SIS1014
Guaranteed to Fit
$26.99
Vehicle Fitment
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.5L GAS
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.5L GAS
  • 2003 GMC Sierra 1500 Denali 8 Cyl 6.2L GAS
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.0L GAS
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.5L GAS
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.0L GAS
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.0L GAS
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.0L GAS
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.5L GAS
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.5L GAS
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.0L GAS
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
Standard®
Fuel Injector Connector - Direct Fit
Part Number: SIHP4225
Guaranteed to Fit
$25.99
Vehicle Fitment
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.5L
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.5L
  • 2003 GMC Sierra 1500 Denali 8 Cyl 6.2L
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.0L
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.5L
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.0L
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.0L
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.0L
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.5L
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.5L
  • 2003 GMC Sierra 1500 SL 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
Standard®
Standard OE Replacement Fuel Injector Connector - Direct Fit
Part Number: SIS1608
Guaranteed to Fit
$89.99
Vehicle Fitment
  • 2003 GMC Sierra 1500 SL 6 Cyl 4.5L GAS
  • 2003 GMC Sierra 1500 SLT 6 Cyl 4.5L GAS
  • 2003 GMC Sierra 1500 Base 6 Cyl 4.5L GAS
  • 2003 GMC Sierra 1500 WT 6 Cyl 4.5L GAS
  • 2003 GMC Sierra 1500 SLE 6 Cyl 4.5L GAS
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
Standard HandyPack Fuel Injector Connector - Direct Fit
Standard®
Standard HandyPack Fuel Injector Connector - Direct Fit
Part Number: SIHP3945
Guaranteed to Fit
$6.49
Vehicle Fitment
  • 2003 GMC Sierra 1500 WT 8 Cyl 5.5L
  • 2003 GMC Sierra 1500 SL 8 Cyl 5.5L
  • 2003 GMC Sierra 1500 Base 8 Cyl 5.5L
  • 2003 GMC Sierra 1500 SLE 8 Cyl 5.5L
  • 2003 GMC Sierra 1500 SLT 8 Cyl 5.5L
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.

Series : Standard HandyPackProduct Fit : Direct Fit
Standard Series Fuel Injector Connector - Direct Fit
Standard®
Standard Series Fuel Injector Connector - Direct Fit
Part Number: SIS697
Guaranteed to Fit
$9.49
Vehicle Fitment
  • 2003 GMC Sierra 1500 All Submodels All Engines Without Quick Release Clip
Product Details
Notes : Fuel Injector ConnectorWarranty : 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 : 8 in.Terminal Gender : FemaleReplaces OE Number : 88988390, 906795Recommended Use : OE ReplacementProduct Fit : Direct FitSeries : Standard SeriesTerminal Type : Pin SocketWire Quantity : 2Terminal Quantity : 2Connector Quantity : 1
Page 1 of 1 | Showing 1 - 8 of 8 results

Top Rated Products

Standard Standard OE Replacement Fuel Injector Connector - Direct Fit
$7.99( Review)
Parts so far have always been correct and a good fit. Also all my parts usually come See More
Antonio N.
VERIFIED PURCHASER
Standard Standard Series Fuel Injector Connector - Direct Fit
$9.49( Review)
Fit perfectly and good quality
Ricky J.
VERIFIED PURCHASER

Popular Products

Product Questions & Answers

Standard Standard HandyPack Fuel Injector Connector - Direct Fit
$6.49
Q:i need a fuel injector connector for a mazda 2004 b2300?
luis l.
A:BEST ANSWERHi Luis, thank you for reaching out. If your 2004 Mazda B2300 has a 2.3-liter engine, then this fuel injector connector fits your vehicle. You can use this link to continue ordering this part at a discounted price today: https://www.carparts.com/fuel-injector-connector/standard/sihp3945?can=CPAP3648_CSQA_20240127 I hope this helps. Happy shopping. Show less
Aldrin P.
 
2 Questions, 1 AnswerView all Q&As >
Standard Standard Series Fuel Injector Connector - Direct Fit
$9.49
Q:The add for this product says "without quick release clip" what does that mean? Show Less
David M.
A:BEST ANSWERHello! The metal clip that retains this connector onto the fuel injector is not included. You could transfer it from your old connector. Show less
Mitchell D.
 
5 Questions, 1 AnswerView all Q&As >

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.