Parts for your 2008 Suzuki Splash-Fuel filter

2008 Suzuki Splash fuel-filter — what’s actually fitted

For the 2008 Suzuki Splash, whether a “fuel filter” is relevant depends on the engine. Referencing Suzuki’s technical literature: the Splash with K10B/K12B petrol engines uses an in-tank fuel pump module that has a fine filter/strainer built into the assembly and it’s not a scheduled service item. This is shown in Suzuki’s workshop manual fuel system section and the official parts catalogue diagrams, which list a complete fuel pump module (with strainer) but no separate inline filter for petrol variants. By contrast, the 1.3 DDiS diesel version is built with a conventional, replaceable engine-bay fuel filter (often with a water sensor) and appears in the maintenance schedule for periodic replacement. Owner’s handbook maintenance charts reflect this split: no petrol fuel-filter change listed, diesel filter replacement is specified.

So, for most 2008 Splash models seen in AU/NZ (typically petrol imports), a separate, serviceable fuel filter isn’t used. Suzuki designs the petrol Splash with a “lifetime” in-tank filter to minimise leak points and deliver stable fuel pressure to the injectors. Locating fine filtration at the pump inlet keeps debris out of the high-pressure side, reduces connections under the car, and cuts down on long-term maintenance. When issues do arise—usually at very high kilometres or after contaminated fuel—the remedy is inspection/cleaning of the tank and, if pressure/flow is out of spec, replacement of the fuel pump module rather than a quick filter swap.

For owners wanting to keep a petrol Splash happy, a few sensible habits go a long way:

• Buy decent fuel and avoid running the tank near empty, especially after refuelling at remote sites.
• If the engine shows lean hesitation, extended cranking, or whine from the tank, have rail pressure and pump current draw tested before assuming injectors are at fault.
• Any sign of rust or sediment in the tank after a pump-out is a cue to clean the tank and replace the pump module’s internal filter by fitting a new module.

For the diesel DDiS Splash, there is a proper serviceable filter. It sits in the engine bay and should be replaced at the interval specified in the handbook or workshop schedule (commonly every 30,000–60,000 km, or sooner with poor fuel quality). Bleeding procedures after replacement are important to avoid hard starting.

Technical sources referenced: Suzuki Splash owner’s handbook maintenance schedule (petrol vs diesel items), Suzuki workshop/service manual fuel system sections for K10B/K12B petrol and D13A/1.3 DDiS diesel, and Suzuki Electronic Parts Catalogue diagrams for the Splash showing the integrated petrol pump module and the separate diesel fuel filter assembly.

Popular questions

Does a 2008 Suzuki Splash have a replaceable fuel filter?
Petrol versions don’t have a separate, serviceable inline filter, filtration is built into the in-tank fuel pump module and isn’t on the routine service list. The diesel DDiS version does have a standalone filter in the engine bay that’s designed to be replaced on schedule.

How often should the fuel filter be changed on a 2008 Splash petrol?
There’s no scheduled replacement for a separate fuel filter on petrol models. If fuel pressure or flow is out of spec due to contamination or age, the fix is typically a new in-tank pump module. Mechanics will confirm with pressure and volume tests before replacement.

Where is the diesel Splash fuel filter located?
On the 1.3 DDiS diesel, the filter assembly sits in the engine bay, usually on the bulkhead/inner guard area, with fuel lines and a water-in-fuel sensor. After changing it, correct priming/bleeding is required to prevent hard starting.