Home› Air and Fuel Delivery > Relays› Standard Ignition RY-121 Throttle Lever Actuator Relay
Standard Ignition RY-121 Throttle Lever Actuator RelayOE Quality 60-Day Returns
Standard Ignition RY-121 Throttle Lever Actuator Relay - view 1
Standard Ignition RY-121 Throttle Lever Actuator Relay - view 2
Standard Ignition RY-121 Throttle Lever Actuator Relay - view 3
Standard Ignition RY-121 Throttle Lever Actuator Relay - view 4
Standard Ignition RY-121 Throttle Lever Actuator Relay - view 5
Standard Ignition RY-121 Throttle Lever Actuator Relay - view 6
Standard Ignition RY-121 Throttle Lever Actuator Relay - view 7
Part #: RY-121

Standard Ignition RY-121 Throttle Lever Actuator Relay

⚙️ 351 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$25.91Free 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
🚗Fitment: Oldsmobile, Pontiac, Chevrolet, Buick, Cadillac, and GMC, Intrigue, LeMans, Silhouette, Cutlass Supreme, Tempest, Camaro, Firebird, Century, Cimarron, Cavalier, Caprice, Celebrity, Cutlass, Cutlass Ciera, Firenza, 6000, Skyhawk, Astro, C10, C20, C30, K10, K20, K30, C1500, C2500, K1500, K2500, K3500, Safari, Cutlass Salon, Sunbird, Skylark, Citation, C3500, J2000 Sunbird, Citation II, Omega, and Phoenix
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Throttle Lever Actuator Relay options

Reliable Throttle Lever Actuator Relay for Select GM and Ford Vehicles

The Standard Ignition RY-121 Throttle Lever Actuator Relay is engineered to provide dependable relay function for various Buick, Chevrolet, Ford, and other compatible models. Designed with a 30 amp rating and a 12-volt system, this relay ensures consistent performance in air and fuel delivery systems.

  • 30 amp amperage rating for robust electrical load handling
  • Female rectangular connector with one connector for secure fit
  • Includes mounting bracket(s) for easy installation
  • Five male blade terminals for reliable electrical connections
  • Designed for 12-volt vehicle electrical systems
  • Continuous duty: No, suitable for intermittent relay operation

Technical Details and Compatibility

The RY-121 relay from Standard Ignition is a throttle lever actuator relay designed to meet the electrical demands of various air and fuel delivery systems. It features a female rectangular connector and five male blade terminals, ensuring compatibility with the original equipment wiring harnesses. The included mounting bracket(s) facilitate secure and stable installation in the engine compartment. This relay operates at 12 volts and supports a 30 amp load, making it suitable for throttle control applications in vehicles such as the Chevrolet Camaro, Ford F-150, Buick LaCrosse, and Cadillac Escalade, among others.

Compatible Makes and Models

This relay is compatible with a wide range of vehicles including Buick, Cadillac, Chevrolet, Ford, GMC, Lincoln, Mercury, Oldsmobile, and Pontiac. Specific models include the Chevrolet Impala, Ford Explorer, Buick Regal, Cadillac XT5, and Pontiac Grand Prix, covering various years and trims. The Standard Ignition RY-121 is a direct replacement part designed to maintain factory specifications and ensure proper throttle lever actuator relay function.

Common Applications and Issues Addressed

  • Intermittent throttle response or failure to engage throttle lever actuator
  • Electrical relay failure causing engine performance issues
  • Faulty relay leading to inconsistent air and fuel delivery
  • Replacement for damaged or worn throttle lever actuator relays
  • Restoring proper relay function in compatible Buick, Chevrolet, and Ford vehicles

Installation Notes and Tips

Before installation, disconnect the vehicle battery to prevent electrical shorts. Ensure the mounting bracket is securely fastened to avoid relay movement during operation. Verify the connector orientation matches the original relay to prevent wiring errors. The RY-121 relay’s blade terminals should be checked for corrosion or damage before installation. Professional installation is recommended for optimal performance and safety.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards. The RY-121 throttle lever actuator relay undergoes rigorous quality control to ensure durability and reliable operation. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.

BrandStandard Ignition
Part NumberRY-121
Amperage Rating30 A
Connector GenderFemale
Connector ShapeRectangular
ContentsRelay
Continuous DutyNo
FunctionsRelay
Mounting Bracket(s) IncludedYes
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 351 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2024ChevroletMalibuN/A
2022BuickEncoreN/A
2022ChevroletTraxN/A
2021BuickEncoreN/A
2021ChevroletTraxN/A
2020BuickEncoreN/A
2020ChevroletTraxN/A
2019BuickCascadaN/A
2019BuickEncoreN/A
2019ChevroletTraxN/A
2018BuickCascadaN/A
2018BuickEncoreN/A
2018ChevroletTraxN/A
2017BuickCascadaN/A
2017BuickEncoreN/A
2017BuickRegalN/A
2017CadillacXT5N/A
2017ChevroletTraxN/A
2017GMCAcadiaN/A
2016BuickCascadaN/A
2016BuickLaCrosseN/A
2016BuickRegalN/A
2016ChevroletImpalaN/A
2016ChevroletMalibu LimitedN/A
2016ChevroletTraxN/A
2015BuickLaCrosseN/A
2015BuickRegalN/A
2015ChevroletImpalaN/A
2015ChevroletMalibuN/A
2015ChevroletTraxN/A
2015FordFocusN/A
2014BuickLaCrosseN/A
2014BuickRegalN/A
2014ChevroletImpalaN/A
2014ChevroletMalibuN/A
2014ChevroletTrax1.4LL4N/A
2014FordFocusN/A
2013BuickLaCrosseN/A
2013BuickRegalN/A
2013ChevroletMalibuN/A
2013ChevroletTrax1.4LL4N/A
2013FordFocusN/A
2013FordTransit ConnectN/A
2012BuickLaCrosseN/A
2012BuickRegalN/A
2012BuickVeranoN/A
2012FordFocusN/A
2012FordFusionN/A
2012FordTransit ConnectN/A
2011BuickLaCrosseN/A
2011BuickRegalN/A
2011FordExpedition5.4LV8N/A
2011FordF-350 Super DutyN/A
2011FordFiesta1.6LL4N/A
2011FordFlex3.5LV6N/A
2011FordFocus2.0LL4N/A
2011FordFusionN/A
2011FordTransit ConnectN/A
2011LincolnMKZN/A
2010BuickAllureN/A
2010BuickLaCrosseN/A
2010FordE-150N/A
2010FordE-250N/A
2010FordEdgeN/A
2010FordExpedition5.4LV8N/A
2010FordExplorer4.0LV6N/A
2010FordF-350 Super Duty6.8LV10N/A
2010FordFlex3.5LV6N/A
2010FordFusionN/A
2010FordTransit ConnectN/A
2010LincolnMKX3.5LV6N/A
2010LincolnMKZN/A
2010LincolnNavigator5.4LV8N/A
2010MercuryMarinerN/A
2010MercuryMilan2.5LL4N/A
2009FordCrown VictoriaN/A
2009FordE-150N/A
2009FordE-250N/A
2009FordEdgeN/A
2009FordExpedition5.4LV8N/A
2009FordExplorer4.0LV6N/A
2009FordFlex3.5LV6N/A
2009FordFocus2.0LL4N/A
2009FordFusionN/A
2009LincolnMKX3.5LV6N/A
2009LincolnMKZN/A
2009LincolnNavigator5.4LV8N/A
2009MercuryMarinerN/A
2009MercuryMilanN/A
2008FordCrown VictoriaN/A
2008FordE-150N/A
2008FordE-250N/A
2008FordEdgeN/A
2008FordEscapeN/A
2008FordExpeditionN/A
2008FordExplorerN/A
2008FordExplorer Sport TracN/A
2008FordF-150N/A
2008FordF-250 Super DutyN/A
2008FordF-350 Super DutyN/A
2008FordFocusN/A
2008FordFusionN/A
2008LincolnMark LTN/A
2008LincolnMKX3.5LV6N/A
2008LincolnMKZN/A
2008MercuryGrand MarquisN/A
2008MercuryMarinerN/A
2008MercuryMilanN/A
2008MercuryMountaineerN/A
2008MercurySableN/A
2007FordCrown VictoriaN/A
2007FordE-150N/A
2007FordE-250N/A
2007FordEdgeN/A
2007FordEscapeN/A
2007FordExpeditionN/A
2007FordExplorerN/A
2007FordExplorer Sport TracN/A
2007FordF-150N/A
2007FordF-250 Super DutyN/A
2007FordF-350 Super DutyN/A
2007FordFive HundredN/A
2007FordFocusN/A
2007FordFreestarN/A
2007FordFreestyleN/A
2007FordFusionN/A
2007FordTaurusN/A
2007LincolnMark LTN/A
2007LincolnMKX3.5LV6N/A
2007LincolnMKZN/A
2007MercuryGrand MarquisN/A
2007MercuryMarinerN/A
2007MercuryMilanN/A
2007MercuryMontegoN/A
2007MercuryMountaineerN/A
2006FordE-150N/A
2006FordE-250N/A
2006FordEscapeN/A
2006FordExpeditionN/A
2006FordExplorerN/A
2006FordF-150N/A
2006FordF-250 Super DutyN/A
2006FordF-350 Super DutyN/A
2006FordFive HundredN/A
2006FordFocusN/A
2006FordFreestarN/A
2006FordFreestyleN/A
2006FordFusionN/A
2006FordTaurusN/A
2006LincolnMark LTN/A
2006LincolnNavigatorN/APhysical Comparison Required
2006LincolnZephyrN/A
2006MercuryMarinerN/A
2006MercuryMilanN/A
2006MercuryMontegoN/A
2006MercuryMountaineerN/A
2005FordE-150N/A
2005FordE-150 Club WagonN/A
2005FordE-250N/A
2005FordE-350 Club WagonN/A
2005FordExpeditionN/A
2005FordExplorerN/A
2005FordExplorer Sport TracN/A
2005FordF-150N/A
2005FordF-250 Super DutyN/A
2005FordF-350 Super DutyN/A
2005FordFive HundredN/A
2005FordFocusN/A
2005FordFreestarN/A
2005FordFreestyleN/A
2005FordTaurusN/A
2005LincolnNavigatorN/APhysical Comparison Required
2005MercuryGrand MarquisN/A
2005MercuryMontegoN/A
2005MercuryMountaineerN/A
2005MercurySableN/A
2004FordE-150N/A
2004FordE-150 Club WagonN/A
2004FordE-250N/A
2004FordE-350 Club WagonN/A
2004FordE-350 Super DutyN/A
2004FordExpeditionN/A
2004FordExplorerN/A
2004FordExplorer Sport TracN/A
2004FordF-150N/A
2004FordF-150 HeritageN/A
2004FordF-250 Super DutyN/A
2004FordF-350 Super DutyN/A
2004FordFocusN/A
2004FordFreestarN/A
2004FordGrand MarquisN/A
2004LincolnNavigatorN/APhysical Comparison Required
2004MercuryGrand MarquisN/A
2004MercuryMountaineerN/A
2003FordExpeditionN/A
2003FordExplorerN/A
2003FordExplorer Sport TracN/A
2003FordGrand MarquisN/A
2003FordWindstar3.8LV6N/A
2003LincolnNavigatorN/APhysical Comparison Required
2003LincolnTown CarN/A
2003MercuryGrand MarquisN/A
2003MercuryMountaineerN/A
2002FordExplorerN/A
2002FordExplorer Sport TracN/A
2002FordFocusN/A
2002FordWindstar3.8LV6N/A
2002LincolnNavigatorN/APhysical Comparison Required
2002MercuryGrand MarquisN/A
2002MercuryMountaineerN/A
2002OldsmobileIntrigueN/A
2001FordFocusN/A
2001FordWindstarN/A
2001MercuryGrand MarquisN/A
2001OldsmobileIntrigueN/A
2000FordWindstarN/A
2000MercuryGrand MarquisN/A
2000OldsmobileIntrigueN/A
1999FordWindstarN/A
1999MercuryGrand MarquisN/A
1999OldsmobileIntrigue3.5LV6N/A
1998FordWindstarN/A
1998MercuryGrand MarquisN/A
1993PontiacLeMansN/A
1992PontiacLeMansN/A
1991OldsmobileSilhouetteN/A
1991PontiacLeMansN/A
1990OldsmobileCutlass SupremeN/A
1990OldsmobileSilhouetteN/A
1990PontiacLeMansN/A
1990PontiacTempestN/A
1989ChevroletCamaro2.8LV6N/A
1989ChevroletCamaroN/A
1989ChevroletCamaroN/AStamping No. 10094701
1989OldsmobileCutlass SupremeN/A
1989PontiacFirebird2.8LV6N/A
1989PontiacFirebirdN/A
1989PontiacLeMansN/A
1989PontiacTempestN/A
1988BuickCenturyN/A5 Term ABS Relay
1988BuickCenturyN/A
1988CadillacCimarronN/A
1988ChevroletCamaro2.8LV6N/A
1988ChevroletCamaroN/A
1988ChevroletCamaroN/AStamping No. 10094701
1988ChevroletCavalierN/A
1988OldsmobileCutlass SupremeN/A
1988PontiacFirebird2.8LV6N/A
1988PontiacFirebirdN/A
1988PontiacLeMansN/A
1987BuickCenturyN/A5 Term ABS Relay
1987BuickCenturyN/A
1987CadillacCimarronN/A
1987ChevroletCamaro2.8LV6N/A
1987ChevroletCamaroN/A
1987ChevroletCamaro5.0LV8N/A
1987ChevroletCamaroN/AStamping No. 10094701
1987ChevroletCamaro5.0LV8N/ALever Actuator
1987ChevroletCaprice5.0LV8N/ALever Actuator
1987ChevroletCavalierN/A
1987ChevroletCelebrity2.8LV6N/A
1987OldsmobileCutlassN/A
1987OldsmobileCutlass Ciera2.8LV6N/A
1987OldsmobileCutlass SupremeN/A
1987OldsmobileFirenzaN/A
1987Pontiac60002.8LV6N/A
1987PontiacFirebird2.8LV6N/A
1987PontiacFirebirdN/A
1986BuickCentury2.8LV6N/A
1986BuickSkyhawk2.0LL4N/A
1986CadillacCimarronN/A
1986ChevroletAstro4.3LV6N/A
1986ChevroletAstro4.3LV6N/AHVAC Blower Motor Resistor Harness with AC - Voltage Regulator
1986ChevroletC10N/A
1986ChevroletC104.3LV6N/A
1986ChevroletC20N/A
1986ChevroletC204.3LV6N/A
1986ChevroletC30N/A
1986ChevroletCamaro2.8LV6N/A
1986ChevroletCamaro5.0LV8N/A
1986ChevroletCamaroN/A
1986ChevroletCamaroN/AStamping No. 10094701
1986ChevroletCaprice5.0LV8N/ALever Actuator
1986ChevroletCavalierN/A
1986ChevroletCelebrity2.8LV6N/A
1986ChevroletK10N/A
1986ChevroletK104.3LV6N/A
1986ChevroletK20N/A
1986ChevroletK30N/A
1986GMCC15004.3LV6N/A
1986GMCC2500N/A
1986GMCC25004.3LV6N/A
1986GMCK15004.3LV6N/A
1986GMCK2500N/A
1986GMCK35004.8LL6N/A
1986GMCSafari4.3LV6N/A
1986GMCSafari4.3LV6N/AHVAC Blower Motor Resistor Harness with AC - Voltage Regulator
1986OldsmobileCutlassN/A
1986OldsmobileCutlass Ciera2.8LV6N/A
1986OldsmobileCutlass SalonN/A
1986OldsmobileCutlass SupremeN/A
1986Pontiac6000N/A
1986Pontiac60002.8LV6N/A
1986PontiacFirebird2.8LV6N/A
1986PontiacFirebirdN/A
1986PontiacFirebird5.0LV8N/A
1986PontiacSunbird2.0LL4N/A
1985BuickCentury4.3LV6N/A
1985BuickCentury2.8LV6N/A
1985BuickSkylark2.8LV6N/A
1985CadillacCimarronN/A
1985ChevroletAstro4.3LV6N/A
1985ChevroletAstro4.3LV6N/AHVAC Blower Motor Resistor Harness with AC - Voltage Regulator
1985ChevroletC10N/A
1985ChevroletC104.3LV6N/A
1985ChevroletC20N/A
1985ChevroletC204.3LV6N/A
1985ChevroletC30N/A
1985ChevroletCamaro2.8LV6N/A
1985ChevroletCavalierN/A
1985ChevroletCavalier2.8LV6N/A
1985ChevroletCelebrity2.8LV6N/A
1985ChevroletCitation2.8LV6N/A
1985ChevroletK10N/A
1985ChevroletK104.3LV6N/A
1985ChevroletK20N/A
1985ChevroletK204.3LV6N/A
1985ChevroletK30N/A
1985GMCC1500N/A
1985GMCC15004.3LV6N/A
1985GMCC2500N/A
1985GMCC25004.3LV6N/A
1985GMCC3500N/A
1985GMCK15004.3LV6N/A
1985GMCK25004.3LV6N/A
1985GMCK3500N/A
1985GMCSafari4.3LV6N/A
1985GMCSafari4.3LV6N/AHVAC Blower Motor Resistor Harness with AC - Voltage Regulator
1985OldsmobileFirenza2.8LV6N/A
1985Pontiac60002.8LV6N/A
1985Pontiac6000N/A
1985PontiacFirebird2.8LV6N/A
1985PontiacJ2000 Sunbird2.0LL4N/A
1984BuickCentury2.8LV6N/A
1984BuickSkylark2.8LV6N/A
1984ChevroletCamaro2.8LV6N/A
1984ChevroletCelebrity2.8LV6N/A
1984ChevroletCitation II2.8LV6N/A
1984OldsmobileOmega2.8LV6N/A
1984Pontiac6000N/A
1984PontiacPhoenix2.8LV6N/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:

10038792198441R12402-DR10483608356-1705AR255AR255SBAR259R3009

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