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2003 GMC Sierra 2500 HD

2003 GMC Sierra 2500 HD Neutral Safety Switches

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Neutral Safety Switch, Automatic Transmission, 4-Speed
Part Number: REPC506401
Guaranteed to Fit
$25.99
Vehicle Fitment
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 8.1L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 6.6L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 8.1L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 6.0L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 8.1L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 6.6L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 6.6L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 6.0L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 6.6L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 8.1L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 6.0L Automatic Transmission, 4-Speed
Product Details
Notes : Blade type; 4-prong and 7-prong male terminalsConfiguration : 4-Prong and 7-Prong Blade Male Terminals; 2 Female ConnectorsQuantity Sold : Sold individuallyWarranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Phthalates, 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.

Interchange Part Number : NS85, 12450016, 24229422, 8124500160, 8242294220, D2285AReplaces OE Number : 12450016, 24229422, 8124500160, 8242294220, D2285AReturns Policy : 30-Day Return Policy
Neutral Safety Switch, Automatic Transmission, 5-Speed
Part Number: REPC506406
Guaranteed to Fit
$33.99
Vehicle Fitment
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 8.1L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 6.6L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 6.0L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 6.6L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 6.0L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 6.0L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 6.6L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 8.1L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 6.6L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 8.1L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 8.1L Automatic Transmission, 5-Speed
Product Details
Configuration : 4-Prong and 7-Prong Blade Male Terminals; 2 Female ConnectorsQuantity Sold : Sold individuallyWarranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Phthalates, 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.

Interchange Part Number : NS365, 15179799, 15179957, 29540472, 29540479Replaces OE Number : 15179799, 15179957, 29540472, 29540479Returns Policy : 30-Day Return Policy
Neutral Safety Switch, To 7/28/03 -
Part Number: RB924435
Guaranteed to Fit
$30.49
Vehicle Fitment
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 6.6L To 7/28/03
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 6.0L To 7/28/03
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 6.6L To 7/28/03
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 8.1L To 7/28/03
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 6.0L To 7/28/03
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 6.6L To 7/28/03
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 8.1L To 7/28/03
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 6.0L To 7/28/03
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 6.6L To 7/28/03
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 8.1L To 7/28/03
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 6.0L To 7/28/03
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 8.1L To 7/28/03
Product Details
Quantity Sold : Sold individuallyWarranty : Lifetime Dorman 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 Solutions Series
Neutral Safety Switch, Automatic Transmission, 5-Speed -
Part Number: SINS365
Guaranteed to Fit
$132.49
Vehicle Fitment
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 8.1L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 6.6L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 6.0L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 6.6L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 6.0L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 6.0L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 6.6L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 8.1L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 6.6L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 8.1L Automatic Transmission, 5-Speed
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 8.1L Automatic Transmission, 5-Speed
Product Details
Notes : Bolt mount mounting typeConfiguration : 7, 4 Blade Male Terminals & 2 Female ConnectorsQuantity Sold : Sold individuallyWarranty : 3-year or 36,000-mile Standard 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 : Standard SeriesInterchange Part Number : REPC506406Replaces OE Number : 29540479
Neutral Safety Switch, 4-Speed, Automatic Transmission -
Part Number: SINS85T
Guaranteed to Fit
$30.49
Vehicle Fitment
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 6.6L 4-Speed, Automatic Transmission
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 6.6L 4-Speed, Automatic Transmission
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 8.1L 4-Speed, Automatic Transmission
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 6.6L 4-Speed, Automatic Transmission
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 8.1L 4-Speed, Automatic Transmission
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 6.6L 4-Speed, Automatic Transmission
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 8.1L 4-Speed, Automatic Transmission
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 6.0L 4-Speed, Automatic Transmission
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 8.1L 4-Speed, Automatic Transmission
Product Details
Configuration : 11 Blade Male Terminals & 2 Female ConnectorsQuantity Sold : Sold individuallyWarranty : 1-year or 12,000-mile Standard 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 : Standard T-Series
Neutral Safety Switch, Automatic Transmission, 4-Speed -
Part Number: SINS85
Guaranteed to Fit
$62.49
Vehicle Fitment
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 8.1L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 6.6L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 8.1L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 6.0L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 8.1L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 6.6L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 6.6L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 6.0L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 6.6L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 8.1L Automatic Transmission, 4-Speed
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 6.0L Automatic Transmission, 4-Speed
Product Details
Quantity Sold : Sold individuallyWarranty : 3-year or 36,000-mile Standard 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 : Standard OE ReplacementInterchange Part Number : REPC506401
Neutral Safety Switch, transmissionmfrcode : 1000/M74 -
Part Number: ACD2256C
Guaranteed to Fit
$213.49
Vehicle Fitment
  • 2003 GMC Sierra 2500 HD WT All Engines transmissionmfrcode : 1000/M74
  • 2003 GMC Sierra 2500 HD Base All Engines transmissionmfrcode : 1000/M74
  • 2003 GMC Sierra 2500 HD SLE All Engines transmissionmfrcode : 1000/M74
  • 2003 GMC Sierra 2500 HD SLT All Engines transmissionmfrcode : 1000/M74
Product Details
Notes : Dual connectorQuantity 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 : 29540479
Neutral Safety Switch, transmissionmfrname : Allison -
Part Number: RB511102
Guaranteed to Fit
$108.99
Vehicle Fitment
  • 2003 GMC Sierra 2500 HD All Submodels All Engines transmissionmfrname : Allison
Product Details
Quantity Sold : KitWarranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Acrylonitrile, 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 : Techoice SeriesInterchange Part Number : D2256C, S38105, 15179799, 15179957, 29540472, 29540479, 1S5161, DR4138, NS365Replaces OE Number : D2256C, S38105, 15179799, 15179957, 29540472, 29540479, 1S5161, DR4138, NS365
Neutral Safety Switch	- Fits GM Turbo 350 and 400 transmissions as well as the 700 R4
Part Number: P4280175
Universal Fit
$49.99
Product Details
Notes : Fits GM Turbo 350 and 400 transmissions as well as the 700 R4Quantity Sold : Sold individuallyWarranty : 1-year Painless 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.

Product Fit : Universal
Universal, Neutral Safety Switch
Part Number: B3280844
Universal Fit
$38.30
Product Details
Notes : Compatible with B&M Pro Stick ShiftersQuantity Sold : KitWarranty : 90-day B&M 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.

Additional Promotions : Holley Brands IRS Tax SaleSpecialty Part : Performance Part by JCWProduct Fit : Universal
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Product Questions & Answers

Q:Does this make lights work on dash?
Steerjock
A:BEST ANSWERHi John, thank you for reaching out. Yes. an illuminated check engine light is one of the symptoms of a bad neutral safety switch. We suggest that a certified mechanic diagnose the vehicle to pinpoint the part that needs replacement. If you need this part, you can use this link to go back to the item page and continue ordering the part at 60% off the regular price today: https://www.carparts.com/neutral-safety-switch/dorman/rb511102?can=CPAP3648_CSQA_20220913 I hope this helps. Happy shopping. Show less
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >
Q:Do you sell one that will fit?
Raylene D.
A:BEST ANSWERHi Raylene, thanks for initiating contact. I can't answer your question due to the lack of information. I suggest calling our parts specialists at 1-866-529-0412 to provide the vehicle information so we can help you look for the right part. Have a good one. Show less
Grace G.
 
5 Questions, 1 AnswerView all Q&As >