Timing Belt Kits vs. Serpentine Belts: What’s the Difference?
When it comes to engine performance and longevity, few components play as critical a role as timing belts and serpentine belts. Though they may look similar to the untrained eye, these two belts serve very different functions under your hood—and understanding the difference is key to proper maintenance and part replacement.
What Is a Timing Belt?
A timing belt is a reinforced rubber belt with teeth that synchronizes the crankshaft and camshaft, ensuring that your engine’s valves open and close at the right times during each cylinder’s intake and exhaust strokes. It’s a vital part of internal engine timing—if it slips or breaks, catastrophic engine damage can occur.
Most timing belts are replaced between 60,000 to 100,000 km, depending on the manufacturer’s recommendations. Rather than replacing it alone, many professionals recommend installing a timing belt kit, which includes:
- The timing belt
- Tensioner(s)
- Idler pulleys
- In some cases, a water pump (since it’s often driven by the timing belt)
What Is a Serpentine Belt?
Unlike the timing belt, the serpentine belt is a single, long belt that winds around multiple pulleys on the outside of your engine. It powers essential accessories such as:
- Alternator
- Power steering pump
- Air conditioning compressor
- Water pump (in some vehicles)
Serpentine belts typically last 80,000 to 160,000 km but should be inspected regularly for cracks, glazing, or fraying. While failure won’t destroy your engine, it will cause a loss of accessory functions, possibly leaving you stranded.
Timing Belt Kit vs. Serpentine Belt: Key Differences
|
Feature
|
Timing Belt Kit
|
Serpentine Belt
|
|---|---|---|
|
Function
|
Synchronizes engine internals
|
Drives external engine accessories
|
|
Location
|
Inside the engine
|
Outside the engine
|
|
Replacement Complexity
|
High (requires disassembly)
|
Low to moderate
|
|
Failure Consequences
|
Severe engine damage
|
Loss of power to accessories
|
|
Typical Parts Included
|
Belt, tensioner, idlers, water pump
|
Belt (tensioner sold separately if needed)
|
Trusted Brands You Can Rely On
Whether you’re looking for a durable timing belt kit or a reliable serpentine belt, choosing the right brand is crucial for performance and longevity. Some of the top names in belt technology include:
- Dayco – Known for OE-quality components and complete timing kits.
- Gates – Industry leader offering advanced belt materials and engineered kits.
- Continental – German engineering excellence in timing and accessory drive systems.
- Bando – Renowned for its high-strength rubber compounds and OE partnerships.
These brands offer excellent fitment and durability across a wide range of vehicle makes and models.
Where to Buy Timing Belts and Serpentine Belts in BC
At West Can Auto Parts, we stock a full range of timing belt kits and serpentine belts from trusted brands like Dayco, Gates, Continental, and Bando. Whether you’re a DIYer or a professional mechanic, we offer the parts you need at competitive prices.
With 9 convenient store locations across British Columbia, plus online ordering, in-store pickup, and fast local delivery, getting the right belt for your vehicle has never been easier.
Disclaimer:
This blog is for educational and informational purposes only. For accurate diagnosis and proper vehicle repairs, always consult a certified automotive technician.
