Contitech 420K5MK Serpentine Belt
OE Quality 60-Day Returns
Contitech
 Multi-V

Contitech 420K5MK Serpentine Belt

Brand Contitech 420K5MK
Position Alternator, Air Conditioning and Power Steering, Alternator and Water Pump, Alternator and Air Conditioning, Air Conditioning, and Accessory Drive
Product line Multi-V
Fits Buick, Cadillac, Chevrolet, Ford, GMC, Honda, Mazda, Mercury, Mitsubishi, Pontiac, Toyota, and Volvo · 100 vehicles

Multi-V design. Built for accessory drive belt system replacement across a wide range of applications.

Broad fitment coverage. Cataloged for many Cadillac, Chevrolet, Buick, GMC, and other vehicle platforms.

Part number 420K5MK. Use this identifier to match the correct serpentine belt in your catalog.

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Contitech Multi-V Serpentine Belt

The Contitech Multi-V serpentine belt, part number 420K5MK, is an accessory drive belt for a wide range of vehicles and engine accessory layouts. It is listed for modern Cadillac, Chevrolet, Buick, and GMC applications, along with earlier Ford, Honda, Mitsubishi, Toyota, Volvo, Mazda, Mercury, Pontiac, and Chevrolet fitments.

Key Features

  • Multi-V serpentine belt construction for accessory drive systems.
  • Fits accessory drive, alternator, air conditioning, and water pump applications where specified.
  • Broad fitment coverage across multiple makes and model years.
  • Contitech Multi-V product line for belt system replacement needs.
  • Part number 420K5MK for accurate catalog matching.

Detailed Description

Built for accessory drive service, this Contitech serpentine belt is cataloged for direct replacement use across many engine-driven accessory layouts. Applications include Fits 2019-2025 Cadillac XT4, Accessory Drive; Fits 2020-2025 Cadillac XT5, Accessory Drive; Fits 2021-2025 Cadillac XT6, Accessory Drive; Fits 2020-2025 Chevrolet Blazer, Accessory Drive; Fits 2024-2025 Chevrolet Trailblazer, Accessory Drive; Fits 2020-2025 GMC Acadia, Accessory Drive; and additional fitments across Cadillac, Buick, Chevrolet, Ford, Honda, Mazda, Mercury, Mitsubishi, Pontiac, Toyota, and Volvo models. Use part number 420K5MK when confirming the correct belt for your application.

What It Helps Address

  • Squealing or slipping accessory drive belt noise.
  • Cracked, glazed, or worn belt surfaces.
  • Loss of drive to alternator, A/C, or water pump circuits where equipped.
  • Incorrect belt length or rib configuration during replacement.
  • Routine maintenance on belt-driven accessory systems.

Installation Notes and Tips

Verify the vehicle year, make, model, and accessory-drive configuration before ordering. Match the belt routing and any notes such as Multi-V, dealer-installed A/C, or 5-rib belt requirements to the existing application. Confirm part number 420K5MK against the original belt or catalog listing before installation.

Quality Assurance

Contitech Multi-V belts are cataloged for OE-style belt system replacement across a broad range of applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Related reading

This part fits 100 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2025CadillacXT4—2.0LL4—Accessory DriveMulti-V
2025CadillacXT5—2.0LL4—Accessory DriveMulti-V
2025CadillacXT6—2.0LL4—Accessory DriveMulti-V
2025ChevroletBlazer—2.0LL4—Accessory DriveMulti-V
2025ChevroletTrailblazer—1.2LL3—Accessory DriveMulti-V
2025GMCAcadia—2.5LL4—Accessory DriveMulti-V
2024BuickEnvision—2.0LL4—Accessory DriveMulti-V
2024CadillacXT4—2.0LL4—Accessory DriveMulti-V
2024CadillacXT5—2.0LL4—Accessory DriveMulti-V
2024CadillacXT6—2.0LL4—Accessory DriveMulti-V
2024ChevroletBlazer—2.0LL4—Accessory DriveMulti-V
2024ChevroletTrailblazer—1.2LL3—Accessory DriveMulti-V
2024GMCAcadia—2.5LL4—Accessory DriveMulti-V
2023BuickEnvision—2.0LL4—Accessory DriveMulti-V
2023CadillacXT4—2.0LL4—Accessory DriveMulti-V
2023CadillacXT5—2.0LL4—Accessory DriveMulti-V
2023CadillacXT6—2.0LL4—Accessory DriveMulti-V
2023ChevroletBlazer—2.0LL4—Accessory DriveMulti-V
2023GMCAcadia—2.0LL4—Accessory DriveMulti-V
2022BuickEnvision—2.0LL4—Accessory DriveMulti-V
2022CadillacCT4—2.0LL4—Accessory DriveMulti-V
2022CadillacCT5—2.0LL4—Accessory DriveMulti-V
2022CadillacXT4—2.0LL4—Accessory DriveMulti-V
2022CadillacXT5—2.0LL4—Accessory DriveMulti-V
2022CadillacXT6—2.0LL4—Accessory DriveMulti-V
2022ChevroletBlazer—2.0LL4—Accessory DriveMulti-V
2022GMCAcadia—2.0LL4—Accessory DriveMulti-V
2021BuickEnvision—2.0LL4—Accessory DriveMulti-V
2021CadillacCT4—2.0LL4—Accessory DriveMulti-V
2021CadillacCT5—2.0LL4—Accessory DriveMulti-V
2021CadillacXT4—2.0LL4—Accessory DriveMulti-V
2021CadillacXT5—2.0LL4—Accessory DriveMulti-V
2021CadillacXT6—2.0LL4—Accessory DriveMulti-V
2021ChevroletBlazer—2.0LL4—Accessory DriveMulti-V
2021GMCAcadia—2.0LL4—Accessory DriveMulti-V
2020CadillacCT4—2.0LL4—Accessory DriveMulti-V
2020CadillacCT5—2.0LL4—Accessory DriveMulti-V
2020CadillacXT4—2.0LL4—Accessory DriveMulti-V
2020CadillacXT5—2.0LL4—Accessory DriveMulti-V
2020ChevroletBlazer—2.0LL4—Accessory DriveMulti-V
2020GMCAcadia—2.0LL4—Accessory DriveMulti-V
2019CadillacCT6—2.0LL4GASAccessory DriveMulti-V
2019CadillacXT4—2.0LL4—Accessory DriveMulti-V
2018CadillacCT6—2.0LL4GASAccessory DriveMulti-V
2002MitsubishiMirage—1.5LL4—Air Conditioning and Power SteeringMulti-V; W/AC
2002VolvoVNL—14.0LL6—AlternatorMulti-V
2002VolvoVNM—14.0LL6—AlternatorMulti-V
2001MitsubishiMirage—1.5LL4—Air Conditioning and Power SteeringMulti-V; W/AC
2001VolvoVNL—14.0LL6—AlternatorMulti-V
2001VolvoVNM—14.0LL6—AlternatorMulti-V
2000MitsubishiMirage—1.5LL4—Air ConditioningMulti-V
2000VolvoVNL—14.0LL6—AlternatorMulti-V
2000VolvoVNM—14.0LL6—AlternatorMulti-V
1999MitsubishiMirage—1.5LL4—Air ConditioningMulti-V
1998MitsubishiMirage—1.5LL4—Air ConditioningMulti-V
1997MitsubishiMirage—1.5LL4—Air ConditioningMulti-V
1996HondaPreludeS2.2LL4—Alternator and Air ConditioningMulti-V
1996HondaPrelude—2.3LL4—Alternator and Air ConditioningMulti-V
1995HondaPreludeS2.2LL4—Alternator and Air ConditioningMulti-V
1995HondaPrelude—2.3LL4—Alternator and Air ConditioningMulti-V
1994HondaPrelude—2.3LL4—AlternatorMulti-V; Exc. AC
1993HondaPrelude—2.3LL4—AlternatorMulti-V; Exc. AC
1992FordProbe—2.2LL4—Air Conditioning and Power SteeringMulti-V
1992FordTaurus—3.0LV6—Alternator and Water PumpMulti-V
1992MercurySable—3.0LV6—AlternatorMulti-V
1991FordProbe—2.2LL4—Air Conditioning and Power SteeringMulti-V
1991FordTaurus—3.0LV6—AlternatorMulti-V
1991MercurySable—3.0LV6—AlternatorMulti-V
1990FordProbe—2.2LL4—Air Conditioning and Power SteeringMulti-V
1990FordTaurus—3.0LV6—AlternatorMulti-V
1990MercurySable—3.0LV6—AlternatorMulti-V
1989FordProbe—2.2LL4—Air Conditioning and Power SteeringMulti-V
1989FordTaurus—3.0LV6—AlternatorMulti-V
1989MercurySable—3.0LV6—AlternatorMulti-V
1988ChevroletNova—1.6LL4—Air Conditioning and Power SteeringMulti-V
1988FordTaurus—3.0LV6—Alternator and Water PumpMulti-V
1988MercurySable—3.0LV6—AlternatorMulti-V
1988ToyotaCorollaFX161.6LL4—Air Conditioning and Power SteeringMulti-V
1988ToyotaCorollaFX16 GTS1.6LL4—Air Conditioning and Power SteeringMulti-V
1987ChevroletCamaro—5.0LV8—Alternator and Water PumpMulti-V
1987ChevroletCamaro—5.7LV8—Alternator and Water PumpMulti-V
1987FordTaurus—3.0LV6—AlternatorMulti-V; w/ 5-Rib Belt
1987MercurySable—3.0LV6—AlternatorMulti-V; (5 Rib Belt)
1987PontiacFirebird—5.0LV8—Alternator and Water PumpMulti-V
1987PontiacFirebird—5.7LV8—Alternator and Water PumpMulti-V
1987ToyotaCorollaSport GTS1.6LL4—Air Conditioning and Power SteeringMulti-V; w/ 42" Belt
1987ToyotaCorollaFX161.6LL4—Air Conditioning and Power SteeringMulti-V
1987ToyotaCorollaFX16 GTS1.6LL4—Air Conditioning and Power SteeringMulti-V
1986FordEXP—1.9LL4—Alternator and Air ConditioningMulti-V; w/ Dealer-installed AC; exc. Sankyo Comp.
1986ToyotaCorollaSport GTS1.6LL4—Air Conditioning and Power SteeringMulti-V; w/ 42" Belt
1985Mazda626—2.0LL4GASAir Conditioning and Power SteeringMulti-V
1985ToyotaCorollaSport GTS1.6LL4—Air Conditioning and Power SteeringMulti-V
1984Mazda626—2.0LL4GASAir Conditioning and Power SteeringMulti-V
1983FordEscort—1.6LL4—Alternator and Air ConditioningMulti-V; W/Dealer Installed AC
1983FordEXP—1.6LL4—Alternator and Air ConditioningMulti-V; W/Dealer Installed AC
1983Mazda626—2.0LL4GASAir Conditioning and Power SteeringMulti-V
1982FordEscort—1.6LL4—Alternator and Air ConditioningMulti-V; W/Dealer Installed AC
1982FordEXP—1.6LL4—Alternator and Air ConditioningMulti-V; W/Dealer Installed AC
1981FordEscort—1.6LL4—Alternator and Air ConditioningMulti-V; W/Dealer Installed AC
1981MercuryLynx—1.6LL4—N/AMulti-V; W/Dealer Installed AC