Parts for your 2015 Suzuki Splash-Oil cap

2015 Suzuki Splash oil cap — what it does and how to look after it

The 2015 Suzuki Splash is fitted with an engine oil filler cap. This is confirmed in Suzuki’s own technical literature, including the Splash Owner’s Manual for K10B/K12B engines, the Suzuki K10B/K12B workshop/service manuals (Lubrication section), and the Suzuki electronic parts catalogue for Splash/Agila-B platforms. The cap sits on the top of the rocker cover, marked with the oil can symbol, and is used at every oil top-up or service.

On the Splash, the oil cap seals the filler neck to keep dust and moisture out and to maintain correct crankcase pressure for the positive crankcase ventilation system. A healthy seal helps the engine breathe properly and prevents oil mist from escaping under the bonnet. It also provides the safe access point for adding fresh oil after a filter change or when the low level light has drivers reaching for a 1-litre top-up.

As part of regular servicing, the oil cap deserves a quick once-over. Wipe the area clean before removal, check that the cap’s O-ring or gasket isn’t flattened, cracked, or hard, and make sure the cap locks down smoothly. If the seal is tired or the cap is loose, replace it—caps are inexpensive and designed to be hand-tight only. A light smear of fresh engine oil on a new O-ring helps it seat nicely.

Running without a cap, or with one that doesn’t seal, can cause a mess and may lead to rough idle, oil smells, and accelerated oil loss. After any service, the cap should be confirmed present and snug before closing the bonnet. No spanners needed—just a clean rag and a careful hand.

Typical signs the Splash oil cap needs attention:

• Oil mist or wetness around the filler neck or rocker cover
• Whistling, odours, or light smoke under the bonnet after a drive
• Cap difficult to remove or refit, or an O-ring that’s brittle

For peace of mind, owners can follow the intervals recommended in the Owner’s Manual and inspect the cap at every oil change (often 10,000–15,000 km or 12 months, depending on conditions). Using a quality cap matched to the K10B/K12B engine ensures the correct fit and sealing. If the original is misplaced, avoid driving—fit a proper replacement before heading off, to protect the engine and keep the bay tidy.

Where is the oil cap on a 2015 Suzuki Splash?

It’s on top of the engine’s rocker cover, labelled with the oil can symbol. Pop the bonnet, and look centrally or slightly to one side depending on K10B or K12B layout. It twists off by hand.

Is it safe to drive without the oil cap?

No. Driving without the cap can spray oil around the engine bay, drop the oil level quickly, and upset crankcase ventilation. Fit the correct cap before driving to avoid damage and mess.

How often should the oil cap or O-ring be replaced?

Inspect at every service. Replace the cap or O-ring if it’s cracked, flattened, loose, or sticking. Many owners replace the seal every few years as cheap preventative maintenance.