OE Quality
60-Day Returns

Contitech 725K6MK Serpentine Belt
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:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2025 | Cadillac | XT5 | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2025 | Cadillac | XT6 | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2025 | Chevrolet | Blazer | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2024 | Cadillac | XT5 | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2024 | Cadillac | XT6 | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2024 | Chevrolet | Blazer | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2023 | Cadillac | XT5 | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2023 | Cadillac | XT6 | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2023 | Chevrolet | Blazer | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2023 | GMC | Acadia | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2022 | Cadillac | XT5 | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2022 | Cadillac | XT6 | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2022 | Chevrolet | Blazer | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2022 | GMC | Acadia | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2021 | Cadillac | XT5 | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2021 | Cadillac | XT6 | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2021 | Chevrolet | Blazer | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2021 | GMC | Acadia | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2020 | Buick | Regal Sportback | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2020 | Cadillac | XT5 | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2020 | Cadillac | XT6 | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2020 | Chevrolet | Blazer | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2020 | GMC | Acadia | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2019 | Buick | LaCrosse | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2019 | Buick | Regal Sportback | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2019 | Cadillac | XT5 | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2019 | Chevrolet | Blazer | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2019 | GMC | Acadia | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2018 | Buick | LaCrosse | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2018 | Buick | Regal Sportback | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2018 | Cadillac | XT5 | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2018 | GMC | Acadia | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2017 | Buick | LaCrosse | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2017 | Cadillac | XT5 | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2017 | Chevrolet | Caprice | 6.0L | V8 | Alternator, Water Pump and Power Steering | Multi-V | ||
| 2017 | Chevrolet | SS | 6.2L | V8 | Alternator | Multi-V | ||
| 2017 | GMC | Acadia | 3.6L | V6 | Accessory Drive | Multi-V | ||
| 2016 | Chevrolet | Caprice | 6.0L | V8 | Alternator, Water Pump and Power Steering | Multi-V | ||
| 2016 | Chevrolet | SS | 6.2L | V8 | Alternator | Multi-V | ||
| 2015 | Chevrolet | Caprice | 6.0L | V8 | Alternator, Water Pump and Power Steering | Multi-V | ||
| 2015 | Chevrolet | SS | 6.2L | V8 | Alternator | Multi-V | ||
| 2014 | Chevrolet | Caprice | 6.0L | V8 | Alternator, Water Pump and Power Steering | Multi-V | ||
| 2014 | Chevrolet | SS | 6.2L | V8 | Alternator | Multi-V | ||
| 2014 | Mazda | 2 | 1.5L | L4 | Accessory Drive | Multi-V | ||
| 2013 | Mazda | 2 | 1.5L | L4 | Accessory Drive | Multi-V | ||
| 2012 | Mazda | 2 | 1.5L | L4 | Accessory Drive | Multi-V | ||
| 2011 | Mazda | 2 | 1.5L | L4 | Accessory Drive | Multi-V | ||
| 2008 | Pontiac | Vibe | 1.8L | L4 | Accessory Drive | Multi-V | ||
| 2007 | Pontiac | Vibe | 1.8L | L4 | Accessory Drive | Multi-V | ||
| 2006 | Pontiac | Vibe | Base | 1.8L | L4 | Accessory Drive | Multi-V | |
| 2005 | Buick | Park Avenue | 3.8L | V6 | Supercharger | Multi-V | ||
| 2005 | Pontiac | Vibe | Base | 1.8L | L4 | Accessory Drive | Multi-V | |
| 2004 | Buick | Park Avenue | 3.8L | V6 | Supercharger | Multi-V | ||
| 2004 | Pontiac | Vibe | Base | 1.8L | L4 | Accessory Drive | Multi-V | |
| 2003 | Buick | Park Avenue | 3.8L | V6 | Supercharger | Multi-V | ||
| 2003 | Mitsubishi | Outlander | 2.4L | L4 | Accessory Drive | Multi-V | ||
| 2003 | Pontiac | Bonneville | 3.8L | V6 | Supercharger | Replaces 4060722; Multi-V | ||
| 2003 | Pontiac | Vibe | Base | 1.8L | L4 | Accessory Drive | Multi-V | |
| 2002 | Buick | Park Avenue | 3.8L | V6 | Supercharger | Multi-V | ||
| 2002 | Pontiac | Bonneville | 3.8L | V6 | Supercharger | Replaces 4060722; Multi-V | ||
| 2001 | Buick | Park Avenue | 3.8L | V6 | Supercharger | Multi-V | ||
| 2001 | Pontiac | Bonneville | 3.8L | V6 | Supercharger | Replaces 4060722; Multi-V | ||
| 2000 | Buick | Park Avenue | 3.8L | V6 | Supercharger | Multi-V | ||
| 2000 | Pontiac | Bonneville | 3.8L | V6 | Supercharger | Replaces 4060722; Multi-V | ||
| 1999 | Buick | Park Avenue | 3.8L | V6 | Supercharger | Multi-V | ||
| 1993 | Oldsmobile | 88 | 3.8L | V6 | N/A | Multi-V; Exc. AC | ||
| 1992 | Ford | Taurus | 3.0L | V6 | Air Conditioning and Power Steering | Multi-V; Dealer AC | ||
| 1992 | Mercury | Sable | 3.0L | V6 | Power Steering | Multi-V; Dealer AC | ||
| 1992 | Oldsmobile | 88 | 3.8L | V6 | Accessory Drive | Multi-V; Exc. AC | ||
| 1991 | Buick | LeSabre | 3.8L | V6 | Accessory Drive | Multi-V; Exc. AC | ||
| 1991 | Ford | Taurus | 3.0L | V6 | Air Conditioning and Power Steering | Multi-V; w/ Dealer AC | ||
| 1991 | Mercury | Sable | 3.0L | V6 | Power Steering | Multi-V; Dealer AC | ||
| 1991 | Oldsmobile | Delta 88 | 3.8L | V6 | Accessory Drive | Multi-V; Exc. AC | ||
| 1990 | Buick | LeSabre | 3.8L | V6 | Accessory Drive | Multi-V; Exc. AC | ||
| 1990 | Ford | Taurus | 3.0L | V6 | Air Conditioning and Power Steering | Multi-V; W/Dealer Installed AC | ||
| 1990 | Mercury | Sable | 3.0L | V6 | Air Conditioning and Power Steering | Multi-V; W/Dealer Installed AC | ||
| 1990 | Oldsmobile | Delta 88 | 3.8L | V6 | Accessory Drive | Multi-V; Exc. AC | ||
| 1989 | Buick | LeSabre | 3.8L | V6 | N/A | Multi-V; Exc. AC | ||
| 1989 | Ford | Taurus | 3.0L | V6 | Air Conditioning and Power Steering | Multi-V; Dealer AC | ||
| 1989 | Mercury | Sable | 3.0L | V6 | Air Conditioning and Power Steering | Multi-V; W/Dealer Installed AC | ||
| 1989 | Oldsmobile | Delta 88 | 3.8L | V6 | Accessory Drive | Multi-V; Exc. AC | ||
| 1988 | Buick | Century | 3.8L | V6 | Accessory Drive | Multi-V; Exc. AC | ||
| 1988 | Buick | LeSabre | 3.8L | V6 | N/A | Multi-V; Exc. AC | ||
| 1988 | Oldsmobile | Cutlass Ciera | 3.8L | V6 | Alternator and Power Steering | Multi-V | ||
| 1987 | Buick | Century | 3.8L | V6 | N/A | Multi-V; Exc. AC | ||
| 1987 | Buick | LeSabre | 3.8L | V6 | N/A | Multi-V; Exc. AC | ||
| 1987 | Oldsmobile | 98 | 3.8L | V6 | Accessory Drive | Multi-V; Exc. AC | ||
| 1987 | Oldsmobile | Cutlass Ciera | 3.8L | V6 | Alternator and Power Steering | Multi-V | ||
| 1987 | Oldsmobile | Cutlass Cruiser | 3.8L | V6 | N/A | Multi-V; Exc. AC | ||
| 1986 | Buick | Century | 3.8L | V6 | N/A | Multi-V; Exc. AC | ||
| 1986 | Buick | LeSabre | 3.8L | V6 | N/A | Multi-V; Exc. AC | ||
| 1986 | Oldsmobile | 98 | 3.8L | V6 | Accessory Drive | Multi-V; Exc. AC | ||
| 1986 | Oldsmobile | Cutlass Ciera | 3.8L | V6 | Alternator and Power Steering | Multi-V | ||
| 1986 | Oldsmobile | Delta 88 | 3.8L | V6 | Accessory Drive | Multi-V; w/o AC | ||
| 1982 | Buick | Century | 4.3L | V6 | DIESEL | N/A | Multi-V; Exc. AC | |
| 1982 | Chevrolet | Celebrity | 4.3L | V6 | DIESEL | Accessory Drive | Multi-V; Exc. AC |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.