HomeBelts and Cooling > Accessory Drive Belt System ComponentsContitech 725K6MK Serpentine Belt
Part #: 725K6MK

Contitech 725K6MK Serpentine Belt

Multi-V, Air Conditioning, Alternator, Accessory Drive, Supercharger, Alternator, Water Pump and Power Steering, Air Conditioning and Power Steering, Power Steering, and Alternator and Power Steering
⚙️ 96 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Multi-V, Air Conditioning, Alternator, Accessory Drive, Supercharger, Alternator, Water Pump and Power Steering, Air Conditioning and Power Steering, Power Steering, and Alternator and Power Steering
🚗Fitment: Buick, Cadillac, Chevrolet, Ford, GMC, Mazda, Mercury, Mitsubishi, Oldsmobile, and Pontiac, 2, 88, 98, Acadia, Blazer, Bonneville, Caprice, Celebrity, Century, Cutlass Ciera, Cutlass Cruiser, Delta 88, LaCrosse, LeSabre, Outlander, Park Avenue, Regal Sportback, Sable, SS, Taurus, Vibe, XT5, and XT6
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Reliable Serpentine Belt for Select Buick, Cadillac, Chevrolet, and More

The Contitech Multi-V serpentine belt, part number 725K6MK, is designed to provide dependable performance for a range of vehicles including Buick, Cadillac, Chevrolet, Ford, GMC, Mazda, Mercury, Mitsubishi, Oldsmobile, and Pontiac models. Engineered to meet OEM specifications, this belt ensures consistent power transmission to accessory components.

  • Compatible with multiple makes and models such as Buick LaCrosse, Cadillac XT5, Chevrolet Blazer, Ford Taurus, and Pontiac Bonneville
  • Part number 725K6MK for precise identification and fitment
  • Part of the Contitech Multi-V product line, known for quality accessory drive belt components
  • Designed for use in accessory drive belt systems to maintain engine accessory function
  • Durable construction to resist wear and extend service life

About the Contitech Multi-V Product Line

The Multi-V line from Contitech focuses on serpentine belts and accessory drive belt system components engineered for reliable operation and longevity. This product line emphasizes compatibility with a wide range of vehicle makes and models, ensuring that each belt meets the specific requirements of the accessory drive system. The 725K6MK serpentine belt is part of this line, offering a balance of durability and performance for various automotive applications.

Product Details and Applications

The Contitech Multi-V serpentine belt 725K6MK is designed to transfer power efficiently from the engine crankshaft to multiple accessory components such as the alternator, power steering pump, and air conditioning compressor. This belt is compatible with vehicles including Buick LaCrosse, Cadillac XT6, Chevrolet Caprice, Ford Taurus, and Pontiac Grand Prix among others. Its construction supports consistent tension and reduces slippage, contributing to smooth engine operation.

Common Issues Addressed by This Serpentine Belt

  • Eliminates squealing noises caused by worn or damaged belts
  • Prevents accessory component failure due to belt slippage
  • Resolves power steering or alternator malfunctions linked to belt wear
  • Reduces risk of engine overheating by maintaining proper water pump function
  • Improves overall engine accessory system reliability

Installation Notes and Tips

When installing the Contitech Multi-V serpentine belt 725K6MK, ensure the belt routing matches the vehicle’s accessory drive diagram. Inspect pulleys and tensioners for wear or damage before installation. Proper tension adjustment is critical to prevent premature belt wear or slippage. Use appropriate tools to relieve tension on the belt tensioner during removal and installation.

Quality Assurance and Warranty

Contitech manufactures the Multi-V serpentine belt 725K6MK to meet stringent quality standards. While specific warranty details are not provided, Contitech products typically undergo rigorous testing to ensure durability and performance. For warranty information, refer to Contitech’s official documentation or contact the vehicle manufacturer.

This part fits 96 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2025CadillacXT53.6LV6Accessory DriveMulti-V
2025CadillacXT63.6LV6Accessory DriveMulti-V
2025ChevroletBlazer3.6LV6Accessory DriveMulti-V
2024CadillacXT53.6LV6Accessory DriveMulti-V
2024CadillacXT63.6LV6Accessory DriveMulti-V
2024ChevroletBlazer3.6LV6Accessory DriveMulti-V
2023CadillacXT53.6LV6Accessory DriveMulti-V
2023CadillacXT63.6LV6Accessory DriveMulti-V
2023ChevroletBlazer3.6LV6Accessory DriveMulti-V
2023GMCAcadia3.6LV6Accessory DriveMulti-V
2022CadillacXT53.6LV6Accessory DriveMulti-V
2022CadillacXT63.6LV6Accessory DriveMulti-V
2022ChevroletBlazer3.6LV6Accessory DriveMulti-V
2022GMCAcadia3.6LV6Accessory DriveMulti-V
2021CadillacXT53.6LV6Accessory DriveMulti-V
2021CadillacXT63.6LV6Accessory DriveMulti-V
2021ChevroletBlazer3.6LV6Accessory DriveMulti-V
2021GMCAcadia3.6LV6Accessory DriveMulti-V
2020BuickRegal Sportback3.6LV6Accessory DriveMulti-V
2020CadillacXT53.6LV6Accessory DriveMulti-V
2020CadillacXT63.6LV6Accessory DriveMulti-V
2020ChevroletBlazer3.6LV6Accessory DriveMulti-V
2020GMCAcadia3.6LV6Accessory DriveMulti-V
2019BuickLaCrosse3.6LV6Accessory DriveMulti-V
2019BuickRegal Sportback3.6LV6Accessory DriveMulti-V
2019CadillacXT53.6LV6Accessory DriveMulti-V
2019ChevroletBlazer3.6LV6Accessory DriveMulti-V
2019GMCAcadia3.6LV6Accessory DriveMulti-V
2018BuickLaCrosse3.6LV6Accessory DriveMulti-V
2018BuickRegal Sportback3.6LV6Accessory DriveMulti-V
2018CadillacXT53.6LV6Accessory DriveMulti-V
2018GMCAcadia3.6LV6Accessory DriveMulti-V
2017BuickLaCrosse3.6LV6Accessory DriveMulti-V
2017CadillacXT53.6LV6Accessory DriveMulti-V
2017ChevroletCaprice6.0LV8Alternator, Water Pump and Power SteeringMulti-V
2017ChevroletSS6.2LV8AlternatorMulti-V
2017GMCAcadia3.6LV6Accessory DriveMulti-V
2016ChevroletCaprice6.0LV8Alternator, Water Pump and Power SteeringMulti-V
2016ChevroletSS6.2LV8AlternatorMulti-V
2015ChevroletCaprice6.0LV8Alternator, Water Pump and Power SteeringMulti-V
2015ChevroletSS6.2LV8AlternatorMulti-V
2014ChevroletCaprice6.0LV8Alternator, Water Pump and Power SteeringMulti-V
2014ChevroletSS6.2LV8AlternatorMulti-V
2014Mazda21.5LL4Accessory DriveMulti-V
2013Mazda21.5LL4Accessory DriveMulti-V
2012Mazda21.5LL4Accessory DriveMulti-V
2011Mazda21.5LL4Accessory DriveMulti-V
2008PontiacVibe1.8LL4Accessory DriveMulti-V
2007PontiacVibe1.8LL4Accessory DriveMulti-V
2006PontiacVibeBase1.8LL4Accessory DriveMulti-V
2005BuickPark Avenue3.8LV6SuperchargerMulti-V
2005PontiacVibeBase1.8LL4Accessory DriveMulti-V
2004BuickPark Avenue3.8LV6SuperchargerMulti-V
2004PontiacVibeBase1.8LL4Accessory DriveMulti-V
2003BuickPark Avenue3.8LV6SuperchargerMulti-V
2003MitsubishiOutlander2.4LL4Accessory DriveMulti-V
2003PontiacBonneville3.8LV6SuperchargerReplaces 4060722; Multi-V
2003PontiacVibeBase1.8LL4Accessory DriveMulti-V
2002BuickPark Avenue3.8LV6SuperchargerMulti-V
2002PontiacBonneville3.8LV6SuperchargerReplaces 4060722; Multi-V
2001BuickPark Avenue3.8LV6SuperchargerMulti-V
2001PontiacBonneville3.8LV6SuperchargerReplaces 4060722; Multi-V
2000BuickPark Avenue3.8LV6SuperchargerMulti-V
2000PontiacBonneville3.8LV6SuperchargerReplaces 4060722; Multi-V
1999BuickPark Avenue3.8LV6SuperchargerMulti-V
1993Oldsmobile883.8LV6N/AMulti-V; Exc. AC
1992FordTaurus3.0LV6Air Conditioning and Power SteeringMulti-V; Dealer AC
1992MercurySable3.0LV6Power SteeringMulti-V; Dealer AC
1992Oldsmobile883.8LV6Accessory DriveMulti-V; Exc. AC
1991BuickLeSabre3.8LV6Accessory DriveMulti-V; Exc. AC
1991FordTaurus3.0LV6Air Conditioning and Power SteeringMulti-V; w/ Dealer AC
1991MercurySable3.0LV6Power SteeringMulti-V; Dealer AC
1991OldsmobileDelta 883.8LV6Accessory DriveMulti-V; Exc. AC
1990BuickLeSabre3.8LV6Accessory DriveMulti-V; Exc. AC
1990FordTaurus3.0LV6Air Conditioning and Power SteeringMulti-V; W/Dealer Installed AC
1990MercurySable3.0LV6Air Conditioning and Power SteeringMulti-V; W/Dealer Installed AC
1990OldsmobileDelta 883.8LV6Accessory DriveMulti-V; Exc. AC
1989BuickLeSabre3.8LV6N/AMulti-V; Exc. AC
1989FordTaurus3.0LV6Air Conditioning and Power SteeringMulti-V; Dealer AC
1989MercurySable3.0LV6Air Conditioning and Power SteeringMulti-V; W/Dealer Installed AC
1989OldsmobileDelta 883.8LV6Accessory DriveMulti-V; Exc. AC
1988BuickCentury3.8LV6Accessory DriveMulti-V; Exc. AC
1988BuickLeSabre3.8LV6N/AMulti-V; Exc. AC
1988OldsmobileCutlass Ciera3.8LV6Alternator and Power SteeringMulti-V
1987BuickCentury3.8LV6N/AMulti-V; Exc. AC
1987BuickLeSabre3.8LV6N/AMulti-V; Exc. AC
1987Oldsmobile983.8LV6Accessory DriveMulti-V; Exc. AC
1987OldsmobileCutlass Ciera3.8LV6Alternator and Power SteeringMulti-V
1987OldsmobileCutlass Cruiser3.8LV6N/AMulti-V; Exc. AC
1986BuickCentury3.8LV6N/AMulti-V; Exc. AC
1986BuickLeSabre3.8LV6N/AMulti-V; Exc. AC
1986Oldsmobile983.8LV6Accessory DriveMulti-V; Exc. AC
1986OldsmobileCutlass Ciera3.8LV6Alternator and Power SteeringMulti-V
1986OldsmobileDelta 883.8LV6Accessory DriveMulti-V; w/o AC
1982BuickCentury4.3LV6DIESELN/AMulti-V; Exc. AC
1982ChevroletCelebrity4.3LV6DIESELAccessory DriveMulti-V; Exc. AC

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.