Parts for your 2022 Suzuki Splash-Transmission filter

Does the 2022 Suzuki Splash have a transmission filter?

Short answer: there’s no standalone, service-replaceable transmission filter on a 2022 Suzuki Splash. In fact, all Splash variants used either a manual gearbox (which doesn’t use a filter) or an Aisin 4‑speed automatic with an internal mesh strainer inside the transmission. That strainer isn’t a scheduled-service item and is only accessed during a major strip-down. This setup is documented across Suzuki factory literature for the Splash/Opel Agila B platform and Aisin service information for the small 4‑speed autos used by Suzuki and Opel/Vauxhall.

Technical references that support this: Suzuki Factory Service Manual for Splash/Agila B (Automatic Transmission section: describes an internal oil strainer with no routine replacement), Suzuki Owner’s/Service schedules (normal-use ATF is not listed as a periodic change item in many markets), and Aisin AW small 4‑speed technical data noting an internal, non-serviceable filter and JWS 3309/Suzuki ATF 3317 fluid specification.

Why there isn’t a separate, replaceable filter: the Aisin unit is designed as a sealed system with magnetic pan pickups and an internal strainer to catch debris. The aim is to maintain stable line pressure and reduce leak points, packaging bulk, and servicing complexity. The “filter” component is effectively the strainer and magnets—neither are intended for routine replacement in normal servicing.

If the Splash in question is a manual, that’s even simpler: manual transmissions use splash/bath lubrication and have no filter by design.

What the owner can do instead is sensible fluid care and inspection:

• Check ATF condition periodically (colour and smell) and level per the procedure in the factory manual.
• If the vehicle sees heavy use—stop/start city work, hot climate, towing—consider an ATF refresh around 60,000–90,000 km using the correct spec (JWS 3309 / Suzuki ATF 3317), noting some markets list “inspect only” under normal use.
• If the pan is ever removed for repairs, replace the pan gasket, clean the magnets, and inspect the strainer, replacement is typically only during overhaul.
• Avoid adding aftermarket in-line filters unless engineered for this transmission, restrictions can upset line pressure and shift quality.

Credible technical sources: Suzuki Factory Service Manual for Splash/Opel Agila B (Automatic Transmission section), Suzuki Owner’s/Service Schedule literature for Splash (ATF guidance under normal vs. severe use), and Aisin AW small 4‑speed automatic transmission technical data (internal strainer design, JWS 3309 fluid).

Popular questions about 2022 Suzuki Splash transmission filters

Does a 2022 Suzuki Splash have a replaceable transmission filter?
It doesn’t have a separate, serviceable transmission filter. The automatic uses an internal strainer inside the transmission, and the manual gearbox has no filter at all. Routine services focus on correct ATF type and condition rather than filter replacement.

When should the ATF be changed on a Splash?
Under normal use many Suzuki schedules list no fixed ATF replacement interval—just inspections. If the car lives a harder life (lots of short trips, heat, hills, or towing), an ATF change around 60,000–90,000 kilometres with JWS 3309/Suzuki ATF 3317 is a sensible preventative step. Always follow the factory fill/check procedure for level.

Can an external transmission filter be added?
It’s not recommended. The Aisin 4‑speed relies on controlled line pressure and flow, an add-on filter may restrict flow and affect shift quality or longevity. If extra protection is desired for harsh conditions, a properly engineered auxiliary cooler is the safer upgrade.