Parts for your 2019 Suzuki Splash-Drive belt pulley

2019 Suzuki Splash Drive-Belt Pulley — What It Does, and When to Sort It

Is a drive-belt pulley relevant on a 2019 Suzuki Splash? Yes. Suzuki’s workshop literature for the Splash platform (covering the K10B 1.0L, K12B 1.2L petrol and D13A 1.3 diesel used through the model’s production) specifies an auxiliary V‑ribbed drive belt running over multiple pulleys — crankshaft/harmonic damper, alternator, A/C compressor and tensioner/idler. Genuine and aftermarket parts catalogues list these pulleys for the Splash/Ritz as well. While the Splash wasn’t newly manufactured in 2019 in most markets, vehicles first registered that year still use the same belt-and-pulley setup.

On the Splash, the drive-belt pulley system’s job is to transfer crankshaft rotation to the alternator, air-con and sometimes the water pump via a serpentine belt. The crankshaft pulley (often a harmonic balancer) helps damp vibrations, while the idler and automatic tensioner keep belt wrap and tension right so there’s no slip or squeal. It’s easy to mix this up with the timing system — the K12B uses a timing chain for the cams — but the auxiliary belt and pulleys are separate and external under the front cover.

For routine servicing, it’s worth a look under the bonnet every 15,000 km or 12 months. A healthy belt shows no fraying, glazing or deep cracking, and runs straight across each pulley. If there’s chirping on cold starts, visible wobble at the crank pulley, or shiny dust around the tensioner, that’s a cue to investigate. Many owners choose to replace the belt around 60,000–100,000 km, and to inspect or renew the tensioner and idler bearings at the same time. If the alternator uses an overrunning pulley, check that clutch for free movement and no roughness.

When replacing parts on a Splash, matching the belt length and rib count to the engine code is key, and sticking with OEM-quality pulleys avoids early bearing noise. A torque‑correct install on the crank pulley/harmonic damper matters for vibration control, and any oil leaks should be sorted before fitting a new belt so it doesn’t soak and slip. After fitting, run the engine and watch for true belt tracking, a crooked line points to a misaligned or failing pulley.

• Replace the belt if cracks span three or more adjacent ribs, chunks are missing, or there’s persistent squeal after tension checks.
• Renew tensioner/idler if there’s play, grinding, or the tensioner arm hunts at idle.
• Listen for rumble with the belt off, any pulley that’s rough by hand should go.

Popular questions about 2019 Suzuki Splash drive-belt pulleys

Does the Splash have a timing belt as well as the auxiliary belt?
The petrol Splash (K10B/K12B) uses a timing chain for the camshaft drive, not a timing belt. Separate to that, it has an external auxiliary (serpentine) belt that runs over the crankshaft, alternator and A/C pulleys. So while there’s no timing belt to schedule, the auxiliary belt and its pulleys still need regular checks and occasional replacement.

How often should the drive belt and pulleys be replaced?
Inspection every service is smart. Many workshops see belts last 60,000–100,000 km in local Aussie and Kiwi conditions, but heat, stop‑start use and fluid contamination can shorten that. Tensioner and idler pulleys often last a belt or two, yet if there’s bearing noise, wobble or poor tension control, replace them with the belt.

What are the signs a pulley or tensioner is failing on a Splash?
Common flags include cold‑start chirps, a squeal with A/C on, charging warnings from alternator slip, visible belt flutter, or a rattly/rumbling sound from the front of the engine. With the belt removed, any pulley that feels gritty, noisy or notchy by hand is due for replacement.