TYC 20129 A/C Compressor
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TYC 20129 A/C Compressor

Brand TYC 20129
Refrigerant Type R134a or r1234yf
Coil Voltage 12v
Connector Type 2 pin
Electronic Control Valve Yes
Notes 1 2 year warranty
O-ring Quantity 2
Oil Quantity 1 oz
Oiling Type Pag46yf
Pully Wheel Grooves 4
Fits Cadillac, Chevrolet, and GMC · 72 vehicles

R134a or R1234yf. Compatible with either common refrigerant type.

12V coil voltage. Built for standard electrical systems.

Electronic control valve. Provides precise compressor control.

Cross-references Four Seasons 168343, Global Parts Distributors LLC 6513420 and 85652444 for the same application. See all 5.

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TYC 20129 A/C Compressor for GM Trucks and SUVs

The TYC 20129 A/C compressor is built for late-model GM full-size trucks and SUVs that use R134a or R1234yf refrigerant. It features a 12V coil, 2-pin connector, electronic control valve, and PAG46YF oiling type for direct-fit service on the listed applications.

Key Features

  • Part number: TYC 20129
  • Refrigerant type: R134a or R1234yf
  • 12V coil voltage with 2-pin connector
  • Electronic control valve included
  • 4-groove pulley wheel
  • Oiling type: PAG46YF
  • Oil quantity: 1 oz
  • O-ring quantity: 2
  • 2-year warranty

Detailed Description

This A/C compressor is a fit for a wide range of GM applications, including 2019-2026 Chevrolet Silverado 1500, 2020-2026 Chevrolet Silverado 2500 HD, 2019-2026 GMC Sierra 1500, 2021-2025 Chevrolet Tahoe, 2021-2025 GMC Yukon XL, 2021-2024 Cadillac Escalade, and related Silverado, Sierra, Yukon, and Escalade models listed in the fitment data. The TYC 20129 is specified for vehicles using either R134a or R1234yf refrigerant and uses an electronic control valve for system operation. This part cross-references Four Seasons 168343 for the same application.

What It Helps Address

  • Loss of cabin cooling from a worn or failed compressor
  • Compressor clutch or control issues tied to the A/C drive system
  • Refrigerant circulation problems that reduce vent temperature
  • Noise or rough operation from an aging compressor assembly
  • Service replacement needs on GM Silverado, Sierra, Tahoe, Yukon, and Escalade platforms

Installation Notes and Tips

Verify refrigerant type, connector style, pulley groove count, and control-valve configuration before installation. Confirm the vehicle uses the listed 12V, 2-pin electrical setup and follow the correct oil and refrigerant service procedures for the application. Always inspect the system for contamination, leaks, and related component wear before returning the A/C system to service.

Quality Assurance

TYC 20129 includes a 2-year warranty. It is built to match the listed GM fitments and compressor specifications for service on 2019-2026 Chevrolet Silverado 1500, 2020-2026 Chevrolet Silverado 2500 HD, and related Chevrolet, GMC, and Cadillac models.

Related reading

This part fits 72 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersFuel TypeNotes
2026ChevroletSilverado 1500LT Trail BossCrew Cab Pickup5.3LV8——
2026ChevroletSilverado 2500 HDLTStandard Cab Pickup——GAS—
2026GMCSierra 1500SLECrew Cab Pickup5.3LV8——
2025ChevroletSilverado 1500Custom Trail BossCrew Cab Pickup5.3LV8——
2025ChevroletSilverado 2500 HDCustomExtended Cab Pickup——GAS—
2025ChevroletSuburbanHigh CountrySport Utility6.2LV8——
2025ChevroletTahoeSSVSport Utility5.3LV8——
2025GMCSierra 1500DenaliCrew Cab Pickup6.2LV8——
2025GMCYukon XLAT4Sport Utility5.3LV8——
2024CadillacEscaladeVSport Utility6.2LV8——
2024CadillacEscalade ESVPremium LuxurySport Utility6.2LV8——
2024ChevroletSilverado 1500LT Trail BossCrew Cab Pickup5.3LV8——
2024ChevroletSilverado 2500 HDZR2Crew Cab Pickup6.6LV8GAS—
2024ChevroletSilverado 3500 HDLTZCrew Cab Pickup6.6LV8GAS—
2024ChevroletSuburbanHigh CountrySport Utility6.2LV8——
2024ChevroletTahoePoliceSport Utility5.3LV8——
2024GMCSierra 1500SLECrew Cab Pickup5.3LV8——
2024GMCSierra 2500 HDProCrew Cab Pickup6.6LV8FLEX—
2024GMCSierra 3500 HDProStandard Cab Pickup6.6LV8FLEX—
2024GMCYukonSLTSport Utility5.3LV8——
2024GMCYukon XLDenaliSport Utility6.2LV8——
2023CadillacEscaladeLuxurySport Utility6.2LV8——
2023CadillacEscalade ESVVSport Utility6.2LV8——
2023ChevroletCheyenneHigh CountryCrew Cab Pickup6.2LV8——
2023ChevroletSilverado 1500LTCrew Cab Pickup5.3LV8——
2023ChevroletSilverado 2500 HDCustomCrew Cab Pickup6.6LV8GAS—
2023ChevroletSilverado 3500 HDHigh CountryCrew Cab Pickup6.6LV8GAS—
2023ChevroletSuburbanCommercialSport Utility5.3LV8——
2023ChevroletTahoePremierSport Utility5.3LV8——
2023GMCSierra 1500AT4Crew Cab Pickup6.2LV8——
2023GMCSierra 2500 HDSLECrew Cab Pickup6.6LV8GAS—
2023GMCSierra 3500 HDProExtended Cab Pickup6.6LV8FLEX—
2023GMCYukonDenaliSport Utility6.2LV8——
2023GMCYukon XLAT4Sport Utility6.2LV8——
2022CadillacEscaladePremium Luxury PlatinumSport Utility6.2LV8——
2022CadillacEscalade ESVSportSport Utility6.2LV8——
2022ChevroletCheyenneHigh CountryCrew Cab Pickup6.2LV8——
2022ChevroletSilverado 1500Custom Trail BossCrew Cab Pickup5.3LV8——
2022ChevroletSilverado 1500 LTDWTCrew Cab Pickup5.3LV8——
2022ChevroletSilverado 2500 HDWTStandard Cab Pickup6.6LV8GAS—
2022ChevroletSilverado 3500 HDWTCrew Cab Pickup6.6LV8FLEX—
2022ChevroletSuburbanPremierSport Utility6.2LV8——
2022ChevroletTahoeLTSport Utility5.3LV8——
2022GMCSierra 1500DenaliCrew Cab Pickup6.2LV8——
2022GMCSierra 1500 LimitedProCrew Cab Pickup5.3LV8——
2022GMCSierra 2500 HDProCrew Cab Pickup6.6LV8FLEX—
2022GMCSierra 3500 HDDenaliCrew Cab Pickup6.6LV8GAS—
2022GMCYukonSLESport Utility5.3LV8——
2022GMCYukon XLSLESport Utility5.3LV8——
2021CadillacEscaladeSport PlatinumSport Utility6.2LV8——
2021CadillacEscalade ESVSport PlatinumSport Utility6.2LV8——
2021ChevroletCheyenneLTStandard Cab Pickup5.3LV8——
2021ChevroletSilverado 1500High CountryCrew Cab Pickup5.3LV8——
2021ChevroletSilverado 2500 HDWTStandard Cab Pickup6.6LV8GAS—
2021ChevroletSilverado 3500 HDWTExtended Cab Pickup6.6LV8FLEX—
2021ChevroletSuburbanLTSport Utility5.3LV8——
2021ChevroletTahoeLTSport Utility5.3LV8——
2021GMCSierra 1500SLTCrew Cab Pickup5.3LV8——
2021GMCSierra 2500 HDBaseCrew Cab Pickup6.6LV8FLEX—
2021GMCSierra 3500 HDSLEExtended Cab Pickup6.6LV8GAS—
2021GMCYukonSLESport Utility5.3LV8——
2021GMCYukon XLSLESport Utility5.3LV8——
2020ChevroletCheyenneLTZCrew Cab Pickup5.3LV8——
2020ChevroletSilverado 1500WT Doble CabinaCrew Cab Pickup4.3LV6——
2020ChevroletSilverado 2500 HDWTStandard Cab Pickup6.6LV8GAS—
2020ChevroletSilverado 3500 HDLTZCrew Cab Pickup6.6LV8GAS—
2020GMCSierra 1500AT4Extended Cab Pickup6.2LV8——
2020GMCSierra 2500 HDSLEStandard Cab Pickup6.6LV8GAS—
2020GMCSierra 3500 HDSLEStandard Cab Pickup6.6LV8GAS—
2019ChevroletCheyenneCustom Trail BossCrew Cab Pickup5.3LV8——
2019ChevroletSilverado 1500High CountryCrew Cab Pickup6.2LV8——
2019GMCSierra 1500SLECrew Cab Pickup5.3LV8——
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 168343Global Parts Distributors LLC — 65134208565244485652452CO 11597C