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Standard Ignition RY-383 Diesel Glow Plug RelayOE Quality 60-Day Returns
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Part #: RY-383

Standard Ignition RY-383 Diesel Glow Plug Relay

⚙️ 185 vehicles fit this part
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🚗Fitment: Chevrolet and GMC, C2500, C3500, Express 2500, Express 3500, K2500, K3500, Savana 2500, Savana 3500, C1500 Suburban, C2500 Suburban, K1500 Suburban, K2500 Suburban, P30, Tahoe, P3500, C1500, K1500, Yukon, G30, G3500, G20, G2500, and Blazer
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Reliable Diesel Glow Plug Relay for Chevrolet and GMC Vehicles

The Standard Ignition RY-383 Diesel Glow Plug Relay is designed to provide dependable relay functions for diesel engine glow plug systems. Engineered with a rectangular connector and a mounting bracket included, this relay ensures secure installation and consistent performance in select Chevrolet and GMC models.

  • Rectangular connector shape for precise fitment
  • Includes mounting bracket(s) for easy installation
  • Three male blade terminals for reliable electrical connections
  • Operates on 12-volt electrical systems
  • Compatible with multiple Chevrolet and GMC diesel models

Product Details and Specifications

This diesel glow plug relay, part number RY-383, features a robust design with three male blade terminals that provide secure and efficient electrical contact. The rectangular connector shape aligns with factory specifications, ensuring compatibility and ease of replacement. The included mounting bracket(s) facilitate proper positioning within the engine compartment, reducing installation time and improving stability. Operating at 12 volts, this relay is suitable for diesel glow plug systems in various Chevrolet and GMC vehicles, including Blazer, C1500, C2500, C3500, Express 2500/3500, G20, G30, K1500, K2500, K3500, P30, P3500, Savana 2500/3500, Tahoe, and Yukon models.

Applications and Common Issues Addressed

  • Ensures proper activation of diesel glow plugs for cold starts
  • Prevents glow plug system failure due to relay malfunction
  • Resolves intermittent or no glow plug operation in Chevrolet and GMC diesel trucks and SUVs
  • Eliminates electrical connection issues caused by worn or damaged terminals
  • Supports reliable engine starting performance in cold weather conditions

Installation Notes and Tips

When installing the Standard Ignition RY-383 relay, verify the rectangular connector matches the vehicle’s wiring harness. Use the included mounting bracket(s) to secure the relay firmly in place, preventing vibration-related issues. Ensure all three male blade terminals are clean and properly seated to maintain optimal electrical contact. Disconnect the battery before installation to avoid electrical shorts or damage. This relay is designed for 12-volt systems commonly found in the specified Chevrolet and GMC diesel models.

Quality Assurance and Warranty Information

Standard Ignition manufactures the RY-383 relay to meet or exceed OEM specifications for durability and performance. Each unit undergoes rigorous testing to ensure reliable operation within diesel glow plug systems. While specific warranty details may vary, Standard Ignition products typically include a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandStandard Ignition
Part NumberRY-383
Connector ShapeRectangular
FunctionsRelay
Mounting Bracket(s) IncludedYes
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 185 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2002ChevroletExpress 2500DIESELN/A
2002ChevroletExpress 3500DIESELN/A
2002GMCSavana 2500DIESELN/A
2002GMCSavana 3500DIESELN/A
2001ChevroletExpress 2500DIESELN/A
2001ChevroletExpress 3500DIESELN/A
2001GMCSavana 2500DIESELN/A
2001GMCSavana 3500DIESELN/A
2000ChevroletC2500DIESELN/A
2000ChevroletC3500DIESELN/A
2000ChevroletExpress 2500DIESELN/A
2000ChevroletExpress 3500DIESELN/A
2000ChevroletK2500DIESELN/A
2000ChevroletK3500DIESELN/A
2000GMCC2500DIESELN/A
2000GMCC3500DIESELN/A
2000GMCK2500DIESELN/A
2000GMCK3500DIESELN/A
2000GMCSavana 2500DIESELN/A
2000GMCSavana 3500DIESELN/A
1999ChevroletC1500 SuburbanDIESELN/A
1999ChevroletC2500DIESELN/A
1999ChevroletC2500 SuburbanDIESELN/A
1999ChevroletC3500DIESELN/A
1999ChevroletExpress 2500DIESELN/A
1999ChevroletExpress 3500DIESELN/A
1999ChevroletK1500 SuburbanDIESELN/A
1999ChevroletK2500DIESELN/A
1999ChevroletK2500 SuburbanDIESELN/A
1999ChevroletK3500DIESELN/A
1999ChevroletP30DIESELN/A3 Terminal Manifold Absolute Pressure Sensor
1999ChevroletTahoeDIESELN/A
1999GMCC1500 SuburbanDIESELN/A
1999GMCC2500DIESELN/A
1999GMCC2500 SuburbanDIESELN/A
1999GMCC3500DIESELN/A
1999GMCK1500 SuburbanDIESELN/A
1999GMCK2500DIESELN/A
1999GMCK2500 SuburbanDIESELN/A
1999GMCK3500DIESELN/A
1999GMCP3500DIESELN/A
1999GMCSavana 2500DIESELN/ACompatible with vehicles equipped with Federal Emissions.
1999GMCSavana 3500DIESELN/ACompatible with vehicles equipped with Federal Emissions.
1998ChevroletC1500DIESELN/A
1998ChevroletC1500 SuburbanDIESELN/A
1998ChevroletC2500DIESELN/A
1998ChevroletC2500 SuburbanDIESELN/A
1998ChevroletC3500DIESELN/A
1998ChevroletExpress 2500DIESELN/A
1998ChevroletExpress 3500DIESELN/A
1998ChevroletK1500DIESELN/A
1998ChevroletK1500 SuburbanDIESELN/A
1998ChevroletK2500DIESELN/A
1998ChevroletK2500 SuburbanDIESELN/A
1998ChevroletK3500DIESELN/A
1998ChevroletP30DIESELN/A3 Terminal Manifold Absolute Pressure Sensor
1998ChevroletTahoeDIESELN/A
1998GMCC1500 SuburbanDIESELN/A
1998GMCC2500DIESELN/A
1998GMCC2500 SuburbanDIESELN/A
1998GMCC3500DIESELN/A
1998GMCK1500DIESELN/A
1998GMCK1500 SuburbanDIESELN/A
1998GMCK2500DIESELN/A
1998GMCK2500 SuburbanDIESELN/A
1998GMCK3500DIESELN/A
1998GMCP3500DIESELN/A
1998GMCSavana 2500DIESELN/A
1998GMCSavana 3500DIESELN/A
1997ChevroletC1500DIESELN/A
1997ChevroletC1500 SuburbanDIESELN/A
1997ChevroletC2500DIESELN/A
1997ChevroletC2500 SuburbanDIESELN/A
1997ChevroletC3500DIESELN/A
1997ChevroletExpress 2500DIESELN/A
1997ChevroletExpress 3500DIESELN/A
1997ChevroletK1500DIESELN/A
1997ChevroletK1500 SuburbanDIESELN/A
1997ChevroletK2500DIESELN/A
1997ChevroletK2500 SuburbanDIESELN/A
1997ChevroletK3500DIESELN/A
1997ChevroletP30DIESELN/A
1997ChevroletTahoeDIESELN/A
1997GMCC1500DIESELN/A
1997GMCC1500 SuburbanDIESELN/A
1997GMCC2500DIESELN/A
1997GMCC2500 SuburbanDIESELN/A
1997GMCC3500DIESELN/A
1997GMCK1500DIESELN/A
1997GMCK1500 SuburbanDIESELN/A
1997GMCK2500DIESELN/A
1997GMCK2500 SuburbanDIESELN/A
1997GMCK3500DIESELN/A
1997GMCP3500DIESELN/A
1997GMCSavana 2500DIESELN/A
1997GMCSavana 3500DIESELN/A
1997GMCYukonDIESELN/A
1996ChevroletC15006.5LV8N/A
1996ChevroletC1500 SuburbanDIESELN/A
1996ChevroletC2500DIESELN/A
1996ChevroletC2500 SuburbanDIESELN/A
1996ChevroletC3500DIESELN/A
1996ChevroletExpress 2500DIESELN/A3 Terminal Manifold Absolute Pressure Sensor
1996ChevroletExpress 3500DIESELN/A3 Terminal Manifold Absolute Pressure Sensor
1996ChevroletG30DIESELN/A3 Terminal Manifold Absolute Pressure Sensor
1996ChevroletK1500DIESELN/A
1996ChevroletK1500 SuburbanDIESELN/A
1996ChevroletK2500DIESELN/A
1996ChevroletK2500 SuburbanDIESELN/A
1996ChevroletK3500DIESELN/A
1996ChevroletP30DIESELN/A
1996ChevroletTahoeDIESELN/A
1996GMCC15006.5LV8DIESELN/A
1996GMCC1500 SuburbanDIESELN/A
1996GMCC2500DIESELN/A
1996GMCC2500 SuburbanDIESELN/A
1996GMCC3500DIESELN/A
1996GMCG3500DIESELN/A3 Terminal Manifold Absolute Pressure Sensor
1996GMCK1500DIESELN/A
1996GMCK1500 SuburbanDIESELN/A
1996GMCK2500DIESELN/A
1996GMCK2500 SuburbanDIESELN/A
1996GMCK3500DIESELN/A
1996GMCP3500DIESELN/A
1996GMCSavana 2500DIESELN/A3 Terminal Manifold Absolute Pressure Sensor
1996GMCSavana 3500DIESELN/A3 Terminal Manifold Absolute Pressure Sensor
1996GMCYukonDIESELN/A
1995ChevroletC1500DIESELN/A
1995ChevroletC1500 SuburbanDIESELN/A
1995ChevroletC2500DIESELN/A
1995ChevroletC2500 SuburbanDIESELN/A
1995ChevroletC3500DIESELN/A
1995ChevroletG20DIESELN/A
1995ChevroletG30DIESELN/A
1995ChevroletK1500DIESELN/A
1995ChevroletK1500 SuburbanDIESELN/A
1995ChevroletK2500DIESELN/A
1995ChevroletK2500 SuburbanDIESELN/A
1995ChevroletK3500DIESELN/A
1995ChevroletP30DIESELN/A
1995ChevroletTahoeDIESELN/A
1995GMCC1500DIESELN/A
1995GMCC1500 SuburbanDIESELN/A
1995GMCC2500DIESELN/A
1995GMCC2500 SuburbanDIESELN/A
1995GMCC3500DIESELN/A
1995GMCG2500DIESELN/A
1995GMCG3500DIESELN/A
1995GMCK1500DIESELN/A
1995GMCK1500 SuburbanDIESELN/A
1995GMCK2500DIESELN/A
1995GMCK2500 SuburbanDIESELN/A
1995GMCK3500DIESELN/A
1995GMCP3500DIESELN/A
1995GMCYukonDIESELN/A
1994ChevroletBlazerDIESELN/A
1994ChevroletC1500DIESELN/A
1994ChevroletC2500DIESELN/A
1994ChevroletC2500 SuburbanDIESELN/A
1994ChevroletC3500DIESELN/A
1994ChevroletG20DIESELN/A
1994ChevroletG30DIESELN/A
1994ChevroletK1500DIESELN/A
1994ChevroletK2500DIESELN/A
1994ChevroletK2500 SuburbanDIESELN/A
1994ChevroletK3500DIESELN/A
1994ChevroletP30DIESELN/A
1994GMCC1500DIESELN/A
1994GMCC2500DIESELN/A
1994GMCC2500 SuburbanDIESELN/A
1994GMCC3500DIESELN/A
1994GMCG2500DIESELN/A
1994GMCG3500DIESELN/A
1994GMCK1500DIESELN/A
1994GMCK2500DIESELN/A
1994GMCK2500 SuburbanDIESELN/A
1994GMCK3500DIESELN/A
1994GMCP3500DIESELN/A
1994GMCYukonDIESELN/A
1993ChevroletP30DIESELN/A
1993GMCP3500DIESELN/A
1992ChevroletP30DIESELN/A
1992GMCP3500DIESELN/A
1991ChevroletP30DIESELN/A
1991GMCP3500DIESELN/A

* 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:

12088560193011R137253-21504AR579DR1095DT650007GPC1004GPC5GPR105HDC907

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