Parts for your 2014 Toyota Crown-Sump plug washers

2014 Toyota Crown sump plug washers: what they do and when to replace them

Based on Toyota’s technical literature, a sump plug washer is definitely relevant to the 2014 Toyota Crown. Toyota’s Electronic Parts Catalog for the GRS210/AWS210/ARS210 series (2012–2018) lists a “Gasket, drain plug” for the engine oil pan, commonly part number 90430-12031 (12 mm aluminium crush type). The Toyota Repair Manual (TIS) engine oil change procedure for these Crown engines specifies fitting a new drain plug gasket and tightening the plug to the specified torque. So yes — the 2014 Crown uses a sump plug washer.

On this model, the sump plug washer is a small, single-use crush gasket that sits between the drain bolt and the oil pan. When the bolt is torqued, the soft alloy deforms to create a reliable seal. That prevents weeping, drips on the driveway, and air ingress that can complicate oil circulation. It’s simple, cheap, and important.

During servicing, a new washer should go on every time the engine oil is changed. Toyota’s procedure literally calls for “install a new gasket,” because once crushed, the washer won’t rebound and seal the same way again. The drain plug is then tightened to the spec for the engine variant (typically around 35–40 N·m, check the Crown’s TIS page for the exact figure). Doing the bolt up by feel or overtightening can distort the pan face or strip threads — using a torque wrench keeps it tidy.

Good workshops keep a handful of genuine-spec washers on hand. Genuine Toyota 90430-12031 or a high‑quality equivalent that matches the 12 mm plug seat profile is the go. Mixing copper and aluminium types or odd sizes can lead to leaks. If the old washer sticks to the pan, carefully remove it without scratching the sealing face.

• Replace at every oil change (each service interval).
• Use the correct 12 mm Toyota-spec crush washer.
• Clean the pan seat and plug, then torque to spec.
• After the first drive, check for any seepage.

Technical sources referenced: Toyota Electronic Parts Catalog (GRS210/AWS210/ARS210) listing “Gasket, drain plug” 90430‑12031, Toyota TIS Repair Manual engine oil replacement instructions for the 2014 Crown family, which require a new gasket and specified tightening torque.

Popular questions

What size sump plug washer does a 2014 Toyota Crown use?

For the 2014 Crown petrol engines in the GRS210/AWS210/ARS210 range, Toyota specifies a 12 mm crush washer, commonly sold as 90430‑12031. It suits the M12 drain plug used across these engines. Always match the washer to the plug and pan seat profile.

How often should the sump plug washer be replaced on a 2014 Toyota Crown?

Every oil change. Toyota’s service procedure calls for a new gasket each time the drain plug is removed. Reusing an old washer risks minor weeping that can become a proper leak down the track.

Can the sump plug be reused without a new washer on a 2014 Toyota Crown?

It’s not recommended. The washer is a single‑use crush gasket, once deformed, it won’t seal reliably. Fit a fresh, correct-spec washer and torque the plug to the manual’s figure for a leak‑free result.